Method of Measuring Zero Sequence Capacitance of Parallel Grid Lines
A zero-sequence capacitance and line technology, which is applied in the field of measuring zero-sequence capacitance of parallel power grid lines, can solve problems such as high interference voltage, accurate measurement interference of line power frequency parameters, and threats to the safety of testers and instruments, achieving convenient use and simple testing Effect
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[0023] The method of measuring the zero-sequence capacitance of parallel power grid lines, its circuit structure is as follows figure 1 As shown, the circuit structure includes three-phase wires A, B, and C parallel to each other, a single-phase experimental power supply 1 connected to the three-phase wires via a connecting circuit, a mutual inductance measurement device 2 , and a distributed power generation device 3 . This method is to use single-phase experimental power supply 1, distributed power generation device 3 and mutual inductance measurement device 2 to measure zero-sequence capacitance. Grounding, the single-phase experimental power supply 1 is connected to one of the connection points of the three connection branches through the line, and the distributed power generation device 3 is connected to the ground terminal line of the mutual inductance measurement device through the line. In addition, the distributed The power generating device 3 is also connected to the...
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