OEM Factory for Zinc-Oxide Surge Arrester - Cheap price Intelligent Overhead Line Short Circuit And Ground Earth Fault Indicator Locator For Power Distribution Line – TENPRO

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1.Outline
Intelligent distribution automation data transfer unit of TD series is a distribution network automation terminal product developed for various ring main units, switch station, box changes, mini substation, etc. It is a new type of distribution automation remote terminal equipment based on the latest development requirements of distribution network automation, computer technology, digital signal processing technology and power grid fault detection technology. Its design, manufacture and testing fully adopt international IEC standards and relevant national standards. It can provide the data required for the operation control and management of the distribution system of the 10KV master station and monitor the operation and fault information of line voltage, line current, zero sequence current and device state in real time. Through “Three Teles” functions of telesignalization, telemetry and telecontrol, it can execute the control adjustment command given to the primary device given by the master station and thereby realize the functions of distribution network automation.
Intelligent distribution automation data transfer unit of TD series adopts distributed design mode and powerful software and hardware configuration function, and has multiple communication interfaces and multiple standard communication protocols. In addition to the internal data management function of the terminal, communicating with the master system through a standard unified interface to complete functions such as data transmission, it can also transmit the data of electric energy meter of distribution room and sub-section post, PLC and DC screen. It not only meets the DTU real-time requirements, but also realizes the data storage and recording function and the independent configuration function of line microcomputer protection, solving the problem of compatibility between test, protection and communication compatibility successfully and achieving the purpose of simplifying the type of station equipments.
2.Functions
Main function (standard):
“Three Teles” functions: telesignalization, telemetry, telecontrol
Protective function: overcurrent protection, instantaneous overcurrent protection, limiting time quick-acting relay, zero-sequence protection, surge protectors, definite time protection, block current protection
Communication function: 101 Balanced Protocols, RS232 interface
Reclosing function: acceleration and blocking after reclosing
Other functions: real-time clock, event recorder, spring mechanism
Other configuration (optional): anti-time protection, synthetic zero sequence protection, SOG zero sequence direction, measurement function,
wireless remote control, Dual PT power supply, Self-supplying CT power supply, electronic transformer, accumulator, super-capacitor, permanent magnetic modulator, electromagnetic distribution mechanism, 101 unbalanced protocol, 104 protocol, mobile phone APP, RG485 interface, GSM short message, GPRS communication, CDMA communication, 1 or 2 Ethernet interfaces, optical fiber communication, carrier communication, communication encryption, remote control encryption, bidirectional secure encryption, line loss module, fault wave-recorded function., etc.
3.Characteristics
1)Meeting the related safety protection requirements of national grid adjustment [2011] No.168 Notice on Strengthening the Safety Protection Work of Distribution Network Automation System, obtaining the bidirectional secure encryption test qualification report of China Electric Power Research Institute;
2)Passing the compliance protocol test of the State Grid and China Southern Power Grid and meeting the requirements of the 2015 special test;
3)Having the functions of dual network port, dual IP communication and supporting for connecting multiple different master functions;
4)The two terminal main control units are all designed in an all-aluminum chassis, which is light and beautiful;
5)Perfect protocol and powerful processing. Supporting different protocols access to different device signals in stations. For example: fault indicator, multimeter, protector, temperature and humidity sensors and other intelligent terminals. It can meet the requirements of more complex intelligent station network;
6)All equipments adopt industrial grade components, all connections to the outside world are fully electrically isolated with built-in surge protection circuit and power supply filter, using professional EMC design;
7)Providing a variety of man-machine interface operation mode for users to choose, including bluetooth, pluggable display, computer connection, etc. The device supports multiple channels, multiple motion protocols run simultaneously, and each channel can be flexibly configured;
8)The hardware adopts 32-bit industrial-grade high-performance professional DSP, ensuring the accuracy and stability of system; processing capability is powerful and parallel data acquisition and data processing functions;
9)The software adopts an embedded real-time operating system (Vxworks) platform and a modular system structure, and the performance with convenient features of adding functions and software upgrades, is stable and reliable.
10) Hardware and software are equipped with anti-misoperation measures to ensure the reliability of control operations;
11) Multiple power supply design –– dual AC power supply and backup battery power supply. Low power design with battery remote activation.
4.Model Description
TD – 1200
T: enterprise code (TENPRO Power Technology)
D: data transfer unit (DTU)
12: loop number
00: subdivision integrated code


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