422. Power Electronics 

FIRST TERM:
	Power diodes, Thyristors, G.T.O -Their characteristics, rating, 
	protection and cooling. Series end parallel operation of SCRsSCR 
	Firing typical controls circuits, 
	Phase controlled converter: Single Phase, 3- Phase and polyphase, 
	semi/full circuits with & without free wheeling diode. 
	Analysis and performance. AC power control: Phase control, full wave 
	control circuit, Half controlled Bridge circuits. 
	Application: DC motor control, speed control of slip-ring Induction motors: 
	stator phase control, Slip power recovery scheme


SECOND TERM:
	Voltage Controllers -1-phase/3 phase, 
	Typical control for integral cycle control/phase control, 
	Application of such as heater control, light dimmer
	Line Commutated Converters; Forced commutation circuits, 
	Introduction to Chippers, classification control Strategies, 
	Multi-phase choppers, Application of choppers for DC motor control.

	DC/AC Inverters : Classification, Configuration, Parallel, Serial
	& Bridge suuerters, 1-phase/ 3 phase, lnverters, VSI, PWM,
	CSI, Frequency and voltage control, Typical control circuits,
	High frequency inverters, Application to AC malnir ~ontrol,
	UPS induction heating.

Texts / References
	1.	Thyristor and power Controllers Dubey, Daradia, Joshi, Sinha, 
		Wiley Eastern Limited.

	2.	Power Electronics and controls, Samir K.Data, 
		Prentice-Hall of India.,

REFERENCES:
	3.	Thyristors and their application, M. Ramamurthy,
	4.	Power Electronics, D.A Bradley, V.N.R. (U.K.) Co. Ltd.