基于GPS的同步相量测量单元（PMU）是一种新型的高精度测量装置，能够测量母线电压相量和支路电流相量。

Phasor measurement unit(PMU)based on GPS is a new and precise measuring device, which can be used to measure bus voltage phasor and branch current phasor.

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着重介绍电网实时相量监测系统中的基本功能单元——同步相量测量装置的原理和实现方法。

The basic function unit of real-time phasor monitoring system for power network-synchronized phasor measurement unit was proposed.

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