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What is the influence of structural parameters on the contact life of the quality 1500V DC Contactor

What is the influence of structural parameters on the contact life of the quality 1500V DC Contactor

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  • Time of issue:2022-04-15
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(Summary description)The structural parameters related to the contact life of the quality 1500V DC Contactor include the contact area, breaking mechanism and contact pressure of the quality 1500V DC Contactor.

What is the influence of structural parameters on the contact life of the quality 1500V DC Contactor

(Summary description)The structural parameters related to the contact life of the quality 1500V DC Contactor include the contact area, breaking mechanism and contact pressure of the quality 1500V DC Contactor.

  • Categories:News
  • Author:
  • Origin:
  • Time of issue:2022-04-15
  • Views:0
Information

The structural parameters related to the contact life of the quality 1500V DC Contactor include the contact area, breaking mechanism and contact pressure of the quality 1500V DC Contactor. The 1500V DC Contactor has a larger contact area, which can provide a larger path for the current and reduce the contact resistance. When the 1500V DC Contactor is closed or broken, the small arc will bring heat. The larger the contact of the 1500V DC Contactor, the easier it is to dissipate, thereby reducing the risk of melting the contacts of the HVDC Relay.

1500V DC ContactorAnother technical point in the design of quality 1500V DC Contactor is the breaking mechanism. The mechanism of the quality 1500V DC Contactor itself has a stable action cycle, and the time required from the departure of 1500V DC Contactor to the final movement to the maximum opening position directly affects the arcing time of the HVDC Relay.

There is always contact resistance between the contacts of the quality 1500V DC Contactor. The greater the contact pressure of the quality 1500V DC Contactor, the smaller the resistance. Larger contact pressure can reduce the electrical loss and temperature rise of the HVDC Relay under normal working conditions. If the contact surface of the 1500V DC Contactor has relatively small damage or raised burrs, it will not have obvious adverse effects on the high-voltage DC contactor under high pressure, and after using the 1500V DC Contactor for many times , the impact between the contacts will smooth out these small imperfections.

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