jkwu-12series of reactive power automatic compensation controllers, the man-machine dialogue interface adopts lcd dot matrix liquid crystal display, the navigation five-button design, the touch sensitive and fast, supports multi-language man-machine interface, the harmonic data supports bar graph report display at the same time, three days compensation history curve is displayed in real time on this machine. the machine has 12 outputs for reactive power compensation. it is equipped with a standard rj45 communication port. it can be connected to 6 mk-16 intelligent modules. each module provides 16 compensation output interfaces. power compensation output, this machine comes standard with gprs interface, which is convenient to connect to 4g network module, the system can be expanded at any time (current module, temperature module, i/o module), and the operation and maintenance system and mobile app run safely for the user's intelligent power distribution system and maintenance guarantee.