安科瑞 劉秋霞

ACREL DC energy meter Application in Bangladesh

摘要：本文介紹了安科瑞直流電表在孟加拉某能源公司的應(yīng)用。主要用于光伏直流柜內(nèi)，配合分流器對(duì)匯流箱的輸出電流電壓等進(jìn)行測(cè)量，并采集配電現(xiàn)場(chǎng)的開關(guān)信號(hào)，裝置帶有RS485接口可以把測(cè)量和采集的數(shù)據(jù)和設(shè)備狀態(tài)上傳。

Abstract: This article introduces the application of Acrel DC meters in POWERCOM company in Bangladesh. It is mainly used in photovoltaic DC cabinets to measure the output current and voltage of the combiner box , and collect switch signals at the power distribution site. The device has an RS485 interface to upload the measured and collected data and equipment status.

1.項(xiàng)目概述：

Project Overview

該公司位于孟加拉，是該國較大的能源公司之一。主要使用了直流多功能電表PZ72L-DE/CKJ和分流器，用于對(duì)匯流箱的輸出電流電壓等的測(cè)量，以及對(duì)開關(guān)量狀態(tài)的采集。

Power Control&Management-POWERCOM is located in Bangladesh and is one of the largest energy companies in the country. Mainly used DC multi-function meter PZ72L-DE/CKJ and shunt, used to measure the output current and voltage of the combiner box, and collect the status of the switch.

2.PZ系列直流可編程智能電表介紹

PZ Series DC Programmable Intelligent Electric Meters

PZ系列智能直流電能表是針對(duì)直流屏、太陽能供電、電信基站、充電樁等應(yīng)用場(chǎng)合而設(shè)計(jì)的，該系列儀表可測(cè)量直流系統(tǒng)中的電壓、電流、功率、正向與反向電能。既可用于本地顯示，又能與工控設(shè)備、計(jì)算機(jī)連接，組成測(cè)控系統(tǒng)。同時(shí)它具有多種外圍接口功能可供用戶選擇：帶有RS-485通訊接口，采用Modbus-RTU協(xié)議；可帶繼電器報(bào)警輸出、開關(guān)量輸入/輸出。根據(jù)不同要求，通過儀表面板按鍵，對(duì)變比、通訊進(jìn)行設(shè)置與控制。

產(chǎn)品符合 Q/GDW1825-2013《直流電能表技術(shù)規(guī)范》、GB/T29318-2012《電動(dòng)汽車非車載充電電能計(jì)量》、Q/GDW364-2009《單相智能電能表技術(shù)規(guī)范》等標(biāo)準(zhǔn)的相關(guān)技術(shù)要求。

PZ series intelligent DC energy meter is designed for applications such as DC panels, solar power,telecommunications base stations, and charging posts. This series of instruments can measure voltage, current, power,forward and reverse power in DC system. It can be used for local display, and connected with industrial control

equipment, computers, form a measurement and control system. And it has a variety of external excuse functions for the user to choose: RS485 communication interface, Modbus-RTU protocol, relay alarm output, digital input/output. According to different requirements, through the instrument panel keys, you can set the ratio, communication parameters.

The product meets the relevant technical requirements of the standard Q/GDW1825-2013 DC power meter specification，GB/T29318-2012 Non-vehicle charging electric energy metering for electric vehicles，Q/GDW364-2009 Single-phase energy meter

specification.

3.型號(hào)說明

Model description

Technical features

Product functions

4.安裝圖片

Installation picture

5.總結(jié)

在光伏系統(tǒng)中，發(fā)電系統(tǒng)的安全性至關(guān)重要，PZ系列儀表作為一種先進(jìn)的智能化、數(shù)字化的前端采集元件，已廣泛應(yīng)用于直流屏、太陽能供電、電信基站、充電樁等場(chǎng)合。可以實(shí)現(xiàn)對(duì)發(fā)電回路的電參量的實(shí)時(shí)監(jiān)控，不僅能顯示回路發(fā)電狀況，還具有網(wǎng)絡(luò)通訊功能，可以與串口服務(wù)器、計(jì)算機(jī)等組成電力監(jiān)控系統(tǒng)。系統(tǒng)實(shí)現(xiàn)對(duì)采集數(shù)據(jù)的分析、處理，實(shí)時(shí)顯示光伏系統(tǒng)的運(yùn)行狀態(tài)，為項(xiàng)目解決用電問題提供了真實(shí)可靠的依據(jù)，取得了較好的企業(yè)效益。In photovoltaic systems, the safety of the power generation system is very important. As an advanced intelligent and digital front-end collection component, PZ series meters have been widely used in DC screens, solar power supply, telecommunication base stations, charging piles and other occasions. It can realize real-time monitoring of the electrical parameters of the power generation loop, not only can display the power generation status of the loop, but also has a network communication function, and can form a power monitoring system with a serial server, a computer, etc. The system realizes the analysis and processing of the collected data, displays the operating status of the photovoltaic system in real time, provides a true and reliable basis for the project to solve the electricity problem, and has achieved good corporate benefits.

參考文獻(xiàn)；Bibliography

1. Solutions for enterprise micro-grid system