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Switched capacitor converters
- Compact size due to the absence of inductor. Hence, high power density.
- High-efficiency at low power level.
- Can be integrated more easily and can be realized using an IC.
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Efficient elevator systems
- Vector control of Induction motor
- Speed & Flux optimization for loss minimization
- Utilization of regenerated energy
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High gain high efficiency dc to dc converters.
- New power converter topologies and their analysis, modelling and simulation
- High frequency link power conversion
- ZVS, ZCS configurations
- Advanced control schemes for power conversion (eg. Hybrid, QFT, Sliding mode etc.)
- Switched capacitor DC-DC power converters
- Sensorless control of electric drives
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DC micro grids.
- New circuit topologies to enhance efficiency
- Circulating current issues and its minimization in a distributed control of dc microgrid
- Stability issues and its enhancement.
- Interaction with AC microgrid and utility grid
- Communication protocols
- Modelling and control of DC microgrid system.
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AC micro grids.
- Interfacing issues between DC microgrid and AC microgrid
- Seamless power transfer between ac and dc microgrid
- Control and Stability Issues in hybrid ac/dc microgrid
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Multi level inverters and control strategies.
- Simplified implementation schemes of space vector PWM for multilevel inverters.
- Hybrid multilevel inverter topologies for single phase/three phase grid connected systems.
- Multi i/p multilevel inverter topologies for solar PV (identical/different PVs) applications.
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Grid connected /Off grid renewable energy systems.
- Issues related to transformer less systems
- Seamless power transfer between grid connection and stand alone mode of operation
- High Power and high density design issues of Inverters
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Maximum power extraction from renewable energy systems including micro inverters.
- Global MPPT Techniques
- Distributed MPPT Configurations
- Active Power Decoupling Techniques for micro-inverters
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Power Quality.
EMI/EMC.
- Analysis, measurement and mitigation of EMI in Electronic and power electronic systems
- System design and optimization for reduced EMI
- Design and development of measurement tools for EMI (e.g. E field probe, H field probe etc.)
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