JP5948245B2 - 絶縁導体の接続のための圧縮接続ジョイント - Google Patents
絶縁導体の接続のための圧縮接続ジョイント Download PDFInfo
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Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/005—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for cutting cables or wires, or splicing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/70—Insulation of connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/533—Bases, cases made for use in extreme conditions, e.g. high temperature, radiation, vibration, corrosive environment, pressure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/02—Soldered or welded connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49194—Assembling elongated conductors, e.g., splicing, etc.
- Y10T29/49195—Assembling elongated conductors, e.g., splicing, etc. with end-to-end orienting
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- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Description
いくつかの実施例(ただし、これらに限られるわけではない)を後述する。
図5に示した実施形態と同様の取付具250の実施形態を使用するサンプルを、地下ヒータとしての使用に適する中程度の電圧の絶縁導体を取付具の片側に、上層土のケーブルとしての使用に適する中程度の電圧の絶縁導体を取付具の反対側に使用し、水圧/油圧による圧縮装置を使用して製造した。酸化マグネシウムを、取付具における電気絶縁材料として使用した。サンプルの長さは、一方の無機絶縁導体の端部から他方まで6フィートとした。電気試験に先立ち、サンプルを長さ6.5フィートのオーブンに配置し、850°Fで30時間にわたって乾燥させた。150°Fへの冷却後に、無機絶縁導体の端部をエポキシを使用して封じた。次いで、サンプルを加熱すべく長さ3フィートのオーブンに配置し、漏れ電流の全体および実成分の両方を測定することができる5kV(最大)のハイポットテスタを使用してサンプルに電圧を印加した。3つの熱電対をサンプルに配置し、平均を温度測定値とした。サンプルは、取付具をオーブンの中心に位置させてオーブンに配置した。周囲のDC(直流)応答およびAC(交流)漏れ電流を、ハイポットテスタを使用して測定した。
図8Bに示した実施形態と同様の取付具270の実施形態を使用する3つのサンプルを製作した。サンプルを、3つではなくて2つの絶縁導体で製作し、室温で絶縁破壊まで試験した。1つのサンプルは、5kVに耐えて絶縁破壊し、2つ目のサンプルは4.5kVに耐えて絶縁破壊し、3つ目のサンプルは500Vにしか耐えることができず、これは製造における欠陥を示唆している。
Claims (24)
- 第1の絶縁導体の端部を第2の絶縁導体の端部へと接続するための取付具であって、
第1の絶縁導体の端部を覆って配置され、第1の絶縁導体へと接続される第1のスプライスハウジングであって、第1の絶縁導体の端部に向かって第1のスプライスハウジングの端部における大きい方の直径から、第1の絶縁導体へと接続される第1のスプライスハウジングの端部または端部付近における小さい方の直径へと、テーパ状をなす内部空間を有している第1のスプライスハウジングと、
第2の絶縁導体の端部を覆って配置され、第2の絶縁導体へと接続される第2のスプライスハウジングであって、第2の絶縁導体の端部に向かって第2のスプライスハウジングの端部における大きい方の直径から、第2の絶縁導体へと接続される第2のスプライスハウジングの端部または端部付近における小さい方の直径へと、テーパ状をなす内部空間を有している第2のスプライスハウジングと、
第2の絶縁導体の端部を覆うとともに第2のスプライスハウジングに隣接して位置しており、スプライスハウジングのうちの少なくとも一方へと接続されるスリーブとを備えており、
絶縁導体の少なくとも一方が、取付具の内部において絶縁導体のジャケットから絶縁導体のコアへとある角度でテーパ状である電気絶縁体を備えており、
取付具の内部空間が、電気絶縁材料で実質的に満たされており、該取付具の内部空間は、内部空間を実質的に満たしている電気絶縁材料が圧縮されるように減少させられている、前記取付具。 - 電気絶縁材料が、圧縮後に、2つの絶縁導体のうちの少なくとも一方の電気絶縁体と実質的に同様の誘電特性を有する、請求項1に記載の取付具。
- 絶縁導体のコアが、当該取付具の内部空間においてつなぎ合わせられている、請求項1に記載の取付具。
- 当該取付具の内部空間が、第1のスプライスハウジングと第2のスプライスハウジングとを押し合わせることによって減少させられている、請求項1に記載の取付具。
- 絶縁導体の端部の間の真ん中に位置合わせされる、請求項1に記載の取付具。
- 第1の絶縁導体へと接続される端部または端部付近における第1のスプライスハウジングの内部空間の直径が、第1の絶縁導体の外径よりも小さい、請求項1に記載の取付具。
- 第1の絶縁導体へと接続される端部または端部付近における第1のスプライスハウジングの内部空間の直径が、第1の絶縁導体の外径と実質的に同じである、請求項1に記載の取付具。
- 電気絶縁材料が、2つの絶縁導体のうちの少なくとも一方における電気絶縁と実質的に同様の材料を含んでいる、請求項1に記載の取付具。
- スリーブおよびスプライスハウジングが、当該取付具が絶縁導体へと接続されたときに当該取付具と絶縁導体との界面における電界強度を下げる形状を有している、請求項1に記載の取付具。
- 絶縁導体の少なくとも一方が、地下の地層を加熱するために使用されるように構成されている、請求項1に記載の取付具。
- 第1のスプライスハウジングが、第1の絶縁導体の端部の外側へと滑らされる、請求項1に記載の取付具。
- 第2のスプライスハウジングが、第2の絶縁導体の端部の外側へと滑らされる、請求項1に記載の取付具。
- 第1の絶縁導体の端部を第2の絶縁導体の端部へと接続するための方法であって、
第1のスプライスハウジングを第1の絶縁導体の端部を覆って配置するステップと、
第2のスプライスハウジングを第2の絶縁導体の端部を覆って配置するステップとを含んでおり、
第1および第2のスプライスハウジングが、互いに面するスプライスハウジングの端部または端部付近における大きい方の直径から、絶縁導体へと接続されるスプライスハウジングの端部または端部付近における小さい方の直径へと、テーパ状をなす内部空間を有しており、前記方法がさらに、
スリーブを、該スリーブが第2のスプライスハウジングに実質的に隣接するとともに第2の絶縁導体の端部を覆って位置するように、第2の絶縁導体および第2のスプライスハウジングを覆って配置するステップと、
第1のスプライスハウジングを第1の絶縁導体へと接続するステップと、
第1および第2のスプライスハウジングおよびスリーブによって内部空間を有する前記取付具が形成されるように、第2のスプライスハウジングおよびスリーブを第1のスプライスハウジングと組み合わせるステップと、
第2のスプライスハウジングおよびスリーブを第1のスプライスハウジングに組み合わせた後、取付具の内部空間の少なくとも大部分を電気絶縁材料で実質的に満たすステップと、
取付具の内部空間を減少させ、内部空間を実質的に満たしている電気絶縁材料を圧縮するステップと、
スリーブを第2のスプライスハウジングに接続するステップと、
第2のスプライスハウジングを第2の絶縁導体に接続するステップとを含んでおり、
絶縁導体の少なくとも一方が、取付具の内部において絶縁導体のジャケットから絶縁導体のコアへとある角度でテーパ状である電気絶縁体を備えている、前記方法。 - 第1の絶縁導体のコアを第2の絶縁導体のコアへと接続するステップをさらに含んでいる、請求項13に記載の方法。
- 第1のスプライスハウジングと第2のスプライスハウジングとを押し合わせることによって取付具の内部空間を減少させるステップをさらに含んでいる、請求項13に記載の方法。
- 第2のスプライスハウジングを第2の絶縁導体に接続した後で取付具の内部空間を減少させるステップをさらに含んでいる、請求項13に記載の方法。
- 圧縮された電気絶縁材料が、2つの絶縁導体のうちの少なくとも一方における電気絶縁と実質的に同様の誘電特性を有している、請求項13に記載の方法。
- 絶縁導体および取付具を地下の地層に設置するステップをさらに含んでいる、請求項13に記載の方法。
- 絶縁導体に電流を加え、絶縁導体のうちの少なくとも一方からの熱を地下の地層の少なくとも一部分へともたらすステップをさらに含んでいる、請求項13に記載の方法。
- 電気絶縁材料を少なくとも25,000ポンド/平方インチ(172.37MPa)の圧力で圧縮するステップをさらに含んでいる、請求項13に記載の方法。
- 第1のスプライスハウジングを第1の絶縁導体の端部の外側へと滑らすステップと、第2のスプライスハウジングを第2の絶縁導体の端部の外側へと滑らすステップと、スリーブを第2の絶縁導体および第2のスプライスハウジングの外側へと滑らすステップと、をさらに含んでいる、請求項13に記載の方法。
- 取付具の内部空間を減少させながら取付具を振動させるステップをさらに含んでいる、請求項13に記載の方法。
- 取付具の内部空間を減少させるステップが、水圧/油圧を印加するステップからなる、請求項13に記載の方法。
- 取付具の内部空間を減少させるステップが、取付具に対してスエージ法を使用するステップからなる、請求項13に記載の方法。
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US61/322,664 | 2010-04-09 | ||
PCT/US2010/052022 WO2011044487A1 (en) | 2009-10-09 | 2010-10-08 | Compacted coupling joint for coupling insulated conductors |
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