The reconstruction scheme of prepaid electricity meter is convenient for total electricity control and distribution.

In the use of prepaid electricity meters, because the prepaid electricity meters have the internal power control function, each user can't exceed the set capacity, so it is convenient for the management of property electricity consumption.

Third, the system consists of prepaid electric energy meters, mainly sales management system, including computer system, IC card reader, printer and other equipment, prepaid electric energy meters (single-phase, three-phase), mainly to complete the parameter setting and sales management of electric energy meters. The use of prepaid watt-hour meters has played a very good role in improving the management level of electricity consumption and strengthening marketing.

The prepaid watt-hour meter adopts the mode of purchasing electricity first, then using electricity until zero power failure, which solves the problem of difficult electricity charge in the past. Moreover, because the watt-hour meter has a power-off device, it can realize some auxiliary functions, such as load control and over-current protection. And after using the prepaid watt-hour meter, the capacity can be easily increased.