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Application of Acrel IoT Energy Management Systematic Solution in certain Factory of Malaysia

1.應(yīng)用場景Application Scenario

對工廠的三相用電設(shè)備的用電量進(jìn)行采集并上傳至系統(tǒng)， 從而使用戶能夠?qū)崿F(xiàn)在PC上就能通過IoT EMS系統(tǒng)查看設(shè)備用電情況非常完善。

Customers need to collect the basic energy consumption data and upload it to management system so that they can realized real-time and remote data monitoring using their PC.

2.技術(shù)選型 Technical Selection

2.1三相回路電壓為415Vac L-L性能穩定，額定電流不超過80A AC自動化方案，三相四線接線，電表方面選型三相帶RS485（MODBUS-RTU）通訊的電表ADL400越來越重要。  

Rated voltage of 3-phase monitoring circuits is 415Vac L-L while the rated current is below 80A AC, thus selection of metering devices will be ADL400 3-phase energy meter with RS485 communication of MODBUS-RTU protocol

2.2工廠經(jīng)確認(rèn)后WiFi覆蓋條件較好線上線下，頻段為2.4GHz，方便提供220Vac供電醒悟，網(wǎng)關(guān)選用AWT100-WiFi搭配POW模塊數據顯示。支持廣播自動抄表以便后續(xù)下行設(shè)備的添加。該網(wǎng)關(guān)上行為4GHz WiFi也逐步提升，采用MODBUS-RTU over TCP的透傳通訊協(xié)議記得牢。下行為RS485通訊，采用MODBUS-RTU協(xié)議重要的作用，從而與ADL400配合對數(shù)據(jù)進(jìn)行上傳至云服務(wù)器通向系統(tǒng)更多可能性。

After discussing with the customer, factory is with stable 4GHz WiFi coverage and signal,and a power supply of 220Vac is preferable. So, for the gateway parts, we select AWT100-WiFi which own auto-broadcasting function that can ease the later adjustment with subsequent ADL400. Also, AWT100-WiFi is paired with AWT100-POW power module.Other than that, since AWT100-WiFi is with upstream of 2.4GHz WiFi using MODBUS-RTU over TCP protocol and downstream of RS485 using MODBUS-RTU protocol to be paired with ADL400 for energy consumption data uploaded to cloud server and finally to the IoT System.

2.3測試階段服務(wù)器使用我司已經(jīng)租用的亞馬遜云服務(wù)器以節(jié)省客戶預(yù)算。

For pilot project phase, cloud server is highly recommended to use our company’s cloud server which has been rent on Amazon to save the customers’ budget on testing phase.

2.4根據(jù)需求系統(tǒng)選用IoT EMS系統(tǒng)足夠的實力，并提供3個(gè)月試用以便客戶測試緊迫性。

According to the request, IoT Energy Management System will be the most appropriate one and can provide 3-month free trial for testing use.

3.初期方案架構(gòu)Pilot Project Solution Structure

4.后期方案方向 Plan after Pilot Project

若初期方案測試成功，后期方案方向?yàn)椋?br/>

If pilot project proved to be successful, later plan should be as below:

4.1云托管方案：綜合考慮云服務(wù)器租用成本以及點(diǎn)位數(shù)量不多的情況更適合，云方案推薦為系統(tǒng)軟件選用托管高效，云服務(wù)器依舊使用我司的云服務(wù)器。硬件設(shè)備層無需改動要素配置改革，只需后續(xù)增訂ADL400三相電能表體系，若點(diǎn)位數(shù)量需求較多，根據(jù)情況配套增訂AWT100-WiFi網(wǎng)關(guān)帶動產業發展。

Cloud Hosting Service Solution: Considering about the comprehensive cost of renting the cloud server and the amount of monitoring circuits, deployment of cloud IoT Energy Management System should be paired with hosting service. In this situation, customer don’t need to afford the rent of cloud server and will use our own cloud server. Also, for the hardware of this solution, no change need be done just like in the pilot project solution structure. Customer only need to order more ADL400 3-phase energy meter and maybe paired AWT100-WiFi gateway according to the number of subsequent request.

4.2本地買斷方案：若客戶對數(shù)據(jù)保密性比較有想法責任製，后期推薦方向?yàn)镮oT系統(tǒng)買斷服務(wù)，服務(wù)器架設(shè)本地服務(wù)器并搭配工業(yè)交換機(jī)與UPS電源倍增效應。硬件設(shè)備層電表依舊推薦ADL400規則製定，特殊型號ADF400L不推薦使用，原因是在三相四線接線為直通式接線而非互感器接入時(shí)多樣性，ADF400L的測量模塊需求數(shù)量較多系統性，無法減少成本力量。網(wǎng)關(guān)方面根據(jù)后期點(diǎn)位數(shù)量增配AWT100-CE或者APort100.

Local Buy-out Service Solution: If request from customers for data safety and Confidentiality is much more higher. The buy-out service of IoT Energy Management System to be paired with a Local Server will be the best choice. Yet the solution need to do a lot of change in hardware like. First, deploying of local server need to be paired with industrial switch and UPS. Second, for energy meter, ADL400 is still more recommendable.Since the special module, ADF400L Multi-circuit energy meter with built-in Ethernet communication won’t save much budget on the application of 3-phase wiring via direct connection instead of via CTs. At last, gateway need to be changed from AWT100-WiFi to AWT100-CE or Aport100 according to the amount of subsequent request.

5.后期方案架構(gòu) (僅指采用本地方案的情況下) Late-stage Solution Structure （For local solution only）