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Apparatus and method for estimating synchronized phasors at predetermined times referenced to a common time standard in an electrical system
Apparatus and method for estimating synchronized phasors at predetermined times referenced to a common time standard in an electrical system
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机译:参照电气系统中的公共时间标准在预定时间估计同步相量的设备和方法
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摘要
An apparatus and method estimates a plurality of synchronized phasors at predetermined times referenced to a common time standard in an electrical power system. The method includes acquiring and determining a frequency of a power system signal, sampling the power system signal at a sampling interval rate based on a frequency of the power system signal to form signal samples, and generating a plurality of acquisition time values based on an occurrence of each of the signal samples at a corresponding plurality of different times referenced to the common time standard. The method further includes adjusting a phasor of each of the signal samples based on a time difference between a corresponding selected acquisition time value and a predetermined time referenced to a common time standard to form the plurality of synchronized phasors.
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