JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY 
HYDERABAD 
II Year B.Tech. ECE. I-Sem T P C 
0 3 2 
ELECTRICAL TECHNOLOGY LAB 

PART – A 

1. Serial and Parallel Resonance – Timing, Resonant frequency, Bandwidth and Q-factor determination for RLC network. 
2. Time response of first order RC/RL network for periodic non-sinusoidal inputs – time constant and steady state error determination. 
3. Two port network parameters – Z-Y Parameters, chain matrix and analytical verification. 
4. Verification of Superposition and Reciprocity theorems. 
5. Verification of maximum power transfer theorem. Verification on DC, verification on AC with Resistive and Reactive loads. 
6. Experimental determination of Thevenin’s and Norton’s equivalent circuits and verification by direct test. 

PART – B 

1. Magnetization characteristics of D.C. Shunt generator. Determination of critical field resistance. 
2. Swinburne’s Test on DC shunt machine (Predetermination of efficiency of a given DC Shunt machine working as motor and generator). 
3. Brake test on DC shunt motor. Determination of performance characteristics. 
4. OC & SC tests on Single-phase transformer (Predetermination of efficiency and regulation at given power factors and determination of equivalent circuit). 
5. Brake test on 3-phase Induction motor (performance characteristics). 
6. Regulation of alternator by synchronous impedance method. 

Note: Any TEN of the above experiments are to be conducted