CAPACITOR BUSHING AND MANUFACTURING METHOD THEREOF
PROBLEM TO BE SOLVED: To provide a small and reliable capacitor bushing reducing an insulation size by improving electric insulation performance.SOLUTION: A capacitor bushing comprises: a bushing; a central conductor 1 provided in the bushing; and a capacitor core 15 that multiple electrodes 3 and i...
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| Format: | Patent |
| Sprache: | eng ; jpn |
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| Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a small and reliable capacitor bushing reducing an insulation size by improving electric insulation performance.SOLUTION: A capacitor bushing comprises: a bushing; a central conductor 1 provided in the bushing; and a capacitor core 15 that multiple electrodes 3 and insulating layers 14 are arranged concentrically around the central conductor 1 in the bushing. At least one part of the insulating layers 14 in the capacitor core 15 is formed with a material having nonlinear dielectric constant characteristics that the dielectric constant rises for electric field.SELECTED DRAWING: Figure 1
【課題】電気絶縁性能を向上させることによって絶縁寸法を縮小し、小形で信頼性の高いコンデンサブッシングを提供する。【解決手段】実施形態によれば、コンデンサブッシングは、碍管と、碍管内に設置された中心導体１と、碍管内で中心導体１の外周に複数の電極３と絶縁層１４が同心状に配置されたコンデンサコア１５と、を備えたコンデンサブッシングにおいて、コンデンサコア１５内の絶縁層１４の少なくとも一部が、電界に対して誘電率が上昇する非線形誘電率特性を有する材料により形成されている。【選択図】図１ |
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