Electrical Circuits and Machines Practical

The main objective of this lab is to understand the circuit connections and study the characteristics of electrical machines. After completion of this laboratory students can understand to • make various circuit connections • Practically proves the Superposition, Maximum Power Transfer, Thevenin Theorems and Norton Theorem. • Understand the characteristics of electrical machines and to determine the efficiency of the machines. • Test the transformers to find the efficiency, voltage regulations and characteristics. • Various speed control methods of DC motors.

Facilities Available:

• DC Shunt Motor – 2 Nos. • DC Series Motor – 1 No. • DC Compound Motor – 1 No. • DC Shunt Generator – 1 No. • DC series Generator – 1 No. • Single Phase Transformer- 2Nos. • Three Phase Transformer- 1No. • Auto Transformer- 3 Nos. • DC Ammeter [(0- 20A)-2 Nos, (0- 10A)- 3 Nos, (0-5A)- 3 Nos, (0-2A)- 4Nos ] • DC Voltmeter-[(0- 300V)-6 Nos, (0- 150V)- 5 Nos ] • Tachometer- 6 Nos