高壓晶閘管閥背靠背運行試驗回路研究
張劍銳1，劉步峰1，樓曉峰2，3，胡醇3
(1 特變電工沈陽變壓器集團有限公司自動化分公司，遼寧 沈陽 110144；
2 西安電力電子技術研究所，陜西 西安 710061；
3 蘇州電器科學研究院股份有限公司，江蘇 蘇州 215104)
摘 要：設計了一種背靠背型的晶閘管閥運行試驗回路，該回路既可以作為晶閘管閥電流試驗平臺使用，也可以作為無功補償設備( 如SVC、SVG) 的長時間運行試驗平臺。該回路的設計參照高壓直流輸電(HVDC) 中背靠背(BTB) 直流系統的參數計算，實現大直流電流運行，并且將有功能量返回，使整套系統的能耗大大降低。經仿真分析驗證了設計參數的正確性，為晶閘管閥的合成試驗回路奠定了基礎。
關鍵詞：晶閘管閥；無功補償設備；背靠背；運行試驗
中圖分類號：TM645 文獻標識碼：A 文章編號：1007-3175(2015)07-0043-03
Research on Back-To-Back Operational Test Circuit for High-Voltage Thyristor Valves
ZHANG Jian-rui1, LIU Bu-feng1, LOU Xiao-feng2,3, HU Chun3
（1 TBEA Shenyang Transformer Group Co., Ltd Branch Automation, Shenyang 11 0144, China;2 Xi'an Power Electronics Technology Institute, Xi'an 710061, China;3 Suzhou Electrical Apparatus Science Academy Co., Ltd, Suzhou 215104, China）
Abstract: This paper designed a back-to-back (BTB) operational test circuit for high-voltage thyristor valves, which could be used as the current test platform for thyristor valves, but also be used as the long-turn operational test platform of reactive power compensation equipment, such as SVC, SVG. With the reference to the BTB DC system of HVDC transmission parameter, the circuit was designed to realize large DC current operation and returned the active power, so that the energy consumption of the entire system is greatly reduced. The computer simulation was carried out to verify the correctness of the design parameters, so as to lay the foundation for synthetic test circuit of thyristor valves.
Key words: thyristor valve; reactive power compensation equipment; back-to-back; operational test
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