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238 months ago

José Jesús Villa Cerda   asked this question:

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238 months ago

   wrote:

"Soplo" ....."Contactor con bobina de soplo"

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238 months ago

   wrote:

contacto de encendido

Comments by other colleagues on this answer:

238 months ago

   wrote:

I don't know how to translate this in Spanish, but this should help: A contactor comprises a contact mounted on a fixed blade and another on a moving blade. In conventional designs, this layout forms the basis for the practical device, yet it suffers from a fundamental defect. Current flowing in opposite directions in the two parallel blades causes an electromagnetic repulsion (the Lorenz force). The higher the current, the greater the repulsive force. Under extreme overloads such as short circuit conditions, there is a risk that the contacts will be forced apart, and the resultant sparking and local heating could destroy the switch. To prevent this, the moving blade actuator must supply a much greater force than is necessary for normal loads, placing heavy demands on the actuator drive. The patented device incorporates a different configuration, in which the repulsive forces act so as to maintain the contacts closed. This is the 'blow-on' principle, and it is further enhanced through careful routing of the incoming and outgoing current

238 months ago

   wrote:

I don't know how to translate this in Spanish, but this should help: A contactor comprises a contact mounted on a fixed blade and another on a moving blade. In conventional designs, this layout forms the basis for the practical device, yet it suffers from a fundamental defect. Current flowing in opposite directions in the two parallel blades causes an electromagnetic repulsion (the Lorenz force). The higher the current, the greater the repulsive force. Under extreme overloads such as short circuit conditions, there is a risk that the contacts will be forced apart, and the resultant sparking and local heating could destroy the switch. To prevent this, the moving blade actuator must supply a much greater force than is necessary for normal loads, placing heavy demands on the actuator drive. The patented device incorporates a different configuration, in which the repulsive forces act so as to maintain the contacts closed. This is the 'blow-on' principle, and it is further enhanced through careful routing of the incoming and outgoing current