Basic Power Electronics

The book contains Concept OF Thyristors – Silicon Controlled Rectifiers (SCR’s) - Two transistor analogy - Static and Dynamic characteristics - Turn on and turn off methods - UJT firing circuit - Series and parallel connections of SCR’s – Snubber circuit details – Line Commutation and Forced Commutation circuits – Power MOSFET Power IGBT their characteristics and other form of thyristors. Phase control technique – Single phase Line commutated converters – Bridge connections – Half controlled converters with R RL and RLE loads – Derivation of average load voltage and current – Numerical problems. Semi and Fully controlled converters Bridge connections with R RL loads – Derivation of average load voltage and current. Three phase converters – Three pulse and six pulse converters – Bridge connections average load voltage with R and RL loads – Effect of Source inductance – Dual converters (both single phase and three phase) - Waveforms – Numerical Problems.