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DTU Network Feeder Power Distribution Terminal Automation Device High Performance

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China Beijing Tianyihongda Science & Technology Development Co., LTD certification
China Beijing Tianyihongda Science & Technology Development Co., LTD certification
Super friendly service, the Power Line Fault Indicator high quality as expected and very economy and environmental protection.

—— Bruce

This is the first time i do Underground Cable Fault Indicator business , after i received , it is work well. and now i want to order more.

—— Joseph

DTU Network Feeder Power Distribution Terminal Automation Device High Performance

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Large Image :  DTU Network Feeder Power Distribution Terminal Automation Device High Performance Get Best Price

Product Details:

Place of Origin: Beijing,China
Brand Name: Tianyihongda
Certification: type test report
Model Number: DTU-A1

Payment & Shipping Terms:

Minimum Order Quantity: 1set
Price: Negotiation
Packaging Details: 56*40*34cm,48 pcs /box ,standarad export box
Delivery Time: 3000 sets within 1 week
Payment Terms: Western Union, L/C, T/T
Supply Ability: 3000sets per week
Detailed Product Description
Alarm: Hardware Fault Indicator Reset Button: Use Reset Button To Make Reset
FA: FA Function Is Input, Indicator Is On LINK: Network Port Link Indicator
High Light:

remote control terminal


dsp digital signal processor

DTU power distribution network feeder automation device with high-performance


 DTU power distribution network feeder automation device is used for terminal monitoring for RMU, small switching station,can connect with master station and realize the electrical signal gathering and control from multi-lines, fault detection, fault area location, isolation and non-fault area power restore to improve power supply reliability.

 DTU power distribution network feeder automation device is with a hardware platform of 32 bits of microprocessor of high-performance, is with embedded real-time operation as a software development platform, also with characters of high stability and reliability , high performance,high intensity and low cost and easily installation.

 DTU provides enough communication interface( 4 technical grade RS232 Serial ports, 2 of them can be equipped as RS485 ports,2 pieces of 10M Ethernet port,1 piece of USB port),main processor adapts technical grade 32 bits of high-performance processing chip, with specialized maintenance software, also can be remotely kept maintenance by specialized network, such as each CPU module is realized by bus. Main CPU module is as master station to control the whole communication process, the gathering CPU Module is as subsequent station, the communication rates is above 9600bps. Several device constitutes Ethernet bus through inner embedded industrial grade switch to make sure data processing and data exchange with sufficient bandwidth.

Communication function:

  1. Communicate with upper station or station-control terminal,transmit the gathered and analyzed data to upper station and receive command from upper station or station-control terminal.
  2. Communicate with smart device such as distribution transform detection terminal, receive and transmit its data.
  3. Communicate with other system in substation to exchange information and data.
  4. Support many Communication protocols such as DNP3.0,IEC101,IEC104CD,T,MODBUS etc.
  5. Support many communication ways such as wireless GPRS,Fiber optic Ethernet, RS232/485 etc.

 Protection function:

  1. Over-current protection functions including Quick switch off, quick switch off timing and over-current protection functions (optional)
  2. Reclosure,interlock secondary reclosure function.(optional)

LCD operation function:

 LCD to display remote measurement value,locally remote control operate and modify protection parameters.(optional)

Distributed smart functions:

  1.  Logically control function(optional)
  2. Equipped with self-switching function. automatically switch over power supply mode in double power supply system. (optional)

 power supply management function:

  1. With data protection function even power off, data recorded can be kept for a long time and not lost.
  2. With main and sub-main power supply to realize power supply switching seamlessly.
  3. intelligent maintenance for storage battery.

 man-machine interaction:

  1. Running indicator:running status for each unit
  2. Alarm indicator:indicate fault status for device
  3. Line fault indicator:indicate corresponding line fault status.

 self-check and self -recover function:

With self-recover function of restarting software when power restore. With software and firmware watch-dog.

measurement accuracy: ambient temperature:
  1. AC measurement current:grade 0.5.
  2. AC measurement voltage:grade 0.5.
  3. DC current:grade 0.5.
  4. DC Voltage:grade 0.5.

active power, reactive power frequency:grade 1.0.

  1. working range:-40℃~+70℃.
  2. relative humidity: 5%~95%, no condensation.
  3. atmosphere pressure: 70kPa~106kPa.


DTU Network Feeder Power Distribution Terminal Automation Device High Performance 0


 There is type test report for it, test items as following:





Type Test Items


1. appearance and structure 2.function 3. electrical device performance 4.low temperature performance 5.high temperature performance 6.alternating temperature humidity7.vibrationendurance 8.incline drop test 9. electrical device life 10. static electricity and elecro-discharge immunity test frequency electromagnetic field radiated immunity test 12.surge impact immunity test 13. power frequency magnetic field immunity test. 14. Adjacent interference test 15.short-circuit withstand impact test 16. fire hazard test 17. power consumption test 18. protection grade test 19. gripping strength test of grip structure.

Contact Details
Beijing Tianyihongda Science & Technology Development Co., LTD

Fax: 86-10-63330700

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