Suzhou Electric Appliance Research Institute
期刊號(hào): CN32-1800/TM| ISSN1007-3175

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高壓直流斷路器及其控制系統(tǒng)設(shè)計(jì)

來源:電工電氣發(fā)布時(shí)間:2023-07-01 09:01 瀏覽次數(shù):330

高壓直流斷路器及其控制系統(tǒng)設(shè)計(jì)

金卓1,郭飛2,孫廣濤2
(1 內(nèi)蒙古平莊煤業(yè)(集團(tuán))有限責(zé)任公司,內(nèi)蒙古 赤峰 024000;
2 許昌繼保康耐特有限公司,河南 許昌 461000)
 
    摘 要:針對(duì)目前直流配網(wǎng)系統(tǒng)中直流斷路器及其控制系統(tǒng)的成本控制問題,提出了一種經(jīng)濟(jì)型混合式直流斷路器拓?fù)浼翱刂葡到y(tǒng)設(shè)計(jì)方案。分析了直流斷路器拓?fù)浣Y(jié)構(gòu)及控制原理,采用就地化光電轉(zhuǎn)換和模塊化設(shè)計(jì)思路,為直流斷路器控制系統(tǒng)的低成本化設(shè)計(jì)提供了可能。由于減少了電力電子器件,取消電容充電回路及無需水冷裝置等,使得該方案的經(jīng)濟(jì)性得到大幅提升。仿真結(jié)果表明,該經(jīng)濟(jì)型混合式直流斷路器及其控制方案的全電流清除時(shí)間約 20 ms,電流截?cái)鄷r(shí)間約 3 ms,均能夠滿足設(shè)計(jì)要求。
    關(guān)鍵詞: 直流斷路器;直流控制器;直流配網(wǎng)
    中圖分類號(hào):TM561     文獻(xiàn)標(biāo)識(shí)碼:A     文章編號(hào):1007-3175(2023)06-0027-04
 
Design of the High-Voltage DC Circuit Breaker and Its Control System
 
JIN Zhuo1, GUO Fei2, SUN Guang-tao2
(1 Inner Mongolia Pingzhuang Coal Industry(GROUP) Co., Ltd, Chifeng 024000, China;
2 Xuchang Jibao-Kangnaite Co., Ltd, Xuchang 461000, China)
 
    Abstract: An economical design scheme for hybrid DC circuit breaker topology and control system is put forward to solve the problem of cost control of the DC circuit breaker and its control system in the present DC distribution network system. The paper first analyzes the DC circuit breaker topology and its control principle, and then adopts the idea of localized photoelectric conversion and modular design to provide possibilities for the low-cost design of DC circuit breaker control system. Through reducing power electronic devices and canceling capacitor charging circuits and water cooling equipments, the economy of this scheme is greatly improved. The simulation results show that the full current clearing time of the economical hybrid DC circuit breaker and its control scheme is about 20 ms and its current truncation time is about 3 ms, which can meet the design requirements.
    Key words: DC circuit breaker; DC controller; DC distribution network
 
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