PEGIISc1 Switched Mode Power Converters Power Electronics Group, Department of Electrical Engineering, Indian Institute of Science, Bangalore 560 012 V.

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Presentation transcript:

PEGIISc1 Switched Mode Power Converters Power Electronics Group, Department of Electrical Engineering, Indian Institute of Science, Bangalore V. Ramanarayanan

PEGIISc2 AREAS OF WORK  Modelling  Analysis  Simulation  Design & Fabrication  Evaluation of SWITCH MODE POWER CONVERTERS

PEGIISc3 A Personal Computer Based Analysis & Evaluation System for Switched Mode Power Converters 1990 Sauvik Chattopadhyay M.Sc (Engg)

PEGIISc4 Power Converter VgILVgIL VoIgVoIg d  Voltage Gain  Control Gain  Input Impedance  Output Impedance

PEGIISc5 Design of Induction Heaters 1991 Kamalesh Chatterjee M.Sc (Engg)

PEGIISc6 Vdc Vac

PEGIISc7 A Constant Frequency Resonant Transition Converter 1995 A. Rajapandian M.Sc (Engg)

PEGIISc8 Resonant Transition Converter  High Switching Frequency  Compact Magnetics  High Efficiency

PEGIISc9 Modelling, Simulation, and Design of a Single Switch Resonant Inverter for Induction Heating 1995 Sanjay Lakshminarayanan M.Sc (Engg)

PEGIISc10  Single Switch  Voltage Fed Circuit  Minimum Component Count Vdc Furnace Coil

PEGIISc11 A Novel Transformerless Uninterruptible Power Supply 1996 S. Giridharan M.Sc (Engg)

PEGIISc12 ChargerInverterChargerInverter Converter Classical UPS Transformerless UPS

PEGIISc13  Very Rugged Machine  More Efficient Machine  Suitable for High Speed  Easy to Manufacture  Need of Electronic Converter  Complex Control Switched Reluctance Motor

PEGIISc14 Power System Applications Nonlinear Load Source Nonsinusoidal, Non UPF Current Electronic Compensator Inject Compensating Current

PEGIISc15 Synchronous Rectifier VdVd Efficiency = V VV o od  VoVo VoVo VtVt