Electrical & Electronics

An instrument that captures, digitizes, and displays voltage waveforms over time, used to analyze signal behavior in electrical and electronics laboratories.

An instrument that generates standard and arbitrary electrical waveforms of adjustable frequency and amplitude for testing circuits and systems.

A regulated power supply that provides two tracking fixed DC voltage outputs for powering electronic circuits during laboratory experiments.

An analog instrument that displays voltage waveforms on a cathode ray tube screen, used to observe and measure electrical signals in the laboratory.

A signal generator capable of producing standard waveforms up to 10 MHz for testing and calibrating electronic circuits.

A combined instrument providing a 5 MHz waveform generator, frequency counter, and power supply for electronics laboratory experiments.

A bench power supply that delivers a fixed or adjustable regulated DC voltage for powering electronic and electrical laboratory circuits.

A dual-channel oscilloscope used to simultaneously display and compare two time-varying voltage waveforms in electrical and electronics experiments.

A circuits trainer used to experimentally verify network theorems such as Thevenin's, Norton's, superposition, and maximum power transfer on resistive circuits.

An instrument used to determine the phase sequence (R-Y-B) of a three-phase AC supply before connecting motors or equipment.

A set of wire-wound rheostats spanning 0-50 Ω to 0-500 Ω at current ratings from 1 A to 5 A, used as variable resistive loads and current-limiting elements in electrical circuits experiments.

Wall- or bench-mounted demonstration panel carrying live wiring layouts, protective devices and metering for teaching the fundamentals of electrical engineering. Used in first-year diploma and degree laboratories to introduce circuit construction, measurement and safe working practice.

Bench supply delivering continuously variable AC and DC output with metered voltage and current and short-circuit protection. Serves as the general-purpose source for circuit, machines and electronics experiments.

Bench or handheld digital multimeter for voltage, current, resistance, continuity, diode and frequency measurement, with auto-ranging and true-RMS reading. The core measuring instrument of every electrical laboratory.

Clamp-on meter for measuring AC and DC line current without breaking the circuit, with voltage, resistance and power-factor functions. Used for load surveys, machine testing and maintenance practicals.

Digital wattmeter displaying active, reactive and apparent power together with power factor for single- and three-phase circuits. Replaces the analogue dynamometer wattmeter in machine and power-system experiments.

Static energy meter with digital display and pulse output for measuring and logging energy consumption in single- and three-phase circuits. Used in metering, tariff and energy-audit practicals.

Four-channel digital oscilloscope of 100 MHz bandwidth or higher, with deep memory, FFT and automatic measurements. Suited to power-electronics and three-phase work where gate, line and load waveforms must be viewed together.

Set of switched decade boxes providing precise, repeatable resistance, inductance and capacitance values. Used to build and tune networks, bridges and filter circuits without soldering.

Patch-cord trainer for building series, parallel and series-parallel circuits and verifying Ohm's and Kirchhoff's laws with on-board meters. Introduces circuit construction and measurement discipline to first-year students.

Instrument that displays supply frequency and the phase angle between voltage and current in single- or three-phase circuits. Supports power-factor, load-characteristics and synchronisation experiments.

Set-up comprising a DC shunt generator with prime mover for plotting the open circuit (magnetisation) characteristic and determining critical field resistance. A standard electrical machines experiment on generator voltage build-up and magnetic saturation.

A test kit operating on a 230V supply used to measure the dielectric breakdown strength of insulating oil used in transformers and switchgear.

A starting device used to limit inrush armature current and provide overload and no-volt protection while starting a DC motor.

A motor-generator set pairing an induction motor with a DC shunt generator, used to study load characteristics and power conversion between an AC drive and DC generation.

A 1 HP single-phase induction motor used in electrical machines laboratories to perform load tests, speed-torque studies, and starting-method demonstrations.

A variable single-phase autotransformer (variac) used to supply an adjustable AC voltage for laboratory experiments and equipment testing.

A 1 kVA single-phase transformer used to perform open-circuit and short-circuit tests, load testing, and efficiency and regulation calculations.

A single-phase universal motor that runs on both AC and DC supply, used to study its speed-torque behavior and series-motor characteristics.

A variable three-phase autotransformer used to supply an adjustable three-phase AC voltage for machine and power-system laboratory experiments.

A 5 kVA three-phase transformer used for load testing, vector-group verification, and efficiency and regulation studies in an electrical machines laboratory.

A 230 V, 10 A three-point starter used to limit starting current and safely start a DC shunt or compound motor.

A dedicated workbench fitted with meters, switches, and terminals for connecting and testing single- and three-phase transformers in laboratory experiments.

A digital stroboscope that produces calibrated flashes of light synchronized to a rotating shaft, used to measure rotational speed without physical contact.

A bank of switchable inductive elements used to apply a controllable inductive load to a power supply, generator, or motor for laboratory testing.

A bank of three-phase variable resistors used to apply an adjustable resistive load to generators, motors, and transformers during laboratory testing.

A motor-generator set pairing a three-phase synchronous motor with a DC shunt generator, used to study synchronous motor starting, loading, and power conversion.

Coupled DC shunt motor and DC generator on a common bed-plate with starter, field regulators and instrumentation. Used for load tests, speed control, efficiency determination and Swinburne's test.

Laboratory DC series motor with terminal box and mechanical loading arrangement for plotting speed-torque and speed-current characteristics. Demonstrates the high starting torque and no-load runaway behaviour of series excitation.

DC compound-wound motor allowing cumulative and differential connection so students can compare compound characteristics against shunt and series machines. Supplied with loading arrangement and instrumentation.

Laboratory squirrel-cage induction motor with accessible terminals for star-delta connection, no-load and blocked-rotor tests and load testing. The standard machine for induction-motor performance experiments.

Wound-rotor induction motor with brush gear and external rotor resistance for demonstrating rotor-resistance starting and speed control. Used for slip, torque and speed-control practicals.

Three-phase alternator with separate excitation for open-circuit and short-circuit tests, regulation by the EMF and MMF methods, and parallel operation. Core machine of the synchronous-machines laboratory.

Synchronous motor with DC excitation and loading arrangement for plotting V-curves and inverted V-curves and demonstrating power-factor correction by over-excitation. Supplied with starting arrangement and instrumentation.

Mechanical loading arrangement — rope brake, eddy-current or electromagnetic dynamometer — with spring balances or torque readout for loading motors under test. Enables torque, output-power and efficiency measurement.

Contact and non-contact digital tachometer for measuring the speed of rotating machines during load and speed-control tests. Reads in revolutions per minute with hold and peak-memory functions.

Modular bench carrying a machine bed-plate, coupling guard, starters, variable supplies, loading and metering so DC and AC machines can be tested from one station. Consolidates the machines laboratory into a repeatable set-up.

Bench set-up for testing instrument transformers, allowing students to determine transformation ratio, polarity, and ratio/phase-angle errors of current and potential transformers. Used in power systems and measurement laboratories to teach instrument-transformer characteristics and burden effects.

Bench instrument for measuring inductance, capacitance, and resistance of components, typically at selectable test frequencies. Essential for component characterisation and verification in electronics and circuits laboratories.

Instrument for measuring inductance, capacitance, resistance, and the quality factor (Q) of components and tuned circuits. Used to study resonance and component losses at high frequency in measurement and electronics laboratories.

A bridge circuit apparatus used to measure unknown electrical resistance with precision by balancing the arms of a bridge network.

An AC bridge circuit apparatus used to measure unknown capacitance and determine signal frequency in electrical measurement laboratories.

A set of reference-grade calibration standards used to verify and adjust the accuracy of electrical and electronic measuring instruments.

An analog panel instrument used to measure direct current in electrical circuits during laboratory experiments.

An analog panel instrument used to measure alternating current in electrical circuits during laboratory experiments.

A wattmeter designed for accurate power measurement in circuits operating at low power factor, commonly used to test inductive loads.

A wattmeter designed for power measurement in circuits operating near unity power factor, used in electrical machine and load testing.

An instrument transformer that steps down high system voltage to a standard low secondary voltage for safe connection to meters, relays, and protection circuits.

An analog instrument that indicates the power factor of a single-phase AC circuit, used to demonstrate the effect of load type on lagging and leading power factor.

A bridge circuit used to accurately measure very low resistance values, such as those of shunts, cables, and armature windings, by eliminating contact and lead resistance errors.

A set of moving-iron type analog ammeters spanning the 0-1 A, 2.5-5 A, 5-10 A, and 10-20 A ranges, used to measure AC and DC current in electrical machines and circuits experiments.

A set of moving-iron type analog voltmeters spanning the 75-150-300 V, 125-250-500 V, and 300-600 V ranges, used to measure AC and DC voltage in electrical machines and circuits experiments.

An analog instrument that indicates the power factor of a three-phase AC circuit, used in power-systems and machines laboratories to study load power factor.

A set of low and unity power-factor wattmeters spanning current ranges of 0.5-1 A to 10-20 A and voltage ranges of 150-600 V, used to measure real power in AC circuits with varying load power factors.

Sectioned permanent-magnet moving-coil instrument with exposed movement, control spring and damping system for studying construction, torque equation, shunts and multipliers. Includes a calibration exercise against a standard meter.

Cut-away moving-iron instrument — attraction and repulsion types — for studying construction, scale characteristics and the AC/DC response of the movement. Used alongside the PMMC trainer to compare instrument families.

Electrodynamometer movement mounted for study of its current, pressure and moving coils and its use as a wattmeter or transfer instrument. Demonstrates why the movement reads true power on both AC and DC.

Test set-up with standard meter, phantom loading and timing arrangement for calibrating single-phase energy meters and determining percentage error and creep. Covers the meter-testing experiment of the measurements syllabus.

Bench arrangement for calibrating dynamometer and digital wattmeters against a standard at varying power factor. Demonstrates pressure-coil connection, compensation and error determination.

Maxwell inductance-capacitance bridge for measuring the inductance and quality factor of medium-Q coils. Supplied with detector, standard arms and null-balance indication for the AC bridge practical.

Schering bridge for measuring capacitance, dissipation factor and the loss angle of insulating materials and cables. Used in high-voltage and dielectric-testing practicals.

Modified Maxwell bridge for accurate measurement of low-Q inductance in terms of a standard capacitor and resistance. Included in the AC-bridge set of the electrical measurements laboratory.

Single instrument combining the standard AC and DC bridge configurations for measuring resistance, inductance, capacitance, dissipation factor and quality factor. Replaces several individual bridges where bench space is limited.

Precision counter measuring frequency, period, ratio and totalised counts over a wide input range with a crystal time-base. Used for oscillator, signal-generator and timing measurements.

Multi-channel analyser measuring voltage, current, active/reactive/apparent power, power factor, energy and efficiency in single- and three-phase circuits. Used for machine efficiency tests and drive input-output measurement.

Primary pressure standard that generates known pressures by loading calibrated weights on a piston of known area. Used for calibrating pressure gauges and transducers and for teaching pressure measurement and calibration practice.

A trainer built around a Bourdon tube pressure gauge, used to demonstrate mechanical pressure sensing and to calibrate the gauge against a known reference pressure.

A trainer that uses a capacitive transducer immersed in a water tank to demonstrate liquid-level measurement based on the change in sensor capacitance with fluid level.

An experimental kit that uses a thermocouple sensor and reference junction to demonstrate temperature measurement via the thermoelectric (Seebeck) effect.

An experimental kit that uses a Linear Variable Differential Transformer to demonstrate the measurement of small linear displacements.

A flow-measurement rig using an orifice plate and differential pressure sensing to demonstrate the measurement of fluid flow rate in a pipeline.

A variable-area flow meter setup in which a float rises in a tapered tube to indicate fluid flow rate, used to teach flow measurement principles.

An experimental setup using a Resistance Temperature Detector to demonstrate temperature measurement based on the change of metal resistance with temperature.

A trainer that uses a bonded strain gauge in a bridge circuit to demonstrate the measurement of mechanical strain and force.

A flow-measurement rig using a Venturi tube and differential pressure sensing to demonstrate the measurement of fluid flow rate based on the Venturi effect.

Power electronics set-up that converts fixed-frequency single-phase AC into lower-frequency AC using thyristor-based conversion. Used to study frequency conversion, firing schemes, and output waveforms in power electronics laboratories.

SCR-based controlled rectifier set-up for charging batteries, with firing-angle control of the charging voltage and current. Demonstrates phase-controlled rectification and a practical thyristor application in power electronics courses.

An experimental kit used to plot and study the input-output characteristics of power semiconductor devices such as FET and IGBT.

A trainer kit demonstrating single-phase half-wave rectification using an SCR thyristor to study controlled rectifier output waveforms.

A trainer kit demonstrating single-phase full-wave full-bridge rectification using SCR thyristors to study fully controlled rectifier circuits.

A trainer kit demonstrating a single-phase full-wave semi-controlled rectifier circuit built with SCR thyristors and diodes.

A trainer kit demonstrating three-phase half-wave rectification using SCR thyristors to study controlled rectifier output in three-phase circuits.

A trainer kit demonstrating a three-phase full-wave fully controlled rectifier circuit built with SCR thyristors.

A trainer kit demonstrating single-phase half-bridge inverter operation to study DC-to-AC power conversion.

A trainer kit demonstrating single-phase full-bridge inverter operation to study switching sequences and output waveforms in DC-to-AC conversion.

A trainer kit demonstrating three-phase full-bridge inverter operation to study three-phase DC-to-AC power conversion.

A trainer kit demonstrating a three-phase, three-level diode-clamped multilevel inverter topology for advanced power electronics study.

A trainer kit demonstrating direct AC-to-AC frequency conversion from single-phase to single-phase supply using a cycloconverter circuit.

A trainer kit demonstrating AC-to-AC conversion from a three-phase supply to a single-phase output using a cycloconverter circuit.

A trainer kit demonstrating three-phase to three-phase AC frequency conversion using a cycloconverter circuit.

A trainer kit demonstrating step-down DC-DC conversion using a buck converter topology to study switch-mode power supply operation.

A trainer kit demonstrating step-up DC-DC conversion using a boost converter topology to study switch-mode power supply operation.

A trainer kit demonstrating buck-boost DC-DC conversion with variable resistive and resistive-inductive loads to study step-up and step-down converter behavior.

A laboratory setup used to study the behavior of power electronic converters and semiconductor devices operating under high-voltage conditions.

An experimental kit used to plot and study the static voltage-current characteristics of a silicon-controlled rectifier (SCR).

An experimental kit used to plot and study the transfer characteristics of an insulated-gate bipolar transistor (IGBT).

An experiment board that generates and displays firing pulses for silicon-controlled rectifiers, used to study R, RC, and UJT triggering circuits and firing-angle control.

A multi-device trainer used to plot the V-I characteristic curves of SCR, DIAC, TRIAC, UJT, MOSFET, and IGBT power semiconductor devices.

Trainer for single- and three-phase AC voltage controllers using back-to-back SCRs or a TRIAC, with phase-angle and integral-cycle firing. Demonstrates output waveform, RMS control and harmonic content on R and RL loads.

Chopper trainer covering first-, second- and four-quadrant operation with variable duty ratio and switching frequency. Demonstrates step-down and step-up conversion and regenerative operation on motor and passive loads.

Inverter trainer with single-pulse, multiple-pulse and sinusoidal PWM firing so students can compare modulation strategies and their effect on output harmonics. Includes modulation-index control and waveform test points.

Set-up for controlling the speed of a 1 HP, 415 V three-phase slip-ring induction motor by varying effective rotor resistance through a chopper circuit. Demonstrates static rotor resistance control and its effect on torque-speed characteristics in electrical drives courses.

Training platform built around a programmable logic controller with input/output simulation panels for developing and testing ladder-logic programs. Teaches industrial automation fundamentals including interlocking, timers, counters, and sequential control.

Variable frequency drive trainer with an induction motor, loading arrangement and full parameter access for studying V/f and vector control, ramping and braking. Covers the industrial drives portion of the syllabus.

Thyristor- or chopper-fed DC drive trainer with armature and field control, current limit and speed feedback. Demonstrates four-quadrant operation and closed-loop speed regulation of a DC motor.

Industrial servo drive with a permanent-magnet servo motor, encoder feedback and tuning software for position, speed and torque modes. Used for motion-control and positioning-accuracy experiments.

Stepper motor trainer with driver card and controller supporting full-, half- and micro-stepping in open loop. Demonstrates step angle, holding torque, resonance and pulse-rate control.

Brushless DC motor drive trainer with Hall-sensor and sensorless commutation, electronic controller and loading arrangement. Used to study six-step commutation, speed control and drive efficiency.

Trainer combining an inverter-fed induction motor with measurement of input and output power for scalar and vector control studies. Demonstrates torque-speed shaping and drive losses.

Microcontroller- or DSP-based motor control platform with programmable PWM, current sensing and feedback for developing digital control algorithms. Bridges power electronics and embedded control.

A scaled physical model of an electrical power transmission line used to demonstrate line parameters and transmission performance.

A demonstration model used to measure and calculate the string efficiency of suspension insulator strings used on high-voltage transmission lines.

A demonstration setup used to teach the layout and operating differences between radial and ring main electrical power distribution systems.

A demonstration unit used to simulate symmetrical and unsymmetrical fault conditions in power systems for protection and fault-analysis studies.

A scaled physical model of a transmission line with adjustable resistance, inductance, and capacitance per unit length, used to study line parameters and performance.

Integrated panel representing generation, transmission, distribution and load on one board, with metering, breakers and fault switches. Allows a complete power-system experiment sequence on a single training station.

Trainer combining a scaled multi-bus network model with load-flow software so measured bus voltages and line flows can be compared against Gauss-Seidel and Newton-Raphson results. Bridges the analytical and laboratory sides of the power-systems syllabus.

Set-up in which a synchronous machine connected to an infinite bus is subjected to load and fault disturbances so swing behaviour and the stability limit can be observed. Supports steady-state and transient stability experiments.

Panel carrying synchronising switch, check-synch relay, metering and lamp or synchroscope indication for paralleling an alternator with the bus. Used for the synchronisation and load-sharing practicals.

Rotating-pointer synchroscope indicating the frequency difference and phase relationship between an incoming machine and the running bus. Shows the correct instant for closing the synchronising switch.

Three-lamp synchronising arrangement wired for both the dark-lamp and bright-lamp methods, with phase-sequence indication. Provides the classical demonstration of alternator paralleling.

Trainer demonstrating load-frequency control, automatic voltage regulation and economic load dispatch on a scaled two-area system. Covers the operation-and-control portion of the power-systems syllabus.

Substation SCADA kit with RTU, communication link and HMI software for remote monitoring, breaker control and event logging of a scaled power network. Introduces students to modern substation automation practice.

Test bench for verifying the operating characteristics of protective relays, both electromechanical and digital/numerical types. Enables study of pick-up, drop-off, and time-current behaviour, forming a core experiment in power system protection courses.

Set-up for plotting the time-current (tripping) characteristics of fuses and miniature circuit breakers rated from 1 A to 10 A. Demonstrates inverse-time behaviour of protective devices and supports coordination studies in protection laboratories.

A low-voltage protection device that automatically interrupts circuit current under overload or short-circuit conditions, used to teach circuit protection principles.

A test system used to calibrate and verify the operating characteristics of overcurrent protection relays used in power system protection.

A test system used to verify the pickup and operating characteristics of under-voltage and over-voltage protection relays.

A training system used to simulate and study industrial electrical protection schemes such as overcurrent, earth fault, and short-circuit protection.

A test system used to calibrate and verify the operation of earth fault protection relays in power distribution systems.

An educational kit used to demonstrate the construction, operation, and testing of electromagnetic protection relays.

A test kit used to verify the pickup current and time-current characteristics of electromechanical over-current protection relays.

A microprocessor-based protective relay trainer used to set pickup current and time-delay curves and demonstrate numerical over-current protection of feeders and equipment.

A portable test set that injects controlled current and voltage signals into protective relays to verify pickup, dropout, and operating-time settings.

A simulation panel that reproduces internal and external transformer faults to demonstrate the operation of differential protection relays and current transformer connections.

A test kit used to verify the operating characteristics, contact resistance, and trip settings of low-voltage switchgear such as circuit breakers and contactors.

A simulation unit that reproduces overload, single-phasing, and earth-fault conditions on a three-phase induction motor to demonstrate motor protection schemes.

A simulation kit that reproduces line faults on a modeled transmission network to demonstrate distance, differential, and over-current protection schemes.

Trainer with a scaled transmission line and distance relay for setting and testing Zone 1, 2 and 3 reach and observing impedance-plane operation. Demonstrates the principle of impedance-based line protection.

Inverse definite minimum time over-current relay with adjustable plug setting multiplier and time multiplier setting. Used for plotting the inverse time-current curve and for relay-coordination exercises.

Sectioned Buchholz relay mounted with a simulated conservator connection so the gas-accumulation alarm and oil-surge trip actions can be demonstrated. Covers transformer incipient-fault protection.

Cut-away or working circuit breaker showing contact assembly, arc-control device and operating mechanism, with manual and electrical trip. Used to teach arc quenching and breaker duty.

Panel carrying miniature and moulded-case circuit breakers alongside earth-leakage and residual-current devices, with fault-injection switches. Demonstrates the selection and operation of low-voltage protective devices.

Trainer for generating and capturing switching and fault transients on a scaled network with high-speed recording. Covers the transients module of the power-systems syllabus.

Trainer for observing the natural and step response of series and parallel RLC circuits across under-damped, critically damped and over-damped conditions. Links circuit theory to observed waveforms.

Set-up for studying transient recovery voltage, capacitor-bank inrush and transformer energisation surges under controlled switching. Demonstrates the stresses imposed on switchgear.

Impulse generator producing standard lightning and switching impulse waveshapes for insulation and surge-arrester demonstration. Used in high-voltage and protection practicals.

High-speed multi-channel recorder that captures pre- and post-fault waveforms with configurable triggers and downloadable records. Provides the disturbance-record data used in fault-analysis exercises.

Analyser that logs voltage sags and swells, interruptions, flicker, unbalance, transients and harmonics into standards-referenced reports. Used for power-quality surveys and audit coursework.

Instrument that resolves current and voltage waveforms into their harmonic spectrum and reports THD and individual harmonic magnitudes. Used to assess the distortion produced by drives, rectifiers and lighting loads.

Trainer that injects controlled voltage sags, swells and short interruptions so their effect on motors, drives and electronic loads can be studied. Demonstrates ride-through and mitigation techniques.

Trainer with switched capacitor banks and an automatic power-factor controller on inductive load. Demonstrates kVAr calculation, step switching, hunting and the effect of correction on line current.

Shunt active power filter trainer that injects compensating current to cancel harmonics and correct power factor in real time. Compares active and passive compensation on the same distorting load.

Passive harmonic filter trainer with tuned single and multiple branches for suppressing dominant harmonic orders. Demonstrates filter tuning, detuning and resonance risk.

Modular flexible AC transmission system platform on which series and shunt compensation devices can be connected to a scaled transmission line. Demonstrates voltage support, power-flow control and damping.

Static synchronous compensator trainer with a voltage-source converter providing fast reactive-power injection and absorption. Demonstrates bus-voltage regulation under varying load.

Static VAR compensator trainer with thyristor-controlled reactor and thyristor-switched capacitor branches. Shows continuous reactive-power control and its effect on line voltage.

Unified power flow controller platform combining series and shunt converters on a common DC link. Demonstrates simultaneous control of voltage magnitude, phase angle and line impedance.

Thyristor-controlled series capacitor trainer for varying the effective series reactance of a transmission line. Demonstrates power-transfer enhancement and sub-synchronous resonance mitigation.

Paired synchro transmitter and receiver units for demonstrating remote angular position transmission and error-signal generation. A standard control systems laboratory experiment on synchros used as position sensors and error detectors in servo systems.

Set-up using a pair of potentiometers to generate an error voltage proportional to the difference between reference and output shaft positions. Teaches the principle of error detection, a fundamental building block of closed-loop position control systems.

Bench set-up for measuring the torque-speed characteristics of a DC servomotor at different armature voltages. Used in control systems laboratories to establish motor transfer-function parameters and understand servo drive behaviour.

Set-up for determining the torque-speed characteristics of a two-phase AC servomotor at varying control-winding voltages. Illustrates the near-linear characteristics that make AC servomotors suitable for low-power feedback control applications.

Op-amp based analog controller set-up in which proportional, integral, and derivative actions can be configured individually or in combination. Allows students to observe the effect of each control action on the step response of a simulated process.

Microprocessor-based PID controller test set-up with adjustable gain, integral, and derivative settings applied to a simulated or real process. Teaches digital implementation of PID control, tuning methods, and comparison of closed-loop responses.

Set-up for studying lag, lead, and lag-lead compensation networks and their effect on the frequency and transient response of a control system. Enables measurement of magnitude and phase characteristics for compensator design exercises.

Demonstration set-up of an open-loop control configuration in which the output is not fed back to the input. Used to show the limitations of open-loop operation, such as sensitivity to disturbances and parameter variations, as a foundation for feedback control study.

Set-up demonstrating a negative-feedback closed-loop control system, with measurable reference, error, and output signals. Teaches the effect of feedback on accuracy, disturbance rejection, and stability compared with open-loop operation.

Set-up illustrating feed-forward control, in which measured disturbances are compensated before they affect the process output. Allows comparison of feed-forward, feedback, and combined control strategies on the same plant.

Closed-loop angular position control system built around an AC servomotor with synchro or potentiometric feedback. Students study transient response, steady-state error, and the effect of gain on the performance of an AC servomechanism.

Closed-loop position control set-up using a DC servomotor with position feedback, allowing adjustment of loop gain and observation of the resulting response. A standard experiment for studying second-order system behaviour, overshoot, and settling time.

DC or AC tachogenerator with mounting and readout for converting shaft speed into a proportional voltage. Used as the feedback element in speed-control and servo experiments.

Closed-loop temperature control rig with heater, sensor and controller supporting ON-OFF, P, PI and PID modes. Used for tuning exercises and for studying set-point tracking and disturbance rejection.

Two-tank level control rig with pump, control valve, level transmitter and controller for single-loop and cascade control experiments. Demonstrates the dynamics of an integrating process.

Multi-variable process rig covering flow, level, temperature and pressure loops on one skid with a common controller and data-acquisition interface. Provides a complete process-control laboratory in a single unit.

Complete photovoltaic training system with modules, charge controller, battery bank, inverter and load panel, fully instrumented. Allows a stand-alone solar installation to be built, measured and fault-traced in the laboratory.

Crystalline-silicon photovoltaic module with mounting frame and junction box, supplied for laboratory use in characteristic, tilt-angle and array-configuration experiments. Available in the wattage suited to the training rig.

Trainer with variable load, adjustable illumination and shading facility for plotting the I-V and P-V curves of a module and locating the maximum power point. Demonstrates the effect of irradiance, temperature and partial shading.

PWM or MPPT solar charge controller with metering and protection, supplied as a study item within the solar laboratory. Demonstrates battery-charging stages and load-disconnect behaviour.

Off-grid or hybrid solar inverter with display and monitoring output for converting PV and battery power to AC. Used for efficiency, waveform and load-transfer experiments.

Trainer with switchable fault conditions — open circuit, short circuit, partial shading, module mismatch and earth fault — and diagnostic instrumentation. Trains students in field troubleshooting of PV arrays.

Pyranometer with digital readout for measuring global solar irradiance on the plane of the array. Provides the reference measurement for module efficiency and performance-ratio calculations.

Portable analyser that measures string voltage, current and power and traces the I-V curve of an installed PV array. Used for commissioning checks and performance evaluation practicals.

Kit of cleaning tools, insulated hand tools and test instruments for the routine maintenance of photovoltaic arrays. Supports the operations-and-maintenance module of solar technology courses.

Deep-cycle lead-acid or lithium battery bank with rack and interconnections sized for the solar training system. Used for charge-discharge, capacity and depth-of-discharge experiments.

Trainer built around a maximum power point tracking controller, with the tracking algorithm's behaviour visible under changing irradiance. Compares MPPT against PWM charging on the same array.

Grid-tie training system with PV source, grid-interactive inverter, synchronisation and anti-islanding protection and export metering. Demonstrates the operation and protection of a rooftop grid-connected plant.

Sectioned electric-vehicle powertrain on a frame — battery, controller, traction motor, throttle and instrumentation — with test points throughout. Provides an integrated introduction to EV architecture and energy flow.

Traction-grade BLDC motor with its electronic controller, Hall feedback and loading arrangement. Used to study commutation, throttle response, torque-speed behaviour and controller protection features.

Permanent-magnet synchronous traction motor with field-oriented controller and encoder feedback for studying vector control and field weakening. Represents the drive used in current-generation electric vehicles.

BMS trainer with a multi-cell pack, cell monitoring, balancing and protection circuitry and diagnostic software. Demonstrates state-of-charge estimation, cell balancing and fault cut-off.

Instrumented lithium-ion pack with series-parallel configuration, thermal sensing and safety interlocks for charge-discharge characterisation. Covers pack assembly, capacity testing and thermal behaviour.

Training charger covering AC Level 1/2 and DC fast-charging concepts with connector types, control pilot signalling and protection. Demonstrates the charging handshake and safety sequence.

On-board charger trainer with a power-factor-corrected front end and isolated DC output, instrumented for efficiency and waveform study. Shows how AC supply is converted to regulated pack charging current.

Isolated bidirectional DC-DC converter trainer stepping traction-pack voltage down to the auxiliary bus. Used to study high-frequency conversion, isolation and bidirectional power flow in vehicles.

Trainer demonstrating energy recovery during braking, with a flywheel or dynamometer load, bidirectional controller and energy metering. Quantifies the energy returned to the pack under different braking profiles.

Test bench for characterising traction motor controllers under load, with programmable duty cycles, thermal monitoring and data logging. Used for performance validation and fault-condition study.

Scaled smart-grid platform integrating distributed generation, smart metering, communication and a control-centre HMI. Demonstrates demand response, islanding and two-way power and data flow.

Communicating smart meter with tariff registers, load profiling and remote read and disconnect capability. Used in metering, billing and demand-response practicals.

Networked energy monitoring system with sensor nodes, gateway and cloud dashboard for logging and visualising consumption. Supports energy-audit and IoT-application coursework.

Kit that acquires voltage, current, power factor and frequency and publishes them over Wi-Fi to a dashboard. Used to build remote-monitoring applications in electrical engineering projects.

Development kit with a range of sensors, a wireless controller and cloud connectivity libraries for prototyping IoT applications. Serves project work across electrical, instrumentation and mechatronics departments.

Trainer board built on the ESP32 with Wi-Fi and Bluetooth, on-board sensors, relay outputs and programming interface. Introduces embedded IoT development on a widely used industrial controller.

Trainer that transmits metered electrical parameters over a wireless link to a remote display or logger. Demonstrates telemetry, packet loss and range in a monitoring application.

Trainer demonstrating meter communication over power-line carrier, RF mesh and cellular links with a head-end system. Covers the AMI communication layer of smart metering.

Microgrid platform combining solar, battery, a diesel or grid source and controllable loads with a supervisory controller. Demonstrates grid-connected and islanded operation and seamless transfer between them.

Trainer for interconnecting distributed generation to a distribution feeder, with protection, voltage-rise study and export metering. Covers the integration issues of embedded generation.

Software-and-panel simulator reproducing the start-up, loading, trip and emergency sequences of a generating station. Trains students in plant operation without access to a live station.

Working sectional model of a coal-fired station showing the boiler, turbine, condenser, feed system and generator with the steam cycle traced. Used to teach plant layout and the Rankine cycle.

Model hydro station with reservoir, penstock, turbine and generator, instrumented for head, flow and output measurement. Demonstrates the conversion of hydraulic head into electrical power.

Scaled model of a solar generating station showing array layout, string combiners, inverters and evacuation to the grid. Used to teach utility-scale PV plant architecture.

Wind turbine trainer with a driven rotor, generator, converter and grid or battery interface, instrumented for power-curve measurement. Demonstrates tip-speed ratio, pitch control and maximum power tracking.

Sectional model of an open- and combined-cycle gas turbine plant showing compressor, combustor, turbine and heat-recovery steam generator. Used to compare cycle efficiency and plant response.

SCADA workstation simulating plant instrumentation, alarms, trends and control loops for operator-training exercises. Complements the power plant simulator with a realistic control-room interface.

A development board built around the 8051 microcontroller, used to teach embedded programming and interfacing in electronics laboratories.

Arduino-based training kit with development board, sensor and actuator modules, breadboard and project manual. Used for the introductory embedded and IoT practicals of the electrical syllabus.

ARM Cortex-M development board with on-board peripherals, debugger interface and expansion headers. Supports the 32-bit microcontroller portion of embedded systems courses.

PIC microcontroller trainer with programmer and interfacing sections for display, keypad, ADC and serial communication. Provides a complete platform for the PIC-based practical list.

Raspberry Pi single-board computer with power supply, storage, GPIO breakout and interfacing modules. Used for embedded Linux, Python and IoT gateway experiments.

General-purpose embedded trainer with a processor module and plug-in interfacing sections for displays, motors, ADC/DAC, communication and sensors. Covers the interfacing experiments of the embedded systems laboratory.

Digital logic trainer with logic sources and indicators, clock generator, seven-segment displays and IC sockets for building combinational and sequential circuits. The base platform for the digital electronics practical list.

Multi-channel logic analyser with protocol decoding for I2C, SPI and UART and deep capture memory. Used to debug digital and embedded circuits where an oscilloscope alone is insufficient.

FPGA board with on-board switches, LEDs, display and expansion connectors, supplied with the vendor toolchain. Used for VHDL and Verilog design, simulation and hardware implementation.

Trainer carrying temperature, light, proximity, gas, humidity and motion sensors with signal-conditioning and microcontroller interface. Teaches sensor selection, conditioning and calibration.

Trainer for generating and combining standard test signals and observing convolution, correlation and system response in the time and frequency domains. Provides the hardware counterpart to the signals-and-systems syllabus.

Digital signal processing trainer with a DSP core, codec, analogue input and output and development software. Used for real-time filtering, FFT and audio-processing experiments.

DSP development board with emulator support, on-board memory and expansion headers for algorithm development and benchmarking. Suits project work in real-time signal processing.

Trainer that decomposes standard periodic waveforms into their harmonic components and reconstructs them from measured coefficients. Makes Fourier series and transform concepts observable on an oscilloscope.

Trainer for building and testing low-pass, high-pass, band-pass and band-stop filters in Butterworth and Chebyshev forms. Frequency response and phase are plotted point-by-point or swept.

A trainer kit used to generate and study double-sideband and single-sideband amplitude-modulated transmitter signals in communication engineering.

A trainer kit used to demodulate and study double-sideband and single-sideband amplitude-modulated receiver signals in communication engineering.

A trainer kit used to generate and demodulate frequency-modulated signals for the study of FM communication principles.

A trainer kit used to study the reception and demodulation of amplitude-modulated and frequency-modulated radio broadcast signals.

A trainer kit used to demonstrate synchronous detection of amplitude-modulated signals in communication engineering laboratories.

A trainer kit used to generate and demodulate pulse code modulated signals for the study of digital communication techniques.

A trainer kit used to study delta, adaptive delta, and sigma-delta modulation and demodulation techniques in digital communication.

A trainer kit used to study digital data formatting and carrier modulation techniques on the transmitter side of a digital communication link.

A trainer kit used to study carrier demodulation and data reformatting techniques on the receiver side of a digital communication link.

A trainer kit used to study quadrature phase-shift keying and its offset and differential variants for digital communication.

An integrated training system used to study modulation, transmission, and reception techniques in digital communication systems.

A trainer kit used to demonstrate signal sampling and reconstruction principles underlying analog-to-digital communication.

Apparatus for mapping electrostatic and magnetostatic field patterns and verifying Gauss's, Ampere's and Faraday's laws experimentally. Gives physical form to the field-theory syllabus.

Trainer for measuring standing-wave ratio, reflection coefficient and impedance along a transmission line under open, short and matched terminations. Includes a Smith chart exercise on impedance matching.

Microwave bench with waveguide sections, slotted line, attenuator and detector for guided-wave propagation and mode measurement. Used to study cut-off frequency, guide wavelength and VSWR.

Antenna measurement set-up with transmitter, receiver, rotating mount and a set of dipole, Yagi, loop and patch antennas. Used to plot radiation patterns, gain and polarisation.

Gaussmeter with axial and transverse probes and a set of coils and magnets for mapping magnetic flux density. Used to verify field expressions for solenoids, Helmholtz coils and permanent magnets.

Hall effect apparatus with electromagnet, sample holder, constant-current source and digital readout. Determines Hall coefficient, carrier concentration and carrier type in semiconductor samples.

Photometric bench with a movable lamp carriage, photocell and scale for verifying the inverse-square and Lambert cosine laws and comparing lamp efficacy. Covers the illumination portion of the utilisation syllabus.

Calibrated digital lux meter with a cosine-corrected sensor for measuring illuminance on working planes. Used for lighting-design verification and energy-audit surveys.

Panel of LED luminaires and drivers with metering for comparing power consumption, power factor, efficacy and harmonic content against conventional lamps. Supports lighting retrofit and energy-conservation studies.

Panel showing choke-ballast, electronic-ballast and starter circuits for fluorescent lamps, with metering at each stage. Demonstrates starting, running conditions and power-factor improvement by capacitor.

Unit demonstrating resistance heating — direct and indirect — with element types, temperature control and energy metering. Covers the heating section of the utilisation of electrical energy course.

High-frequency induction heating unit with work coil and specimens for demonstrating eddy-current and hysteresis heating. Shows the effect of frequency, coupling and material on heating rate.

Welding demonstration set-up covering arc and resistance welding with adjustable current and duty cycle and full metering. Illustrates the electrical characteristics and power demand of welding plant.

Traction trainer modelling a DC and AC electric-traction drive with speed-time curve plotting, tractive effort and regenerative braking. Covers the traction module of the utilisation syllabus.

Licensed design software for sizing and analysing rotating machines, with magnetic circuit, winding and thermal calculation and output reports. Supports the machine-design laboratory and project work.

Software for the core, winding and cooling design of single- and three-phase transformers, with loss, regulation and cost estimation. Used for the transformer design assignments of the syllabus.

Design package for induction, synchronous and permanent-magnet motors covering electromagnetic, thermal and performance analysis. Allows students to iterate designs and compare them against test data.

Workstation specified for electrical design and simulation software, supplied with monitor, peripherals and network connection. Sized for finite-element and machine-design workloads.

Trainer with sectioned stator and rotor assemblies, winding samples, core laminations and insulation specimens. Connects design calculations to the physical construction of the machine.

A test kit used to apply and measure high voltages for insulation and dielectric strength testing of electrical equipment.

A handheld digital instrument used to measure the resistance of an earth electrode or grounding system for electrical installation testing.

A hand-cranked insulation resistance tester that generates its own high-voltage DC test signal to measure the insulation resistance of cables, windings, and equipment.

An instrument used to detect and pinpoint the location of faults, such as open or short circuits, in underground power cables.

Kit assembling a power analyser, clamp meter, lux meter, temperature and humidity meter and logging accessories in a field case. Equips students to carry out a preliminary and a detailed energy audit.

Handheld three-phase energy analyser with logging for load surveys, demand profiling and verification of conservation measures. The primary field instrument of the energy-audit course.

Infrared camera for detecting hot joints, overloaded conductors and unbalanced loads in panels and machines. Used for predictive-maintenance and energy-loss surveys.

Digital megger with selectable test voltages and polarisation-index and dielectric-absorption-ratio functions. Used for insulation assessment of machines, cables and transformers.

Digital thermo-hygrometer for recording ambient conditions during machine testing and energy audits. Provides the correction data required for performance calculations.

Ultrasonic detector for locating corona, tracking and arcing in switchgear and overhead lines by their acoustic signature. Complements thermography in condition monitoring.

Institutional workbench with distribution, protective devices, socket outlets, earthing and instrument shelf, built for electrical laboratory duty. Configured to the department's layout and student intake.

Temperature-controlled soldering station with ESD-safe tip, stand and accessories for electronics assembly and repair practicals. Standard equipment in project and electronics laboratories.

Vacuum desoldering station for removing through-hole and surface-mount components without damaging the board. Paired with the soldering station for rework and repair training.

Solderless breadboard with integral regulated supply and distribution rails for rapid circuit prototyping. Used across circuits, electronics and project work.

Wiring practice board for building domestic and industrial circuits — staircase, godown, tube-light, three-phase distribution and motor starter wiring. Covers the wiring-practice module of the diploma syllabus.

Set of insulated pliers, screwdrivers, cutters, spanners, testers and measuring tools in a case, rated for electrical work. Issued for wiring, maintenance and installation practicals.

Ratchet crimping tools with dies for lugs, ferrules and connectors across the common conductor sizes. Used for termination practice in wiring and panel-building exercises.

Audible and visual continuity tester for verifying circuit paths, fuses, windings and earth connections. A basic fault-finding instrument for the wiring and maintenance bench.

Battery-powered handheld oscilloscope with isolated inputs for taking waveform measurements away from the bench. Suited to drive, panel and field diagnostics.

Wall-mounted kit with rescue hook, insulated mat, first-aid supplies, shock-treatment chart and emergency instructions. Required equipment for every electrical laboratory.

Set of tested insulating gloves, face shield, arc-rated clothing, safety footwear and insulated mats for laboratory and site work. Supplied with test certificates for the voltage class specified.