Three phase digital multifunctional electric energy meter DT (S) AD747

NegotiableUpdate on 03/13

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Nature of the Manufacturer: Producers

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Overview

The DT (S) AD747 DSAD747/DTAD747 three-phase three (four) wire electronic multifunctional energy meter is a new generation of high-precision and intelligent energy metering product independently developed and produced by Beijing Yubang Power Technology Co., Ltd. The product is based on the DB43/T 558-2010 digital energy meter standard GB/T 17215.211-2006、GB/T 17215.322-2008、DL/T614-2007、DL/T645-2007、IEC61850-9-1、IEC61850-9-2、IEC61850-8-1 Related energy meter standards such as special requirements for energy meters (Yubang Enterprise Standard). This product consists of a digital protocol processing module, a high-precision DSP measurement module microprocessor, a temperature compensated real-time clock, a data interface device, and a human-machine interface device. The DSP metering module utilizes digital protocols to process the digital sampling data transmitted by the module, and performs digital integration operations on it to accurately obtain active and reactive power. The microprocessor processes the data according to corresponding rates and demand requirements. The results are saved in the data storage and information is provided to external interfaces at any time.

Product Details

1Energy metering function: This instrument hasATheBTheCThe metering functions of six basic types of electrical energy, including forward functional, reverse active, and four quadrant reactive, for each component and composite element, as well as combined active and combined reactive power1Combined reactive power2The calculation function of these three types of combined electrical energy;

2Maximum demand measurement function: This instrument has the measurement function of six basic demand types: positive active power, negative active power, and reactive power in four quadrants. At the same time, it calculates the maximum demand and occurrence time of each basic demand type according to the settlement cycle;

3Time sharing function: time sharing measurement, calendar and time sharing scheme, time sharing scheme switching function, settlement function;

4Measurement function: capable of measuring composite elements andATheBTheCThe apparent power, active power, reactive power, and power factor of each component can be measuredATheBTheCThe voltage and current of each component can measure the frequency of the power grid and display the direction of current, power, and power factor;

5Display function: The electricity meter adopts320×240Dot matrix patternSTNLCD display screen, using a display method of Chinese characters+graphics, with concise and intuitive display content;

6Communication function: The communication function of this table is based on《DL/T 645-2007The communication protocol for multifunctional electric energy meters is implemented according to the standard. The electric meter has3One communication port: the first channelRS485Mouth, Second RouteRS485Oral and far-infrared ports. two485The baud rate can be set;

7Event recording function, voltage qualification rate statistics function, pulse output, load alarm function, etc.