40.5 kV/31.5 kA限流熔斷器開斷試驗(yàn)方式1試驗(yàn)研究與分析
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摘 要:
針對(duì)一檔40.5 kV/31.5 kA限流熔斷器開斷試驗(yàn)(方式1)單相試驗(yàn)過(guò)程中出現(xiàn)熔斷器本體炸裂,產(chǎn)品處出現(xiàn)相對(duì)地拉弧的現(xiàn)象,根據(jù)試驗(yàn)參數(shù)并結(jié)合所選取的試驗(yàn)回路進(jìn)行分析,提出這種試驗(yàn)回路對(duì)于單相試驗(yàn)帶來(lái)的影響。對(duì)于相對(duì)地拉弧現(xiàn)象進(jìn)行仿真分析,并給出了試驗(yàn)回路的優(yōu)化措施。
關(guān)鍵詞:
限流熔斷器; 開斷試驗(yàn); 單相試驗(yàn); 試驗(yàn)回路; 拉弧
中圖分類號(hào): TM563
文獻(xiàn)標(biāo)志碼: A
文章編號(hào): 2095-8188(2024)09-0060-04
DOI:
10.16628/j.cnki.2095-8188.2024.09.009
Experimental Study and Analysis on Breaking Test Method 1 of 40.5 kV/31.5 kA Current Limiting Fuses
PENG Jianfei, HU Dingyin, YI Pengfei
(Xi’an High Voltage Electrical Apparatus Research Institute Co.,Ltd., Xi’an 710077, China)
Abstract:
The single-phase test of a 40.5 kV/31.5 kA current limiting fuse (Method 1) is focused, where the fuse body explodes and the product experiences relative ground arcing.Based on the test parameters and the selected test circuit, the experimental analysis is conducted,and the impact of this test circuit on this single-phase test is proposed.The simulation analysis is conducted on the phenomenon of relative ground arc pulling.Finally,the optimization measures for this test circuit is provided.
Key words:
current limiting fuse; breaking test; single phase test; test circuit; arcing
0 引 言
熔斷器在電力系統(tǒng)中的應(yīng)用已經(jīng)有上百年的歷史,高壓限流熔斷器能夠比斷路器更快地切斷短路電流,而且價(jià)格低廉,被廣泛用于保護(hù)發(fā)電機(jī)、變壓器、開關(guān)柜等重要設(shè)備。(剩余3789字)