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Transactions: WSEAS TRANSACTIONS ON POWER SYSTEMS
Transactions ID Number: 32-777
Full Name: Xing wu Yang
Position: Ph.D. Candidate
Age: ON
Sex: Male
Address: A0703191 Shanghai Jiao Tong University, No.800 Dongchuan Road Shanghai, China.
Country: CHINA
Tel: 13636614989
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E-mail address: yxw790930@sjtu.edu.cn
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Title of the Paper: An improved dc capacitor voltage detection technology and its FPGA implementation in the CHB-based STATCOM
Authors as they appear in the Paper: Xingwu Yang, Jianfei Zhao, Jianguo Jiang
Email addresses of all the authors: yxw790930@sjtu.edu.cn
Number of paper pages: 10
Abstract: In this paper, an improved single multiple-voltage (SMV) detection technology based on cascaded H-bridge(CHB) multilevel inverter-based static synchronous compensator (STATCOM) is introduced and it is realized using a Filed Programmable Gate Array(FPGA) by delay technology. The advantage of the improved SMV detector is that, it could save a lot of voltage sensors by using the inverter output voltage to detect the dc capacitor voltage of each H-bridge unit, meanwhile, it could get their mean value more accurately. Take into account delay time in detection circuit and control circuit, in order to transform this detection technology into practice, a novel delay technology is studied. Based on delay technology, an implementation method of the improved SMV detector using a FPGA is also introduced. The experimental results prove its feasibility and practicality.
Keywords: CHB inverter, static synchronous compensator (STATCOM), dc capacitor voltage detection, FPGA, delay technology
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