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1)  positive phase protection
正序保护
1.
This paper introduce the principle and fixed match of Zhuhai Wanlida MMPR-20H-T1 microcomputer s positive phase protection .
本文介绍分析了珠海万力达MMPR-20H-T1微机正序保护动作的原理与整定,并通过空压机三次跳测车事故分析,即空压机正常运行时,MMPR-20H-T1微机三次正序保护动作分析,发现是保护装置中的正序保护延时定值有些问题,造成微机正序保护动作,空压机跳车。
2)  just procedures of protection
正当程序保护
3)  zero-sequence protection
零序保护
1.
Discussion on implementation of zero-sequence protection for transformer;
对变压器零序保护实现方式的探讨
2.
The end earth fault of big power source and long line makes zero-sequence protection appearing serious problem that protecting refused to move because the voltage of zero-sequence is low,and become a new difficult point that zero-sequence protection in practical application.
大电源长线路末端接地故障使零序保护出现因零序电压过低而使保护拒动的严重问题,成为零序保护在实际应用中的新难点。
4)  zero sequence protection
零序保护
1.
Study on the misoperation mechanism of zero sequence protection of grounding transformer on low resistance grounded 10 kV system;
10kV小电阻接地系统接地变压器零序保护误动机理研究
2.
It analysed influence and contermeasure of 10 kV neutral point earthing through minute resistance,and put forwards some ways of minute resistance value choice and zero sequence protection allocation.
分析10 kV中性点经小电阻接地带来的影响及对策,提出了小电阻阻值选择的一些方法及零序保护的配置。
3.
The influence to the bus equivalent zero sequence impendance and zero sequence protection from the different neutral point earthing mode of the transformer s 110 kV side were specifically analyzed.
 讨论了2台Y0/Y0/Δ接线且无绝缘要求变压器的220kV变电站的变压器中性点几种常见的接地方式,并就变压器110kV侧中性点接地方式对母线等值零序阻抗及零序保护的影响做了具体分析。
5)  Phase sequence
相序保护
6)  negative sequence protection
负序保护
1.
Based on the analysis of main fault types of LV(Low Voltage) flameproof motor,the negative sequence protection principle is proposed for its asymmetric short circuit fault and open phase fault.
通过分析低压隔爆电动机的主要故障类型,针对不对称性短路故障和断相故障提出了采用负序保护原理进行保护的方案。
补充资料:序正流通三分
【序正流通三分】
 (名数)凡释经论,以分序正流通之三分为法:一序分,最初叙其经发起理由因缘即缘起之部分也。二正宗分,次正应其缘起而说法门之部分也。三流通分,终说以所说之法门付嘱弟子或国王等使流通于遐代之部分也。是为秦道安所创始,以作万世之洪范者也。
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