What are the reasons for the arc burning of the high quality 1500V DC Contactor
Release time:
2022-04-14 13:12
In order to shorten the arcing time of the quality 1500V DC Contactor, the commonly used methods for arc extinguishing in a small space are to change the contact opening and closing environment of the quality 1500V DC Contactor, and charge the arc extinguishing chamber of the sealed 1500V DC Contactor with high ionization energy. gas. Let's take a look at the causes of high-pressure gas arcing in 1500V DC Contactor.
The element with the highest ionization energy is helium, which can be filled with the sealed quality 1500V DC Contactor arc extinguishing chamber to improve the arc extinguishing ability of the quality 1500V DC Contactor. There are many reasons for arcing of 1500V DC Contactor in high-pressure gas environments. The general reasons are as follows.
In the high pressure gas chamber, the arcing of the quality 1500V DC Contactor is carried out in two stages. Under the action of temperature or voltage, the cathode contact of the quality 1500V DC Contactor emits electrons, which are received by the anode contact of the DC Contactor, forming the first breakdown. The arc of the 1500V DC Contactor is initially formed, which brings high temperature and ionized gas cations. The arc ion path of the 1500V DC Contactor is further expanded to form a larger-scale arc.
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