A Stable and Fast-Transient Performance Switched-Mode Power Amplifier for a Power Hardware in the Loop (PHIL) System

Jianjun Sun, Chenxu Yin, Jinwu Gong, Yewei Chen, Zhiqiang Liao and Xiaoming Zha
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Jianjun Sun: School of Electrical Engineering, Wuhan University, Wuhan 430072, China
Chenxu Yin: State Grid Anhui Economic Research Institute, Hefei 230022, China
Jinwu Gong: School of Electrical Engineering, Wuhan University, Wuhan 430072, China
Yewei Chen: School of Electrical Engineering, Wuhan University, Wuhan 430072, China
Zhiqiang Liao: School of Electrical Engineering, Wuhan University, Wuhan 430072, China
Xiaoming Zha: School of Electrical Engineering, Wuhan University, Wuhan 430072, China

Energies, 2017, vol. 10, issue 10, 1-19

Abstract: Power Hardware in the Loop (PHIL) systems are used to test a power system with the help of combined software and hardware. Generally, to construct a PHIL system, a switched-mode power amplifier that has a stable performance is used, because of their large, linear signal control-to-output characteristics. However, the fundamental limitations of a switch-mode power amplifier (PA) are the dynamic performance and output bandwidth. In this paper, a compound controller has been used for the rectifier part of a PA, which can ensure the stability of a PA under transient or fault operating conditions. Moreover, a compound controller, which involves a feed-forward controller, a proportional controller and a repetitive controller, is proposed in the inverter part of a PA, and it can be used for PHIL applications. Experimental results are obtained under various operating conditions, such as transient responses under load step change, and output voltage bandwidth testing for a PHIL system, it is concluded that a proposed switched-mode power amplifier is useful for the PHIL system.

Keywords: power hardware-in-the-loop; power amplifier; compound controller; dynamic performance (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2017
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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