Shulou(Shulou.com)06/01 Report--

The biggest function of 4GDTU is to realize the wireless transmission of data, to transmit the data from the front end to the back end lossless, and to realize the remote query and control of equipment and data. Using the lossless transmission function of 4GDTU in distribution automation, it can realize the collection and monitoring of power network data, real-time monitor line voltage, line current, zero sequence current, equipment status and other operation and fault information, and realize data acquisition, monitoring and control, control center and distribution dispatching automation system (SCADA) communication. Using DTU can realize the real-time monitoring of distribution data, improve the reliability and quality of power supply, shorten the accident handling time, reduce the scope of power outage, improve the economy of distribution system operation, and reduce the cost of operation and maintenance.

The use of 4GDTU can maximize the economic benefits of enterprises, improve the management level and work efficiency of the whole distribution system, and improve the level of service for users. DTU has a variety of interfaces, supports many kinds of interface choices (customizable TTL level serial port), and is compatible with all serial lower computers. It can be flexibly combined through software configuration. In addition to the internal data management function of the terminal, it can also forward the data of watt-hour meter, PLC and DC screen in the distribution room or open and closed station. The data transmission is completed by communicating with the master station system through a standard unified interface.

Technology deployment

The 4GDTU wireless terminal is connected to the primary circuit, secondary circuit, switchgear, load switch, transformer, relay, contactor and other equipment of the intelligent ring network cabinet. The staff of the monitoring center can check the running status of each equipment in real time. If there is any equipment failure, you can immediately judge the fault point and send technicians.

4GDTU realizes the real-time data acquisition and control function of the distribution network, collects the real-time status and transmits the real-time status to the master station, and sends all kinds of control information to the collection terminal to realize the remote control function. Can be transmitted through the APN mobile data network forward machine / data server, after the main front computer / data server processing, storage, broadcast to the network, each workstation receives the information and carries on the corresponding processing. The 4G DTU distribution terminal not only meets the requirements of data transmission, but also realizes the function of data storage and recording, successfully solves the problem of compatible coexistence of measurement and control, protection and communication, and achieves the purpose of simplifying the types of equipment at the station.

4GDTU:www.top-iot.com/index.php?m=content&c=index&a=lists&catid=12 can be used in a variety of power distribution environments, using industrial-grade metal shell, high and low temperature (- 35 ℃ to 75 ℃), wide pressure (5V-35V); super moistureproof, lightning protection, electromagnetic interference protection, ensure the stable operation of the equipment in harsh environment. The use of 4GDTU in the power field can enable relevant departments to obtain power data in time, quickly deal with power failures, and give the public the best electricity experience. Ensure the normal operation of the distribution network.

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