Smart protective charge control metering device for power grid

The utility model discloses a smart protective charge control metering device for a power grid. A power incoming wire is sequentially connected with a combined transformer and an electricity meter through a vacuum circuit breaker to form an electric main loop, a circuit breaker operating mechanism is connected with the vacuum circuit breaker, a load controller is respectively connected with a metering electricity-stealing preventive device and the electricity meter, a microcomputer integrated protection device is respectively connected with the circuit breaker operating mechanism, the metering electricity-stealing preventive device and a current transformer protecting winding of the combined transformer, and a voltage transformer power winding of the combined transformer is respectively connected with the circuit breaker operating mechanism, the microcomputer integrated protection device, the load controller and the metering electricity-stealing preventive device. The green and environment-friendly smart prot