Supply of Electrical Equipments, 16 Microprocessor Based Single Phase Firing Circuit Single Phase Bridge Inverter Using Igbt Three Phase Scr Module Three Phase Bridge Inverter Using Igbt Speed Control Of Dc Motor By Using Single Phase Scr Module Microprocessor Based Three Phase Firing Circuit Step Up Step Down Cycloconverter Four Quadrant Operation Of Dc Dc Chopper With Motor 3 Phase Ac Induction Motor Using Ipm And Micro 2407