3) short circuit malfunction
短路故障
1.
Automatic diagnosis system for monitoring short circuit malfunction of electric net in oilfield;
油田电网短路故障诊断系统
4) short-circuit fault
短路故障
1.
Research on overvoltage output of SPWM inverter after short-circuit fault disappears in a short time;
短路故障消除后SPWM逆变器输出过压问题研究
2.
The mathematical model for the short-circuit fault analysis and the realization of the program is discussed.
阐述了电力系统短路电流计算的原理,讨论了电力系统短路故障分析的数学模型及程序实现方法,并在分析短路电流计算原理的基础上通过可视化软件MATLAB建立了短路故障的模型,实现了其程序编制。
3.
The current signals caused by lightning strike without any fault or with fault and by common short-circuit fault are analyzed,and the characteristics are obtained: firstly,energy distributions of all frequency bands are differ.
在现有行波测距装置的基础上,提出线路受雷击和出现短路故障的识别新方法。
5) short circuit fault
短路故障
1.
The performance of STATCOM using optimal controller at short circuit fault and load step is compared with its performance when PI controller is adopted,and its affection to the voltage and reactive power is analyzed through simulation.
通过数字仿真,对比分析了STATCOM分别采用最优控制与传统PI控制时,在电网发生短路故障和负载阶跃工况下的性能,着重分析了其对电压和无功的影响。
2.
With increase of the capacity of power system,transformer faults caused by short circuit fault occurred now and then.
220kV变压器通常采用部分接地方式,因系统容量增加,短路故障引发变压器故障时有发生。
6) short circuit
短路故障
1.
In view of the trouble that short circuit occurred frequently in 110kV transfer substation,the method that uses change of 10kV side current of the main transfer substation to calculate the current of short circuit and infer accurate trouble point position and remove the trouble rapidly has been found out in practice to recover power supply.
针对天铁110kV变电站频繁发生短路故障问题,实践中摸索出根据主变10kV侧电流的变化,计算短路故障电流,准确推断故障点位置的方法,迅速排除故障恢复正常供电。
2.
On MATLAB simulation flat,after introducing the basic components,we can get ideal simulation results by designing,simulating and analyzing short circuit fault of a simple power system transmission line.
SimPowerSystems是专门为电力系统设计的仿真分析软件,在对其基本元件进行介绍后,在仿真平台上,通过对一个简单的电力系统输电线路的短路故障进行设计、仿真、分析,得到了理想的仿真效果。
补充资料：单相短路电流
分子式：
CAS号：
性质：一相导体与保护导体发生短路时流经相-零回路的电流。单相短路电流是评价和设计保护接零系统设计的基本要素。保护接零系统的单相短路电流不应小于低压断路器瞬时动作或短延时动作过电流脱扣器的整定电流的1.5倍；不应小于低压熔断器熔体额定电流的4倍。
CAS号：
性质：一相导体与保护导体发生短路时流经相-零回路的电流。单相短路电流是评价和设计保护接零系统设计的基本要素。保护接零系统的单相短路电流不应小于低压断路器瞬时动作或短延时动作过电流脱扣器的整定电流的1.5倍；不应小于低压熔断器熔体额定电流的4倍。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条