Intelligent low-voltage reactive-power compensating device

The utility model discloses an intelligent low-voltage reactive-power compensating device, which comprises a low-voltage split-phase compensating-box body, a knife-melting switch, a low-voltage fuse group, an intelligent compound-switch group, a capacitor group and a power-distribution monitoring unit, wherein the power-distribution monitoring unit comprises a central control MPU (Micro Processing Unit), a power-supply module, a signal acquisition module, a self-checking module, a reactive-power compensation control module, a human-computer interaction module, a communication module, a warning module, an anti-theft module and a data storage module, and each module is respectively connected with a data bus of the central control MPU; and in the low-voltage split-phase compensating-box body, one end of the knife-melting switch is connected with an electric-network side, the other end of the knife-melting switch is connected with the low-voltage fuse group, one end of the intelligent compound-switch group is con