FIELD: electricity.
SUBSTANCE: present invention relates to the dielectric insulating medium containing: a) sulphur hexafluoride (SF6), and/or tetrafluoromethane (CF4), and/or trifluoridemethane (CF3I), and/or nitrogen oxide (NO2, NO, N2O) in mixture with b) at least one additional component at least partially presented by fluorated fluorine ketone, that can be used in insulation of electrically active part in different electric devices, such as switching equipment or transformers. Besides the invention relates to the device to generate, to distribute and/or to use electric energy, which insulating space contains the suggested insulation medium.
EFFECT: suggested dielectric insulation medium has high dielectric strength.
47 cl, 4 dwg
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