Electrical products which have LCD time counter, Layer sensor, Three-phase AC fault protection relay and so on.
其中电器类产品有液晶显示计时计数器、平层感应器、断相错相三相交流保护继电器等等。
It should be noted that the DC transmission system does not contribute to the fault current flowing in the AC system5 during the AC faults.
应注意到，直流输电系统并不会增加交流系统故障时的故障电流。 收藏。
AC fault security power source system is to provide alternating current for unit safety shutdown when power cut happens for a long time due to power grid failure or other reasons.
交流事故保安电源系统是当电网发生事故或其他原因致使火电厂厂用电长时间停电时，提供机组安全停机所必需的交流用电系统。
The testing results show that AC test mode can realize the fault diagnose of advanced digital networks completely.
测试实例研究表明，交流测试可以实现高级数字网络的故障诊断。
Based on the analysis of AC impedance and two poles voltage test data, the reason of turn - to - turn short circuit fault caused by having copper dregs in generator rotor winding was found.
基于交流阻抗和两极电压试验数据的分析，发现发电机转子绕组因存在铜渣而造成匝间短路故障的原因。
The QSS (Quasi Steady State) model of converter which neglects the negative impedance of DC system will bring some errors when unbalanced fault occurs in AC system.
当交流系统发生三相不对称故障时，忽略直流系统负序分量的准稳态模型将给交直流混合系统的仿真带来较大的误差。
But under fault condition, the system current is greater than the current of equivalent AC current source and the limiting resistance take effect immediately.
故障后，系统电流值远大于等效交流电流源值，限流电阻立刻自动投入限流。
A new excitation control strategy is proposed for the rotor side converter in an AC excited wind-power generator to allow the system to ride through the grid short-circuit fault.
提出一种电网短路故障时保持交流励磁风力发电机不脱网运行的新型励磁控制策略。
They provide system security and immediate reliable low level ground fault detection on three-phase AC resistance grounded or grounded electrical distribution systems.
此类继电器能够增加系统安全性，并对三相交流接地电阻或接地配电系统进行可靠的低级接地故障检测。
Through the cause analysis on the trip fault of AC filter breaker of Jiangling Converter Station, the hidden risk in GIS equipment was discovered. The tentative resolving measure was raised.
通过对江陵换流站交流滤波器开关跳闸故障原因的分析，发现GIS组合电器存在的重大隐患，提出了初步解决办法。
Acknowledge and in time effective protection of power semiconductors from fault current is of utmost importance for the reliable operation of AC equipment on electric locomotive.
电力半导体器件故障电流(特别是短路电流)的确认与及时有效保护，对电力机车交流装置的可靠工作至关重要。
The transient physical course of the AC excited generator (ACEG) and the reason for the rotor over current during the fault are analyzed.
分析了电网短路故障时交流励磁发电机的暂态物理过程和转子过电流的原因。
Finally, an example of ac motor fault diagnosis is studied to show the validity of the approach.
最后，通过实例的AC电机故障诊断的研究显示该方法的有效性。
Current compensation superconducting fault current limiter is a novel topology of FCL which consists of an equivalent AC current source with a limiting resistance in parallel.
电流补偿型超导限流器是一种新型的限流器拓扑，它由等效电流源、限流电阻并联后通过连接变压器串联入电力系统。
The fault trip of AC filter overload protection in Gezhouba converter station leaded to the out of service of all HP11/13 low-pass AC filters.
根据葛洲坝换流站一次双极停运事故的现象，指出过负荷保护误动作是这次事故的主要原因。
The fault trip of AC filter overload protection in Gezhouba converter station leaded to the out of service of all HP11/13 low-pass AC filters.
根据葛洲坝换流站一次双极停运事故的现象，指出过负荷保护误动作是这次事故的主要原因。
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