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Provide commissioning service of frequency conversion resonance test device for Shanxi customers!
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Provide commissioning service of frequency conversion resonance test device for Shanxi customers!

  • Categories:Company news
  • Author:
  • Origin:
  • Time of issue:2021-03-23 11:03
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(Summary description)Recently, after receiving the after-sales service demand from a power construction company in Shanxi, Jindian Technology immediately dispatched technicians to the customer’s location to install the NR-BX-540kVA/270kV variable frequency resonance test device purchased from our company. And operation training. After arriving at the site, our technicians first explained the theoretical knowledge in detail, and then began to guide customers in the actual operation.

Provide commissioning service of frequency conversion resonance test device for Shanxi customers!

(Summary description)Recently, after receiving the after-sales service demand from a power construction company in Shanxi, Jindian Technology immediately dispatched technicians to the customer’s location to install the NR-BX-540kVA/270kV variable frequency resonance test device purchased from our company. And operation training. After arriving at the site, our technicians first explained the theoretical knowledge in detail, and then began to guide customers in the actual operation.

  • Categories:Company news
  • Author:
  • Origin:
  • Time of issue:2021-03-23 11:03
  • Views:
Information

  Recently, after receiving the after-sales service demand from a power construction company in Shanxi, Jindian Technology immediately dispatched technicians to the customer’s location to install the NR-BX-540kVA/270kV variable frequency resonance test device purchased from our company. And operation training.

  After arriving at the site, our technical staff first explained the theoretical knowledge in detail, and then began to guide customers in actual operations.

Provide commissioning service of frequency conversion resonance test device for Shanxi customers!

       

  NR-BX-540kVA/270kV frequency conversion resonance test device

  Precautions

  When the excitation transformer is used, the high-voltage tail X must be grounded (the physical object is connected), and the grounding of the complete set of equipment must be grounded through the grounding terminal of the voltage divider, and then connected to the ground network of the test product to ensure one point grounding.

  The excitation transformer can be used in series and parallel. For the connection method, please refer to the prompt on the excitation transformer panel.

  When using, each high-voltage wire should be straightened and emptied (especially the high-voltage silicone wire) to avoid fainting.

  Please connect and use in strict accordance with the wiring method specified in the manual, otherwise it will cause damage to the device.

  If the resonant point cannot be found after the line is connected and the voltage cannot be boosted, it is likely that the loop is not connected, and you should check whether the line is connected.

  Test operation steps

  (1) Test preparation

  Ø Determine different reactor connection methods according to the test voltage and current of the test product, connect the test wiring according to the determined test wiring diagram, and check that it is correct.

  Ø Check that the test equipment is intact and complete, and the on-site safety measures are complete.

  (2) Start the test

  Two test methods, manual test and automatic test, can be selected during the test

  Overvoltage protection verification:

  Example: When the test voltage is 12kV, the overvoltage protection will be automatically set to 1.1 times the test voltage (that is, 13.2kV). When the test voltage reaches the set protection value, the instrument will automatically cut off the output of the main power supply.

  And carry on the overvoltage protection prompt.

  Note: If manual test is used, the overvoltage protection setting value shall be set according to 1.1 of the actual test voltage

  Overcurrent protection verification:

  The overcurrent protection value is set by the user. When the current reaches or exceeds the protection current, the system software and hardware will shut down the protection at the same time, and the protection information will pop up to report the status of the overcurrent protection to the user.

  The maximum overcurrent protection setting value of the excitation transformer of this set of systems does not exceed 40A.

  Example: When the test current reaches the set protection value, the instrument should automatically cut off the output of the main power supply and give an over-current protection prompt.

  Note: Low-voltage overcurrent protection setting: set at twice the current of the low-voltage side of the excitation transformer, and the maximum value is not higher than 3 times the rated low-voltage side of the excitation transformer.

  Debugging site

Provide commissioning service of frequency conversion resonance test device for Shanxi customers!Provide commissioning service of frequency conversion resonance test device for Shanxi customers!Provide commissioning service of frequency conversion resonance test device for Shanxi customers!

          After on-site testing and communication, our equipment is working normally, the accessories are complete, and the on-site test results are accurate. The customer is very satisfied with our equipment and the after-sales service, and also expresses a high degree of recognition and appreciation to our company!

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