A Hardware Testbed(HTB)is developed for accurate and flexible emulation and testing of electrical power system and their control,measurement,and protection systems.In the HTB,modular and programmable power electronics...A Hardware Testbed(HTB)is developed for accurate and flexible emulation and testing of electrical power system and their control,measurement,and protection systems.In the HTB,modular and programmable power electronics converters are used to mimic the static and dynamic characteristics of electrical power components.This paper overviews the development,integration,and application of the HTB,covering emulation principle,hardware and software configuration,and example results of power system research using the HTB.The advantages of the HTB,compared with real-time digital simulation and downscaled hardware-based testing platform are discussed.展开更多
Medium-voltage(MV)power electronics equipment has been increasingly applied m distnbution grids,and high-voltage(HV)silicon carbide(SiC)power semiconductors have attracted considerable attention in recent years.This p...Medium-voltage(MV)power electronics equipment has been increasingly applied m distnbution grids,and high-voltage(HV)silicon carbide(SiC)power semiconductors have attracted considerable attention in recent years.This paper first overviews the development and status of HV SiC power semiconductors.Then,MV power-converter applications in distribution grids are summarized and the benefits of HV SiC in these applications are presented.Microgrids,including conventional and asynchronous microgrids,that can fully demonstrate the benefits of HV SiC power semiconductors are selected to investigate the benefits of HV SiC in detail,including converter-level benefits and system-level benefits.Finally,an asynchronous microgrid power-conditioning system(PCS)prototype using a 10 kV SiC MOSFET is presented.展开更多
This paper introduces the concept of modular design methodology for hardware design and development of motor drives.The modular design process is first introduced separating the hardware development into three parts:c...This paper introduces the concept of modular design methodology for hardware design and development of motor drives.The modular design process is first introduced separating the hardware development into three parts:controller,mother board and phase-leg module.The control and circuit function can be decoupled from the phase-leg module development.The hardware update can be simplified with the phase-leg module development and verification.Two design examples are used to demonstrate this method:a DC-fed motor drive with Si IGBTs and an AC-fed motor drive with SiC devices.Design of DC-fed motor drive aims at developing the converter with customized IGBT package for high temperature.Experience with development of the converter with commercial IGBTs simplifies the process.As the AC-fed motor drive is a more complex topology using more advanced devices,the modular design method can simplify and improve the development especially for new packaged devices.Also,the modular design method can help to study the electromagnetic interference(EMI)issue for motor drives,which is presented with an extra design example.展开更多
基金Supported primarily by the Engineering Research Center Program of the National Science Foundationthe Department of Energy under NSF Award Number EEC-1041877the CURENT Industry Partnership Program.
文摘A Hardware Testbed(HTB)is developed for accurate and flexible emulation and testing of electrical power system and their control,measurement,and protection systems.In the HTB,modular and programmable power electronics converters are used to mimic the static and dynamic characteristics of electrical power components.This paper overviews the development,integration,and application of the HTB,covering emulation principle,hardware and software configuration,and example results of power system research using the HTB.The advantages of the HTB,compared with real-time digital simulation and downscaled hardware-based testing platform are discussed.
基金Supported by the DOE through Oak Ridge National Lab and the Power America Program,the Engineering Research Center Program of the National Science Foundation,and the CURENT Industry Partnership Program.
文摘Medium-voltage(MV)power electronics equipment has been increasingly applied m distnbution grids,and high-voltage(HV)silicon carbide(SiC)power semiconductors have attracted considerable attention in recent years.This paper first overviews the development and status of HV SiC power semiconductors.Then,MV power-converter applications in distribution grids are summarized and the benefits of HV SiC in these applications are presented.Microgrids,including conventional and asynchronous microgrids,that can fully demonstrate the benefits of HV SiC power semiconductors are selected to investigate the benefits of HV SiC in detail,including converter-level benefits and system-level benefits.Finally,an asynchronous microgrid power-conditioning system(PCS)prototype using a 10 kV SiC MOSFET is presented.
基金Supported by the National Science Foundation of China(51607077).
文摘This paper introduces the concept of modular design methodology for hardware design and development of motor drives.The modular design process is first introduced separating the hardware development into three parts:controller,mother board and phase-leg module.The control and circuit function can be decoupled from the phase-leg module development.The hardware update can be simplified with the phase-leg module development and verification.Two design examples are used to demonstrate this method:a DC-fed motor drive with Si IGBTs and an AC-fed motor drive with SiC devices.Design of DC-fed motor drive aims at developing the converter with customized IGBT package for high temperature.Experience with development of the converter with commercial IGBTs simplifies the process.As the AC-fed motor drive is a more complex topology using more advanced devices,the modular design method can simplify and improve the development especially for new packaged devices.Also,the modular design method can help to study the electromagnetic interference(EMI)issue for motor drives,which is presented with an extra design example.
