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安科瑞 師晴晴

江蘇安科瑞電器制造有限公司 江蘇江陰

摘要：本文介紹了預付費灌溉表表在南非的應用。單相預付費灌溉表和三相預付費灌溉表是集計量與控制與一身的新型預付費電能表，支持射頻充值和遠程充值，具有付費控制、時間控制、惡性負載控制等多種控制模式。可內置100A大容量磁保持繼電器實現電表內部分合閘，也可提供無源干接點輸出控制外部斷路器實現跳閘功能。廣泛應用于商業廣場、居民宿舍以及高校宿舍的預付費用電管理。

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

1.項目概述 Project overview:

此公司是南非的充電樁公司，該公司想要采購單相和三相的預付費電表用于測試，通過預付費電表時間控制、付費控制的功能，實現多人共同使用充電樁充電的目的。在了解了客戶的應用場景和需求后，推薦了單相、三相的灌溉表及本地預付費充值系統。

This company is a charging pile company in South Africa. The company wants to purchase single-phase and three-phase prepaid meters for testing. Through the time control and payment control functions of prepaid meters, it can realize the purpose of multiple people using charging piles for charging. After understanding the customer's application scenarios and needs, single-phase and three-phase public meters and local prepaid recharge systems were recommended.

2. 預付費灌溉表的優點

Advantages of prepaid public energy meter

預付費電表先付費后用電與傳統后付費電表相比，導軌式預付費灌溉表具有以下優點：

1）導軌式安裝，無需在墻面上打孔，破壞建筑，只需要將表卡在35mm導軌上即可，安裝方便快捷且不會對安裝地造成損壞；

2）區別于傳統先計量再收費模式，實行先付費后用電的模式，方便對用戶的統一管理，節省了抄表及收費的時間和人工成本，解決了收費困難的問題；

3）以卡為介質，將電費通過刷卡形式充入電能表內。內控型電表，支持遠程充值，減少人力維護成本，提高用戶體驗。

Compared with traditional post-paid energy meters, the guide rail type prepaid public meters have the following advantages:

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

2) Different from the traditional metering and then charging mode, it implements the mode of paying first and then using electricity, which facilitates the unified management of users, saves the time and labor cost of meter reading and charging, and solves the problem of charging difficulties;

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

3. 產品選型Product Selection

4.應用Application 

此灌溉表原本是應用于本土的農業灌溉，因客戶的應用場景及公共使用的需求，經項目評估可以用于電動車充電樁的公共場所刷卡充值。我們為使用者一張RF 卡，通過及預付費充值系統，可以為使用者購電寫卡以及回收清零，用戶有充電需求時，只需在電表上刷一下即可開始充電，充滿后再刷一下則取回卡中余款，使用方便快捷。

This public energy meter was originally used for local agricultural irrigation. Due to the customer's application scenarios and public use needs, it can be used for recharging in public places of electric vehicle charging piles after project evaluation. We provide users with an RF card. Through the card reader and prepaid recharge system, users can purchase electricity, write cards, and reset them. When users need to charge, they only need to swipe the meter to start charging. , Swipe again after full charge to retrieve the balance in the card, which is convenient and quick to use.

5 .結論Conclusion

隨著環境問題的突出，電動汽車已經越來越成為未來交通工具的主流，與之的充電樁的需求也越來越大，公共電動汽車充電樁通過預付費表控制啟停在未來將為更多的使用者提供方便快捷的服務。未來安科瑞將提供更加智能化的預付費平臺，更方便于用戶的使用和統一的管理。

With the emergence of environmental problems, electric vehicles have become the mainstream of future transportation, and the demand for charging piles equipped with them is also increasing. Public electric vehicle charging piles will be controlled by the prepaid meter to start and stop in the future. More users provide convenient and efficient services. In the future, Acrel will provide a more intelligent prepaid platform, which is more convenient for users to use and unified management.

參考文獻 Bibliography

1.Solutions For Enterprise Micro-grid System 2021.04