Beijing Tianyihongda Science & Technology Development Co., LTD
| Payment Terms | Western Union, L/C, T/T |
| Supply Ability | 3000sets per week |
| Delivery Time | 3000 sets within 1 week |
| Packaging Details | 56*40*34cm,48 pcs /box ,standarad export box |
| Function | high-speed digital signal processor DSP |
| reset button | used to locally reset line fault signal |
| remote measurement | With channel monitor function |
| Alarm indicator | indicate fault status for device |
| Brand Name | Tianyihongda |
| Model Number | TYHD-DTU-3 |
| Certification | type test report |
| Place of Origin | Beijing,China |
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Product Specification
| Payment Terms | Western Union, L/C, T/T | Supply Ability | 3000sets per week |
| Delivery Time | 3000 sets within 1 week | Packaging Details | 56*40*34cm,48 pcs /box ,standarad export box |
| Function | high-speed digital signal processor DSP | reset button | used to locally reset line fault signal |
| remote measurement | With channel monitor function | Alarm indicator | indicate fault status for device |
| Brand Name | Tianyihongda | Model Number | TYHD-DTU-3 |
| Certification | type test report | Place of Origin | Beijing,China |
| High Light | feeder remote terminal unit ，remote control terminal | ||
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 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.
Operation Condition:
1) Ambient temperature: -40°C ~ +70°C
Maximum daily temperature difference of 25 ° C
2) Relative humidity: 90% (25°C)
3) Earthquake resistance: Ground horizontal acceleration 0.3g
Ground vertical acceleration 0.15g
Simultaneously acting three sine waves
Safety factor 1.67
4) Maximum daily temperature difference: 25°C
5) Sunshine intensity (wind speed 0.5m/s): 0.1W/cm2
6) Maximum wind speed: 35m/s
7) Maximum ice thickness: 10mm
8) Installation location: indoor and outdoor opening and closing station, power distribution room, knife lock chamber, box change, switch
Communication board(MCU):
Functional description:
The data processing unit uses a high-speed digital signal processor DSP as the main processor, which is responsible for 10kV line voltage and current AC sampling, calculation and fault determination. Each data processing unit can process 48 AC analog inputs and 2 DC analog inputs.
Responsible for the communication between the distribution terminal and the main station system, and complete the forwarding function of remote signaling, telemetry, remote control and remote adjustment. Provides 4 RS232 ports/4 RS485 ports, 2 100/10 BASE-T Ethernet ports, 1 CAN interface, can communicate with the main station via external Modem or Ethernet, can communicate with the control center or substation, upload Information collected by the distribution terminal, accepting remote control commands.
Main control unit appearance:
①Power panel (PWR)
②Communication board(MCU)
③,④,⑥,⑦,IO board(Open in and out)
⑤,⑧Sampling board (YC, AC sampling)
⑨Extension plug in position
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 11.radio 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. |
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2014
Total Annual:
3000000-5000000
Employee Number:
150~180
Ecer Certification：
Site Member
Beijing TIANYIHONGDA Science & Technology Development Co., LTD is located in Lize Business Circle area, a prosperous business area in the center of Beijing City, China. is a high and advanced technology enterprise which is professionally engaged in research, production, sales and service of adva... Beijing TIANYIHONGDA Science & Technology Development Co., LTD is located in Lize Business Circle area, a prosperous business area in the center of Beijing City, China. is a high and advanced technology enterprise which is professionally engaged in research, production, sales and service of adva...
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