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    安科瑞DJSF1352-RN直流电表在俄罗斯UPS电能计量系统中的应用

  • 时间:2021-12-16浏览数:115来源:
  • 摘要:本文介绍了安科瑞DJSF1352-RN直流电表在俄罗斯UPS计量系统中的应用。主要用于UPS系统中的输出电能的计量,通过霍尔对电路系统进行计量、通讯和控制等。

    Abstract: This article introduces the application of “Acrel” DJSF1352-RN DC meter in the Russian UPS metering system. It is mainly used for the measurement of the output energy in the UPS system, and the measurement, communication and control of the circuit system through the Hall sensor.

    1.项目概述:Project Overview

    该公司位于俄罗斯是一家电池生产公司。主要在俄罗斯从事工业电池及UPS的生产和供应。客户要使用直流电表,用于UPS输出端电能的监测计量。

    The company is located in Russia and is a battery production company. Mainly engaged in the production and supply of industrial batteries and UPS in Russia. The customer needs to use a DC meter for monitoring and measuring the electrical energy at the output of the UPS.

    2.DJSF1352-RN介绍 DJSF1352-RN DC Energy Meters

    DJSF1352-RN导轨式直流电能表,主要针对电信基站、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,同时支持Modbus-RTU协议和DLT645-97(07)协议;可带继电器警报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、警报、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。


     

    3.型号及功能介绍 Type and Function Description

     

     

    Notewhen dual DC inputDfunction is selectedif 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 electric meter can be used.

    Technical parameters

    Index

    Input

    Nominal value

    Voltage input range

    Current input

    DC 0-1000V

    Hall sensor0-20mA4-20mA0-5V0-10V and so on.

    Overload

    1.2 times rated (continuous); 2 times rated/1 second;

    Power consumption

    Voltage: ≤0.2VA, current ≤0.1VA

    Accuracy class

    Class 1

    Function

    Display

    8-bit segment LCD screen (LCD)

    Communication Interface

    RS485two options

    Communication protocol

    Modbus-RTUDL/T 645-2007

    Switch

    Switch output

    2 Relay outputs, 2A/30VDC or 2A/250VAC

    Switch input

    2 dry contact inputs

    Pulse output

    A second pulse output, a energy pulse output

    See the SYS->PLUS display in the meter menu settings. For example: The meter displays 100, which is 100imp/kWh

    Power Supply

    Voltage range

    AC/DC 85-265V or DC24V(±10%) or DC48V(±10%)

    Power consumption

    ≤ 3W

    Power frequency withstand voltage

    Power supply // Voltage input // Current input // Relay output and switch input // Communication interface / / Pulse output 3kV/1min

    Power supply // Relay output // Voltage input // Current input 3kV/1min

    Pulse output // Communication interface // Switch input 2kV/1min

    Impulse withstand voltage

    ±6KV

    Insulation resistance

    ≥ 40M Ω

    Average barrier-free working hours

    ≥50000h

    Environment

    Temperature

    Normal operating temperature: -25 °C ~ +65 °C; Limit working temperature: -40 °C ~ +70 °C;

    Storage temperature: -40+80

    Humidity

    ≤93%RH, no condensation, no corrosive gas

    Altitude

    ≤2500m

     

    4.客户要求 Customer Requirements

    客户想计量UPS的实际输出电能,来计算UPS储能与耗能的转化比,UPS输入端用的是我们ADL系列的电表,输出端用的是DJSF1352-RN直流电表,通过分流器采取电信号,达到输出端测量的目的

     

     

    参考文献 Bibliography

    1.Solutions For Enterprise Micro-grid System 2021.04


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