Patent ID: 6295192
Filing Date: 2001-09-25
Classification: H01H

Abstract:
A switchgear comprising:pair of electrodes and a tripping and closing mechanism for opening and closing said electrodes, wherein said tripping and closing mechanism comprises:a movable electrode-closing repulsing section,a movable electrode-opening repulsing section,a stationary electrode closing-and-opening coil disposed between the electrode-closing repulsing section and the electrode-opening repulsing section for imparting a repulsive force to said electrode-closing and electrode-opening repulsing sections by generating eddy currents in said electrode-closing and electrode-opening repulsing sections,an electrode closing capacitor for supplying current to said electrode closing-and-opening coil when closing said electrodes,an electrode opening capacitor for supplying current to said electrode closing-and-opening coil when opening said electrodes, anda charging power supply for charging said electrode closing and opening capacitors.