IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0573158
(2000-05-19)
|
발명자
/ 주소 |
- Rolling, David J.
- Stegehuis, Richard L.
- Marusinec, Richard M.
- Ferrito, Sam J.
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
21 인용 특허 :
19 |
초록
An electrical apparatus includes at least one conductor and an insulation paper surrounding at least part of the conductor. The insulation paper includes a wood pulp fiber, a synthetic fiber, and a binder material. The synthetic fiber is present at between approximately 2 and 25 weight percent.
대표청구항
▼
1. An electrical apparatus comprising:at least one conductor; and an insulation paper surrounding at least part of the conductor, wherein the insulation paper comprises a wood pulp fiber, between approximately 2 and 25 weight percent of a synthetic fiber, and a binder material. 2. The electrical app
1. An electrical apparatus comprising:at least one conductor; and an insulation paper surrounding at least part of the conductor, wherein the insulation paper comprises a wood pulp fiber, between approximately 2 and 25 weight percent of a synthetic fiber, and a binder material. 2. The electrical apparatus of claim 1, wherein the synthetic fiber comprises one or more of an aramid fiber, a syndiotactic polystyrene fiber, a polyphenylsulfone fiber, a polyphthalamide fiber, or a polyphenylene sulfide fiber.3. The electrical apparatus of claim 1, wherein the synthetic fiber has a denier of between approximately 1 and 15.4. The electrical apparatus of claim 3, wherein the synthetic fiber has a denier of between approximately 2 and 5.5. The electrical apparatus of claim 1, wherein the synthetic fiber has a length of between approximately 0.1 and 1.0 inches.6. The electrical apparatus of claim 5, wherein the synthetic fiber has a length of between approximately 0.25 and 0.75 inches.7. The electrical apparatus of claim 1, wherein the binder material comprises polyvinyl alcohol.8. The electrical apparatus of claim 1, wherein the binder material comprises polyvinyl butyral.9. The electrical apparatus of claim 1, wherein the binder material comprises acrylic resin.10. The electrical apparatus of claim 1, wherein the composition of the insulation paper comprises between approximately 5 and 20 weight percent synthetic fiber.11. The electrical apparatus of claim 10, wherein the composition of the insulation paper comprises between approximately 7 and 15 weight percent synthetic fiber.12. The electrical apparatus of claim 1, wherein the composition of the insulation paper further comprises between approximately 5 and 35 weight percent binder.13. The electrical apparatus of claim 1, wherein the composition of the insulation paper further comprises between approximately 10 and 30 weight percent binder.14. The electrical apparatus of claim 1, wherein the composition of the insulation paper further comprises between approximately 15 and 25 weight percent binder.15. The electrical apparatus of claim 1, wherein the composition of the insulation paper further comprises between approximately 40 and 93 weight percent wood pulp fiber.16. The electrical apparatus of claim 1, wherein the composition of the insulation paper further comprises between approximately 50 and 85 weight percent wood pulp fiber.17. The electrical apparatus of claim 1, wherein the composition of the insulation paper further comprises between approximately 60 and 78 weight percent wood pulp fiber.18. The electrical apparatus of claim 1, wherein the composition of the insulation paper comprises:approximately 10 weight percent aramid fiber; approximately 20 weight percent polyvinyl alcohol; and approximately 70 weight percent wood pulp fiber. 19. The electrical apparatus of claim 1, wherein the insulation paper further comprises at least one layer of a thermal stabilizing chemical applied to a surface of the paper.20. The electrical apparatus of claim 19, wherein the thermal stabilizing chemical comprises dicyandiamide.21. The electrical apparatus of claim 1, wherein the conductor comprises a winding, the winding is insulated by insulation paper, the winding and the insulation paper are installed in an enclosure, and a dielectric fluid in the enclosure surrounds the winding and the insulation paper.22. The electrical apparatus of claim 21, wherein the winding comprises a component of a transformer.23. The electrical apparatus of claim 22, wherein the transformer comprises an autotransformer.24. The electrical apparatus of claim 23, wherein the autotransformer comprises a component of a voltage regulator.25. The electrical apparatus of claim 21, wherein the winding comprises a component of an autotransformer.26. The electrical apparatus of claim 21, wherein the winding comprises a component of a reactor.27. The electrical apparatus of claim 22, wherein the transformer comprises a component of a voltage regulator.28. The electrical apparatus of claim 21, wherein the dielectric fluid comprises a mineral oil.29. The electrical apparatus of claim 21, wherein the dielectric fluid comprises silicone oil.30. The electrical apparatus of claim 21, wherein the dielectric fluid comprises an ester oil.31. The electrical apparatus of claim 21, wherein the dielectric fluid comprises a hydrocarbon fluid.32. The electrical apparatus of claim 1, wherein the insulation paper comprises pressboard.33. The electrical apparatus of claim 1, wherein the insulation paper comprises crepe paper.34. An electrical apparatus comprising:at least one conductor; and an insulation paper surrounding at least part of the conductor, wherein the insulation paper comprises a wood pulp fiber, a binder material and a synthetic fiber comprising at least one of an aramid fiber, a syndiotactic polystyrene fiber, a polyphenylsulfone fiber, a polyphthalamide fiber, and a polyphenylene sulfide fiber. 35. The electrical apparatus of claim 34, wherein the composition of the insulation paper comprises between approximately 2 and 25 weight percent synthetic fiber.36. The electrical apparatus of claim 34, wherein the composition of the insulation paper comprises between approximately 5 and 20 weight percent synthetic fiber.37. The electrical apparatus of claim 34, wherein the composition of the paper comprises between approximately 7 and 15 weight percent synthetic fiber.38. An electrical apparatus comprising:at least one conductor; and an insulation paper surrounding at least part of the conductor, wherein the insulation paper comprises a wood pulp fiber, aramid fiber, and a binder material.
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