Electrical equipment, filling equipment, and storage equipment

Abstract

Electric equipment having a ground tank in which a conductor is disposed, wherein the ground tank is filled with insulating arc extinguishing gas, the insulating arc extinguishing gas is trapped in the ground tank by a sealing member, the insulating arc extinguishing gas contains at least one selected from the group consisting of hydrofluoroolefin having 3 or 4 carbon atoms and hydrochlorofluoroolefin having 3 or 4 carbon atoms, and the sealing member contains at least one selected from the group consisting of ethylene propylene rubber, styrene butadiene rubber, isobutylene-isoprene rubber, chloroprene rubber, natural rubber, nitrile rubber, hydrogenated nitrile rubber, urethane rubber, chlorosulfonated polyethylene rubber, vinylidene fluoride-based fluororubber, tetrafluoroethylene perfluorovinylether-based rubber, and polytetrafluoroethylene.

Claims

1. It has a grounding tank with a conductor placed inside, The grounding tank is filled with insulating arc-extinguishing gas. The insulating arc-extinguishing gas is contained within the grounding tank by the sealing member. The insulating arc-extinguishing gas comprises 1-chloro-2,3,3,3-tetrafluoropropene, Electrical equipment wherein the sealing member includes at least one selected from the group consisting of ethylene propylene rubber, isobutylene / isoprene rubber, chloroprene rubber, natural rubber, nitrile rubber, hydrogenated nitrile rubber, urethane rubber, chlorosulfonated polyethylene rubber, vinylidene fluoride-based fluororubber, tetrafluoroethylene-perfluorovinyl ether-based rubber, and polytetrafluoroethylene.

2. The aforementioned insulating arc-extinguishing gas further contains He, Ar, and CO ２ , N ２ , O ２、 N ２ O, CH ４ The electrical installation according to claim 1, comprising at least one diluent gas selected from the group consisting of air, and the other.

3. The electrical equipment according to claim 1 or 2, wherein the sealing member includes at least one selected from the group consisting of hydrogenated nitrile rubber, vinylidene fluoride-based fluororubber, tetrafluoroethylene-perfluorovinyl ether-based rubber, and polytetrafluoroethylene.

4. A filling apparatus for filling an insulating arc extinguishing gas into a grounding tank of an electrical installation according to any one of claims 1 to 3, The insulating arc-extinguishing gas is contained within the filling equipment by the sealing member. The insulating arc-extinguishing gas comprises 1-chloro-2,3,3,3-tetrafluoropropene, A filling apparatus in which the sealing member includes at least one selected from the group consisting of ethylene propylene rubber, isobutylene / isoprene rubber, chloroprene rubber, natural rubber, nitrile rubber, hydrogenated nitrile rubber, urethane rubber, chlorosulfonated polyethylene rubber, vinylidene fluoride-based fluororubber, tetrafluoroethylene-perfluorovinyl ether-based rubber, and polytetrafluoroethylene.

5. The arc-extinguishing insulating gas further contains at least one dilution gas selected from the group consisting of He, Ar, CO ２ , N ２ , O ２、 N ２ O, CH ４ , and air. The filling equipment according to claim 4.

6. The filling equipment according to claim 4 or 5, wherein the sealing member includes at least one selected from the group consisting of hydrogenated nitrile rubber, vinylidene fluoride-based fluororubber, tetrafluoroethylene-perfluorovinyl ether-based rubber, and polytetrafluoroethylene.

7. A storage device for storing insulating arc extinguishing gas to be filled into a grounding tank of an electrical installation according to any one of claims 1 to 3, The insulating arc-extinguishing gas is contained within the storage facility by the sealing member. The insulating arc-extinguishing gas comprises 1-chloro-2,3,3,3-tetrafluoropropene, A storage facility wherein the sealing member includes at least one selected from the group consisting of ethylene propylene rubber, isobutylene / isoprene rubber, chloroprene rubber, natural rubber, nitrile rubber, hydrogenated nitrile rubber, urethane rubber, chlorosulfonated polyethylene rubber, vinylidene fluoride-based fluororubber, tetrafluoroethylene-perfluorovinyl ether-based rubber, and polytetrafluoroethylene.

8. The aforementioned insulating arc-extinguishing gas further contains He, Ar, and CO ２ , N ２ , O ２、 N ２ O, CH ４ The storage apparatus according to claim 7, comprising at least one diluent gas selected from the group consisting of air.

9. The storage equipment according to claim 7 or 8, wherein the sealing member includes at least one selected from the group consisting of hydrogenated nitrile rubber, vinylidene fluoride-based fluororubber, tetrafluoroethylene-perfluorovinyl ether-based rubber, and polytetrafluoroethylene.

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