The product is based on three-level technology of power electronics products. The full digital control system is adopted to realize the functions of precise collection, coordinated calculation and quick response output; the modular design is adopted to facilitate installation and maintenance, and flexible composition of various types of compensation devices of various capacities can be made use of space to install in the spare space of the distribution system without special equipment cabinet; complete interfaces: meet the requirements of various nearby and remote control and monitoring; basic Human computer interaction system of industrial Android system: rich product operation status display, complete various parameter settings, multiple flexible and intelligent operation modes, powerful data event recording function, strong cloud platform reporting: support a variety of remote equipment access monitoring equipment, remote view of various operation data.