The Electrical Machines Laboratory provides students with hands-on experience in the operation, testing, and performance analysis of various electrical machines, including DC machines, transformers, induction motors, and synchronous machines.
It enables students to gain a thorough understanding of the operating principles, characteristics, efficiency, speed control, and performance of electrical machines under different loading conditions.
Overall, it bridges the gap between theoretical knowledge and practical applications, thereby enhancing students’ technical competence and problem-solving abilities.
ELECTRICAL MACHINES LAB-I
List of Experiments
- To obtain magnetization characteristics of a DC shunt generator.
- To obtain load characteristics of a DC shunt generator.
- To obtain efficiency of a DC machine using Swinburn’s test.
- To obtain speed-torque characteristics of a DC shunt motor.
- To obtain speed control of DC shunt motor using (a) armature resistance control (b) field control.
- To perform polarity and ratio test of single phase transformer.
- To perform open circuit and short circuit test in single phase transformer and find efficiency and voltage regulation.
- To obtain efficiency and voltage regulation of a single phase transformer by Sumpner’s test.
- To perform open circuit and short circuit test in three phase transformer and find efficiency.
- To obtain a balanced two phase supply from a 3 phase balanced system – Scott Connection.
ELECTRICAL MACHINES LAB-II
List of Experiments
Hardware based Experiments
- To perform no load and blocked rotor tests on a three phase squirrel cage induction motor and determine equivalent circuit parameters.
- To perform load test on a three phase induction motor and sketch Torque -Speed characteristics.
- To study speed control and reversal of direction of rotation of three phase induction motor by varying supply voltage.
- To perform open circuit and short circuit tests on a three phase alternator and determine voltage regulation at full load and at 0.8 lagging power factor by EMF method.
- To determine V-curve of a three phase synchronous motor at no load.
- To determine Xd and Xq of a three phase salient pole synchronous machine using the slip test.
- To study parallel operation of alternators with the supply mains by using two bright and one dark lamp method.
Software based Experiments
- To perform no load and blocked rotor tests on a three phase squirrel cage induction motor and determine equivalent circuit parameters.
- To perform load test on a three phase induction motor and sketch Torque -Speed characteristics.
- To study speed control and reversal of direction of rotation of three phase induction motor by varying supply voltage.
List of Major Equipments
- DC Motor-Generator Setup
- DC Shunt Motor Test Setup
- DC Compound Motor Test Setup
- Transformer Polarity and Turns-Ratio Test Kit
- Single-Phase Transformer Test Setup
- Three-Phase Transformer Test Setup
- Scott Connection Testing Setup
- Single-Phase Induction Motor Setup
- Three-Phase Induction Motor Setup
- V/F Control of Three-Phase Induction Motor Setup
- OC and SC Test of Three-Phase Alternator Setup
- Three-Phase Synchronous Motor Test Setup
- Three-Phase Alternators Parallel Operation Setup
- Salient-Pole Synchronous Machine Test Setup
- Three-phase Synchronous Motor Setup
- Cut-section Model of Induction Motor
- Cut-section Model of Synchronous Motor
- DC and AC Starters
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17km Stone, NH-19, Mathura-Delhi Road, P.O.
Chaumuhan, Mathura-281 406, (U.P.) INDIA