ACREL DJSF1352-RN DC energy meter’s Application in PV power generation equipment in Saudi Arabia

時(shí)間：2021-12-20作者：安科瑞電子商務(wù)（上海）有限公司瀏覽：96

朱鹍

安科瑞電氣股份有限公司上海嘉定

Abstract: This paper introduces the application of Acrel DJSF1352-RN DC energy meter in the DC side of a photovoltaic system in Saudi Arabia. It is mainly used to measure the DC current in the photovoltaic system, and cooperate with current shunts to measure, communicate and control the circuit system.

 

1.Project Overview

    The company is located in Saudi Arabia. The company is mainly engaged in installation, construction and maintenance of small photovoltaic power generation center projects in Bulgaria and surrounding countries. The customer wants to use DC meters and hall sensors or current shunts for monitoring, metering and communication of current and voltage at the DC side of photovoltaic system, and demands that the DC energy meter would be able to measure two channels of DC circuits.

 

2. DJSF1352-RN/D DC Energy Meters

     DJSF1352-RN rail-mounted DC power meter with double DC input channels, designed for telecommunications base stations, DC charging piles, solar photovoltaic and other applications, this series of meters can measure the voltage, current, power and forward and reverse energy and so on in the DC system.The actual use of the site, you can measure the total power, but also measure the energy within a specified period of time. The test results can be used for local display, but also with industrial control equipment, computers to form a measurement and control system.The meter can have infrared communication interface and RS-485 communication interface, and supports Modbus-RTU protocol and DLT645-97 (07) protocol at the same time.The meter can have relay alarm output and digital input function;You can set the ratio, alarm, and communication through the meter panel keys according to different requirements.The meter can have event recording of switch (Modbus protocol), programming and event setting records (645 protocol), instantaneous and timing freeze function of data (645 protocol), maximum and minimum value recording function of voltage and current power.

 

3.Type and Function Description

 

Note：when dual DC input（D）function is selected，if Hall current sensor input is used in

current channel,a power supply module shall be provided to supply power to the second Hall sensor;if D function is not provided,the built-in power supply of elecctric meter can be used.




Pulse constant:

 

4.Requirements from Customer

4.1 The following are the customer's on-site solar panel parameters:



4.2 Two direct current metering

The customer requires a DC meter with two channels of direct current metering function, so two current shunts are needed to work with the meter.

5.Installation Picture




Bibliography

1.Solutions For Enterprise Micro-grid System 2021.04

作者簡介：

朱鹍，女，就職于安科瑞電氣股份有限公司，主要研究方向?yàn)槠髽I(yè)能源管控

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安科瑞電子商務(wù)（上海）有限公司專注于變電所運(yùn)維云平臺,安全用電管理云平臺,環(huán)保用電監(jiān)管云平臺等, 歡迎致電 15000353138

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