摘要：随着全球能源的需求越来越多，以及在提倡环保的前提下，太阳能光伏发电在21世纪必将会在世界能源消耗上占据主要地位，本文主要介绍了直流电能表在意大利的一家太阳能板公司的应用。DJSF1352－RN直流电能表主要是针对该项目直流侧，蓄电池等直流信号设备进行测量及检测。

Abstract： With more and more global energy demand， and under the premise of advocating environmental protection， solar photovoltaic power generation will definitely occupy a major position in the world energy consumption in the 21st century． This paper mainly introduces the application of Acrel DC energy meter in a solar panel company in Italy．Acrel DJSF1352－RN DC energy meter is mainly used for measuring and monitoring of DC signal equipment such as batteries on the DC side of the PV project．

1．项目概述 Project Overview

本项目为意大利光伏行业蓄电池监测的应用，主要使用了直流电能表DJSF1352－RN，直流电压传感器ACTDS－DV和分流器， 用于1300V蓄电池的监测计量。

This project is for the application of battery monitoring in Italian photovoltaic industry， mainly using our company’s DC energy meter DJSF1352－RN， DC voltage sensor ACTDS－DV and shunt to monitor and measure 1300V battery．

2．直流电能表产品介绍Introduction of DC Energy Meter Product

直流电能表DJSF1352－RN是针对直流屏、太阳能供电、电信基站、充电桩等应用场合而设计的，该系列仪表可测量直流系统中的电压、电流、功率、正向与反向电能。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。同时它具有多种外围接口功能可供用户选择：带有RS－485通讯接口，采用Modbus－RTU协议；可带继电器报警输出、开关量输入／输出。根据不同要求，通过仪表面板按键，对变比、通讯进行设置与控制。

Acrel DC energy meter DJSF1352－RN is designed for DC screen， solar power supply， telecom base station， charging pile and other applications． This series of meters can measure voltage， current， power， forward and reverse energy in DC system．Can be used for local display， and can be connected with industrial control equipment， computer， measurement and control system．At the same time， it has a variety of peripheral interface functions for users to choose： RS 485 communication interface， modbus－RTU protocol；With relay alarm output， switching input／output．According to different requirements， through the meter’s panel buttons， to set and control the ratio， communication．

3．模型描述Model Description

4．技术参数Technical Parameters

5．接线 Wiring

Wiring with Shunt

Wirling with CT

6．应用场景 Application

7．现场图片 Photos on Site