GPS based synchronous phasor measurement Units (PMU) which have been successfully developed and equipped in power systems in recent years can provide bus voltage phasor measurements.
近几年开始装备于电力系统的基于GPS的同步相量测量单元(PMU)能够测量节点的电压相量，而且具有相当高的精度。
The application of GPS in the transmission line travelling wave fault location and synchronous phasor measurement is discussed in the paper. The composition and principle of GPS are also presented.
文中讨论了GPS在电力系统的输电线路故障测距、同步相量测量等方面的应用，并较详细地介绍了GPS的组成和测量原理。
The application of GPS in the transmission line travelling wave fault location and synchronous phasor measurement is discussed in the paper. The composition and principle of GPS are also presented.
文中讨论了GPS在电力系统的输电线路故障测距、同步相量测量等方面的应用，并较详细地介绍了GPS的组成和测量原理。
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