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    Finding substitutes for sulfur hexafluoride (Sulfr hexafluoride), a gas with extremely high global warming potential, has been a persistent effort for years in the field of high voltage power equipment, which

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    Gas-insulated high-voltage switchgear (GIS) is a compact metal encapsulated switchgear consisting of high-voltage components such as circuit-breakers and disconnectors, which can be safely operated in confined spaces

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    Based upon available data, inorganic fluoride compounds, with the exception of sulfur hexafluoride, are not expected to remain in the troposphere for long periods or to migrate to the stratosphere. Estimates of the residence time of sulfur hexafluoride in the atmosphere range from 500 to several thousand years (Ramanathan et al., 1985; Chu, 1991).

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    La ventilación se refiere a la liberación intencional de gas del equipo o la operación de los procesos para el aire ambiente, tales como accionadores neumáticos 19. En las instalaciones de petróleo y gas natural en tierra, las emisiones fugitivas representan el ~ 30% de las emisiones totales de metano 20.

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    EPRI AC Transmission Line Reference Book—200 kV and Above, Third Edition

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    The most commonly used tracer gases are: sulfur hexafluoride (SF 6 ). This technique was developed as an alternative to the use of isotopes. A necklace is placed which holds a capillary on the nose, through which a sample of expired air is collected and stored in a vacuum tube placed around the neck of the animal.

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    The number of plates in the arc chute is dependent on the short-circuit rating and nominal voltage of the circuit breaker.In larger ratings, oil circuit breakers rely upon vaporization of some of the oil to blast a jet of oil through the arc.[4]Gas (usually sulfur hexafluoride) circuit breakers sometimes stretch the arc using a magnetic field

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    The number of plates in the arc chute is dependent on the short-circuit rating and nominal voltage of the circuit breaker.In larger ratings, oil circuit breakers rely upon vaporization of some of the oil to blast a jet of oil through the arc.[4]Gas (usually sulfur hexafluoride) circuit breakers sometimes stretch the arc using a magnetic field

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    Los equipos construidos por la sociedad de Abengoa comprenden cuadros de media tensión de 4,16/7,2 kilovoltios, celdas de puesta a tierra de neutro de transformadores, cuadros de distribución de baja tensión, celdas de transformadores de potencia, cuadros de baja tensión para servicios esenciales, centros de control de motores, paneles de protección de transformadores y paneles de emergencia.

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    Su principal objetivo es la seguridad de las personas, evitando que las mismas puedan ser afectadas por corrientes eléctricas al entrar en contacto con el equipo en falla. A diferencia de los fusibles, que deben ser reemplazados tras un único uso, el disyuntor puede ser rearmado una vez localizado y reparado el problema que haya causado su

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