低压电器
低壓電器
저압전기
LOW VOLTAGE APPARATUS
2009年
13期
53-55,59
,共4页
越级跳闸%速断保护%过流保护
越級跳閘%速斷保護%過流保護
월급도갑%속단보호%과류보호
override trip%fast-tripping overcurrent protection%overcurrent protection
研究了井下供电系统越级跳闸的产生原因,利用井下供电系统的特点,提出一种新型的智能连锁型速断保护方案,详细介绍了其实现方法及其各级电流保护配合过程.测试结果表明,该方法显著提高了矿井供电系统的安全水平.
研究瞭井下供電繫統越級跳閘的產生原因,利用井下供電繫統的特點,提齣一種新型的智能連鎖型速斷保護方案,詳細介紹瞭其實現方法及其各級電流保護配閤過程.測試結果錶明,該方法顯著提高瞭礦井供電繫統的安全水平.
연구료정하공전계통월급도갑적산생원인,이용정하공전계통적특점,제출일충신형적지능련쇄형속단보호방안,상세개소료기실현방법급기각급전류보호배합과정.측시결과표명,해방법현저제고료광정공전계통적안전수평.
The reasons of override trip in underground power supply system was studied.With the characteris-tics of underground power supply system,a new intelligent chain-type protection program was proposed.Its way to realize current protection with the process was introduced in detail.The result shows that the protection can improve the the safety level of the power supply system.
