Voltage and current split type electric energy quality measuring device and method for intelligent substation
A technology for intelligent substation and voltage measurement, applied in the direction of measurement device, measurement of electricity, measurement of electric variables, etc., can solve the problems of inability to measure high-order harmonic measurement indicators, incompleteness, etc., and achieve the effect of solving incomplete measurement indicators
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[0019] Such as figure 1 , figure 2 As shown, a voltage and current split-type power quality measurement device for smart substations of the present invention includes: a voltage measurement module 1, a current measurement module 2, a voltage signal measurement channel 3 on the voltage measurement module 1, and a current measurement module 2. The current signal measurement channel 4, the voltage measurement module 1 and the current measurement module 2 each have a high-precision clock wireless synchronization module 5. The voltage measurement module 1 and the current measurement module 2 are independent devices, which respectively collect analog waveform sampling signals of voltage and current, and can be used for independent measurement or in combination flexibly.
[0020] The invention relates to a voltage and current split-type power quality measurement method for an intelligent substation, comprising the following steps:
[0021] Step 1: The voltage signal measurement ch...
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