150 likes | 428 Views
Switched Mode Power Converters. V. Ramanarayanan. Power Electronics Group, Department of Electrical Engineering, Indian Institute of Science, Bangalore 560 012. AREAS OF WORK. Modelling Analysis Simulation Design & Fabrication Evaluation. of SWITCH MODE POWER CONVERTERS.
E N D
Switched Mode Power Converters V. Ramanarayanan Power Electronics Group, Department of Electrical Engineering, Indian Institute of Science, Bangalore 560 012
AREAS OF WORK • Modelling • Analysis • Simulation • Design & Fabrication • Evaluation of SWITCH MODE POWER CONVERTERS
A Personal Computer Based Analysis & Evaluation System for Switched Mode Power Converters 1990 Sauvik Chattopadhyay M.Sc (Engg)
Vg IL Vo Ig Power Converter d • Voltage Gain • Control Gain • Input Impedance • Output Impedance
Design of Induction Heaters 1991 Kamalesh Chatterjee M.Sc (Engg)
Vdc Vac
A Constant Frequency Resonant Transition Converter 1995 A. Rajapandian M.Sc (Engg)
C1 C3 S1 S3 Ipri D1 D3 Vdc C4 C2 S4 S2 1:N D4 D2 Resonant Transition Converter • High Switching Frequency • Compact Magnetics • High Efficiency
Modelling, Simulation, and Design of a Single Switch Resonant Inverter for Induction Heating 1995 Sanjay Lakshminarayanan M.Sc (Engg)
Furnace Coil Vdc • Single Switch • Voltage Fed Circuit • Minimum Component Count
A Novel Transformerless Uninterruptible Power Supply 1996 S. Giridharan M.Sc (Engg)
Charger Inverter Charger Inverter Converter Classical UPS Transformerless UPS
Switched Reluctance Motor • Very Rugged Machine • More Efficient Machine • Suitable for High Speed • Easy to Manufacture • Need of Electronic Converter • Complex Control
Electronic Compensator Power System Applications Nonsinusoidal, Non UPF Current Nonlinear Load Source Inject Compensating Current
Vo V o Efficiency = V + V o d Vt Vo Synchronous Rectifier Vd