IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0196208
(2005-08-03)
|
우선권정보 |
GB-0417596.4(2004-08-06) |
발명자
/ 주소 |
- Graf,Richard
- Schad,Norbert Emil
|
출원인 / 주소 |
- Tyco Electronics Raychem GmbH
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
23 인용 특허 :
1 |
초록
▼
The present invention provides a high voltage connector arrangement comprising an elongate electrically insulated module, which may be an insulated and screened surge arrester module, and an insulated connector for connecting the module to electrical equipment, which may be switchgear. The arrangeme
The present invention provides a high voltage connector arrangement comprising an elongate electrically insulated module, which may be an insulated and screened surge arrester module, and an insulated connector for connecting the module to electrical equipment, which may be switchgear. The arrangement may be such that components of the module are protected from excess current flow therethrough, or the electrical field at the connector end of the conductive layer screen of the module is reduced. In an embodiment, the arrangement can achieve both of these results. The protection of the module is achieved by placing an electrode of the module within an insulated, and advantageously screened, arm of the connector adjacent the end of the conductive layer screen of the module. The electrode may comprise the electrode at one end of the module or may be spaced therefrom, for example by a component of the module. The electrical field stress may be reduced by suitable shaping of the electrode at the end of the conductive layer screen of the module.
대표청구항
▼
What is claimed is: 1. A high voltage connector arrangement comprising: an elongate electrically insulated module, and an insulated connector for connecting the module to electrical equipment, wherein the module comprises an electrical component and an electrode at each end of and in contact with t
What is claimed is: 1. A high voltage connector arrangement comprising: an elongate electrically insulated module, and an insulated connector for connecting the module to electrical equipment, wherein the module comprises an electrical component and an electrode at each end of and in contact with the electrical component, the electrical component and the electrodes being enclosed within electrically insulating material, a conductive layer being applied over the insulating material so as to extend from one end of the module to enclose one of the electrodes and the electrical component and to overlap the other electrode, thereby extending only partway along the length of the module, wherein the module is sealingly inserted in an electrically insulating arm of the connector such that an exposed portion of insulating material and a portion of the conductive layer of the module are enclosed within the connector and such that the insulating arm of the connector overlaps the conductive layer overlapping of the module, and wherein the other electrode is tapered inwardly from the module away from its outer surface in the region of the overlap so as to reduce electrical stress. 2. An arrangement according to claim 1, wherein the other electrode tapers inwardly from each end thereof to a narrower intermediate section. 3. An arrangement according to claim 1, wherein the other electrode is formed of two parts, having shaping in one part, and a uniform cross-section being located at the end of the module in the other part. 4. A high voltage connector arrangement comprising: an elongate electrically insulated module, and an insulated connector for connecting the module to electrical equipment, wherein the module comprises an electrical component and an electrode at each end of and in contact with the electrical component, the electrical component and the electrodes being enclosed within electrically insulating material and a conductive layer being applied over the insulating material so as to extend from one end of the module to enclose one of the electrodes and the electrical component and to overlap the other electrode, thereby extending only partway along the length of the module, wherein the other electrode extends longitudinally away from the electrical component and is shaped so as to reduce electrical stress at the end of the conductive layer, wherein the module is sealingly inserted in an electrically insulating arm of the connector such that an exposed portion of the insulating material and a portion of the conductive layer of the module are enclosed within the connector such that the insulating arm thereof overlaps the conductive layer overlap, and wherein the module comprises a further electrical component and a further electrode enclosed within the insulating material, wherein the further electrode is disposed at the end of the module remote from the one end, and wherein the further electrical component is disposed between the further electrode and the other electrode. 5. An arrangement according to claim 4, wherein the other electrode extends beyond the end of the arm of the connector. 6. An arrangement according to claim 4, wherein at least the electrically insulating arm of the connector has an electrically conductive outer surface. 7. An arrangement according to claim 4, wherein the module and the arm of the connector are of generally cylindrical construction. 8. An arrangement according to claim 4, wherein shaping of the other electrode comprises a reducing of the transverse dimension of the other electrode away from the electrical component. 9. An arrangement according to claim 8, wherein the reducing of the transverse dimension of the other electrode comprises a gradual tapering thereof. 10. An arrangement according to claim 4, wherein the electrical module comprises a surge arrester. 11. An arrangement according to claim 10, wherein the electrical component of the module comprises a metal oxide varistor. 12. A method of reducing electrical stress at the end of a conductive layer of an elongate electrically insulated module that is sealingly mounted in an insulated connector for connection to electrical equipment, comprising: applying an insulating material to the module so as to surround an electrode at each end thereof and an electrical component that extends between the electrodes, a further electrical component and a further electrode being enclosed within the insulating material, the further electrode being disposed at the end of the module remote from the other end, and the further electrical component being disposed between the further electrode and the other electrode, applying a conductive layer to the module on top of the insulating material so as to extend from enclosing the electrode at one end thereof to enclose the electrical component and to terminate partway along enclosing the other electrode, and inserting the module into the connector such that the insulation of the connector overlaps the conductive layer on the module. 13. A method of reducing electrical stress at the end of a conductive layer of an elongate electrically insulated module that is sealingly mounted in an insulated connector for connection to electrical equipment, comprising: applying insulating material to the module so as to surround an electrode at each end thereof and an electrical component that extends between the electrodes, applying a conductive layer to the module on top of the insulating material so as to extend from enclosing one electrode at one end thereof to enclose the electrical component and to terminate partway along enclosing the other electrode, and shaping the other electrode so it extends longitudinally away from the electrical component to reduce electrical stress at the adjacent end of the conductive layer on the module, the other electrode being tampered inwardly from the module away from its outer surface.
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