Research on Phase Difference Calculation Method Based on Signature Curve
The existing wireless secondary phase detector is capable of progressively analyzing sampled data.It intelligently com-pares the maximum and minimum values considering errors when comparing the voltages of new and old equipment,subse-quently yielding the result of secondary phase detection.However,this detector is limited to situations where both new and old devices are connected in a star configuration,rendering it ineffective when the connection modes differ between the two devices.This paper investigates the signature curve algorithm and derives a linear relationship between the similarity and phase differ-ence of two curves,enabling secondary phase detection in any scenario.
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