GROUND TEST SWITCH FOR GAS INSULATED SWITCHGEAR

The device includes a device for locking a movable contact member against movement in response to detachment of a grounding conductor. When a measurement test is completed in a condition in which the movable member remains open, the member is locked in that condition. The switch includes a closed ve...

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Bibliographische Detailangaben
Hauptverfasser:	MIWADA, SATOSHI, NAKANO, HARUJI
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS BOARDS, SUBSTATIONS, OR SWITCHING ARRANGEMENTS FOR THE SUPPLYOR DISTRIBUTION OF ELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE DEVICES GENERATION RELAYS SELECTORS
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Beschreibung
Zusammenfassung:	The device includes a device for locking a movable contact member against movement in response to detachment of a grounding conductor. When a measurement test is completed in a condition in which the movable member remains open, the member is locked in that condition. The switch includes a closed vessel enclosing a high-voltage conductor and filled with an electrical insulating medium and a terminal plate electrically insulated from the vessel with the contact member electrically connected to the plate so as to be movable toward and away from the conductor.