Power compensation optimizing method used in electric energy meter replacement in live working state based on least square method curve fitting
A least square method and curve fitting technology, applied in the direction of measuring electrical variables, measuring devices, instruments, etc., can solve problems such as non-electric power compensation methods, large errors in load changes, and affecting power transactions between power companies and power customers. To achieve the effect of ensuring accuracy
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[0010] The specific implementation manner of the present invention will be described in further detail below in conjunction with the accompanying drawings and specific examples.
[0011] Such as figure 1 As shown, the present invention is a least square method curve fitting-based method for optimizing the power recovery of live energy meters, including the following steps: first, before performing the meter replacement operation, the voltage of the three-phase electric energy meter field calibrator device is connected and connected. Connected to the loop, the current wiring is connected in series to the loop. Reliably short-circuit the secondary current test terminal of the replaced electric energy meter when performing meter replacement operation, and measure the current value through the clamp ammeter to judge whether the short-circuit is reliable, and start the stopwatch to record the meter replacement time. Use the three-phase electric energy meter on-site calibrator to o...
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