What power consumption operations can be achieved by prepaid energy meters?
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Recharge and control of electricity consumption: Users need to purchase electricity before using it. The power supply unit will write the sold electricity into the IC card. After the user inserts the card into the energy meter, the meter will automatically count the electricity and display the remaining electricity. When the remaining power is insufficient, the energy meter will issue a warning signal to remind users to purchase electricity in a timely manner; After the electricity is used up, the meter automatically shuts off.
Load monitoring and protection: The energy meter automatically monitors the user's electricity load. When the actual electricity load exceeds the preset value, the meter will stop supplying power and display an error code (such as "E2"), reminding the user to reduce the electricity load. Users need to insert their IC card into the energy meter before power can be restored to prevent damage to the meter and burning of the circuit.
Calculation and reminder of decreasing electricity consumption: During normal use, the energy meter automatically calculates the decreasing amount of electricity purchased. When the remaining battery level is less than 20 kWh, the display will show the current remaining battery level to remind the user to purchase electricity; When the remaining power is equal to 10 kWh, the energy meter will cut off once to remind the user to purchase electricity. At this time, the user needs to insert the IC card into the energy meter to restore power supply once.
Electricity usage information recording and writing back: Every time the user inserts the IC card into the prepaid energy meter, the meter will write back all the user's electricity usage information on the IC card. The next time you purchase electricity, the electricity sales management system will read the IC card data, summarize and check whether the user is using electricity legally. Electricity inspectors can also use inspection cards to check the user's electricity usage.
Time of use billing and tiered electricity pricing: Some prepaid energy meters support functions such as time of use billing and tiered electricity pricing, which can set different electricity prices according to different time periods and electricity consumption, helping users plan their electricity consumption reasonably and reduce electricity costs.
Remote control and management: Some prepaid energy meters are equipped with high reliability magnetic holding relays, which support remote opening and closing control. Power companies can remotely monitor users' electricity usage through management systems, achieve automated management, and improve the business efficiency of power grid companies.
