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- stator single - phase grounding fault 定子绕组单相接地
- Discussion on Single Phase Grounding Fault Protection Mode of Large-scale Generator Stator Winding 大型发电机定子绕组单相接地保护方式的商榷
- An opinion on a single phase grounding fault in a 500 kV line 对一次500kV线路单相接地事故的一点想法
- The harmonic wave of current, when single phase grounded fault happened, can’t be eliminated by mounting Petersen-coil.The damage of arc-grounding overvoltage appeared. 而在单相接地的残余电流中含有较大的高次谐波,是加装消弧线圈也无法消除的,这使得弧光接地过电压的危害凸显出来。
- Method of single phase grounding fault locating for FTU in networks with ungrounded neutral 配合FTU的小电流系统单相接地故障定位方法
- Method of wavelet packet line selection for the single phase grounding fault of distribution electric network system 配电网单相接地故障的小波包选线方法
- Practical Method of Locating and Isolation for Single Phase Grounding Fault Section of Feeders in Distribution Networks 一种实用的馈线单相接地故障区段定位与隔离方法
- INFLUENCE OF SYNCHRONIZING SIGNAL ON SINGLE PHASE GROUNDING FAULT OF THYRISTOR CONTROLLED SERIAL COMPENSATION AND ITS CONTROL STRATEGY 同步信号对可控串补在单相接地故障时的影响及控制对策研究
- RESEARCH ON A NEW METHOD OF LOCATING AND ISOLATING SINGLE PHASE GROUNDING FAULT SECTIONS OF FEEDERS IN DISTRIBUTION SYSTEM 配电网馈线单相接地故障区段定位和隔离新方法研究
- Fault line detecting with zero sequence active power and optimization of single phase grounding fault disposing process with neutral grounding via arc extinguishing coil system 零序有功选线与消弧线圈接地系统单相接地故障处理过程优化
- A NEW METHOD OF LOCATING AND ISOLATION FOR SINGLE PHASE GROUNDING FAULT SECTION OF FEEDERS IN POWER DISTRIBUTION NETWORK BASED ON NEW TYPES OF DISTRIBUTION AUTOMATION SWITCHGEAR 基于新型配电自动化开关的馈线单相接地故障区段定位和隔离方法
- single phase grounding fault 单相接地故障
- single- phase grounding fault 单相接地故障
- stator grounding fault protection 定子接地保护
- The PG rotation direction is set to A phase ahead when the motor iscorotation.If the pluses ofA and B phase arereversed, the motor will not run. PG的旋转方向设置为电机正转时A相超前,如接线时A相脉冲与B相脉冲接错,会发生电机无法转动现象。
- A new way for treating with the single phase grounding fault in non-valid grounded systems 处理小电流接地故障的新思路
- However, some unique geographical characters, such as fire grounding, bamboo grounding and treetop grounding, can cause single phase high-impedance grounding fault frequently. 然而,由火焰接地、毛竹接地或树梢接地等原因引起的单相高阻接地故障,由于电压降小、三相线间电压依然几乎对称,从而增加了高阻接地检测的难度。
- TAI Neng-ling,YIN Xiang-gen.Single-phase grounded fault protection schemes of generator stator based on orthonormal wavelet.Automation of Electric Power Systems,2001,25(1):34-37. [7]邰能灵;尹项根.;正交小波在发电机定子单相接地保护中的应用[J]
- After adding element Al, Nd 2Fe 15 Al 2 phases segregate near to the grain boundary of the magnetic Nd 2Fe 14 B phase, which leads to the improvement of coercivity of magnets. 对于晶间添加Al元素的磁体 ,Al溶入晶间形成Nd2 Fe15Al2 相弥散地分布在晶界上 ,这有益于磁体矫顽力的提高 ;
- However, in this system serious over voltage may occur due to arc grounding fault. 然而,在此系统中可能由于电弧接地故障而出现严重过电压。