Manufacturer, model, and product introduction of temperature controller for dry-type transformers BWDK-S201D

The BWDK-S201D dry-type transformer temperature controller is based on the strong data processing ability, high computational speed, logical discrimination ability, and real-time performance of microprocessors. When the temperature rise of any phase in the three-phase winding of the transformer reaches the control point, the control system accepts control. Record the time, phase, temperature, and duration of the fault, such as starting and stopping the fan, overheating sound and light alarm, trip alarm, etc., in order to provide users with fault analysis and improve troubleshooting speed. Automatically refresh the record unit after the accident is confirmed and cancelled. The real-time operating system adopts a time base benchmark and three timing units. To achieve wet display of running time for daily clocks. It is possible to adjust the button calibration through the instrument panel. In addition, real-time trip time and duration of faults are controlled by the system.

Performance indicators of BWDK-S201D dry-type transformer temperature controller:

1. Measurement range: 0-200 ℃

2. Usage conditions: Working temperature: -10 ℃~+55 ℃ Relative humidity: ≤ 95% (25 ℃) Working power supply: AC220V ± 10%, AC380V ± 10%; 50Hz

3. Resolution: 0.1 ℃

4. Temperature measurement accuracy: 0.5 level, control error: ≤ ± 1 ℃

5. Display method: 1-bit phase display, 3-bit temperature value display

6. Relay contact output: single-phase fan 10A * 250V, three-phase fan 10A * 380V, other signals 3 A * 220V

7. Sensor: Pt100 platinum resistor (diameter 3 × 25mm)

8. Maximum power consumption: plastic shell ≤ 5W; The iron shell is ≤ 8 W

9. Product weight: Plastic shell ≤ 1kg; Iron shell a is ≤ 5kg

10. External dimensions: 260 x 200 x 70mm (height x width x depth) Opening dimensions: 230+1 x 180+1mm (height x width)

11. Simulated current output: 4-20Ma (linearly corresponding to 0-20.0 ℃)

12. Communication interface: Generally using RS-485 communication method, it can connect to 30 temperature controllers, and the communication distance can reach 1200mbr/>

13. The anti-interference test items passed include common mode interference, serial mode interference, electrical fast transient, electrostatic interference, and spatial radio frequency interference

14. Voltage withstand test: AC2500V.50 Hz. 60S

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