Bushing for a medium voltage switchgear
AssigneeABB Schweiz AG
InventorsJosef Cernohous, Jakub Horak, Dariusz Bednarowski
Life of this patent
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Abstract
A bushing for a metal clad medium voltage switchgear includes a hollow body and a t-off and pin assembly. The hollow body is made from polyamide. The t-off and pin assembly is made from polyamide. A first end of the hollow body is configured to connect to a compartment of a medium voltage switchgear. The t-off and pin assembly is configured to connect to a second end of the hollow body. The t-off and pin assembly is configured to connect to a T-off and pin.
Claims12
A bushing for a metal clad medium voltage switchgear, the bushing comprising:
- a hollow body;
- and a t-off and pin assembly;
- wherein the hollow body is made from polyamide;
- wherein the t-off and pin assembly is made from polyamide;
- wherein a first end of the hollow body is configured to connect to a compartment of a medium voltage switchgear;
- wherein the t-off and pin assembly is configured to connect to a second end of the hollow body;
- wherein the t-off and pin assembly is configured to connect to a T-off and pin;
- wherein the t-off and pin assembly comprises at least one t-off fixation hole with an integrated washer;
- and wherein the t-off and pin assembly comprises a pin opening.
A bushing system for a metal clad medium voltage switchgear, the bushing system comprising:
- a hollow body;
- a first t-off and pin assembly;
- and a second t-off and pin assembly;
- wherein the hollow body is made from polyamide;
- wherein the first t-off and pin assembly is made from polyamide;
- wherein the first t-off and pin assembly has a pin opening of a first size;
- wherein the second t-off and pin assembly is made from polyamide;
- wherein the second t-off and pin assembly has a pin opening of a second size;
- wherein the pin opening of the first size and the pin opening of the second size are different in size;
- wherein a first end of the hollow body is configured to connect to a compartment of a medium voltage switchgear;
- wherein the first t-off and pin assembly is configured to connect to a second end of the hollow body;
- wherein the second t-off and pin assembly is configured to connect to the second end of the hollow body;
- wherein the first t-off and pin assembly is configured to connect to a T-off and pin;
- wherein the second t-off and pin assembly is configured to connect to a T-off and pin;
- and wherein in use either the first t-off and pin assembly is connected to the hollow body or the second t-off and pin assembly is connected to the hollow body.
Dependencies are inferred from the claim text.