Research Activities

 

Currently I am on joint appointment of A*STARs Experimental Power Grid Center.

Prospective research candidates who desire to do PhD on this topic can apply for research scholarship at this site https://www.singa.a-star.edu.sg/index.php
If you are looking for Post-Doctoral Positions in Power Electronics application to Power systems, Power System Control, Multi-Agent control please email me  

 

 

Modular Distributed Energy Resource Network (MODERN)

Funded by SERC,. Duration 3 years, Amount SGD 1.5 million (completed)

PI: Ashwin M Khambadkone
In this project we develop a framework for designing flexible microgrids that include an optimal mix of energy resources.
The project inlcudes 5 work packages on energy resource planning, grid architecture and control, Power electrionic building block and energy storage systems

Outcomes:

1.    Energy reource optimization package to determine best energy mix under uncertain and varying time loads

2.    AC/DC Microgrid Architecure design

3.    Multi-Agent Control of Microgrids: A Real-time control method

4.    Composite Energy Storage System (CESS) US Patent

5.    Power Converter Builiding block with ability to carry out Fault Ride Through, Islanded Operation and Power Quality control

6.    Reliability studies of operating multiple converters in parallel and achieveing load sharing

7.    Models of Fuel cells, Batteries, Building Integrated PV


High efficiency digitaly controlled Power Factor Convesion

Funded by Infineon, Duration 4 years, Amount SGD 600K (completed)
PI: Ashwin M Khambadkone
Aim: To develop a high efficiency digitally controlled Power Factor Correction for AC to DC power supplies.

Outcomes:

1.    High Efficiency control at light loads using a on-off control

2.    FPGA based Digital Control method for DCM and CCM operation with model adaptation

3.    Non-linear inductor design for PFC boost converter to reduce light load losses.

Powering Future Microprocessors

Fundedy by University Research Council of NUS, Amount SGD 230K Project completed in 2008
PI: Ashwin M Khambadkone
Outcomes:

1.    High Slew Rate Circuits for VRM with 1 V and 80-100A

2.    Digitally Controlled, interleaved 1 Mhz VRM

3.    GMR based current measurement

4.    Digital control Chip with slew-rate control and high resolution

Plug-n-play Fuel Cell source

Funded by Faculty Research Council of NUS, Amount SGD 78K Project completed in 2007
PI: Ashwin M Khambadkone
Outcomes:

1.    Real-time Fuel Cell model to simulate static and dynamic behavior

2.    Interleaved high efficiency Current Fed Full bridge converter with digital control

3.    Multilevel Inverter with low harmonic and CMV

4.    Fuel cell system with augmented energy storage using ultracapacitors

Universal Power Electronic Cell

Fundedy by Faculty Research Council of NUS, Amount SGD68K Project completed in 2004
PI: Ashwin M Khambadkone
Outcomes:

1.    1 MHz softswitching converter

2.    Networked Inverters

3.    PEBB architecture  (Small power)

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