supply of electrical equipment , supply of electrical equipment , digital multimeters , connecting wire , wire stripper and cutter , screw driver set , analog ammeter , analog voltmeter , analog wattmeter , rheostat , study of thysistor controlled dc drive , study of chopper fed dc drive , study of ac single phase motor-speed control using triac , study of v / f control operation of 3 phase induction motor drive , pc / plc based , introduction and uses of following instruments: , demonstration of cut-out sections of machines: , calibration of ammeter and wattmeter. , ( a ) open circuit and short circuit test of a single-phase transformer ( b ) load test of the transformer and determination of efficiency and regulation , demonstration of three phase transformer connections. voltage and current relationship, phase shifts between the primary and secondary side , measurement of power in a three phase unbalanced circuit by two wattmeter method , determination of torque –speed characteristics of separately excited dc motor. , determination of torque speed characteristics and observation of direction reversal by change of phase sequence of connection of induction motor , determination of operating characteristics of synchronous generator. , demonstration of operation of ( a ) dc-dc converter ( b ) dc-ac converter ( c ) dc-ac converter for speed control of an induction motor. , demonstration of components of lt switchgear , steady state response of rlc circuit , to perform transient response of rlc circuit