The synchronized phasor measurement units (PMU) is significant to the wide-area protection and stability control in modern power system.
在现代电力系统广域保护和稳定控制系统中，同步相量测量单元（PMU）起着重要作用。
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。
Taking the full network observability of power system operation state and least number of phasor measurement units (PMU) as objective function, an improved optimal PMU placement algorithm is proposed.
以电力系统状态完全可观测和相量测量装置（PMU）配置数目最小为目标，提出了一种改进的PMU最优配置方法。
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