electric protection relay的意思|示意

The dissertation attach to five AutoCAD drawings including the main electric connection, outdoor distribution equipment setting, the relay protection of generator, the decoration of protection scream.

包括电气主接线图、室外配电装置 图、发电机保护的原理接线图、展开图、保护屏的布置及端子排 接线图。

Among the devices used in a substation, intelligent electronic devices (IED) such as numerical relay protection, fault locator and digital electric transducer are getting popularized.

在牵引变电所的设备中，智能电子设备(IED)得到了越来越广泛的使用。微机保护、故障探测、数字式变送器等已逐步在牵引变电所推广使用。

In the system of relay protection of electric power, abnormal state information given by relay protection devices has two types: accident information message and warning information message.

在电力继电保护系统中，继电保护设备给出的异常状态信息报文通常可分为两类：事故信息报文和预告信息报文。

In power system, it can excite partial parallel resonance or serial resonance, enlarge the harmonic wave, trigger relay protection system in error and disturb electric power energy metering equipment.

在电力系统，它可以刺激局部并联谐振或串联谐振，放大谐波，引发继电保护系统误差和扰乱电力能源计量设备。

The clock signal provided by Global Positioning System(GPS)is widely used in electric power system for relay protection, SOE (Sequence of Events), fault locating, synchronous sampling and so on.

GPS同步时钟信号已在电力系统的继电保护、事件顺序记录、故障测距、同步采样等诸多领域获得重要运用。

The paper analyses about reserve protection's problem of relay protection, it must perfect reserve protection, only in this way, to assure electric wire netting and equipment's safe.

文章分析了有关继电保护后备保护的问题，认为必须完善后备保护，只有这样，才能保证电网和设备的安全。