Combination voltage-controlled and current-controlled PWM inverters for parallel operation of UPS

Jiann Fuh Chen, Ching Lung Chu

研究成果: Conference contribution

5 引文 斯高帕斯(Scopus)

摘要

In this paper the scheme of combination Voltage-Controlled and Current-Controlled PWM inverters for parallel operation of single-phase UPS is proposed. The Voltage-Controlled PWM Inverter (VCPI) unit as a master is developed to keep a constant sinusoidal wave output voltage. The Current-Controlled PWM Inverter (CCPI) units as a slave are controlled to track the distributive current. The power distribution center (PDC) performs the function of distributing the output current of each active unit. In this proposed scheme of parallel operation, each of the units can be designed nearly independent, and the CCPI units do not need PLL circuit for synchronization. As a result, the parallel operation of UPS is easy to implement and expand system capacity. For the purpose of illustration, the system, including three single-phase units which are operation in parallel, will be analyzed and experimental.

原文English
主出版物標題IECON Proceedings (Industrial Electronics Conference)
編輯 Anon
發行者Publ by IEEE
頁面1111-1116
頁數6
ISBN(列印)0780308913
出版狀態Published - 1993
事件Proceedings of the 19th International Conference on Industrial Electronics, Control and Instrumentation - Maui, Hawaii, USA
持續時間: 1993 十一月 151993 十一月 18

出版系列

名字IECON Proceedings (Industrial Electronics Conference)
2

Other

OtherProceedings of the 19th International Conference on Industrial Electronics, Control and Instrumentation
城市Maui, Hawaii, USA
期間93-11-1593-11-18

All Science Journal Classification (ASJC) codes

  • 控制與系統工程
  • 電氣與電子工程

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