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。
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。
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.
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