Electricity-saving method for medium and low voltage distribution network
A low-voltage distribution network and distribution network technology, applied in the direction of AC network voltage adjustment, multi-phase network asymmetry reduction, multi-phase network elimination/reduction of asymmetry, etc. Or the system cannot coordinate optimal control and other problems in a unified way, so as to achieve the effect of easy operation, applicability and usability, and strong controllability.
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[0024] The invention adopts the connotative power-saving method, centering on the three core points of "balanced three-phase load", "optimization of reactive power flow" and "operating voltage regulation", without increasing or reducing the investment in the power grid, by establishing a medium and low voltage distribution network The power-saving decision-making level applies globally, firstly adjusts the three-phase active load on the low-voltage side of the station area to achieve the balance of the three-phase active load on the low-voltage side of the station area, and then compensates and adjusts the three-phase reactive power on the low-voltage side of the station area to realize Three-phase reactive power compensation and balance on the low-voltage side of the station area. On the basis of the reactive power balance on the low-voltage side of the station area and the power factor reaching the standard, the common compensation capacitor is further invested to realize zero...
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