Voltage regulation device for 10kV power distribution network system, installation method and voltage control method

The invention discloses a voltage regulation device for a 10kV power distribution network system, an installation method and a voltage control method, and discloses a voltage regulation device for a maintenance-free 10kV power distribution network system, which realizes comprehensive control of line voltage and reactive power through automatic regulation of an on-load voltage regulation tap and automatic switching of a compact intelligent capacitor device. Further, the qualified rate of line voltage is improved, loss caused by reactive power transmission is effectively reduced, and it is ensured that the system voltage and the power factor are within the specified range. Meanwhile, the voltage control method of the voltage regulation device comprises optimization model construction based on node weighting and voltage offset and a voltage optimization control method based on a sine and cosine optimization algorithm, and through the control method, the voltage regulation device can be effectively controlled, an