接地保护

外加电源式定子接地保护影响因素的分析

Influencing factors of stator ground-fault protection with outside sources

大型发变组定子绕组接地保护的研究

The Analysis of Large Generator-Transformer Stator Ground-Fault Protection

国内某电厂的定子接地保护拒动起因于不正确的PT接线。

Failure to operation of stator winding grounding fault occurred in a domestic power plant resulted from false PT secondary connection .

外壳选用PTFE材料，内部使用外包PFA的电阻丝，含安全接地保护。

It is made of PTFE shell , its resistance wire is capsuled with PFA and grounding wire for safety .

关于黑龙江省600MW机组定子接地保护时限定值的探讨

Stator Ground Protection Time-Lag for 600 MW Generator in Heilongjiang

浅谈防雷接地保护500kV变电站的防雷接地问题探讨

Discussion on grounding protection against thunder and lightning

6kV～10kV配电变压器单相接地保护

The Single-phase Earthing Protection for 6kV ~ 10kV Distribution Transformer

大型发电机组定子接地保护3U0定值整定的探讨

Discussion about stator grounded protection 3U_0 setting in large power plant

鹤岗发电有限公司300MW发电机励磁回路接地保护改造分析

Improved analyses of grounding protection in excitation circuit for Hegang power generation Co. , Ltd 300 MW generator

山西阳光发电有限责任公司2号发电机3U0定子接地保护误动原因分析

Cause Analysis of Stator Earthing Protecting Malfunction in Yangquan No.2 Power Plant 3U

哈三电厂600MW发电机100%定子接地保护拒动分析

Analysis on Operation Rejection of 100 % Stator Ground Protection for 600 MW Generator of Harbin No.3 Power Plant

50MW发电机定子绕组接地保护设置探讨

Approach of Earthing Protection Disposition about 50 MW Generator Stator Winding

高准确度外加20Hz电源定子单相接地保护的研制

Development of a high accuracy stator ground fault protection by injecting 20 Hz voltage

浅谈转子一点接地保护在三峡700MW水轮发电机组中的应用

Application of Rotor Earth Fault Protection in Three Gorges Power Station

煤矿6kV高压选择性接地保护原理及应用分析

Selective ground protecting principle and application analysis of 6 kV high voltage using in coal mine

20Hz注入式定子接地保护在700MW水轮发电机组中的应用

Application of 20 Hz Injected Stator Grounding Protection in 700 MW Hydro-turbine Generator Sets

EST-3.5电动铲运机接地保护箱的技术改造

Technical Innovation of the Earthing Device on EST-3.5 Electric DHL

煤矿6kV电网消弧线圈补偿对高压选择性接地保护装置的影响

Arc Extinction Coil Compensation of Coal Mine 6 kV Network Affected to High Voltage Selective Grounding Protection Device

介绍了叠加法交联聚乙稀（XLPE）绝缘电力电缆绝缘在线监测中的接地保护措施，包括放电管、大电流放电间隙保护器、继电保护器等。

Several safety grounding measures used for the online monitoring of water-treeing in XLPE cables using the voltage supposition method , such as discharge tube , large-current discharge gap and relay protection , are presented .

WLD-6型接地保护装置的应用与消弧补偿装置的改进

Application of WLD-6 Type Earth Protective Device and Improvement of Arc Extinction Compensate Device

BDD-4型定子接地保护原理分析

Grounding Protection of BDD-4 Stator

结合50MW发电机定子绕组接地保护的设计，探讨如何完善定子绕组接地保护的设置，并提出详细的改进方案。

Combined with the design of the 50 MW generator stator winding earthing protection , this paper approaches the optimum scheme of the protection disposition .

750kV并联电抗器新原理的匝间短路及单相接地保护研制

Research and design on 750 kV parallel connection reactor new theories of the turn-to-turn short circuit and single phase earthing protection

通过对黑龙江省600MW发电机定子接地保护的分析，并结合国内外发电机定子接地保护选取的原则，对600MW发电机定子接地保护减小时限定值的可能性进行了讨论。

By analyzing stator ground protection of 600 MW generator in Heilongjiang and following foreign and domestic established guidelines for stator ground protection time-lag , explores the possibility of decreasing the time-lag for the 600 MW generator .

根据QFS602型双水内冷发电机特点，对其定子接地保护典型设计回路中存在的问题以及应采取的改进措施进行了分析和讨论。

According to the characteristic of the QFS-60-2 generator with double inside water cooling system , it analyses the problems in the typical designed earthing protection loop of the stator and the measures of improvement .

分析EST-3.5电动铲运机接地保护箱工作原理及使用情况，针对存在的问题，提出改造措施，满足矿山的生产、安全要求。

The paper analyzes the working principle and the application of the earthing device on EST-3.5 DHL based on the existing problems , puts forward modification measures to meet the requirement of safe production in mine .

外加20Hz电源定子接地保护在发电机中性点经配电变压器高阻接地方式下已有很多工程应用，但其在中性点经消弧线圈接地的发电机上还没有成功的应用经验。

At present there are no successful application experiences of injecting 20 Hz voltage based ground fault protection for generators grounded via Petersen-coil , although it has been adopted in some power stations , where the neutral of generator is grounded via distribution transformer paralleled resistance on secondary side .

故障分量发电机定子单相接地保护应用研究

New Differential Protection Research for Generator Stator Single Phase Ground Fault

单相高阻接地保护装置的研制

A Study on Single Phase High Impedance Protect Set Earthing Measurement

大容量发电机定子接地保护改造过程的分析

Analysis on reconstruction of stator grounding protection for large capacity generator