Dynamic phasor measurement system of phasor measurement unit (PMU), and measurement method thereof
A measurement system and dynamic phasor technology, which can be used in measurement devices, measurement of electrical variables, phase angle between voltage and current, etc., and can solve problems such as immature dynamic phasor measurement methods.
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[0023] The specific embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0024] A dynamic phasor measurement system of a synchronized phasor measurement device, comprising a current and voltage input module 1 , a satellite receiver 2 , a calculation module 3 , a communication module 4 and a memory module 5 . The current and voltage input module 1 includes a filter and an analog-to-digital conversion. After the input analog current and voltage are filtered out by the filter for high-frequency interference, the analog-to-digital conversion part converts the analog into a digital value, and the conversion result Enter Compute Module 3. The satellite receiver 2 obtains satellite timing, and the time can be changed from GPS satellites or Beidou satellites. The time signal output by the satellite receiver is input into the calculation module 3, in which the dynamic phasor is measured by the three-quarter fun...
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