Stress control coating for high voltage conductor insulation
OwnerAleksandr Iosifovich Khazanovinventor
Life of this patent
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Abstract
A conductor and method of fabricating a conductor for a high voltage rotating machine. The conductor includes a conductor stack and conductor insulation surrounding the conductor stack. The conductor insulation includes a stress control coating. The stress control coating includes an inner layer including semiconducting paint, a middle layer including semiconducting tape, and an outer layer including semiconducting paint.
Claims19
A conductor for a high voltage rotating machine, the conductor comprising:
- a conductor stack;
- and
- conductor insulation surrounding the conductor stack, the conductor insulation comprising a stress control coating,
- wherein the stress control coating comprises
- an inner layer comprising semiconducting paint,
- a middle layer comprising semiconducting tape, and
- an outer layer comprising semiconducting paint, and
- wherein the inner layer covers a first length of the conductor and the middle layer cover a second length of the conductor, and wherein the first length is longer than the second length.
A method of fabricating a conductor of a high voltage machine, the method comprising the steps of:
- applying a stress control coating to an insulated conductor, the applying the stress control coating comprising:
- coating the insulated conductor with at least one coat of semiconducting paint to form a coated conductor,
- wrapping the coated conductor with at least one wrap of semiconducting tape to form a wrapped conductor, and
- coating the wrapped conductor with at least one coat of semiconducting tape,
- wherein the coating of the insulator conductor is applied for a first length and the wrapping of the coated conductor is applied for a second length, and wherein the first length is longer than the second length.
A conductor for a high voltage rotating machine, the conductor comprising:
- a conductor stack;
- and
- conductor insulation surrounding the conductor stack, the conductor insulation comprising a stress control coating,
- wherein the stress control coating comprises
- an inner layer comprising semiconducting paint,
- a middle layer comprising semiconducting tape, and
- an outer layer comprising semiconducting paint, and
- wherein the semiconducting paint that comprises semiconducting particles and epoxy resin, and
- wherein the semiconducting particles comprise silicon carbide particles having a shape and size allowing for interlock.
A method of fabricating a conductor of a high voltage machine, the method comprising the steps of:
- applying a stress control coating to an insulated conductor, the applying the stress control coating comprising:
- coating the insulated conductor with at least one coat of semiconducting paint to form a coated conductor,
- wrapping the coated conductor with at least one wrap of semiconducting tape to form a wrapped conductor, and
- coating the wrapped conductor with at least one coat of semiconducting tape,
- wherein the semiconducting paint that comprises semiconducting particles and epoxy resin, and
- wherein the semiconducting particles comprise silicon carbide particles having a shape and size allowing for interlock.
Dependencies are inferred from the claim text.