The High voltage DC Contactor manufacturers analyze the arc characteristics of the low price 750V DC Contactor
Release time:
2022-04-18 14:18
The arc of the low price 750V DC Contactor in the High voltage DC Contactor mainly has the following characteristics. During the make-up operation of the low price 750V DC Contactor, the contacts of the 750V DC contactor are subjected to a short arc with each bounce when making contact. However, since the time constant of the current increase is much longer than the contact bounce duration of the low price 750V DC Contactor, the total amount of arc energy absorbed by the contacts of the 750V DC Contactor is quite low.
In the breaking operation of the low price 750V DC Contactor arc, the arc of the low price 750V DC Contactor is the main consideration when breaking the DC current. The 750V DC Contactor converts most of the magnetic energy stored in the circuit into heat and generates a sufficiently high arc voltage.
The main circuit parameters that affect the breaking characteristics of the low price 750V DC Contactor mainly include the line, that is, the induced voltage, the load of the low price 750V DC Contactor, and the contact material, arc length and arc blowing device of the 750V DC Contactor.
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