Multi-mode combined electric energy meter and control method thereof

The invention provides a multi-mode combined electric energy meter and a control method thereof, and relates to the field of power systems, the electric energy meter comprises a host module, the host module comprises a main controller, a first metering and acquisition circuit and a first control circuit; the main controller receives a metering mode and configuration parameters configured by a user; the control metering and acquisition circuit performs acquisition metering and power utilization analysis on the power utilization data of the power supply loops corresponding to the circuit acquisition ports; and controlling each control circuit to act based on the analysis result so as to control the on-off of the corresponding power supply loop. According to the invention, power utilization analysis and power supply control are carried out according to the actual metering mode requirement of a user and the corresponding metering mode, so that the design compatibility of different metering modes of single-phase m