Testing the Proper Functioning of Power Electronic Switches – SCR, IGBT, SCS and TRIAC

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Experiment No.: 7 Experiment Name: Testing the proper functioning of power electronic switches – SCR, IGBT, SCS and TRIAC Objective: To test SCR, IGBT, SCS and TRIAC. Theory: SCR: Silicon Controlled Rectifier (SCR) is a unidirectional semiconductor device made of silicon. This device is the solid state equivalent of thyratron and hence it is also …

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Study of VCB and Identification of Different Parts

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Experiment No.: 8 Experiment Name: Study of Vacuum Circuit Breaker (VCB) and identify different parts. Objective: To study VCB To identify different parts of VCB Theory: A vacuum circuit breaker is such kind of circuit breaker where the arc quenching takes place in vacuum. The technology is suitable for mainly medium voltage application. For higher …

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Study of Different Lightning Arrester and Identification of Different Parts

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Experiment No.: 7 Experiment Name: Study of different lightning arrester and identify different parts. Objective: To study of different lightning arrester To identify different parts of it Theory: A lightning arrester is a device used on electric power transmission and telecommunication systems to protect the insulation and conductors of the system from the damaging effects of lightning. The typical lightning arrester has a high-voltage terminal and a ground terminal. …

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Direct Loading Test on 3-ph Alternator to Determine the Regulation and Efficiency

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Experiment No. : 8 Experiment Name: Perform the direct loading test on the given three phase alternator and determine the regulation and efficiency. Objective: To perform the direct loading test on the given three phase alternator. To determine the regulation and efficiency. Theory: The voltage regulation of a synchronous generator [Alternator] can be determined by various methods. …

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Insulation Class

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The electrical insulation system for wires used in generators, electric motors, transformers, and other wire-wound electrical components is divided into different classes by temperature and temperature rise. The electrical insulation system is sometimes referred to as insulation class or thermal classification. Sl. No. Insulation Class Temperature Materials Used 1. Y 90°C Cotton, Silk, Paper, Wood (without …

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Identify various components of Different Switchgears: A. Circuit Breaker, B. Isolator, C. CTs and PTs, D. Power and distribution Transformers and write their specifications

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Experiment No: 6 Experiment Name: Identify various components of different switchgears: A. Circuit Breaker [: i) LT air circuit breaker; ii) Minimum Oil Circuit Breaker; iii) Air Blast Circuit Breaker; iv) SF6 Circuit Breaker; v) Vacuum Circuit Breaker] B. Isolator [vertical break, horizontal break] C. CTs and PTs D. Power and distribution Transformers and write …

Identify various components of Different Switchgears: A. Circuit Breaker, B. Isolator, C. CTs and PTs, D. Power and distribution Transformers and write their specifications Read More »

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Testing the Over Current Relay and to Plot Inverse Characteristics

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Experiment No.: 5 Experiment Name: Testing of Induction Type Over Current Relay using Relay Testing Kit to Plot the Inverse Characteristics. Theory: A non-directional heavily damped induction disc relay which has an adjustable inverse time/current characteristic with a definite minimum time. The relay has a high torque movement combined with low burden and low overshoot. …

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Set up the Solar PV Plant to Produce Electricity

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Experiment No.: 5 Experiment Name: Set up the Solar PV Plant to Produce Electricity. Objective: To set up the Solar PV Plant to produce electricity. Procedure: Step 1: Gather solar power components It all begins with gathering the basic ingredients of a solar power unit. You will need four major items – solar panels, charge controller unit …

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Determine the Regulation and Efficiency of 3 ph Alternator from OC and SC Tests (Synchronous impedance method)

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Experiment No.: 7 Experiment Name: Determine the regulation and efficiency of the given three phase alternator from OC and SC tests (Synchronous impedance method) Objective: To perform open circuit test on three phase alternator To perform short circuit test on three phase alternator To determine the regulation of that alternator To determine the efficiency of …

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Testing of Percentage Differential Protection of Transformer using Electromagnetic Type Transformer Differential Relay

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Experiment No: 4 Experiment Name: Testing of Percentage Differential Protection of Transformer using Electromagnetic Type Transformer Differential Relay. Objective: To test Percentage Differential Protection of Transformer using electromagnetic type Transformer Differential Relay. To plot a graph between relay operating current and tripping time. Theory: Principle of Differential Protection scheme is one simple conceptual technique. The …

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