A method for measuring and verifying the energy saving of power supply and distribution lines
A technology for power supply, distribution and energy saving, applied in the direction of measuring electricity, measuring devices, measuring electrical variables, etc., can solve the problems of lack of unified standards for processes and methods, inability to energy-saving technology and product testing and evaluation, etc., to ensure energy-saving economic benefits, The effect of reducing manpower and simplifying the process
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[0030] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0031] The total power loss ΔP of the power supply and distribution system line L Including conduction loss to ground P G and line load loss P R Two parts, since the line-to-ground conductance loss is mainly caused by insulator leakage and corona, when the user's power supply voltage is 110kV and below, it can be ignored; line loss generally refers to line load loss, which is related to current carrying capacity, operating voltage, It is related to line type, transmission distance and load distribution along the line. The mathematical expression is:
[0032] Δ P L = 3 I 2 R = P 2 R U ...
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