Method and apparatus for welding with voltage control

Details Method and apparatus for welding with voltage control Method and apparatus for welding with voltage control

B - Operations, Transporting

23

K

B23K 9/10 (2006.01)

Patent

CA 2578364

A method and apparatus for providing welding-type power includes an input circuit, a switched circuit connected to the input circuit, and an output circuit connected to the switched circuit. A controller controls the system output in response to a setpoint and an output feedback signal. A first gain is used to control the output at start up, and a second gain is used to control the output during steady-state welding. The first gain is greater than the second gain.

L'invention porte sur un procédé et un appareil de soudure permettant d'obtenir une puissance de type soudage, comprenant un circuit d'entrée, un circuit commuté relié au circuit d'entrée, et un circuit de sortie relié au circuit commuté. Un contrôleur contrôle la sortie du système en réponse à un point de consigne et à un signal de rétroaction de sortie. Un premier gain sert à contrôler la sortie au moment du démarrage, et un second gain sert à contrôler la sortie au moment du soudage à l'état stationnaire. Le premier gain est supérieur au second gain.

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