ACTUATOR USING EXPLOSION GAS PRESSURE FOR ULTRA HIGH VOLTAGE SWITCHGEAR AND ULTRA HIGH VOLTAGE SWITCHGEAR HAVING THE SAME

ACTUATOR USING EXPLOSION GAS PRESSURE FOR ULTRA HIGH VOLTAGE SWITCHGEAR AND ULTRA HIGH VOLTAGE SWITCHGEAR HAVING THE SAME

PURPOSE: An actuator using explosion gas pressure for ultra high voltage switchgear and an ultra high voltage switchgear having the same are provided to offer the opening driving force for a long period by linearly driving the output shaft using the explosion pressure force. CONSTITUTION: A supporti...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: CHOI, JOUNG UNG, AHN, IL CHUL
Format: Patent
Sprache:eng ; kor
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
RELAYS
SELECTORS
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Beschreibung
Zusammenfassung:PURPOSE: An actuator using explosion gas pressure for ultra high voltage switchgear and an ultra high voltage switchgear having the same are provided to offer the opening driving force for a long period by linearly driving the output shaft using the explosion pressure force. CONSTITUTION: A supporting frame(1) comprises a gas cylinder(4) communicating with a combustion chamber(3). A piston(8) moves linearly into and out of the gas cylinder. A breeching block(6) moves linearly with the piston in the same direction. A latch(12) is located to contact the breeching block. A first spring(11) applies the elastic pressure on the breeching block task.