method for regulating a voltage in a distribution network, device for a node and distribution network

摘要

patent and method: "method and device for regulating a voltage in a distribution network". The present invention relates to a method for regulating a voltage (u) in a distribution network (vn) that supplies nodes (kn) with voltage across main power lines (nl). in said method, a node (kn), which recognizes that the local voltage of the distribution network (vn) present in said node is above or below a permissible supply voltage range, switches from slave mode (sb) to master (mb) and in said master mode (mb) regulate the local voltage (u) that is present by the withdrawal or supply of reactive power (q) in order to reach the allowable supply voltage range. node (kn) then indicates this to the other nodes (nk) of the distribution network (vn) that are in slave mode (sb) by modulating an indication signal pattern (asm) for the reactive power (q) being withdrawn. or fed by said node, the signal pattern having a signal parameter that is proportional to the amplitude of the reactive power (q) that is withdrawn or fed by said node (kn).