The DC Contactor manufacturers introduce the arc characteristics of the good price and quality HVDC Relay
Release time:
2023-01-27 08:00
When the contacts of the high voltage DC relay are turned on, the good price and quality HVDC Relay is affected by the short arc generated by each bounce, but the time constant due to the current increase is much longer than the duration of each bounce of the HVDC Relay contacts. Therefore only a small part of the total arc energy can be absorbed by the contacts of the the good price and quality HVDC Relay.
Arc is the main consideration when breaking the DC current of the good price and quality HVDC relay. Most of the magnetic energy stored in the HVDC Relay circuit is converted into thermal energy and a sufficiently high arc voltage is generated.
Therefore, the main circuit parameters that affect the breaking characteristics of the the good price and quality HVDC Relay are the line that can induce the voltage. The electric driving force of the HVDC Relay and the load of the current motor revolutions per minute. As well as the switching appliances of the quality HVDC Relay, contact materials, arc length and Arc blowing device, etc.
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