Statistical evaluation method for power factor of distribution network circuit
A technology of line power and power factor, applied in electrical digital data processing, reactive power adjustment/elimination/compensation, calculation, etc., can solve the problems of reactive power power factor influence, transformer should not run without load, etc.
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[0014] In order to clearly illustrate the technical features of the solution, the solution will be described below through a specific implementation mode combined with the accompanying drawings.
[0015] As can be seen from the accompanying drawings, a statistical assessment method for a grid line power factor of this program is characterized in that it includes the following steps:
[0016] a, Divide a line into multiple time segments
[0017] b, to determine a certain period of time for statistical analysis,
[0018] c, read the active power, reactive power, voltage information and current information of this line marked as true in the database of the time period,
[0019] d, according to the formula Calculate the power factor of this line, where Q is reactive power, P is active power,
[0020] e. According to the comparison between the upper and lower limits of the set power factor assessment and the calculated power factor, it is judged whether it is qualified, and at ...
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