Mixture of hydrofluoroolefin and fluoroketone for use as a mixture of insulation and / or arc extinction and high voltage electrical apparatus a gas insulation the comprising

摘要

The invention relates to the use of a mixture including a hydrofluoroolefin and a fluoroketone, optionally associated with a dilution gas, as an electric insulating and/or electric-arc-extinguishing medium in a high-voltage electrical device. It also relates to a high-voltage electrical device in which electric insulation and/or electric-arc-extinguishing is/are provided by a mixture comprising a hydrofluoroolefin and a fluoroketone, optionally associated with a dilution gas.