Application of Acrel Public Energy Meter in South Africa

Abstract: This article describes the application of prepaid public energy meter in SouthAfrica. Single-phase prepaid publicmeters and three-phase prepaid public meters are new prepaid electric energymeters that integrate measurement and control. They support radio frequencyrecharge and remote recharge, and have multiple control modes such as paymentcontrol, time control, and vicious load control. It can be built-in 100Alarge-capacity magnetic latching relay to realize partial closing of theelectric meter, and it can also provide passive dry contact output to controlthe external circuit breaker to realize the tripping function. It is widelyused in the management of prepaid electricity consumption in commercial plazas,residential dormitories and college dormitories.

1.Projectoverview

This company isa charging pile company in South Africa. The company wants to purchasesingle-phase and three-phase prepaid meters for testing. Through the timecontrol and payment control functions of prepaid meters, it can realize thepurpose of multiple people using charging piles for charging. Afterunderstanding the customer's application scenarios and needs, single-phase andthree-phase public meters and local prepaid recharge systems were recommended.

2.Advantages ofprepaid public energy meter

Compared withtraditional post-paid energy meters, the guide rail type prepaid public metershave the following advantages:

1) Rail-typeinstallation, no need to punch holes on the wall and damage the building, justclip the watch on the 35mm rail, which is convenient and quick to install andwill not cause damage to the installation site;

2) Differentfrom the traditional metering and then charging mode, it implements the mode ofpaying first and then using electricity, which facilitates the unifiedmanagement of users, saves the time and labor cost of meter reading andcharging, and solves the problem of charging difficulties;

3) Using thecard as the medium, charge the electricity bill into the electric energy meterby swiping the card. The internally controlled electric meter supports remoterecharge, reduces manpower maintenance costs, and improves user experience.

3.Product Selection

4.Application

This publicenergy meter was originally used for local agricultural irrigation. Due to thecustomer's application scenarios and public use needs, it can be used forrecharging in public places of electric vehicle charging piles after projectevaluation. We provide users with an RF card. Through the card reader andprepaid recharge system, users can purchase electricity, write cards, and resetthem. When users need to charge, they only need to swipe the meter to startcharging. , Swipe again after full charge to retrieve the balance in the card,which is convenient and quick to use.

5.Conclusion

With theemergence of environmental problems, electric vehicles have become themainstream of future transportation, and the demand for charging piles equippedwith them is also increasing. Public electric vehicle charging piles will becontrolled by the prepaid meter to start and stop in the future. More usersprovide convenient and efficient services. In the future, Acrel will provide amore intelligent prepaid platform, which is more convenient for users to useand unified management.

Bibliography

1.Solutions For Enterprise Micro-gridSystem2021.04