摘要：本文介紹了ADF400多回路電能表在越南的應用。ADF400L系列多回路電能表，通過組合模塊的方式可以實現不超過36路單相或12路三相、CT連接或直接連接。本系列電能表具有高精度、高集中度、集中管理、安裝靈活、互不干擾等優點，受到社會、學校、企業各領域的青睞。該系列儀表支持預付費電源功能。
Abstract:This article introduces the application of ADF400L Multi Circuits Energy Meter in Vietnam. ADF400L series multi-channel energy meter, through the way of combination module can realize less than 36 circuits single-phase or 12 circuits three-phase, CT connect or direct connect. this series of energy meter with high
accuracy, high concentration, centralized management, installation flexibility, the advantages of each other noninterference by the community, schools, enterprises of all areas. The series of meters support prepaid power function.
1.項目概述 Project overview:
該公司位于越南。客戶需要測量2路三相直接接入和2路三相二次接入，安科瑞ADF400L系列多用戶電能表符合該用戶應用場合和條件。
The company is located in Vietnam.The customers need 2 channels three-phase direct access and 2 channels three-phase secondary access measurement. Acrel ADF400L series energy meters meet the user's application and conditions.
2.產品規格Product specification：
3.主要功能main function：
| Display | LCD |
| Energy monitoring | Active energy (positive、negative), Reactive energy (positive、negative) |
| Power measurement | Voltage、current、power factor、frequency、active power、reactive power、apparent power |
| Harmonic function | Total harmonic、sub harmonic (2～31) |
| 3 phase unbalance | Voltage, Current unbalance |
| DI/DO | Main module 2DI2DO; CT connect 2DI4DO (direct connect) |
| Communication | Infrared; RS485 MODBUS-RTU and DL/T645 |
| History energy | 12 month energy record |
4.應用Application
ADF400L系列多用戶電能表可實現多達12個三相或36個單相直接接入測量或12個三相互感器接入測量，通過模塊組合測量方法實現直接接入和互感器接入的混合。
ADF400L Multi Circuits Energy Meter can achieve up to 12 three-phase or 36 single-phase direct access measurement or 12 three-phase mutual inductor access measurement, a hybrid of direct access and mutual inductor access through module combination measurement method.
5 .結論Conclusion
ADF400L系列電能表精度高、安裝集中、管理集中、安裝靈活、無干擾，深受社區、學校、企業等單位的青睞。
ADF400L series of electric energy meters are popular among communities, schools, enterprises, etc. due to their high accuracy, centralized installation, centralized management, high installation flexibility, and non-interference.
參考文獻 Bibliography
1.Solutions For Enterprise Micro-grid System 2021.04