Research on a fault phase selection algorithm based on fault transient voltage;
基于故障暂态电压的故障选相算法的研究
The traditional simulating calculation of transient voltage distribution in the power transformer windings is a subject about which many papers have been written,but results of them need program.
传统对电力变压器绕组中暂态电压分布的仿真计算有多种,但均需编程计算而得,为此提出了一种适用于PSpice仿真的电力变压器绕组中暂态电压分布的电路模型,并对该变压器雷电过电压时的暂态电压分布及正常运行电压分布进行了仿真,结果表明该模型可表达绕组暂态时的表现,且大大简化了计算过程。
The system has the character of simple structure,excellent performanee and stability,and can be used for the measurement of different transient voltage in power system.
作者研究了一种采用电容式探头直接测量带电体表面电场强度以实现电压测量的测量系统,该系统的特点是结构简单、测量性能优良、稳定性好,可用于电力系统各种暂态电压的测量。
It can be concluded that the results from the short-circuit current calculation method based on transient reactance can get a smaller short-circuit current than the one from regular calculation method with enough margin.
同时,通过计算上海电网基于暂态电抗Xd′的短路电流周期分量,并将其计算结果分别与基于次暂态电抗Xd″的计算结果以及PSS/E机电暂态仿真得出的结果进行比较分析。
For the large generator stricken by the operational over-voltage in power stations,a field-circuit analysis method of transient over-voltage is presented to study the transient over-voltage field-circuit model of large generator.
针对在厂站操作过电压冲击下的大型发电机,建立一种暂态过电压的场路分析方法,研究大型发电机的暂态过电压场路分析模型。
Based on that,the power system of Yangtze River Delta region was used as an equivalent typical multi-infeed HVDC model,and the traditional SCR/ESCR,multi-infeed SCR/ESCR,the multi-infeed interaction factor,and the transient over-voltage were calculated.
对长三角多馈入直流输电系统进行等值,计算了各直流系统的传统短路比/有效短路比、多馈入短路比/有效短路比、多馈入相互作用因子,以及工频暂态过电压,并对淮南—上海特高压交流线路投产的影响进行了敏感性分析。
It will generate the transient overvoltage when the inductive or capacitive load is severed by the vacuum breaker,the reason is introduced in this paper;and methods about suppressing this overvoltage is discussed.
通过分析研究高压真空断路器在切断感性载和容性负载时产生暂态过电压的原因,探讨了抑制过电压的具体措施。
It is concerned what corona will do on the transient overvoltage between contacts of switch.
基于线路的库-伏特性,并用简单的电路模型来模拟输电线路电晕特性,研究了进线开关在额定电压为600kV的MOA保护下触头间暂态过电压。
The occurrence rate of transient overvoltages, the test requirements of electromagnetic compatibility and insulation coordination specified in IEC standards are presented in this paper.
本文针对电子设备中普遍存在暂态过电压这一事实 ,介绍了暂态过电压的发生率和IEC标准中对低压设备做雷电浪涌抗扰性试验的电磁兼容和绝缘配合的要求 ,并给出了一种用于这种试验的电路原理图及方
Compressed Recording Technique for Power System Transient Voltage Waveform
电力系统暂态电压波形压缩记录技术
Study on Transient Voltage Protection Principles for EHV Transmission Line
超高压输电线路暂态电压保护原理的研究
Transient Voltage Protection Algorithm for EHV Transmission Lines
一种超高压输电线路暂态电压保护算法的研究
Study of Transient Voltage Responses at Neutral Point of Transformers with a Surge Incoming from Winding Terminal
变压器首端进波中性点暂态电压响应的研究
Research on Transient Voltage Stability of Multi-contigencies in Fujian Power System
福建电网故障扰动下的暂态电压稳定性研究
Transient voltage stability of received power grid in AC/DC hybrid power systems
交直流混合系统受端电网暂态电压稳定分析
ELECTROMAGNETIC TRANSIENT ANALYSIS OF MULTI STEP OVERVOLTAGE PROTECTION CIRCUIT FOR AC MAINS
电源多级过电压保护的电磁暂态分析
Research about the Transient Current Protection Relay for HV/EHV Transmission Line
超高压输电线路暂态电流保护的研究
Analysis on Over-voltage and Transient Current of Feng-wu Line in Xinjiang
新疆凤乌线过电压及暂态电流的分析
Study on the Transient Protection Principles for EHV Transmission Line
超高压输电线路暂态保护原理的研究
Research on Power Frequency Transient Over-voltage in 1000 kV UHV Transmission Line from Jincheng to Jingzhou via Nanyang
1000kV晋南荆线工频暂态过电压研究
Calculation of VFTO in 750 kV GIS
750kV GIS中快速暂态过电压的研究
Test Technology of VFTO in GIS
GIS中快速暂态过电压的测试技术
Study on the Non-unit Current Transient Protection Principles for EHV Transmission Line;
超高压输电线路单端暂态电流保护原理的研究
An Analysis on the Dynamic Solution of the Series of Capacitor′s Voltages by Means of Complex Freguency Field Analysis Method;
复频域分析法分析串联电容电压的暂态解
Very Fast Transient Overvoltage Field Testing in the 750 kV Guanting Gas Insulated Substation
750kV官亭变电站GIS特快速暂态过电压测试
Simulation Reaserch on Transient Over-voltage at 500 kV Substation Secondarye Equipment of during Transient over-voltagel Lightning Strike
500kV变电站二次设备雷击暂态过电压仿真研究
Effect of Very Fast Transient Over-voltage on Shunted Capacitor in Circuit-breaker
快速暂态过电压对断路器中并联电容的影响
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