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

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晶閘管控制電抗器型動(dòng)態(tài)無(wú)功補(bǔ)償裝置分析與應(yīng)用

來(lái)源:電工電氣發(fā)布時(shí)間:2016-04-06 13:06 瀏覽次數(shù):16

晶閘管控制電抗器型動(dòng)態(tài)無(wú)功補(bǔ)償裝置分析與應(yīng)用 

張華軍,趙菁 
(中冶南方工程技術(shù)有限公司技術(shù)研究院,湖北 武漢 430223) 
 

摘 要: 介紹了晶閘管控制電抗器(TCR) 型無(wú)功補(bǔ)償裝置的各次諧波電流表達(dá)式,推導(dǎo)得到了電抗器電感量計(jì)算公式,分析了諧波無(wú)功功率與基波無(wú)功功率之間的關(guān)系。通過(guò)分析發(fā)現(xiàn)晶閘管控制電抗器諧波損耗在控制角α為140時(shí)與基波無(wú)功功率之比最大,在控制角α為102時(shí)最小,電抗器總無(wú)功功率在控制角α為102時(shí)最大,按照此時(shí)工況計(jì)算電抗器電感量能夠保證TCR 安全運(yùn)行。
關(guān)鍵詞: 晶閘管控制電抗器;動(dòng)態(tài)無(wú)功補(bǔ)償;諧波;電感量
中圖分類(lèi)號(hào):TM714.3 文獻(xiàn)標(biāo)識(shí)碼:A 文章編號(hào):1007-3175(2014)09-0039-03


Analysis and Application of Dynamic Var Compensator with Thyristor Controlled Reactor 

ZHANG Hua-jun, ZHAO Jing 
(Department of Technology Academe, WISDRI Engineering & Research Incorporation Limited, Wuhan 430223, China) 
 

Abstract: This paper introduced the expression of different harmonic current in thyristor controlled reactor (TCR) reactive compensation device and deduced the inductance formula of reactor. Analysis was made to the relationship between harmonic wave var and fundamental wave var. The results show that the ratio of harmonic wave loss to fundamental wave var is the biggest one at 140。control angle, while the ratio of that is the smallest one at 102。control angle. The total reactive power is the biggest one at 102。control angle. According to the working conditions, the calculation of reactor inductance can ensure safe operation of TCR.
           Key words: thyristor controlled reactor; dynamic var compensation; harmonic; inductance


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