中壓直流斷路器內(nèi)部電弧特征分析與模型驗證
管紅立,鄒尊強(qiáng),崔曉靜,王啟龍
(河北工業(yè)大學(xué) 電磁場與電器可靠性省部共建重點(diǎn)實驗室,天津 300130)
摘 要:基于Cassie 和Schwarz 電弧模型,借助Matlab/Simulink 平臺,對中壓直流斷路器內(nèi)部電弧特性進(jìn)行仿真分析。采用參數(shù)掃描策略研究了每種模型的電弧電壓、電流的瞬態(tài)響應(yīng),確定了模型中每個參數(shù)對輸出結(jié)果的影響。通過對比仿真和實測結(jié)果,驗證了Schwarz 電弧模型的正確性,適用于中壓直流斷路器電弧研究。
關(guān)鍵詞:直流斷路器;直流電??;Cassie 模型;Schwarz 模型;中壓直流系統(tǒng)
中圖分類號:TM561;TM864 文獻(xiàn)標(biāo)識碼:A 文章編號:1007-3175(2016)12-0013-05
Analysis and Model Validation of Arc Characteristics Inside
Medium Voltage Direct Current Circuit Breaker
GUAN Hong-li, ZOU Zun-qiang, CUI Xiao-jing, WANG Qi-long
(Province-Ministry Joint Key Laboratory of Electromagnetic Field and Electrical Apparatus Reliability, Hebei University of Technology, Tianjin 300130, China)
Abstract: Based on Cassie and Schwarz arc models, with the help of Simulink platform in Matlab, this paper carried out simulation analysis for the arc characteristics inside medium voltage direct current circuit breakers. The parameter scanning strategy was used to research on the transient response of arc voltage and current for each model, so as to determine the impacts of each parameter in the model on the output result. Via comparing the simulation results with the experimental results, the correctness of Schwarz arc model is verified, which is suitable for the research of medium voltage direct current circuit breakers arc.
Key words: direct current circuit breaker; direct current arc; Cassie model; Schwarz model; medium voltage direct current system
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