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PROTECTIVE RELAY WITH SYNCHRONIZED PHASOR MEASUREMENT CAPABILITY FOR USE IN ELECTRIC POWER SYSTEMS

机译:用于电力系统的具有同步相量测量能力的保护继电器

摘要

The relay system (10) obtains voltage and current values from a power line and uses a first sampling element to sample the voltage and current values at selected intervals of time. The resulting sampled signals are used for power system-wide protection, control, monitoring and metering. The sampled signals are then resampled at a rate which is a selected multiple of the power system frequency. The results of the resampling are used by processing circuitry for protection functions including fault determinations.
机译:继电器系统(10)从电力线获得电压和电流值,并使用第一采样元件以选定的时间间隔对电压和电流值进行采样。生成的采样信号用于电力系统范围的保护,控制,监视和计量。然后将采样信号以电源系统频率的选定倍数进行重新采样。重采样的结果被处理电路用于保护功能,包括故障确定。

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