TW443023B - A hydro-generator plant - Google Patents

A hydro-generator plant Download PDF

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Publication number
TW443023B
TW443023B TW086107968A TW86107968A TW443023B TW 443023 B TW443023 B TW 443023B TW 086107968 A TW086107968 A TW 086107968A TW 86107968 A TW86107968 A TW 86107968A TW 443023 B TW443023 B TW 443023B
Authority
TW
Taiwan
Prior art keywords
power plant
patent application
scope
generator
item
Prior art date
Application number
TW086107968A
Other languages
English (en)
Inventor
Mats Leijon
Bo Hernnas
Peter Carstensen
Mons Holleland
Peter Templin
Original Assignee
Abb Ab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Abb Ab filed Critical Abb Ab
Application granted granted Critical
Publication of TW443023B publication Critical patent/TW443023B/zh

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60MPOWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
    • B60M3/00Feeding power to supply lines in contact with collector on vehicles; Arrangements for consuming regenerative power
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K15/00Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/02Disposition of insulation
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/288Shielding
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/32Insulating of coils, windings, or parts thereof
    • H01F27/323Insulation between winding turns, between winding layers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/34Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00Variable transformers or inductances not covered by group H01F21/00
    • H01F29/14Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00Cores, Yokes, or armatures
    • H01F3/10Composite arrangements of magnetic circuits
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00Cores, Yokes, or armatures
    • H01F3/10Composite arrangements of magnetic circuits
    • H01F3/14Constrictions; Gaps, e.g. air-gaps
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02Details
    • H02H3/025Disconnection after limiting, e.g. when limiting is not sufficient or for facilitating disconnection
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K11/00Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/04Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for rectification
    • H02K11/049Rectifiers associated with stationary parts, e.g. stator cores
    • H02K11/05Rectifiers associated with casings, enclosures or brackets
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K15/00Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/12Impregnating, heating or drying of windings, stators, rotors or machines
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K3/00Details of windings
    • H02K3/04Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/12Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
    • H02K3/14Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots with transposed conductors, e.g. twisted conductors
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K3/00Details of windings
    • H02K3/04Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/28Layout of windings or of connections between windings
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K3/00Details of windings
    • H02K3/32Windings characterised by the shape, form or construction of the insulation
    • H02K3/40Windings characterised by the shape, form or construction of the insulation for high voltage, e.g. affording protection against corona discharges
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K3/00Details of windings
    • H02K3/46Fastening of windings on the stator or rotor structure
    • H02K3/48Fastening of windings on the stator or rotor structure in slots
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/2823Wires
    • H01F2027/2833Wires using coaxial cable as wire
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/32Insulating of coils, windings, or parts thereof
    • H01F2027/329Insulation with semiconducting layer, e.g. to reduce corona effect
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00Variable transformers or inductances not covered by group H01F21/00
    • H01F29/14Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias
    • H01F2029/143Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias with control winding for generating magnetic bias
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12Stationary parts of the magnetic circuit
    • H02K1/16Stator cores with slots for windings
    • H02K1/165Shape, form or location of the slots
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K2203/00Specific aspects not provided for in the other groups of this subclass relating to the windings
    • H02K2203/15Machines characterised by cable windings, e.g. high-voltage cables, ribbon cables
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S174/00Electricity: conductors and insulators
    • Y10S174/13High voltage cable, e.g. above 10kv, corona prevention
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
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    • Y10S174/13High voltage cable, e.g. above 10kv, corona prevention
    • Y10S174/14High voltage cable, e.g. above 10kv, corona prevention having a particular cable application, e.g. winding
    • YGENERAL 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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    • Y10S174/13High voltage cable, e.g. above 10kv, corona prevention
    • Y10S174/14High voltage cable, e.g. above 10kv, corona prevention having a particular cable application, e.g. winding
    • Y10S174/15High 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
    • YGENERAL 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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    • Y10S174/17High voltage cable, e.g. above 10kv, corona prevention having a particular cable application, e.g. winding in an electric power conversion, regulation, or protection system
    • YGENERAL 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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    • Y10S174/19High voltage cable, e.g. above 10kv, corona prevention having a particular cable application, e.g. winding in a dynamo-electric machine
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    • Y10S174/20Stator
    • YGENERAL 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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    • Y10S174/19High voltage cable, e.g. above 10kv, corona prevention having a particular cable application, e.g. winding in a dynamo-electric machine
    • Y10S174/22Winding per se
    • YGENERAL 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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    • Y10S174/24High voltage cable, e.g. above 10kv, corona prevention having a particular cable application, e.g. winding in an inductive device, e.g. reactor, electromagnet
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    • Y10S174/25Transformer
    • YGENERAL 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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    • Y10S174/26High voltage cable, e.g. above 10kv, corona prevention having a plural-layer insulation system
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    • Y10S174/28Plural semiconductive layers
    • YGENERAL 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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    • Y10S174/29High voltage cable, e.g. above 10kv, corona prevention having a semiconductive layer

Description

經濟部中央揉準局負工消费合作社印裝 f 443023 A7 _B7__ 五、發明説明(丨) 技術部份 本發明係有關申請專利範圍之前言中所述型式之水力 發電廠,此預定用以連接至分配或傳输網路,此後稱爲電 力網路》本發明並係有關水力發電廠中供上述用途之高壓 發電機。本發明另係有關用以組合此電廠及製此發電機之 方法。 背景工藝 發電機中之磁路通常包含一叠片,例如鋼片鐵心,具 有熔接之構造-爲提供通風及冷卻,鐵心通常由徑向及/ 或軸向通風導管分隔爲堆》在較大之機器,疊片衝製爲節 段,各節段固定於機器之框中,叠片鐵心由壓力指及壓力 環保持一起。磁路之繞組置於鐵心之槽中,槽大體具有方 形或梯形之橫斷面· 在多相發電機,繞組爲單或雙層繞組所構成。在單層 繞組,每槽中僅有一線圈邊,而在雙層繞組,每槽有二線 圈邊•線圈邊意爲在垂直或水平上合併之—或更多之導線 ,並設有公共線圈絕緣髖,即絕緣體設計在抵抗發電機至 地之額定電壓。 雙層繞組通常製成菱形繞組,而單層線圈在本文中可 製成菱形或平坦形繞組。僅一(可能二)線圈寬度存在於 菱形繞組中,而平坦形繞組則製成同心繞組’即具有廣大 變化之線圈宽度。線圈寬度意爲屬於同一線圈之二線圈邊 間之弧形幅度中之距離。 本紙張尺度逋用中BH家橾李(CNS > A4规格(210X 297公釐) ;------:------- <請先聞讀背面之注意事項再填寫本頁) 、11 ,^· -4 * 經濟部中央標準局員工消费合作社印製 P/ 443 023 A7 __._B7__ 五、發明説明(2 ) 通常所有大型機器均由同尺寸之雙層繞組及線圈構成 。每一線圈以一邊置於一層中’及另一邊置於另一層中。 此意爲所有線圈在線圈端中相互交叉*如有二層以上,則 此交叉使繞組工作複雜,且線圈端較難滿意· 估計旋轉發電機之線圈可製成在髙至3 - 2 0 k V之 電壓範圍內具有良好之結果。 且一般知道同步機器之連接至電力網路需經由Λ/Υ 形連接或升壓變壓器*因爲電力網路之電壓通常髙於電機 器前此能達成之電壓。故此,變壓器及同步機器構成電廠 之一體部份*變壓器引起額外成本,並具有缺點,即系統 之總效率降低。故此,如能製造遠較爲高之電壓之發電機 •則升壓變壓器可省除。 雖用以自發電機供應電流至高壓網路之主要已知技術 (在本申請書中,此爲應用於2 0 kV及以上,宜高於 3 6 k V之位準上之構想)爲插入變壓器於發電機及電力 網路之間,但已知道嘗試省除去變壓器,並產生高電壓, 在其電壓位準上直接輸出至電力網路》此種發電機例如說 明於US-A—4 429 244-US-A- 4 1 6 4 672,及 US-A-3 7 4 3 869 〇 然而,以上專利之機器設計不能最佳利用定子中之電 磁材料· 發明之說明 本紙張尺度遥用中β國家椹準(CNS ) A4規格(210X297公釐> (請先閲讀背面之注$項再填寫本頁) 4. 訂 -5 - 經濟部中央揉準局貝工消費合作社印製 443023 A7 ______B7__五、發明説明(3 ) 本發明之目的故此在提供一種發電機,此可用於水力 發電廠中,其電壓高,故可省除上述之Δ/Υ形連接升壓 變壓器,即電廠之發電機預定具有遠較對應型式之普通機 爲髙之電壓,俾能直接連接至在各種髙壓上之電力網路。 此目的依據本發明達成,因爲申請專利範圍第1項之 前言中所述之該式電廠具有此項之特徴部份所述之特色, 因爲申請專利範團第3 4項之前言中所述之該式發電機具 有該項之特徵部份中所述之特色,且因爲申請專利範圍第 3 3及3 6項之前言中所述之該式之方法包含各該項之特 徵部份中所述之特殊措施* 由於固《絕緣體與所述之其他特色結合,能供電給網 路,而無需用中間之升壓變壓器,即使網路電壓遠超過 3 6 k V亦然。 固體絕緣體能使繞組安排直接連接至高壓網路,故此 省除法升壓變壓器,提供已知技術所無之重大優點》 變壓器本身之省除導致重大節省,例如,及變壓器之 不用亦導致若干其他之簡化及因而節省· 此式電廠通常安排於岩洞中,在此•在普通技術•變 壓器安排直接連接至岩洞中之發電機,或距數百米處之地 面上,並由匯流排系統連接至發電機*與第一選擇相較, 變壓器之省除可大爲減小岩洞之體積。亦消除去油絕緣變 壓器引起火災之危險,故此,降低廣泛之防火措施之需要 ,諸如人員之特殊撤退路線。 在變壓器置於地面上之選擇中,由於發電機及變壓器 (請先閲讀背面之注意事項再填寫本頁) - 訂 - 本紙張尺度逍用t國·家揉準(CNS } A4規格(210X297公釐) I; I; 經濟部中夬標準局貞工消费合作社印装 A7 _ B7 五、發明説明(4 ) 間之距離加大,匯流排系統更長•由於匯流排(通常爲鋁 導線)中之電流相當大,約在10 _20kA ·故電力損 失大β而且,匯流排系統引進2及3相失效之危險,在此 期間,電流相當大。’ 由本發明,達成二主要目的: 由於電壓高,故匯流排損失減少* 由於使用絕緣Hvm鏞,故2及3相故障之危險大爲 降低。 由本發明所達成之®組成件數減少,此意爲可省去對 應之安全裝備。 而且,無需炸開岩洞,以佈設匯流排系統,此導致節 省數千立方米之岩洞空間· 本發明之電廠亦可連接至若干不同之電壓位準*即本 發明可用於電力站中之所有輪助電力上β 總而言之,上述優點導致根本改善電廠之整個經濟。 電廠成本(普通在數億SEK)降低3 0 — 5 0%。並由 減少維護需要•及由增加效率1_1.5%程度,改善運 轉經濟。在運轉時間爲8 0 0 0 h/年,輸出程度相當於 1 5 0MVA,一 kWh 價格爲 SEK0 . 20,及可用 壽命爲3 0年之情形,獲益約爲每一發電機S E K 7 5 — 1 0 0百萬。 在電廠及發電機之一特別較宜之實施例中•固體絕緣 系統包含至少二層,每層基本上構成一等電位表面,及其 間之中間固髖絕緣體,至少該等層之一具有與固體絕緣體 本紙乐尺度逋用中钃困家梯率(CNS ) A4规格(210X297公釐) (請先聞讀背面之注意事項再填寫本頁)
ft' 443023 A7 B7_ 五、發明説明(5 ) 大致相同之熱膨脹係數· (請先Μ讀背面之注意事項再填寫本頁) 此實施例構成固體絕緣髖之有利實施例,在最佳之方 式中,使繞組能直接連接至髙墼網路·且在此,熱膨脹係 數之一致消除繞組熱移動時所引起故障,破裂等之危險》 顯然,繞組及絕緣層應爲可撓性,俾可膂曲。 應指出者,本發明之電廠可使用水平或垂直發電機構 成•此可爲地下或地上式。 本發明之以上及其他較宜實施例說明於後附之申請專 利範圍中· 已知之技術及本發明之實施例間之主要及基本不同在 於,本發明實施例由發電機中所含之磁路達成,此安排僅 經由斷路器及隔離器直接連接至2 0及8 0 0 k V間,宜 高於3 6 k V鄰近之髙供應電應*磁路故此包含一疊片鐵 心,具有由穿入之電嫌所構成之至少一繞組,電纜具有一 或更多之永久絕緣導線,具有半導體層在導線上及絕緣體 外部,外半導體層連接至地電位。 經濟部中央棣準局月工消費合作社印袈 爲解決直接連接電機器至所有各式高壓電力網路上所 引起之問題•本發明之電廠中之發電機具有上述之若干特 色,此等與已知之技術明顯不同,另外之特色及另外之實 施例說明於後附之申請專利範圍中,並討論於下。 上述特色及本發明之發電機及水力發電廠之其他基本 特徵包含以下: 磁路之繞組由電纜構成,具有一或更多之永久絕緣導 線,在導線及護套處具有半導體層·此式之一些普通導線 本纸張尺度逋用中國國家櫺率(CNS ) AAg ( 2丨0X297公釐) -8 - :443 023 3; 五、發明説明(6 ) 爲P E X電纜或具有E P橡膠絕緣之電纜,然而,在本用 途中,此等在導線之股及外護套之性質方面經進一步發展 〇 電纜宜具有圓形橫斷面,但具有其他橫斷面之電纜亦 可使用,例如,以獲得較佳之包裝密度。 此一電續使®片鐵心在槽及齒方面可依本發明以新及 最佳方式設計。 繞組宜製造具有階形之絕緣體*俾最佳利用叠片之鐵 心0 繞組宜製成多層,同心之電鏞繞組,如此可減少線圈 端之交叉數· 槽設計配合繞組電纜之橫斷面·故槽爲若干圓筒形開 口之形狀,沿軸向及/或徑向在相互外面上延伸,並具有 —開放腰部延伸於定子繞組厝之間。 槽之設計配合有關之電纜橫斷面及繞組之階形絕緣體 。階形絕緣體使磁鐵心具有大致恆定之齒寬度,而不管徑 向延伸如何。 經濟部中央梂準局Λ工消费合作社印製 (請先閲讀背面之注意事項再填寫本頁) 上述有關纜股之進一步發展導致繞組導線由若干壓緊 之層構成,即是,自電機器之觀點上,絕緣之纜股並不需 正確移置,相互不絕緣•及/或絕緣。 上述有關外護套之進一步發展導致沿導線之長度上之 適當地點處,外護套切去,每一切開部份長度直接連接至 地電位· 上述該式電纜之使用使繞組之外護套之整個長度以及 本紙張尺度逋用中國家樣率(CNS > Α4规格(210X297公釐} 附件一:第 86107968 443ϋ2中彥說明書修正頁 號專利申請案 民國89年1月修正 η ^ 士 女5*/" tflfc.·.· . » 謂. 經濟部智慧財產局員工消費合作社印製 五、發明說明( 該電廠之其 外半導體層 套上,故電 或其間之過 絕緣及 散損失低。 在磁路繞組 導體層之內 而由一外半 ,及導線面 當構製 體亦具有大 在工廠完成 此考慮下之 ,其中,道 電機之定子 本發明 方法,其中 利用此可能 較宜實施例 爲明瞭 通水力發電 發電機室5 ,裝設發電 他部份保持於地電位。一重要優點爲爲電場在 外之線圈端區內接近於零。由於地電位在外護 場無需控制。此意爲在鐵心中,線圈端區中, 渡區中,不發生電場集中》 /或不絕緣之壓緊股,或移置股之混合導致逸 中之高電壓繞線係由 片/導管所構成,最 導體層包圍,具有外 稹在40-3000 水力發電廠時,本發 優點《無濕絕緣體, ,而代之者,可運送 定子之體積大且重, 路需加強及加大,供 可以零件運送•故消 並係有關申請專利範 ,當分別建造水力發 性。 之說明 本發明之優點之一些方面,參考圖5 ,顯示普 廠之一實例。此爲具有變壓器室5 0 1置於距 0 2之一些距離處之型式,後者爲岩洞之形狀 機5 0 3。發電機5 0 3經由安排於數百米長 具有多數個股*至少二半 內者由絕緣層包圍,此轉 直徑在20_200mm mm2® 明之發電機中之固體絕緣 此意爲發電機之定子無需 零件,並在現場組合。在 此在普通設計上運輸問題 大重量運送之用。由於發 除去此問題。 圍第3 0及3 3項所述之 電廠及製造發電機時,可 --------Γ(ί—-------- 訂———Ύ----------------------- (請先閱讀背面之注意事項再填寫本頁) 本紙張尺度適用中國國家標準(CNS)A4規格(210 * 297公釐) -10 - 443023 A7 B7 五、發明说明(8 ) 之道系統5 5 0 1中之 一 A之右方 模。無變壓 遠較爲大之 及安全裝備 發電機 軸向圖顯示 3 )。定子 機中相當於 〇 4中之匯流排系統5 0 5連接至變壓器室 變壓器•本發明之電廠整個消除去圖5中線A 部份,且大致保留發電機室5 0 2中相同之規 器如圖5所示置於地面上之普通電廠代之需要 發電機室5 0 2,俾有空間供變壓器及其輔助 之用8 之轉子亦以通過圖1之定子1之一扇區之概要 ,屬於水力發電廠中所含之發電機100(圖 1依普通方式由叠片鐵心構成。圖1顯示發電 —極節距之一扇區。自位於徑向最外部之鐵心 (請先M讀背面之注意事項再填寫本瓦) 經 濟 部 中 消 費 合 作 社 印 装 之轭部份3開始,若干齒4沿徑向向轉子2延伸,並由槽 5隔開•槽中置定子繞組。構成此定子繞組之電纜6爲高 壓電纜,此可爲與電力分配所用大致相同之型式*即 PEX電纜。PEX=交鏈聚乙烯(XLPE)。一不同 爲消除通常包圔此電力分配電纜之外機械護套及金屬屏蔽 層•故本申請書之電隳僅包含導線及至少一半導體層在絕 緣層之每一面上*如此,易受機械損壞之半専體層裸露於 電纜之表面上。 電纜6概要顳示於圖1,其中僅繪出每一電纜部份或 _______ 線圈邊之導m中心部份。如可見及,每一槽5具有變化之 橫斷面,具有交替之寬部份7及窄部份8。寬部份7大致 爲圓形,並包園電纜,其間之腰部形成窄部份8。腰部用 以在徑向上固定每一電纜之位置•槽5之橫斷面亦沿徑向 向內漸窄小•此仍由於電續部份上之電壓在愈近定子1之
、1T 1· 本紙張尺度逋用中國國家標準(CNS ) A4規格(2ί〇Χ297公釐) -/1 n -11 443023 經濟部中央樣準局貝工消费合作社印敢 A7 B7 五、發明説明(9 ) 徑向內部處愈低。故較瘦之電鼸可用於此處’而較粗之電 纜則需用於較外側處。在圖示之例中’使用不同大小之三 電纜,安排於槽5中三對應大小之節段5 1 ’ 5 2 ,5 3 中。一輔助電力繞組9安排於槽5之最外側。 圖2顯示用於本發明之電機器中之高壓電纜之階形剝 開端視圖。髙壓電纜6包含一或更多之導線3 1 ’各包含 若干股3 6,此等一起提供銅(C u )之例如圓形橫斷面 。導線3 1安排於高壓電纜6之中心,且在所示之實施例 中,各由一部份絕緣體3 5包圍。然而,導線3 1之一上 之部份絕緣體3 5可省略。在本發明之實施例中,導線 3 1 —起由一第一半導體層3 2包圍。一絕緣層3 3,例 如P E X絕緣體包圔此第一半導體層3 2,此轉而由一第 二半導體層3 4包圍•如此,本申請書中之 >高壓電纜| 無需包含通常包圍此電力分配電纜之金靥屏蔽層或外護套 9 具有上述型式之磁路之水力發電廠顯示於圖3,其中 *發電機1 0 0由一水輪機1 0 2經一公共軸1 0 1驅動 « 發電機1 0 0之定子1故此攜帶定子繞組1 0 ·此由 上述之電纜6構成•電纜6無屏蔽,並在電纜編接9 g改 I爲有屏蔽之電纜1 1。 由本發明之水力發電廠1 0 0 I如此可產生高至約 7 800kV之極髙電壓。如此可電直接連接水力發電廠 1 0 0至分配或傳输網路1 1 0,此在普通電廠之情形· 本紙ft尺度適用中國國家梯準(CNS ) A4规格(210X297公釐) {請先閱讀背面之注意事項再填寫本頁)
12 - 产 443023 經濟部中央橾準爲β;工消費合作社印裝 A7 _B7_ 五、發明说明(10 ) 具有中間升壓變壓器或類似之電機器’其中’相等之發電 機最多能產生至髙2 5 — 3 0 kV之電壓。 圖4顯示本發明之水力發電廠。發電機1 0 0普通具 有激勵練組1 1 2及一(或更多)輔助電力繞組1 1 3。 在所示之本發明之電廠之實施例中•發電機1 0 0經由阻 抗1 0 3接地。 且自圖4可見,發電機1 0 0經電纜編接9電連接至 有屏蔽之電繞11(亦閱固3)·電纜11設有普通之電 流變壓器,並終接於1 0 5處。在此點1 05後,所示實 施例之電廠由匯流排1 0 6繼績,分枝具有電厲變壓器 107及突波防避器108。然而*主電力經匯流排 1 0 6直接供應,經隔離器1 0 9及斷路器1 1 1至分配 及傳輸網路1 1 〇。 本發明之水力發電廠設計用以產生電壓給電力網路* 如上述,或作爲泵廠,即由電力網路110驅動·發電機 1 0 0故此用作馬達,以驅動作爲泵之輪機· 如此|使用水力發電廠1 0 0,無需升壓變壓器之中 間連接'故此,使用本發明之水力發電廠*省除去先前需 要之若干變壓器及斷路器單位,此顯然爲一優點*不僅在 成本及操作可靠性方面· 雖以實施例說明及顯示水力發電廠及含有此發電機之 電廠,但精於本藝之人士顯然知道可作若干修改,而不脫 離本發明構想。例如•發電機可直接接地•而不用任何阻 抗。輔助繞組可省略,所以之其他組成件亦然•雖本發明 衣紙法尺度適用中國國家榡準(CNS ) A4規格(2丨0X297公釐) 13 - (請先閲讀背面之注意事項再填寫本頁)

Claims (1)

  1. 443023 Λ8 B8 C8 m
    申請專利範圍 附件二A:第86107968號專利申請案 中文申請專利範圍修正本 民國89年1月修正 Ϊ: 一忮是否變史原實質内容 經濟部智慧財產局員工消費合作社印*1农 10 0)* 機(1 0 2 徵爲:發電 排經由連接 8 0 0 k V 2 如 繞組包含一 構成一等電 含一絕緣體 上構成一等 至少之一具 3 *如 ,其特徵爲 4 ·如 磁路之锇心 鐵及/或粗 5 -如 ,其特徵: ,電纜包含 種水力發 其中,發 )·發電 機(1 0 元件(1 之間,宜 申請專利 絕緣系統 位表面, 系統*該 電位表面 有與固體 申請專利 :該發電 申請專利 之磁通徑 鑄截構成 申請專利 電廠,包 電機經由 機(1 0 0 )設有 0 9 )直 高於3 6 範圍第1 ,含有至 及中間固 系統包含 ,以及中 絕緣體大 範圍第1 機包含一 範圍第3 路由疊片 含至少 軸裝置 0 )包 囿體絕 接連接 k V之 項所述 少二半 體絕緣 至少二 間固體 致相同 或2項 磁路, 項所述 及/或 一高壓旋轉電機器( (1 0 1 )連接至輪 含至少一繞組,其特 緣體,且 至具有電 傳输或分 之電廠, 導體層, 體,其中 半導電層 絕緣體, 之熱膨脹 之任一項 具有一磁 之電廠, 鑄鐵及/ 每一繞組安 壓在2 0及 配網路。 其特徵爲: 每層基本上 ,該繞組包 ,每層基本 且該等層之 係數。 所述之電廠 鐵心。 其特徵爲: 或粉基礎之 範圍第1 - 2項之任一項所述之電廠 固體絕緣體構製預定用於高壓上之電纜(6 ) —或更多之電流攜帶導線(3 1) ’由至少二 本紙張尺度適用令困國家標準(CNS)A4規格(210 x 297公爱> 請 先 閱 讀 背 s 之 注 意 事 項
    頁 訂 線 443023 AS B8 CS D8 經濟部智慧財產局員工消費合作社印*,!^ 、申請專利範圍 · 半導體層(3 2 * 3 4 )及固體絕緣體之中間絕緣層( 3 3 )包圍。 6 .如申請專利範圍第5項所述之電廠,其特徵爲: 最內之半導體層(3 2 )在與導線(3 1 )大致相同之電 位上β 7 如申請專利範圍第5項所述之電廠,其特徵爲: 外半導體層(3 4 )之一安排形成基本上一等電位表面, 包圍導線(3 1 )。 8 ·如申請專利範圍第7項所述之電廠,其特徵爲: 該外半導體層(3 4 )連接至預定之電位。 9 ·如申請專利範圍第8項所述之電廠,其特徵爲: 該預定之電位爲地電位β 10·如申請專利範圍第5項所述之電廠•其特徵爲 :該等層之至少之二具有大致相同之熱膨脹係數。 - 1 1 ·如申請專利範圍第5項所述之電廠,其特徵爲 :電流攜帶導線包含多股,僅少數股並不相互絕緣。 1 2 .如申請專利範圍第1 — 2項之任一項所述之電 廠,其特徵爲:繞組由一電纜構成,包含一或更多電流攜 帶導線(2),每一導線由若干股構成,一內半導體餍( 3 )安排包圍每一導線,固體絕緣體之一絕緣層(4 )安 排包圍每一內半導體層(3 ),及一外半導體層(5 )安 排包圍每一絕緣層(4)。 如 申請專利範圍第1 2項所述之電廠,其特徵 爲·電纜並包含一金饜屏蔽層及一護套 本紙張尺度適用中國國家標準(CNS)A4規格(210 x 297公爱〉 清 先 閱 讀 背 Φ 意 事 項
    I 訂 線 A8 R8 CS D8 443023 六、申請專利範圍 1 4 如申請專利範圍第1 _ 2項之任一項所述之電 廠,其特徵爲:其定子由氣體及/或液體流在地電位上冷 卻。 1 5 如申請專利範圍第1 — 2項之任一項所述之電 廠,其特徵爲:最外半導體(3 4 )連接至地電位。 1 6 ·如申請專利範圍第1 一 2項之任一項所述之電 廠,其特徵爲:轉子(2 )電感性連接至高電壓。 1 7 ·如申請專利範圍第1 6項所述之電廠,其特徵 爲:轉子(2 )爲圓筒形,具有凸極|並具有恆定空氣隙 〇 1 8 _如申請專利範圍第1 7項所述之電廠|其特徵 爲:定子繞組由整體槽繞組實施。 1 9 如申請專利範圍第1 7項所述之電廠,其特徵 爲:定子繞組由部份槽繞組實施。 - 2 0 ·如申請專利範圍第1 8或1 9項所述之電廠, 其特徵爲:定子具有集中繞組,及繞組線圈具有線圈跨度 等於極節距。 21如申請專利範圍第18或19項所述之電廠, 其特徵爲:定子繞組中之線圈爲分佈式’且具有一線圏跨 度與極節距不同, 2 2 .如申請專利範圍第5項所述之電廠,其特徵爲 :具有固體絕緣體之電纜(6 )具有導線面積在4 0及 3 0 0 Omm2之間,並具有外電纜直徑在2 0及2 5 ◦ m m之間》 本紙張尺度適用中國國家標準(CNS>A4規格(210*297公爱) <請先閱讀背面之注意事項存也寫本頁) 訂_ 丨線· 經濟部智慧財產局員工消費合作社印製 443023 g88 C3 Π8 六、申請專利範圍 2 3 ·如申請專利範圍第2 2項所述之電廠*其特徵 爲:電纜(6 )由電流攜帶導線(3 1 )內之氣體或液體 冷卻。 2 4 ·如申請專利範圍第1 _ 2項之任一項所述之電 廠,其特徵爲:該發電機(1 0 0 )設計用於高壓上’並 安排直接供電給出去之電網路(110),而無中間連接 之變壓器。 2 5 .如申請專利範圍第1 _ 2項之任一項所述之電 廠,其特徵爲:此包含若干發電機,各無個別之升壓變壓 器 > 但經由各發電機公用之系統變壓器,連接至傳輸或分 配網路。 2 6 ·如申請專利範圍第2 4項所述之電廠,其特徵 爲:至少一發電機經(1 0 0 )由一阻抗(1 0 3 )接地 〇 - 2 7 ·如申請專利範圍第2 4項所述之電廠1其特徵 爲:至少一發電機(1 00 )直接接地。 2 8 ·如申請專利範圍第2 4項所述之電廠,其特徵 爲:此設計另作爲泵及輪機站驅動,電機器(1 0 0 )安 排用作馬達,由電力網路(1 1 0 )直接驅動,或用作發 電機,產生電壓給電力網路。 2 9 ·如申請專利範圍第2 4項所述之電廠,其特徵 爲:該發電機安排產生各種電壓位準之電力。 3 0 ·如申請專利範圍第2 9項所述之電廠|其特徵 爲:該等電壓位準之一安排產生輔助電力,及該輔助電力 本紙張尺度適用中Sil家標準(CNS)A4規格(21G X 297公爱) ' -4 - (請先閱讀背面之注意事項# r,、 裝 訂' -線' 經濟部智慧財產局員工消費合作社印製 經濟部智慧財產局員工消費合作社印製 在43 023 六、申請專利範圍 安排由發電機(100)中之一分離繞組(119 , 113)產生。 3 1 ‘如申請專利範圍第1 — 2項之任一項所述之電 廠,其特徵爲:所有組成件接地於同一地系統。 3 2 ·如申請專利範圍第1 一 2項之任一項所述之電 廠,其特徵爲:發電機之繞組安排成自調整控制式,且無 輔助裝置來控制電磁場》 3 3 ·如申請專利範圍第1項所述之電廠,其特徵爲 :發電機之定子以零件運送至電廠現場,該等零件包含分 離之定子叠片及/或定子叠片之聯合堆,其後,各零件在 現場組合,及繞組之穿線及所需之任何編接均在現場執行 0 34· —種高壓發電機(100),包含於一水力電 廠中,其中*發電機經由軸裝置(1 0 1 )連接至輪機C-10 2),及發電機(100)包含至少一繞組,其特徵 爲:發電機(1 0 0 )設有固體絕緣體,及每一繞組安排 經由連接元件(1 0 9 )直接連接至具有電壓在2 0及 8 0 0 kV之間,宜高於3 6 k V之傳輸或分配網路。 3 5 ·如申請專利範圍第3 4項所述之發電機,其特 徵爲:此含有申請專利範圍第2項所述之電廠中所含之發 電機所定之特色。 3 6 —種用以製造申請專利範圍第3 4項所述之發 電機之方法•其特徵爲:該製造包含用以組合申請專利範 圍第3 3項所述之發電機之措施^ 本紙張尺度適用中國國家標準(CNS)A4規格(210 * 297公釐)
    II .4-' _ 5 -
TW086107968A 1996-05-29 1997-06-10 A hydro-generator plant TW443023B (en)

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TW090218129U TW516746U (en) 1996-05-29 1997-06-10 A rotating asynchronous converter and a generator device
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
TW086107973A TW355802B (en) 1996-05-29 1997-06-10 A DC transformer/reactor
TW086107961A TW360603B (en) 1996-05-29 1997-06-10 An electrical drive system for vehicles
TW086107959A TW441154B (en) 1996-05-29 1997-06-10 High-voltage plants with electric motors
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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
TW086107973A TW355802B (en) 1996-05-29 1997-06-10 A DC transformer/reactor
TW086107961A TW360603B (en) 1996-05-29 1997-06-10 An electrical drive system for vehicles
TW086107959A TW441154B (en) 1996-05-29 1997-06-10 High-voltage plants with electric motors
TW086107963A TW453010B (en) 1996-05-29 1997-06-10 A turbo-generator plant

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ZA974708B (en) 1998-11-30
CO4650252A1 (es) 1998-09-03
WO1997045288A2 (en) 1997-12-04
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