{"id":310,"date":"2019-02-15T03:45:03","date_gmt":"2019-02-15T03:45:03","guid":{"rendered":"https:\/\/cde.nus.edu.sg\/ece\/?page_id=310"},"modified":"2025-09-09T11:10:02","modified_gmt":"2025-09-09T03:10:02","slug":"power-and-energy-group","status":"publish","type":"page","link":"https:\/\/cde.nus.edu.sg\/ece\/research\/research-areas\/power-and-energy-group\/","title":{"rendered":"Power and Energy Systems"},"content":{"rendered":"\n\n\t\t\t\t\t<ul id=\"menu-research\"><li id=\"menu-item-14033\"><a href=\"https:\/\/cde.nus.edu.sg\/ece\/research\/research-areas\/\">Research Areas<\/a>\n<ul>\n\t<li id=\"menu-item-14353\"><a href=\"https:\/\/cde.nus.edu.sg\/ece\/research\/research-areas\/communications-network\/\">Communications &amp; Networks<\/a><\/li>\n\t<li id=\"menu-item-14354\"><a href=\"https:\/\/cde.nus.edu.sg\/ece\/research\/research-areas\/control-intelligent-systems-robotics\/\">Control, Intelligent Systems &amp; Robotics<\/a><\/li>\n\t<li id=\"menu-item-14355\"><a href=\"https:\/\/cde.nus.edu.sg\/ece\/research\/research-areas\/ices\/\">Integrated Circuits &amp; Embedded Systems<\/a><\/li>\n\t<li id=\"menu-item-14356\"><a href=\"https:\/\/cde.nus.edu.sg\/ece\/research\/research-areas\/microelectronic-technologies-devices\/\">Microelectronic Technologies &amp; Devices<\/a><\/li>\n\t<li id=\"menu-item-14357\"><a href=\"https:\/\/cde.nus.edu.sg\/ece\/research\/research-areas\/microwave-radio-frequency\/\">Microwave &amp; Radio Frequency<\/a><\/li>\n\t<li id=\"menu-item-14358\"><a href=\"https:\/\/cde.nus.edu.sg\/ece\/research\/research-areas\/power-and-energy-group\/\">Power and Energy Systems<\/a><\/li>\n\t<li id=\"menu-item-14359\"><a href=\"https:\/\/cde.nus.edu.sg\/ece\/research\/research-areas\/sami\/\">Signal Analysis &amp; Machine Intelligence<\/a><\/li>\n<\/ul>\n<\/li>\n<li id=\"menu-item-14035\"><a href=\"https:\/\/cde.nus.edu.sg\/ece\/research\/research-centers\/\">Research Centers<\/a>\n<ul>\n\t<li id=\"menu-item-14361\"><a href=\"https:\/\/cde.nus.edu.sg\/ece\/research\/research-centers\/cism\/\">Center for Intelligent Sensor and MEMS<\/a><\/li>\n\t<li id=\"menu-item-14362\"><a href=\"https:\/\/cde.nus.edu.sg\/ece\/research\/research-centers\/gems\/\">Green Energy Management and Smart Grid Research Center<\/a><\/li>\n\t<li id=\"menu-item-14363\"><a href=\"https:\/\/cde.nus.edu.sg\/ece\/research\/research-centers\/osec\/\">Optical Science and Engineering Center<\/a><\/li>\n\t<li id=\"menu-item-14360\"><a href=\"https:\/\/cde.nus.edu.sg\/ece\/research\/research-centers\/star\/\">Satellite Technology And Research Centre<\/a><\/li>\n<\/ul>\n<\/li>\n<li id=\"menu-item-14034\"><a href=\"https:\/\/cde.nus.edu.sg\/ece\/research\/research-statistics\/\">Research Statistics<\/a><\/li>\n<\/ul>\t\n\t<h2>\n\t\tPower and Energy Systems\n\t<\/h2>\n\t<p><strong>Latest:\u00a0<a href=\"\/ece\/wp-content\/uploads\/sites\/3\/2020\/07\/RG-Innovation-Challenge_Power@NUS_EMDL.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">R&amp;G Innovation Challenge_Power@NUS_EMDL<\/a><\/strong><\/p>\n\t<p>The teaching and research activities can be categorized into four main themes: Electrical Machines and Drives, Power Electronics, Power Systems, and Semiconductor devices. The application of our research area has a wide range including smart grid technologies, renewable integration, energy harvesting, control and management of electric vehicles connected to the power grids, low-power intelligent sensing nodes, and assistive technology. Meanwhile, Semiconductor Devices research is focused on developing high voltage (650 V, 1200 V) wide bandgap semiconductor devices to raise the system performance and energy efficiency, via the high quality switching devices operating under high-frequency energy conversion. This includes their design, modelling, fabrication processes, device prototyping, gate drives, protection circuits and overall integration. Such devices are suitable for renewable energy market, electric vehicles and smart power grid in the distribution level. The group is involved into interdisciplinary system level research with several industrial collaborators and various governmental agencies.<\/p>\n\t\t<nav>\n\t\t\t<ul>\n\t\t\t\t\t\t\t\t<li data-index=\"0\">\n\t\t\t\t\t<h5>\n\t\t\t\t\t\t<a href=\"void(0);\">Research Focus\n\t\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/h5>\n\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li data-index=\"1\">\n\t\t\t\t\t<h5>\n\t\t\t\t\t\t<a href=\"void(0);\">People\n\t\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/h5>\n\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li data-index=\"2\">\n\t\t\t\t\t<h5>\n\t\t\t\t\t\t<a href=\"void(0);\">Laboratories and Research Centers\n\t\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/h5>\n\t\t\t\t<\/li>\n\t\t\t\t\t\t\t<\/ul>\n\t\t<\/nav>\n\t\t\t\t\t<h5>\n\t\t\t\t\t\t\t\t\t\t\t\tResearch Focus\n\t\t\t\t\t\t\t\t\t\t\t<\/h5>\n\t\t\t\t\t<ul>\n<li><strong>Power Electronics<\/strong><\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/cde.nus.edu.sg\/wp-content\/uploads\/sites\/3\/2019\/02\/Electronics.jpg\" alt=\"Electronics\" width=\"480\" height=\"auto\" \/><\/p>\n<p>Power Electronics research is mainly focused on analyzing, designing, and developing novel power converter topologies and innovative modulation techniques for the given applications. Ongoing research mainly focusses on modern and emerging applications such as microgrid, nano-satellite, marine, renewable energy, energy storage, transportation, data centers, UPS, LED lighting, active filtering, etc. It is also focused on advanced nonlinear control techniques to address the fundamental problems in the area of motor drives, power electronic converters, active filters, intelligent power semiconductor devices, and lightning protective devices.<\/p>\n<ul>\n<li><strong>Power Systems<\/strong><\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/cde.nus.edu.sg\/wp-content\/uploads\/sites\/3\/2019\/04\/GEMS2.png\" alt=\"Gems2\" width=\"545\" height=\"auto\" \/><\/p>\n<p>Power Systems research is focused on advancing the state-of-the-art in the areas of analysis, intelligent control, reliability, and monitoring of power systems. Developing optimization techniques, intelligent computation tools, and reliability analysis, renewable energy integration, renewable power output forecasting, electricity price forecasting, electric vehicle integration, energy storage systems integration are ongoing research topics.<\/p>\n<ul>\n<li><strong>Machines and Drives<\/strong><\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/cde.nus.edu.sg\/wp-content\/uploads\/sites\/3\/2019\/02\/Machines-1024x580.png\" alt=\"Machines\" width=\"537\" height=\"auto\" \/><\/p>\n<p>Electrical Machines and Drives research is mainly focused on fault diagnosis and condition monitoring of electrical equipment, i.e., transformer, motor, generator, converter, etc. Advanced control of medium voltage high power industrial AC drives and advanced nonlinear control techniques to address fundamental problems in the area of motor drives is another focus of current research. It is also focused on control of high power AC drives, torque ripple minimization of AC Drives such as Permanent Magnet Synchronous Motor (PMSM) and Switched Reluctance Motor (SRM) Drives, high-performance control of electric drives, building and industrial processes energy efficiency enhancement, biomimetic fish propulsion and central pattern generation mechanisms etc.<\/p>\n<ul>\n<li><strong>Condition Monitoring<\/strong><\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/cde.nus.edu.sg\/wp-content\/uploads\/sites\/3\/2019\/04\/Condition-Monitoring.png\" alt=\"Machines\" width=\"544\" height=\"auto\" \/><\/p>\n<p>Electricity generation in a power plant is a synergy of various equipment in operation, viz., generators, turbines, boilers, transformers, switchgears and motors. A sustained electricity generation mandates continuous operation of these equipment and therefore, maintaining the critical equipment in a healthy state is paramount. Time based maintenance (TBM) has traditionally been used to that end, and it is still being pursued by utilities to a large extent. TBM however reveals little about the current status since it is essentially an offline exercise and performed only during scheduled outages, typically once in two\/three years. Condition based maintenance (CBM), also known as predictive maintenance, is the emerging maintenance strategy where sensors are installed to monitor the status of the equipment continuously; and therefore provides information on equipment&#8217;s current health. This allows to schedule maintenance based on requirement and therefore significantly reduces operating cost, unscheduled outages, and downtime. Presently, condition monitoring techniques are being developed based on electrical parameters, e.g., voltage, current, and magnetic flux. Some of these proposed parameters can be tapped in from the existing protection sensors, which makes the condition monitoring using electrical signatures even more desirable. Synchronous generators, transformers, motors, switchgears, and pumps are the equipment that are presently being studied as they are the most critical equipment in power plants.<\/p>\n\t\t\t\t\t<h5>\n\t\t\t\t\t\t\t\t\t\t\t\tPeople\n\t\t\t\t\t\t\t\t\t\t\t<\/h5>\n\t\t\t\t\t<table border=\"1\">\n<tbody>\n<tr>\n<td>\n<p><img decoding=\"async\" src=\" \/wp-content\/uploads\/sites\/3\/2019\/03\/eleamk.jpg\" alt=\"Eleamk\" width=\"120\" height=\"auto\" \/><\/p>\n<p><strong>Ashwin M KHAMBADKONE<\/strong><br \/>ASSOCIATE PROFESSOR<\/p>\n<p><a href=\"\/ece\/staff\/ashwin-m-khambadkone\/\" target=\"_blank\" rel=\"noopener noreferrer\">Biography<\/a><\/p>\n<p><a href=\"https:\/\/scholar.google.com.sg\/citations?user=Rq8tmhoAAAAJ\" target=\"_blank\" rel=\"noopener noreferrer\">Google Scholar<\/a><\/p>\n<p>E4-08-14<\/p>\n<p>+65 6516 5157<\/p>\n<p><a href=\"mailto:eleamk@nus.edu.sg\">Click here to Email<\/a><\/p>\n<p>Distributed Energy Resources Networks, Fuel Cell based Systems, and Control of Power Electronics based Energy systems, Digital Control of PFC and VRM and Multi-level Inverters<\/p>\n<\/td>\n<td>\n<p><img decoding=\"async\" src=\" \/wp-content\/uploads\/sites\/3\/2019\/03\/elesahoo.jpg\" alt=\"Elesahoo\" width=\"120\" height=\"auto\" \/><\/p>\n<p><strong>Sahoo Sanjib KUMAR<\/strong><br \/>SENIOR LECTURER<br \/>Coordinator (BTech-Electronic Engineering Programme)<\/p>\n<p><a href=\"\/ece\/staff\/sahoo-sanjib-kumar\/\" target=\"_blank\" rel=\"noopener noreferrer\">Biography<\/a><\/p>\n<p><a href=\"https:\/\/scholar.google.com.sg\/citations?user=D3lqaL0AAAAJ&amp;hl=en\" target=\"_blank\" rel=\"noopener noreferrer\">Google Scholar<\/a><\/p>\n<p>E4-08-02<\/p>\n<p>+65 6516 6470<\/p>\n<p><a href=\"mailto:elesahoo@nus.edu.sg\">Click here to Email<\/a><\/p>\n<p>Electric Machine Drives, Power Electronic Converters and Renewable Energy<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><img decoding=\"async\" src=\" \/wp-content\/uploads\/sites\/3\/2019\/03\/YungCLiang.jpg\" alt=\"Yungcliang\" width=\"120\" height=\"auto\" \/><\/p>\n<p><strong>LIANG Yung Chii<\/strong><br \/>ASSOCIATE PROFESSOR<\/p>\n<p><a href=\"\/ece\/staff\/yung-c-liang\/\" target=\"_blank\" rel=\"noopener noreferrer\">Biography<\/a><\/p>\n<p><a href=\"https:\/\/scholar.google.com.sg\/citations?user=ePpCnBEAAAAJ\" target=\"_blank\" rel=\"noopener noreferrer\">Google Scholar<\/a><\/p>\n<p>E5-03-10<\/p>\n<p>+65 6516 2175<\/p>\n<p><a href=\"mailto:elelyc@nus.edu.sg\">Click here to Email<\/a><\/p>\n<p>Power microelectronics Intellligent power devices and smart ICs Microsystem Technology<\/p>\n<\/td>\n<td>\n<p><img decoding=\"async\" src=\" \/wp-content\/uploads\/sites\/3\/2019\/03\/elelowts.jpg\" alt=\"Elelowts\" width=\"120\" height=\"auto\" \/><\/p>\n<p><strong>LOW Teck Seng<\/strong><br \/>PROFESSOR (ON SECONDMENT)<br \/>Senior Vice President (Sustainability and Resilience)<\/p>\n<p><a href=\"https:\/\/www.tum-create.edu.sg\/people\/governance\/prof-low-teck-seng\" target=\"_blank\" rel=\"noopener noreferrer\">Website<\/a><\/p>\n<p>NRF<\/p>\n<p>+65 6684 2912<\/p>\n<p><a href=\"mailto:elelowts@nus.edu.sg\">Click here to Email<\/a><\/p>\n<p>Design and control of permanent-magnet actuators Field computation and neural networks Micromotors, piezoactuators Drives for automation and robotics Magnetics recording technology<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><img decoding=\"async\" src=\" \/wp-content\/uploads\/sites\/3\/2019\/03\/eleskp.jpg\" alt=\"Eleskp\" width=\"120\" height=\"auto\" \/><\/p>\n<p><strong>Sanjib Kumar PANDA<\/strong><br \/>ASSOCIATE PROFESSOR<\/p>\n<p><a href=\"\/ece\/staff\/sanjib-kumar-panda\/\" target=\"_blank\" rel=\"noopener noreferrer\">Biography<\/a><\/p>\n<p><a href=\"https:\/\/scholar.google.com.sg\/citations?user=W1LaipkAAAAJ\" target=\"_blank\" rel=\"noopener noreferrer\">Google Scholar<\/a><\/p>\n<p>E5-03-05<\/p>\n<p>+65 6516 6484<\/p>\n<p><a href=\"mailto:eleskp@nus.edu.sg\">Click here to Email<\/a><\/p>\n<p>Energy harvesting both at high power level as well as at very low-power level for wireless sensor nodes and networks, control of distributed renewable energy generation, assistive technology, mechatronics<\/p>\n<\/td>\n<td>\n<p><img decoding=\"async\" src=\" \/wp-content\/uploads\/sites\/3\/2019\/03\/elepcj.jpg\" alt=\"Elepcj\" width=\"120\" height=\"auto\" \/><\/p>\n<p><strong>Jimmy Chih-Hsien PENG<\/strong><br \/>ASSOCIATE PROFESSOR<\/p>\n<p><a href=\"\/ece\/staff\/jimmy-chih-hsien-peng\/\" target=\"_blank\" rel=\"noopener noreferrer\">Biography<\/a><\/p>\n<p><a href=\"https:\/\/scholar.google.com.sg\/citations?user=fDN4Ok8AAAAJ\" target=\"_blank\" rel=\"noopener noreferrer\">Google Scholar<\/a><\/p>\n<p>E4 06-10<\/p>\n<p>+65 6516 5569<\/p>\n<p><a href=\"mailto:elepcj@nus.edu.sg\">Click here to Email<\/a><\/p>\n<p>Design of microgrid, smart meter, all-electric ship, high-voltage power systems, synchrophasor application<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><img decoding=\"async\" src=\" \/wp-content\/uploads\/sites\/3\/2019\/03\/elesd.jpg\" alt=\"Elesd\" width=\"120\" height=\"auto\" \/><\/p>\n<p><strong>Dipti SRINIVASAN<\/strong><br \/>PROFESSOR<br \/>Director (Green Energy Management and Smartgrid research Center)<\/p>\n<p><a href=\"\/ece\/staff\/dipti-srinivasan\/\" target=\"_blank\" rel=\"noopener noreferrer\">Biography<\/a><\/p>\n<p><a href=\"https:\/\/scholar.google.com.sg\/citations?user=eiJgCRAAAAAJ\" target=\"_blank\" rel=\"noopener noreferrer\">Google Scholar<\/a><\/p>\n<p>E4-06-09<\/p>\n<p>+65 6516 6544<\/p>\n<p><a href=\"mailto:elesd@nus.edu.sg\">Click here to Email<\/a><\/p>\n<p>Fuzzy logic Evolutionary computation Application of soft computing techniques to power system operation and control AI techniques for machine design optimisation Intelligent incident detection for highways<\/p>\n<\/td>\n<td>\n<p><img decoding=\"async\" src=\" \/wp-content\/uploads\/sites\/3\/2019\/03\/elesang.jpg\" alt=\"Elesang\" width=\"120\" height=\"auto\" \/><\/p>\n<p><strong>SASIDHAR, Sangit<\/strong><br \/>SENIOR LECTURER<\/p>\n<p><a href=\"\/ece\/staff\/sangit-sasidhar\/\" target=\"_blank\" rel=\"noopener noreferrer\">Biography<\/a><\/p>\n<p><a href=\"https:\/\/scholar.google.com\/citations?user=7B6zo3UAAAAJ&amp;hl=en\" target=\"_blank\" rel=\"noopener noreferrer\">Google Scholar<\/a><\/p>\n<p>E2-02-29<\/p>\n<p>+65 6601 5997<\/p>\n<p><a href=\"mailto:elesang@nus.edu.sg\">Click here to Email<\/a><\/p>\n<p>Biomedical signal processing, sensor fusion, biomimetics and embedded systems<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cde.nus.edu.sg\/ece\/wp-content\/uploads\/sites\/3\/2019\/08\/Prof-Liew.png\" alt=\"Prof Liew\" width=\"143\" height=\"160\" \/><\/p>\n<p><strong>LIEW Ah Choy<\/strong><br \/>EMERITUS PROFESSOR<\/p>\n<p><a href=\"\/ece\/staff\/liew-ah-choy\/\" target=\"_blank\" rel=\"noopener noreferrer\">Biography<\/a><\/p>\n<p>E1-05-16<\/p>\n<p>+65 6516 2113<\/p>\n<p><a href=\"mailto:elelac@nus.edu.sg\">Click here to Email<\/a><\/p>\n<\/td>\n<td>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cde.nus.edu.sg\/ece\/wp-content\/uploads\/sites\/3\/2025\/08\/IMG_20250806_232611-250x300.jpg\" alt=\"Akshay Kumar Rathore\" width=\"133\" height=\"160\" \/><\/p>\n<p><strong>Akshay Kumar RATHORE<\/strong><br \/>PROFESSOR<br \/>Area Director (Power &amp; Energy Systems)<\/p>\n<p><a href=\"\/ece\/staff\/rathore-akshay-kumar\/\" target=\"_blank\" rel=\"noopener noreferrer\">Biography<\/a><\/p>\n<p><a href=\"https:\/\/scholar.google.com\/citations?user=QF7PpzIAAAAJ&amp;hl=en\" target=\"_blank\" rel=\"noopener noreferrer\">Google Scholar<\/a><\/p>\n<p><a href=\"https:\/\/blog.nus.edu.sg\/akshayrathore\/\" target=\"_blank\" rel=\"noopener noreferrer\">Website<\/a><\/p>\n<p><a href=\"https:\/\/www.linkedin.com\/in\/the-akshay-rathore-a1707213\/\" target=\"_blank\" rel=\"noopener\">LinkedIn<\/a><\/p>\n<p>E4-05-14<\/p>\n<p><a href=\"mailto:akshay.rathore@nus.edu.sg\">Click here to Email<\/a><\/p>\n<p>High-density high-efficiency design of power electronics, Soft-switching DC\/DC converters, Novel pulse width modulation techniques, Current-fed converters, Multilevel inverters, Wide Band Gap (WBG) power electronics, Inverters for grid integration and islanded systems, Rectifiers (AC\/DC converters) for EV Chargers and UPS systems, Control of electrical motor drives, Wireless Power Transfer<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t\t\t\t\t<h5>\n\t\t\t\t\t\t\t\t\t\t\t\tLaboratories and Research Centers\n\t\t\t\t\t\t\t\t\t\t\t<\/h5>\n\t\t\t\t\t<ul>\n<li><a href=\"\/ece\/power-electronics-laboratory\/\" target=\"_blank\" rel=\"noopener noreferrer\">Power Electronics Lab<\/a><\/li>\n<li><a href=\"\/ece\/emdl\/\" target=\"_blank\" rel=\"noopener noreferrer\">Electrical Machines &amp; Drives Lab<\/a><\/li>\n<li><a href=\"\/ece\/emml\/\" target=\"_blank\" rel=\"noopener noreferrer\">Energy Management and Microgrid Lab<\/a><\/li>\n<li><a href=\"\/ece\/gems\/\" target=\"_blank\" rel=\"noopener\">Green Energy Management and Smartgrid Research Center<\/a><\/li>\n<\/ul>\n\t\t\t\t\t<!-- \/content -->\n\t<!-- \/tabs -->\n\n","protected":false},"excerpt":{"rendered":"<p>Research Areas Communications &amp; Networks Control, Intelligent Systems &amp; Robotics Integrated Circuits &amp; Embedded Systems Microelectronic Technologies &amp; Devices Microwave &amp; Radio Frequency Power and Energy Systems Signal Analysis &amp; Machine Intelligence Research Centers Center for Intelligent Sensor and MEMS Green Energy Management and Smart Grid Research Center Optical Science and Engineering Center Satellite Technology [&hellip;]<\/p>\n","protected":false},"author":29,"featured_media":0,"parent":254,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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