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技术文章 / article 您的位置:vns59859威尼斯城官网 > 技术文章 > 安科瑞DJSF1352-RN直流电表在沙特光伏发电设施中的应用

安科瑞DJSF1352-RN直流电表在沙特光伏发电设施中的应用

发布时间: 2021-12-28  点击次数: 90次

??摘要:本文先容了安科瑞DJSF1352-RN直流电表在沙特小型光伏发电设施直流侧的应用。主要用于光伏系统中的电流的计量,通过分流器对电路系统进行计量、通讯和控制等。

??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.项目概述:Project Overview

??该企业位于沙特,企业主要在当地从事小型光伏发电项目的安装施工与维护等业务。客户想要使用直流电表,用于光伏系统中直流侧电流电压的vns59859威尼斯城官网计量、通讯,要求电表具有两路直流电能测量的功能。

??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仪表概况 DJSF1352-RN/D DC Energy Meters

??DJSF1352-RN导轨式直流电能表带有双路直流输入,主要针对网络基站、直流充电桩、太阳能光伏等应用场合而设计,该系列仪表可测量直流系统中的电压、电流、功率以及正反向电能等。在实际使用现场,即可计量总电能,又可计量规定时间段内的电能。检测的结果既可用于本地显示,又能与工控设备、计算机连接,组成测控系统。

??仪表可具有红外通讯接口和RS-485通讯接口,同时支撑Modbus-RTU协议和DLT645-97(07)协议;可带继电器预警输出和开关量输入功能;根据不同要求,通过仪表面板按键,对变比、预警、通讯进行设置;具有开关量事件记录(Modbus协议)、编程和事件设置记录(645协议)、数据瞬时和定时冻结功能(645协议)、电压电流功率峰值、谷值记录功能。

??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.型号及功能先容 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.

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