70220122 (Modern Power Electronics)

Course Name: Modern Power Electronics

Course Number: 70220122

Program: Graduate program

Type: Elective

Credits: 2

Term Offered: Spring

Prerequisite(s): Principle of Electrical Circuit, Electrical Machine, Control and Automation, Computer Programming

Instructor(s): Xu Zheng


Li Yongdong: Modern Power Electronics——Principle, technology and application (The 2nd edition), 2005


Bimal K.Bose, Modern Power Electronics and AC Drives, Prentice-Hall, Inc., 2002.

Yaskawa Electric Corporation: Inverter Drive Technology, 日刊工业新闻社,1997 

Li Yongdong: Digital Control System of AC Motors, China Machine Press, 2002.

Xiao Xiangning: Analysis and Control of Power Quality, China Electric Power Press, 2004.

Course Description:

     The course is about the principle and technology of power electronics, its application in the field of power system, energy conservation and renewable energy utilization, as well as the key points and process management of power electronic equipment design.

Course Objectives and Outcomes:

1.Students could know the developments and applications of power electronics. [6, 8, 10]

2.Students could get familiar with the phenomena, standards and the associated control technologies of power quality. [1, 2, 5, 11]

3.Students could master the tools and approaches of digital simulation for power electronic equipments and systems. [1, 5, 11]

4.Students could learn the theories and system design of high performance AC driving systems. [1, 3, 5]

5.Students could get familiar with the utilization of renewable energy and the associated control means. [1, 6, 7, 8]

6.Students could get familiar with the key points and process of power electronic equipment design.[3, 11]

Course Topics:

1.Brief Introduction about modern power electronics

2.Modern power electronic devices

3.SVC, APF and PFC technologies

4.High performance AC driving systems

5.Photovoltaic and wind-electric systems

6.Design of power electronic equipments

7.Testing items and approaches of power electronic equipments


Design of DC/DC converters

 Understand and utilize typical DC/DC circuit topologies to design a PV controller, optimize the specifications of hardware and the parameters of control strategy by digital simulation.

EMI detection of power electronic equipments

 Investigate and understand EMI influences of power electronic equipments on power quality.

Experience of inverter product assembling

 Understand the configuration and manufactural technics of inverters.

Final term research project

 Design an inverter (configuration, specifications of main parts, layout etc.) for motor driving or PV grid-connected generation.

Course Assessment:

     Two experiments: 15 points for each.

     Two in-class presentations: 10 points for each.

     Final term research project: 50 points.