TW453010B - A turbo-generator plant - Google Patents
A turbo-generator plant Download PDFInfo
- Publication number
- TW453010B TW453010B TW086107963A TW86107963A TW453010B TW 453010 B TW453010 B TW 453010B TW 086107963 A TW086107963 A TW 086107963A TW 86107963 A TW86107963 A TW 86107963A TW 453010 B TW453010 B TW 453010B
- Authority
- TW
- Taiwan
- Prior art keywords
- power plant
- patent application
- generator
- item
- scope
- Prior art date
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M3/00—Feeding power to supply lines in contact with collector on vehicles; Arrangements for consuming regenerative power
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/288—Shielding
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/323—Insulation between winding turns, between winding layers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F29/00—Variable transformers or inductances not covered by group H01F21/00
- H01F29/14—Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/10—Composite arrangements of magnetic circuits
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/10—Composite arrangements of magnetic circuits
- H01F3/14—Constrictions; Gaps, e.g. air-gaps
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
- H02H3/025—Disconnection after limiting, e.g. when limiting is not sufficient or for facilitating disconnection
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/04—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for rectification
- H02K11/049—Rectifiers associated with stationary parts, e.g. stator cores
- H02K11/05—Rectifiers associated with casings, enclosures or brackets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/12—Impregnating, heating or drying of windings, stators, rotors or machines
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/12—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
- H02K3/14—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots with transposed conductors, e.g. twisted conductors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/28—Layout of windings or of connections between windings
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/40—Windings characterised by the shape, form or construction of the insulation for high voltage, e.g. affording protection against corona discharges
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/48—Fastening of windings on the stator or rotor structure in slots
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2823—Wires
- H01F2027/2833—Wires using coaxial cable as wire
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F2027/329—Insulation with semiconducting layer, e.g. to reduce corona effect
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F29/00—Variable transformers or inductances not covered by group H01F21/00
- H01F29/14—Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias
- H01F2029/143—Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias with control winding for generating magnetic bias
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/16—Stator cores with slots for windings
- H02K1/165—Shape, form or location of the slots
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2203/00—Specific aspects not provided for in the other groups of this subclass relating to the windings
- H02K2203/15—Machines characterised by cable windings, e.g. high-voltage cables, ribbon cables
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- 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
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- Y10S174/00—Electricity: conductors and insulators
- Y10S174/13—High voltage cable, e.g. above 10kv, corona prevention
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- Y10S174/14—High voltage cable, e.g. above 10kv, corona prevention having a particular cable application, e.g. winding
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- Y10S174/15—High voltage cable, e.g. above 10kv, corona prevention having a particular cable application, e.g. winding in a power generation system, e.g. prime-mover dynamo, generator system
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- 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
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Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
- Windings For Motors And Generators (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
- Emergency Protection Circuit Devices (AREA)
- Control Of Eletrric Generators (AREA)
- Manufacture Of Motors, Generators (AREA)
- Coils Of Transformers For General Uses (AREA)
- Synchronous Machinery (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Coils Or Transformers For Communication (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
- Mobile Radio Communication Systems (AREA)
Description
A7 ______B7 五、發明說明( 技術領域: 本發明主要是提出一種熱力電廠的設備,以供應高電 (請先閱讀背面之沒意事項再填寫本頁) 壓配線或傳輸網路所需的有功與無效功率。更進一步說, 本發明就是一種可供應高電壓配線或傳輸網路電力的旋轉 式電機機械設備,而不需中繼的變壓器此設備中的發電 機有一磁力迴路,其通常含有一鐵心與一氣隙,一冷卻系 統以及至少一組,通常兩組分別位於靜子與轉子上的繞組 〇 背景技術 經濟部智慧財產局員工消費合作社印製 今日的熱力電廠是依據一些不同的原理來建構。所使 用的不同氣體有如天然氣,油,生化燃料,煤,或上述燃 料的混合物以及核子燃料等,使得不論在燃燒過程或核子 反應過程皆能使氣體達到極高溫度。此氣體可來自燃燒後 的廢氣或間接來自加熱的蒸氣。此加熱過程是在極爲狹小 的空間內完成,也就意味著將產生極高的壓力。然後此熱 氣可在較大的空間中輸送,所以熱能可轉換成動能。該快 速移動的氣體可以數階段方式影響輪機中的葉片,而使轉 速增加。至少有一組發電機與輪機同軸,或是經由一齒輪 將能量轉換成電力,該電力又可經由一升壓變壓器傳送至 分配線或傳輸網路,也稱之爲動力網路。 只含有一個依上述原理之單元的電廠在某些情形下可 自然成爲最佳的選擇。然而,一個電廠最好能由多組單元 所建構。如此可提供較大的彈性與堅固性以抵抗設備中的 本紙張尺度適用中國國家標準(CNS〉A4規格(210 X 297公釐) 4 經濟部智慧財產局員工消費合作社印製 4 5 3_0Τϋ Α7 _____Β7 五、發明說明(2) 千擾。不同的單元也可設計成在許多不同燃料下操作’而 可使甩當時最便宜的燃料s也有其他形式可增加電廠的整 體效率,其中某一單元的殘留熱量可被其他單元所利用。 一般常見的有兩種輪機:燃氣輪機與蒸氣輪機。燃氣 輪機是直接由燃燒氣體所帶動(在氣體清靜之後)’而蒸 氣輪機則是由高壓的蒸氣所帶動8 燃氣輪機的主要零件含有一個以上的壓縮器階段’ 一 個燃燒室,一個以上的輪機階段與一個發電機等。在許多 實例中*實際的輪機階段最好是多重型式,以使熱能的運 用達最佳化效果。輪機內相關零件的尺寸依每一階段之不 同壓力而有所不同a通常使用的是一個高壓與低壓零件, 或是一個高壓,中間與低壓零件。而壓縮器也有多重階段 ,通常是兩個。壓縮器內的壓力可予以調整以達最佳之燃 燒效果。吸入燃燒室內的空氣需加以預熱。 蒸氣輪機內的主要零件含有—個燃燒或反應爐,蒸氣 發電機,蒸氣輪機與一個電機發電機。蒸氣發電機主要是 由鋼管所組成,而鋼管外圍則被水環繞,該鋼管位於爐中 以獲得最佳的熱傳效果。高溫與高壓的蒸氣將被輸往輪機 使用。蒸氣輪機最好也能如上所述依壓力之不同而劃分成 各種不同區域。 爲達最大的效率,上述兩種組合式的輪機最好能使用 兩階段的方式,也就是一種組合循環式的電廠》比如說, 燃氣輪機電廠可利用燃氣輪機生產大部分的電力,而附加 的蒸氣發電機則利用輪機最終階段之廢氣的殘餘熱量;來發 本紙張尺度適用中國國家標準(CNS)A4規格(210 χ 297公爱) -------------Κ--------訂·--------線 1 <請先閱讀背面之注意事項再填寫本頁) 經濟部智慧財產局_工消費合作社印製 4 53ΤΓΓΡ A7 ____^7 五、發明說明(3) 電,因此可獲得額外的能量》P F B C (壓力流體化床燃 燒)型式的燃煤電廠可將燃煤做最有效與最環保的燃燒, 其可利用爐中的蒸氣發電機產生大部分的電力。蒸氣發電 •後的燃燒氣體經冷卻及除塵後可輸往燃氣輪機使用。 許多電廠也可用於分區供暖而且在許多情形下可達極 高度的全效率。 相關的電廠形式如下所述。這些電廠裡的燃氣輪機是 燃燒氣體(最好是天然氣),油或是氣油的混合物。 燃氣輪機電廠 該電廠含有一或多個單元,每一單元含有一燃氣輪機 與隨附的發電機。 組合循環式多軸燃氣輪機電廠 該電廠含有一或多個單冗,每一單元含有一燃氣輪機 與隨附的電機發電機,其中來自燃氣輪機的熱氣被輸往一 熱交換器以供蒸氣發電之用。此蒸氣可驅動蒸氣輪機與隨 附的電機發電機》 組合循環式單軸燃氣輪機電廠 該電廠含有一或多個單元,每一單元含有一燃氣輪機 與隨附的電機發電機,其中來自燃氣輪機的熱氣被輸往一 熱交換器以供蒸氣發電之用。該蒸氣可驅動與燃氣輪機之 一 ''自由端^相連的蒸氣輪機。 本紙張尺度適用令國國家標準(CNS)A4規格(210 X 297公釐) t ---1 — — — — — — — —---1 — I 訂—---------I. (請先Μ讀背面之注意事項再填寫本頁) -6 - 453010 A7 B7 經濟部智慧財產局員工消費合作社印^ 五、發明說明(4) 蒸氣電廠 該電廠爲一組合彭式C比如油’煤,PFBC,生化 .燃料等)並經由一蒸氣產生器(利用位於爐中之管線輸送 水)供應驅動蒸氣輪機與隨附之電機發電機所需的蒸氣壓 力。 核能電廠 該電廠與蒸氣電廠向相似’但蒸氣產生器是位於核子 反應爐內。 上述所有電廠的共同點在於其發電機通常利用一共同 軸,或齒輪而與輪機連接以產生電力。—發電機也可與兩 個輪機相連。此種轉換通常發生於一同步發電機中’該發 電機可產生無效功率也可轉換有功電力。輪機發電機中通 常使用兩極或四極形式的發電機’但也有其他極數與實施 例。今日發電機的典型電壓範圍是1 0 - 3 OkV之間。 通常需使用一中繼單元以使發電機能更可靠地與輸出 電力網路相連。如圖3清楚所示’絕緣的匯電條系統從發 電機1 0 0的輸出端接往含有隔離器1 0 7的發電機斷路 器中。該匯電條系統接著與輔助的動力變壓器1 0 9相連 ,也與一升壓變壓器相連。此兩個充滿油的變壓器通常置 於室外以避免爆炸。有些防爆牆也常用來保護電廠。經由 置於電廠外之開關設備內的斷路器與隔離器1 〇 8而可與 一输出網路110相連。該開關設備最好能與電廠內之許 本纸張尺度適用令國國家標準(CNS)A4規格(210 X 297公釐〉 -^--------訂 *-----1--線 (請先閱讀背面之注意事項再填寫本頁) -1 - 經濟部智慧財產局員工消費合作社印製 453010 A7 __________B7___ 五、發明說明(5) 多單元相同。 另一種使每一發電機1 〇 〇之升壓發電機1 0 6直接 與输出電力網路110連的方法是使用該升壓變壓器將發 電機的電壓轉換到一中間的電壓值,然後再將此中間電壓 經由一系統變壓器而與輸出電力網路11〇相連。在內有 許多單元的有限空間或電廠內,上述方法可提供一種較便 宜的全盤解決之法,特別是在每一單元的電力值比輸出電 力網路的電壓值更輕微的情形下。 上述解法的缺點和發電機所產生的低電壓值(1 〇-3 0 k V )有關。該匯電條系統需使用較大的銅斷面以降 低損失。發電機斷路器1 0 7常變得龐大與昂貴,以阻絕 因低電壓所導致的高電流。該升壓變壓器1 0 6很昂貴而 且也造成安全上的顧慮。也導致效率的惡化。 在個別發電機的磁力迴路中通常含有一疊片鐵心,比 如焊接的鋼片。爲使鐵心通風與冷卻,該鐵心通常被分爲 具有徑向和/或軸向通風導管的堆疊。就大機器而言,該 薄板被分成數個段落並貼附於機器的支架上,該疊片鐵心 是以壓力指與壓力環予以固定。磁力迴路的繞組通常置於 鐵心的溝槽內,該溝槽通常是矩形或梯形的斷面。 多相的發電機,其繞組通常爲單層或雙層。單層繞組 中每一溝槽只有一線圈邊,而雙層溝槽中每一溝槽則有兩 個線圈邊。所謂線圈邊意指將一或多組導體以垂直或水平 方式組合並外附有共同的線圈絕緣,也就該絕緣可抵抗發 電機至地表之額定電壓 本紙張尺度適用中國囿家標準(CNS)A4規格(210 * 297公釐) 1----------- --------^ ---------I (請先閱讀背面之注意事項再填寫本頁) -8 - 4 5 3 0 11; A7 __B7__ 五、發明說明(6) 雙層繞組通常做成鑽石繞組,而本文的單層繞組則做 成鑽石或平繞組a鑽石繞組中只有一個(可能兩個)線圈 寬度,而平繞組則做成同心形狀•也就是具有可變的線圈 寬度。所謂線圈寬度是指兩線圏邊之間的弧形距離。 通常所有大型機器都是由雙層繞組與同大小的線圈所 組成》每一線圈之一側置於一層而另一側則置於另一層中 。此意味著所有線圈皆在線圈末端處互相交錯。如果大於 兩層的話 '此交錯處將使繞組工作變得非常複雜,而線圈 末端也變得不太理想。 一般認爲在1 0 — 2 0 kV的電壓範圍內,旋轉發電 機的線圏製造可獲得良好的效果。然而’想要發展更高電 壓的發電機則已嚐試許久。最明顯的例子就是1 9 3 2年 十月1 5日在"電子世界,第524-52 5頁所舉的例 子》Par son在1 9 2 9年設計一種供應3 3 kV電壓的發 電機。該文也描述了 一個在比利時Langerbrugge所製造的 3 6 k V的發電機》雖然該文也提到提昇電壓的可能性’ 但始終爲發電機的基礎原理所受限。這主要是因爲在絕緣 系統的每一分離層中皆內附有雲母油與紙的缺點所致。 如上所述的同步發電機便是要嚐試一種新方法’比如 J. Elektrdechnilia N 〇 . 1 1 9 7 0 的文件水與油 冷式之輪機發電機TVM-30〇" ’在美國專利 4,429 ,244之"發電機的靜子〃第6 — 8頁’以 及蘇聯的專利CCCP 955369等實例。 ).£1411'〇-1:6(:}11^1^中所提到的水與油冷式同步機 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公t〉 (請先閱讀背面之注意事項再填寫本頁) 裝------ 訂---------線 經濟部智慧財產局員工消費合作社印製 -9 - 經濟部智慧財產局員工消費合作社印製
4530 1 C A7 _ B7 五、發明說明(7) 可將電壓達到2 0 k V左右。該文提到一種油/紙絕緣的 新絕緣系統1使靜子完全浸在油中。浊於是既可當作冷卻 劑也可作絕緣之用。心鐵內表面處有一介電的隔油環可使 靜子中的油不致洩漏於轉子中。該靜子繞組是由橢圓,中 空並附有油與紙絕綠的導體所製成。該線圈邊與其絕綠貝〖』 利用一些契子將其固定在矩形的溝槽內。而油可作爲中空 導體與靜子壁之開口兩者的冷卻劑。然而,此冷卻系統在 其線圈末端處需有大量油與電力的連接點。該厚絕緣也使 得導體的曲率半徑加大,如此也使得線圈突出處的尺寸增 大。 上述美國專利提到的同步機器的靜子部分包含有一個 供靜子繞組用的含梯形溝槽之多層板的磁心。該溝槽爲階 梯狀,因爲靜子繞組的絕緣需求是朝轉子方向逐漸減少, 而繞組中最靠近中性點的部分也位於轉子中。靜子部分也 包含一個最靠近心鐵之內表面的介電油-分離汽缸。此部 份比無此環的機器需要更多的激磁。靜子繞組的每一線圈 層是由相同直徑的油-飽和電纜所製成》層與層之間是用 溝槽中的隔板元件予以分離•並用契子將其固定。繞組的 特點在於含有兩個串聯的所謂半繞組。一支半繞組中心地 置於絕綠套管內。靜子繞組的導體是由環繞油所冷卻。系 統內油過多的缺點是有洩漏的危險以及發生問題後所需的 大量清理工作。位於溝槽外的絕緣護套含有一個圓柱部分 及一個錐形篩電極,其目的在於控制電纜離開層板之區域 的電場強度。 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公爱) (請先閱讀背面之注意事項再填寫本頁) ---- 訂---------線 -10 - ,453 0 Tx - ~ Α7 --------Β7_ 五、發明說明(8) cccp 955369提出另一種提高同步機器之 額定電壓的方法,其中該油冷式靜子繞組的每一層皆由相 同的高壓電纜所組成。該電纜置於靜子的溝槽內,該溝槽 .爲一圓形’軸向的開口並與電纜的斷面積相配,其間有供 整修與冷凝劑所需的空間。各軸向的繞組層是由一絕緣管 所包圍及固定。絕緣隔板件將管子固定於靜子溝槽中。同 樣地因爲油冷卻的關係*也需要一個內介電環加以密封以 防止油冷卻劑從內氣隙中流出。該結構的絕緣或靜子溝槽 部分並無任何階層形狀。該設計顯示,在各靜子溝槽間有 一個非常小的軸向腰部結構,其會引起大量的溝槽迷失通 量,而強烈地影響該機器的激磁需求。 在電子動力研究學院,EPRI ,1984年四月的 報告E L — 3 3 9 1中提到一種可達高電壓的發電機概念 ,其目的在於連接該發電機與動力網路而毋須經由中繼變 壓器。該報告所評估的結果有著良好的效率增益與可觀的 財務利益。在1 9 8 4年之所以認爲有可能發展發電機直 接與動力網路連接的理由在於當時已發展出一種前-導轉 子。前-導磁場所產生的可觀激磁能量使得使用足夠厚的 氣隙-繞組即可抵擋電子的應力。 藉由組合下列最先進的觀念,也就是設計一種稱之爲 "單石圓柱電樞〃的磁路繞組,將兩束導體包覆於三束絕 緣物的概念,以及將整個結構貼附於無齒狀的鐵心上等概 念,所評估後的結果是高電壓的旋轉電力機器得以直接與 動力網路相連。此結果使得主絕緣需作成足夠厚度以抵抗 -11 - (請先閱讀背面之注意事項再填寫本頁) --------訂---------線 經濟部智慧財產局員工消費合作社印製 本紙張尺度適用中國國家標準(CNS)A4現格(210 X 297公釐〉 4 5301 經濟邹智慧財產局員工消費合作'吐,印製 A7 B7 五、發明說明(9) 網路-對一網路以及網路-對-地的電位。此種方式的缺 點除了需要一個前-導轉子外,也需要極厚的絕緣,此將 增加機器的尺寸。該線圈末端需使用油或冷煤予以絕緣及 •冷卻以控制末端處產生的極大電場。該整台機器必須完全 地密封以防止液態的介電物質從大氣中吸收水分。 發明之描述 和前述發明背景不同的是,本發明含有一個以上的高 壓發電機,而使升壓變壓器變成多餘。也不再需要發電機 斷路器。功能上來說,該斷路器是由現有的高壓斷路器所 取代》而該匯電條系統是被篩狀的高壓電纜所取代。所以 本發明的目的之一便是要將電廠內的發電機直接與輸出電 力網路相連。 本發明的第一特點是從序言至申請專利範圍第1項中 所提到的電廠含有該申請專利範圍所描述的特徵,而本發 明的第二特點是從序言至申請專利範圍第2 9項中所提到 的發電機含有該申請專利範圍所描述的特點以及申請專利 範圍第3 1項所描述的程序等。 由於此種繚組的絕緣系統設計,得以避免一般常見於 傳統高壓發電機之厚絕緣層,比如雲母型式的浸染層,的 絕緣分解現象,該分解現象有些是部分放電,PD所致。 當絕緣處承受過度電場強度時,會在製造時所產生的洞穴 ,孔或類似處產生電暈放電的現象。此種電暈放電將逐漸 破壞材料,可能穿過絕緣而發生電子迅裂放電。而因爲每 本紙張尺度適用中國國家標準(CNS)A4規格(21Q X 297公爱) '' -12 - {請先閱讀背面之注意事項再填寫本頁) --------訂·--------線 4530 1 Ο 經濟部智慧財產局員工消費合作社印製 Α7 __Β7 五、發明說明(ld> 一層的溫度係數相同,而得以避免因繞組之熱變化所產生 的缺陷與破裂。因上述問題使得無法設計出電壓高於3 6 k V的發電機。 本發明的絕緣系統即可消除上述問題本發明所使用 的絕緣層可使洞穴或孔的發生率降至最低,比如P E X, 熱塑性體,含有交連熱塑性體,E P橡膠,或其他橡膠等 適當的永久絕緣材料的擠製層。只使用具有最少缺陷的絕 緣層並附有內層與外層的半導體部分,可使材料的熱及電 負載降低。若有溫度梯度出現時,附有半導體層的絕緣部 分將形成一單石部分,而不會發生因絕緣與環繞層之溫度 差所產生之不同膨脹的缺陷。材料之電負載得以降低的原 因在於環繞絕緣的半導體部分形成一等電位的平面,也因 爲絕綠部分的電場均勻分布於絕綠層上所致。外半導體層 可與地表電位連接。這意謂著1整支繞組的外護套都能維 持地表的電位。 本發明的電廠因爲在發電機靜子的繞組上具有特殊的 絕緣系統,而消除了電壓升高的阻礙,而且即使電壓大於 3 6 k V也毋須使用升壓變壓器。 首先,省去變壓器即可使重量,空間與成本大幅降低 0 通常當變壓器與輪機室之間有一定距離時,需使用匯 電條以連接發電機與變壓器。因此種需求不再,所以可省 卻其所需的成本與空間-因高電壓將產生相當的電力損失 ,而匯電條系統將發生2相與3相的相間失誤,因而斷路 本紙張尺度適用ΐ國國家標準(CNS)A4規格(210 X 297公釐) 1----------I ^-----------------^ I (請先閱讀背面之注意事項再填寫本頁) -13 - 4530 1 0 經濟部智慧財產局員工消費合作社印製 A7 B7 五、發明說明(ll) 器與隔離器便需要高層次的維護。本發明所造成此類失誤 的危險已大幅地降低= 因油-絕緣變壓器所易產生的火災機率也可降低,而 •有關防火的安全預防措施也可減少。 本發明的輪機發電機電廠,其優點是可以多組接點與 各不同電壓值相連。 總之,上述組成的優點在於可大幅提昇該電廠的經濟 效益。建廠的成本也可降低而因維修保固的需求減少也使 操作效益改善,其效率增加約〇.5—1.5%。 本發明可應用於有尖峰負載的輪機發電機中,需要的 話可作爲一同步的補償器,使得發電機與輪機分離。 本發明的目的也在於利用內嵌於靜子之輔助電力繞組 而由發電機產生輔助電力,其所產生的電力比發電機之主 繞組者還低。 爲此’輪機發電機電廠之發電機的磁力迴路是由螺紋 式永久絕緣電纜並內含接地所組成。 習知科技與本發明之實施例的主要與基本差異在於使 發電機的電磁迴路直接地經由可能的斷路器與隔離器而與 一 2 0 kV與8 0 0 kV之間,最好是高於3 g kV的高 供應電壓相連。該磁力線路含有—個以上繞組所組成的多 層心鐵,而繞組則由一或多支永久絕緣導體的螺紋式電纜 所組成’而在導體與絕緣層外各有一半導體層,外半導體 層則與地表電位相連。 本發明之電廠因擁有許多習知科技所沒有的特徵而 本紙張尺度適用中國國家標準(CNS)A4規格(210 κ 297 公釐) * I I I I I I I --II---I ^ -----J ----1 (請先閱讀背面之注意事項再填寫本頁) 4 經濟部智慧財產局員工消費合作社印製 5 3 0 1 ί; Α7 _____Β7_ 五、發明說明(θ 以解決將電力機器直接與各種高壓電力網路相連的問題》 其餘特徵與其他實施例則定義於隨附的申請專利範圍 中,並敘述如下。
上述提及的特徵與發電機的其他基本特性包含有下歹IJ •磁力迴路的繞組是從一或多個永久絕緣導體並在導 體與護套皆附有半導體層之電纜所組成。此典型的導體有 如Ρ Ε X電纜或附有Ε Ρ橡膠絕緣的電績,而此物質可再 應用於導體內的導線與外護套上=Ρ Ε Χ=交連聚乙烯( XLPE) =ΕΡ =丙乙烯 •電纜以圓形斷面較佳,但其他可獲得較佳組裝密度 的斷面也同樣可採用" •就溝槽與齒而言,可以較新與最佳的方式依本發明 設計該多層的心鐵 *該繞組最好能有階梯式絕緣,以供多層心鐵使用。 •該繞組最好能製成一多層,同心的電纜繞組,而使 線圏一末端的交點數減少。 •該溝槽設計需配合繞組電纜的斷面,使得溝槽在軸 向與徑向上有一些圓柱形的開口,而每層的靜子繞組間則 有一開放式的腰部組織。 •該溝槽的設計可配合相關的電纜斷面以及繞組的階 梯狀絕緣層。該階梯狀的絕緣層使得不論徑向延伸爲何皆 使磁心有固定的齒寬。 •上述的進一步結果所談到的導線使得該繞組導體含 本紙張尺度適用♦國國家標準(CNS)A4規格(210 X 297公釐) (請先閱讀背面之注意事項再填寫本頁) --------訂---------線 -15 - 經濟部智慧財產局員工消費合作.社印1 5 3 0 1 f A7 ____B7__ 五、發明說明(13) 有一些壓緊層,也就是從電子機器的觀點來說’絕緣的導 線並不需正確地予以轉置,無絕緣和/或互相絕緣° •上述的進一步結果所談到的外護套使得在沿導體的 適當位置上需將外護套切除|而每一切斷的部分長度皆直 接與地表電位相連。 使用上述形式的電纜可使得繞組之外護套的全長以及 該電廠的其他部分都能維持在地表電位。其重要的優點是 位於線圏-末端區域內,外半導體層之間的電場強度趨近 於零。因外護套爲地表電位1所以電場不需加以控制。此 意請著,不論在心鐵|線圈末端區或是兩者之間的過渡區 等皆不會有磁場集中的情形發生。 將絕緣和/或無絕緣的壓縮導線,或轉置的導線混合 的結果是產生非常低的迷失損失。 磁路繞組所使用的高壓電纜是由含有許多導線的內心 鐵/導體,以及至少兩個半導體層所組成,而其最內層則 被一絕緣層所包圍,接著是被一外徑爲2 0 — 2 0 0mm 之外半導體層以及導體面積爲5 0 — 3 0 0 〇mm2所包 圍。 因爲本發明之電廠的發電機含有特殊的系統,使得靜 子無須在工廠內完成,而是可將其軸向分割後再予以運送 並在現場組裝繞組°從運输觀點來看,此舉很明顯地有財 務上的效益。 本發明也提出一種完成此設備的程序。 從本發明的另一角度看’上述所列之目的是藉由從序 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) ----I--I I I I -III— — — — i I I---I I r (請先閱讀背面之注意事項再填寫本頁) 5 3 0 1 l A7 _________B7 五、發明說明(j 言至申請專利範圍第2 9項所提到的電廠所完成,而該電 廠的特徵則是定義於該申請專利範圍的其中部分。 因該絕緣系統,以永久式;爲佳,是依熱力與電力觀點 將其設計成供3 6 k V之電壓使用,所以該電廠可直接與 高電壓電力網路相連而毋須中繼的變壓器,其優點甚明。 該電廠最好能依據申請專利範圍第1至2 8項的特點來建 構,但並不一定需要。 上述與其他的優良實施例將定義於隨附的申請專利範 圍中。 較佳實施例之描述 如圖1所示爲輪機發電機電廠中的一組或多組發電機 之扇形靜子1的軸向示意圖,圖中亦有發電機的轉子2。 轉子1通常是傳統疊片鐵心的形式。圖1所示之扇形相當 於發電機之一極距。從位於心線軸向最遠處的軛鐵部分3 開始有一些齒狀物在轉子2的軸向上延伸,該齒狀物以溝 槽5分隔,而其中配置有靜子繞組。此靜子繞組是由高電 壓的電纜所構成,這些電纜與一般如P E X等動力配線的 電纜幾乎完全相同。而不同之處在於動力電纜通常環繞有 機械式的保護套與金屬篩網,所以本發明的電纜通常只含 有導體以及在其絕緣層的每一側有一個以上的半導體層。 因此,對金屬損壞很敏感的半導體層是裸露於電纜的表層 〇 如圖1所示的電纜只有繪出每一電纜的中心傳導部分 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) (請先閲讀背面之注意事項再填寫本頁) 裝 訂---------線 經濟部智慧財產局員工消費合作社印製 -17 - 經濟部智慧財產局員工消費合作社印製 4530 1 l A7 ------- B7_____ 五、發明說明(0 或線圏側邊。如圖所示的變斷面溝槽5皆有交互出現的寬 部分7與窄部分8。寬部分7近乎爲圓形並圍繞該纜線, 而寬部分間的腰部則爲窄部分8。腰部分可用來固定每一 .糠線。溝槽5的斷面沿圓心方向逐漸縮小。這是因爲越靠 近靜子軸向內部的電纜有著較低的電壓所致β所以此處可 用較纖細的纜線’而外圍則使用較粗的纜線。如所示之例 有三種不同的電纜尺寸,其分別爲圖中的5 1 ’ 52 ’ 5 3。 圖2所示爲使用於電機機械中之高壓電纜的逐層剝離 視圖。該高壓電纜6含有一或多支的導體3 1 ,而導體則 是由數條導線3 6組成並形成一如銅(C u )的圓形斷面 。該導體3 1位於高壓電纜6的軸心部分,並被一絕緣零 件3 5所包覆。然而,其中一支導線3 1捨去絕緣零件 3 5也是可行的a在本發明的實施例中,數支導體3 1是 一起被第一半導體層3 2所包覆。第一半導體層3 2外則 環繞有如P EX等絕緣層3 3。因此,本發明所謂的,高 電壓電纜〃並未含有一般動力配線所包覆的金屬護篩或是 外護套。 圖3所示爲依本發明所建構的輪機發電機電廠,其中 的發電機1 0 0是經由共用軸1 〇 1而由燃氣輪機1 ◦ 2 所帶動。驅動燃氣輪機的氣體是來自由控制裝置1 0 4所 控制的燃燒室1 0 3並由壓縮機1 0 5所供應。該壓縮機 105與發電機100及燃氣輪機102同軸lOi。 習知的輪機發電機電廠之發電機1 0 0所發出的最高 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) (請先閱讀背面之注意事項再填寫本頁) 裝--------訂.---------線 - 18 _ 經濟部智慧財產局員工消費合作社印製 453010 Δ7 B7 五、發明說明(16) 電壓約爲2 5 - 3 0 KV左右。爲供應高壓配線或傳輸網 路1 1 0所需,從發電機輸出的電壓需經由升壓變壓器 1 〇 6升壓至800KV才行•在發電機1 〇〇與升壓變 .壓器1 0 6之間需配置一發電機斷路器1 0 7,該發電機 斷路器含有一組以上的隔離器’動力斷路器與接地裝置等 連接分配線或傳輸網路110尙需經過額外的隔離器 ,斷路器與閃燃保護裝置等,都以1 〇 8表示之。 2 5 — 3 0 KV的發電機輸出電壓通常有一分支接往 一降壓變壓器1 0 9 ·該降壓變壓器1 0 9可經由一整流 器迴路1 1 1供應發電機1 0 0激發的電壓,也同樣可產 生低電壓以供它需。 圖4所示如圖3相同的電廠,但使用本發明之輪機發 電機組合。依本發明,該發電機可發出分配線或傳輸網路 1 1 0所需的相同電壓(約爲8 0 0KV左右),並直接 經由導管2 0 1而與該分配線或傳輸網路1 1 〇連接。所 以這裡不需任何的升壓變壓器或是發電機斷路器(如圖3 中的 1 0 6 ,1 0 7 )。 如圖4所示之降壓變壓器1 0 9 ,是從發電機2 0 0 之靜子繞組的不同輸出處經由導管2 0 2 ,整流迴路 1 1 1 ,而其他要件則經由導管1 1 2予以供應激發電壓 〇 如圖5所示,若發電機2 0 0依本發明建構的話則該 降壓變壓器1 0 9也可以省略。該發電機2 0 0之靜子繞 本紙張尺度適用中國國家標準(CNS)A4规格(210 X 297公爱) ------------- --------訂---------線 I (請先閲讀背面之达意事項再填寫本頁> -19 — 4 5301 l — A7 ______B7__ 五、發明說明(1分 線(和圖1相比)有不同輸出可經由導管2 0 2與整流迴 路111 ’而其他要件則經由導管203予以供應激發電 壓。 ' 因此,本發明的輪機發電機組合可省略許多先前所需 的變壓器與斷路器單元,而擁有如成本,操作可靠性與其 他明顯的優點。 圖示之簡述 本發明將以下列輪機發電機電廠之發電機磁路的較佳 實施例來做更詳細的說明,所列圖示爲 圖1是本發明之輪機發電機電廠中發電機之一扇行靜 子的軸向末端示意圖> 圖2是圖1之靜子的繞組所使用之電纜的層狀剝離視 圖, 圖3是習知科技之輪機發電機的配置示意圖, 圖4是本發明之輪機發電機的配置示意圖,以及 圖5是本發明之輪機發電機的修正實施例的示意圖, 圖6所示之發電機具有產生輔助電力的內建繞組,以 及起始於單一軸發電機的頻率轉換器。 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐〉 <請先閱讀背面之注意事項再填寫本頁) 衷--------訂---------線 經濟部智.«財產局員工消費合作社印製 -20 -
Claims (1)
- 經濟部智慧財產局員工消費合作社印製 4i3ciU Ί υ ^ fr , ·ρ 月日、u、' 附件一: 第86107963號專利申請案 _補充1中文申請專利範圍修正本民國90年5月呈 六、申請專利範圍 1 . 一種電廠,可供應高電壓配線或傳輸網路( 1 1 0 )所需的有功與無效功率*其至少含有一個發電機 (2 00)並經由一軸裝置(1 0 1 )而與一個以上的燃 氣和/或蒸氣輪機(1 〇 2 )連接並至少包含一組繞組· 其中該發電機的繞組含有至少兩半導體層的固體絕緣系統 ,每一層皆構成一等位能平面‘也含有中間的固體絕緣系 統•其中至少一層與固體絕緣系統有相同的熱膨脹係數。 2 .如申請專利範圍第1項之電廠,其中該發電機含 有一個附心鐵的磁力迴路。 3 .如申請專利範圍第2項之電廠,其中該磁力迴路 之心鐵的通量路徑含有多層板和/或鑄鐵和/或粉狀鐵和 /或鍛造鐵》 4 .如申請專利範圍第1項之電廠,其中該固體絕緣 系統是由含有一或多個帶電導體(3 1 )的高壓電纜(6 )所構成1而導線外則被至少兩個半導體層(3 2 > 3 4 )以及固體絕緣的中間絕緣層(3 3 )所包圍。 5 ·如申請專利範圍第4項之電廠*其中該最內的半 導體層(32)幾乎與導體(3 1 )同電位。 6 ·如申請專利範圍第4或第5項之電廠,其中一個 外半導體層(3 4)可形成一環繞導體(3 1 )的等位能 平面。 7如申請專利範圍第6項之電廠’其中該外半導體 層(34)接往一特定的電位。 8.如申請專利範圍第7項之電廠|其中該特定電位 本紙張尺度適用中酉國家標準(CNS)A4規格(210 X 297公釐) 1 ----— —— — I! --------^ « — — It I I I * ^ ί諳先閱讀背面之注意事項再填寫本頁) 453010 A8 B8 C8 D8 經濟部智慧財產局員工消費合作社印製 六、申請專利範圍 是地表電位。 9 .如申請專利範圍第4項之電廠,其中至少該兩層 具有完全同的熱膨脹係數。 1 〇 .如申請專利範圍第4項之電廠,其中該帶電導 體含有一些導線,而只有一些導線不互相絕緣。 1 1 ·如申請專利範圍第1項之電廠,其中由電纜組 成的繞組含有一或多個帶電導體(2),每一導體含有一 些導線,一個內半導體層(3 )可用來環繞每一導體,固 體絕緣的絕緣層(4)可包圍每一內半導體層(3),而 一外導體層(5 )可包圍每一絕緣層4。 1 2 如申請專利範圍第1 1項之電廠,其中該電纜 也含有一金屬篩與一護套。 13 .如前述申請專利範圍第1項之電廠,其中至少 有一組發電機(2 0 0 )可直接地供應輸出的電力網路( 1 1 0 )而毋須連接任何中繼的升壓變壓器(單位變壓器 )° 1 4 ·如申請專利範圍第1項之電廠,其中至少一個 供應給輸出網路的發電機(2 0 0 )含有兩個以上的部分 —網路,至少有一個部分-網路是經由中繼系統變壓器供 應電壓。 1 5 .如申請專利範圍第1項之電廠,其中包含有數 個發電機,每一發電機皆缺乏一個別的升壓變壓器但經由 一共用的系統變壓器可使其與傳輸或配線網路(11〇) 相連。 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) n n n n I ^ » n I n I __l-aJ· n i It It ir n .1 I I (請先M讀背面之注意事項再填寫本頁)
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TW086107961A TW360603B (en) | 1996-05-29 | 1997-06-10 | An electrical drive system for vehicles |
TW086107936A TW361005B (en) | 1996-05-29 | 1997-06-10 | Rotating electric machines and method for manufacturing the same |
TW086107974A TW454371B (en) | 1996-05-29 | 1997-06-10 | Synchronous compensator plant |
TW090218129U TW516746U (en) | 1996-05-29 | 1997-06-10 | A rotating asynchronous converter and a generator device |
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DE387973C (de) | 1921-06-04 | 1924-01-09 | Hellmuth Beyer | Anordnung der Spulen zur Verringerung der Streuung bei Transformatoren mit scheibenartigem Wicklungsaufbau |
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DE432169C (de) | 1924-01-15 | 1926-07-26 | Bbc Brown Boveri & Cie | Einrichtung zum magnetischen Verschluss offener Nuten in elektrischen Maschinen |
DE435609C (de) | 1924-03-02 | 1926-10-18 | Bbc Brown Boveri & Cie | Unterteilter Leiter fuer elektrische Maschinen |
DE441717C (de) | 1924-03-02 | 1927-03-11 | Bbc Brown Boveri & Cie | Unterteilter Leiter fuer elektrische Maschinen |
GB268271A (en) | 1926-06-12 | 1927-03-31 | Pirelli & C | Improvements in or relating to joints for high tension electric cables |
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DE501181C (de) | 1927-02-19 | 1930-07-03 | Felten & Guilleaume Carlswerk | Verfahren zur Herstellung von Seilen fuer elektrische Freileitungen |
GB292999A (en) | 1927-06-29 | 1929-04-11 | Siemens Ag | Arrangement of core segments in the casings of dynamo electric machines, rotary transformers and the like |
GB293861A (en) | 1927-07-15 | 1928-11-08 | Westinghouse Electric & Mfg Co | Improvements in or relating to radio coupling devices and conductors therefor |
US1728915A (en) | 1928-05-05 | 1929-09-24 | Earl P Blankenship | Line saver and restrainer for drilling cables |
US1781308A (en) | 1928-05-30 | 1930-11-11 | Ericsson Telefon Ab L M | High-frequency differential transformer |
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GB319313A (en) | 1928-09-20 | 1929-07-18 | Siemens Ag | The regulation of the electric potential of long lines |
DE629301C (de) | 1929-02-28 | 1936-04-27 | Hartstoff Metall Akt Ges Hamet | Eisenkern fuer elektrische Maschinen |
US1747507A (en) | 1929-05-10 | 1930-02-18 | Westinghouse Electric & Mfg Co | Reactor structure |
US1742985A (en) | 1929-05-20 | 1930-01-07 | Gen Electric | Transformer |
DE584639C (de) | 1929-12-28 | 1933-09-27 | Aeg | Glimmschutz fuer Wicklungen elektrischer Maschinen |
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US1904885A (en) | 1930-06-13 | 1933-04-18 | Western Electric Co | Capstan |
US1974406A (en) | 1930-12-13 | 1934-09-25 | Herbert F Apple | Dynamo electric machine core slot lining |
DE604972C (de) | 1931-02-27 | 1934-10-12 | Otis Aufzugswerke Ges M B H | Tuerantrieb fuer Aufzuege |
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DE586121C (de) | 1932-05-01 | 1933-10-18 | Felix Kleiss Dipl Ing | Verfahren zum Durchfuehren von Draehten und Baendern durch Baeder |
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FR805544A (fr) | 1936-04-29 | 1936-11-21 | Travail Electr Des Metaux Soc | Procédé et dispositif de réglage des tensions dans un transformateur statique |
DE673545C (de) | 1936-07-30 | 1939-03-24 | Siemens Schuckertwerke Akt Ges | Aus Einsphasentransformatoren bestehender mehrphasiger Streutransformator |
NL54036C (zh) | 1937-09-15 | |||
FR847899A (fr) | 1937-12-23 | 1939-10-18 | Lignes Telegraph Telephon | Transformateur |
FR841351A (fr) | 1938-01-19 | 1939-05-17 | Procédé de fabrication de circuits magnétiques feuilletés ou divisés | |
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FR864380A (fr) | 1939-12-01 | 1941-04-25 | Entpr Chemin | Perfectionnements aux treuils à vapeur pour le battage des pilotis et analogues |
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US2459322A (en) | 1945-03-16 | 1949-01-18 | Allis Chalmers Mfg Co | Stationary induction apparatus |
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US2436306A (en) | 1945-06-16 | 1948-02-17 | Westinghouse Electric Corp | Corona elimination in generator end windings |
FR916959A (fr) | 1945-07-03 | 1946-12-20 | Perfectionnements aux transformateurs pour soudure électrique et applications analogues | |
US2446999A (en) | 1945-11-07 | 1948-08-17 | Gen Electric | Magnetic core |
US2498238A (en) | 1947-04-30 | 1950-02-21 | Westinghouse Electric Corp | Resistance compositions and products thereof |
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FR1011924A (fr) | 1949-04-23 | 1952-07-01 | Perfectionnements aux machines électriques tournantes | |
GB685416A (en) | 1950-04-08 | 1953-01-07 | Westinghouse Electric Int Co | Improvements in or relating to stationary electrical induction apparatus |
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US2962679A (en) | 1955-07-25 | 1960-11-29 | Gen Electric | Coaxial core inductive structures |
GB805721A (en) | 1955-10-29 | 1958-12-10 | Comp Generale Electricite | Improvements in or relating to three-phase magnetic circuits |
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CA635218A (en) | 1958-01-02 | 1962-01-23 | W. Smith John | Reinforced end turns in dynamoelectric machines |
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GB854728A (en) | 1958-09-29 | 1960-11-23 | British Thomson Houston Co Ltd | Improvements relating to electrical transformers |
GB870583A (en) | 1958-12-01 | 1961-06-14 | Okonite Co | Method of making electric cables |
FR1238795A (fr) | 1959-07-06 | 1960-08-19 | Fournitures Pour L Electrolyse | Perfectionnements apportés aux transformateurs électriques |
DE1807391U (de) | 1959-08-29 | 1960-03-03 | Heinrich Ungruhe | Unterlegring fuer fitschenbaender. |
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US3333044A (en) | 1965-04-23 | 1967-07-25 | William A Toto | Passageway structure for liquid coolant at gun and transformer ends of welding cable having novel internal surface bearing for alternate polarity strands |
DE1488353A1 (de) | 1965-07-15 | 1969-06-26 | Siemens Ag | Permanentmagneterregte elektrische Maschine |
CA812934A (en) | 1965-07-19 | 1969-05-13 | Cuny Robert | Rotary transformer for coupling multi-phase systems having a small frequency difference |
GB1135242A (en) | 1965-09-13 | 1968-12-04 | Ass Elect Ind | Improvements in or relating to packing means for conductors in stator slots of dynamo-electric machines |
US3365657A (en) | 1966-03-04 | 1968-01-23 | Nasa Usa | Power supply |
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GB1103099A (en) | 1966-06-24 | 1968-02-14 | Phelps Dodge Copper Prod | Improvements in or relating to shielded electric cable |
GB1103098A (en) | 1966-06-24 | 1968-02-14 | Phelps Dodge Copper Prod | Improvements in or relating to shielded electric cable |
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US3418530A (en) | 1966-09-07 | 1968-12-24 | Army Usa | Electronic crowbar |
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AT272436B (de) | 1967-04-10 | 1969-07-10 | Peter Dipl Ing Dr Techn Klaudy | Verfahren zum Überlastschutz unter Verwendung von Supraleitern |
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GB1174659A (en) | 1967-04-21 | 1969-12-17 | Elektromat Veb | Mechanism for Inserting Coils into Grooves of the Stators of Electric Machines |
SU469196A1 (ru) | 1967-10-30 | 1975-04-30 | Двигатель-генератор установки дл электроснабжени пассажирских вагонов | |
FR1555807A (zh) | 1967-12-11 | 1969-01-31 | ||
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CH479975A (de) | 1968-08-19 | 1969-10-15 | Oerlikon Maschf | Wickelkopfbandage für eine elektrische Maschine |
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FR2108171A1 (en) | 1970-09-29 | 1972-05-19 | Sumitomo Electric Industries | Insulated electric cable - incorporating an insulating layer and an easily strippable semiconductor layer |
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GB1340983A (en) | 1971-03-10 | 1973-12-19 | Siemens Ag | Superconductor cables |
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DE2164078A1 (de) | 1971-12-23 | 1973-06-28 | Siemens Ag | Antriebsanordnung mit einem nach art einer synchronmaschine ausgebildeten linearmotor |
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CH547028A (de) | 1972-06-16 | 1974-03-15 | Bbc Brown Boveri & Cie | Glimmschutzfolie, verfahren zu ihrer herstellung sowie ihre verwendung bei hochspannungswicklungen. |
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FR2222738B1 (zh) | 1973-03-20 | 1976-05-21 | Unelec | |
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GB1433158A (en) | 1973-11-19 | 1976-04-22 | Pirelli General Cable Works | Electric cable installations |
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-
1997
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- 1997-05-27 AT AT97924468T patent/ATE254350T1/de not_active IP Right Cessation
- 1997-05-27 AU AU29881/97A patent/AU2988197A/en not_active Abandoned
- 1997-05-27 AU AU29882/97A patent/AU718708B2/en not_active Ceased
- 1997-05-27 PL PL97330215A patent/PL330215A1/xx unknown
- 1997-05-27 UA UA98126430A patent/UA42867C2/uk unknown
- 1997-05-27 PL PL97330200A patent/PL330200A1/xx unknown
- 1997-05-27 EP EP97924460A patent/EP0901700B1/en not_active Expired - Lifetime
- 1997-05-27 CZ CZ19983857A patent/CZ288390B6/cs not_active IP Right Cessation
- 1997-05-27 AU AU29885/97A patent/AU2988597A/en not_active Abandoned
- 1997-05-27 PL PL97330198A patent/PL330198A1/xx unknown
- 1997-05-27 EP EP97924467A patent/EP0901702B1/en not_active Expired - Lifetime
- 1997-05-27 BR BR9709387A patent/BR9709387A/pt not_active IP Right Cessation
- 1997-05-27 WO PCT/SE1997/000892 patent/WO1997045927A1/en active Application Filing
- 1997-05-27 AT AT97924460T patent/ATE356460T1/de active
- 1997-05-27 DE DE69727668T patent/DE69727668T2/de not_active Expired - Fee Related
- 1997-05-27 BR BR9709397A patent/BR9709397A/pt not_active IP Right Cessation
- 1997-05-27 EA EA199801058A patent/EA001487B1/ru not_active IP Right Cessation
- 1997-05-27 WO PCT/SE1997/000884 patent/WO1997045922A1/en active IP Right Grant
- 1997-05-27 WO PCT/SE1997/000886 patent/WO1997045924A1/en active IP Right Grant
- 1997-05-27 US US09/194,578 patent/US20020050758A1/en not_active Abandoned
- 1997-05-27 KR KR1019980709662A patent/KR20000016095A/ko not_active Application Discontinuation
- 1997-05-27 AP APAP/P/1998/001409A patent/AP907A/en active
- 1997-05-27 CN CN97195013A patent/CN1097335C/zh not_active Expired - Fee Related
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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TWI651917B (zh) * | 2018-05-09 | 2019-02-21 | 高力熱處理工業股份有限公司 | 馬達轉子的製造方法及馬達轉子 |
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