TW454371B - Synchronous compensator plant - Google Patents
Synchronous compensator plant Download PDFInfo
- Publication number
- TW454371B TW454371B TW086107974A TW86107974A TW454371B TW 454371 B TW454371 B TW 454371B TW 086107974 A TW086107974 A TW 086107974A TW 86107974 A TW86107974 A TW 86107974A TW 454371 B TW454371 B TW 454371B
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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
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- 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
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- 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
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- H01F3/10—Composite arrangements of magnetic circuits
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- H—ELECTRICITY
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- 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
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- 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
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- H02K15/12—Impregnating, heating or drying of windings, stators, rotors or machines
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- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
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Description
經濟部中央橾準局員工消費合作社印製 454371 A7 ________B7_ 五、發明説明(1 ) 技術部份 本發明係有關電機器,預定連接至分配或傳輸網路, 此後稱爲電力網路》更明確言之*本發明係有關供以上用 途之同步補償設施。 背景工藝 電抗性電力存在於轉移交流之所有電力系統中》許多 負荷不獨消耗有效電力,且亦消耗電抗性電力。由於變壓 器,架空電線,及電纜之串連電抗之結果,電力本身之傳 输及分配引起電抗性損失。由於各相間及相與地電位間之 電容性連接之結果,架空電線及電纜亦產生電抗性電力。 在交流系統之固定操作中•有效電力之產生及消耗需 相符,以獲得標稱之頻率。一同等強度之交連存在於電力 網路之電抗性電力平衡及電壓之間。如電抗性電力消耗及 產生不以適當之方式平衡,則其結果可爲電力網路之一些 部份中發生不可接受之電壓位準。一區域中之電抗性電力 過度引起高電壓,而不足則導致低電壓。 與在標稱頻率上之有效電力平衡(此僅由發電機之有 效電力起動器控制)相反,適當之電抗性電力平衡由同步 發電機之可控制激勵及系統中所分置之其他組成件獲得》 此等(相位補償)組成件之例爲分流電抗器,分流電容器 ,同步補償器,及SVC (靜態可變補償器)。 電力網路中此等相位補償組成件之位置不獨影響電力 網路之各部份中之電壓,且亦影響電力網路中之損失,因 本紙張尺度適用中國國家標準(CNS ) Λ4規格(210X 297公釐)-4 _ J^ -----^.------ΪΤ------0 (請先閔讀背面之注意事項再i-.ft本頁) 4543 7 1 A7 B7 經濟部令央標婆局員工消費合作社印製 五 、發明説明 ( 2 ) 爲 與 有效 電 力 之 轉移同 樣 > 電 抗性電力之轉 移 引起損失及 因 而 發熱 〇 l-f - 故 此 需設置 相 位 補 償組成件,俾 損 失降至最低 > 且 電力 網 路 之 所有各 部 份 中 之電壓爲可接 受 0 分流 電 抗 器 及分流 電 容 通常永久連接 或 經由機械斷 路 機 構連 接 至 電 力網路 〇 換 言 之,由此等組 成 件所消耗/ 產 生 之電 抗 性 電 力並非 可 連 續 控制。另一方 面 ,由同步捕 償 器 及S V C 所 產生/ 消 耗 之 電抗性電力爲 可 連續控制者 如 需要 高 性 能 之電壓 控 制 * 則因此使用此 二 組成件。 以下 簡 要 說 明使用 同 步 補 償器及s V C 之 相位補償技 術 同步 補 償 器 在原理 上 爲 同 步馬達,在無 負 荷上運轉, 即 此 取用 電 力 網 路上之 有 效 電 力,等於機器 損 失》 同步 補 償 器 之轉子 軸 通 常 在水平,且轉 子 通常具有六 或 八 凸極 0 轉 子 通常爲 熱 設 計 ,故同步補償 器 在過度激勵 狀 態 中能 產 生 約 10 0 % 之 視 在功率,定子 爲 熱設計•用 於 電 抗性 電 力 形 態(額 定 輸 出 上)。在激勵 不 足之狀態中 9 當 同步 補 償 器 消耗電 抗 性 電 力時,此消耗 約 6 0 %之額 定 輸 出( 標 準 值 >視機 器 之 設 計而定)β此 提 供約1 6 0 % 之 額定 輸 出 之 控制區 > 電 抗 性電力消耗/ 產 生可在其上 連 續 控制 〇 如 機 器具有 凸 極 > 在橫方向上具 有 較小之電抗 J 且 設有 能 作 正 及負激 勵 之 激 勵裝備•則可 消 耗較上述 6 0 %額 定 輸 出 爲多之 電 抗 性 電力,而機器 並 不超過穩定 性 限 度。 近 代 同 步補償 器 通 常 裝有快速激勵 系 統,宜爲閘 流 體 控制 之 靜 態 激勵器 > 其 直 流電流經滑環 供 應至轉子。 (請先閣讀背面之注意事項再,=.¾本頁) 本紙張尺度適用中國國家標準(CNS ) A4現格(210X 297公釐)-5 - 經濟部中央標隼局員工消費合作社印裝 Α7 __Β7_ 五、發明説明(3 ) 此法可作正及負供應,如上述。 同步補償器中之磁路通常包含一疊片,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,叠片衝製 爲節段*各節段固定於機器之框中,疊片鐵心由壓力指及 壓力環保持一定。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。 在多相電機器,繞組爲單或雙層練組所構成。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。線圈邊之意爲在垂直或水平上合併之一或更多之導 線,並設有一公共線圈絕緣體,即絕緣體設計在抵抗機器 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 變化之線圈寬度。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。 通常所有大型機器均由同尺寸之雙層繞組及線圏構成 。每一線圈以一邊置於一層中,及另一邊置於另—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。 估計旋轉機器之線圈可製成在高至1 〇 _ 2 0 k V之 電壓範圍上具有良好之結果。 同步捕償器具有相當短之持續期之過負荷能量。在電 本紙張尺度適用中國國家樣準(CNS ) Α4规格(2丨Ο X 297公釐)-6 - --------批衣------1T------^ (請先閱讀背面之注意事項再ν為本頁) 454371 經濟部中央標準局員工消費合作社印製 A7 B7 五、發明説明(4 ) 力系統中發生電機械振盪之情形,同步補償器可短暫供應 高至二倍額定輸出之電抗性電力。同步捕償器亦具有較持 久之過負荷能量,並常能供應較額定输出高1 〇至2 0% 之輸出多至3 0分鐘。 同步補償器以大小自數MVA至數百MVA存在。由 氫氣冷卻之同步補償器之損失高至約1 〇W/kv a r , 而空氣冷卻之同步補償器之對應數字約爲2 OW/ k v a r « 同步補償器宜裝於長徑向傳输線之接收端*及具有長 傳輸線之屏蔽電力網路之重要節點上,尤其是使用小型地 區發電之區域中》同步補償器亦用以增加HV C D反相站 鄰近之短路電力。 同步補償器最常連接至電網路中電壓遺高於同步補償 器設計所用之處。此意爲,除同步補償器外,同步補償設 施通常包含一升壓變壓器,同步補償器及變壓器間之一匯 流排系統,同步補償器又變壓器間之一發電機斷路器’及 變壓器及電力網路間之線路斷路器’閱圖1之單線圖。 近年來,S V C在新設備中已大量取代同步補償器, 因其具有優點,特別在成本方面,但亦在一些應用上,因 其技術上之優點。 S V C構想(靜態可變補償器)爲目前在電抗性電力 補償上之主導構想,且在許多情形’取代傳输網路中之同 步補償器,且亦應用於有關電弧爐之工業上。s v c爲靜 態,其意爲,與同步補償器相反’此等無可移動或轉動之 本紙張尺度適用中國國家標準(CNS ) A4規格(210X 297公釐)-7 - -1-^--------^------1T------0 (請先聞讀背面之注意事項再i^;4·本頁) 經濟部中央標準局員工消費合阼让印袈 454371 A7 _____B7_ 五、發明説明(5 ) 主要組成件" s V C技術係根據半導體,閘流體所建立之快速斷路 器。一閘流體可在數百萬分之一秒中自絕緣體轉變爲導體 •電容器及電抗器可由閘流體橋連接或中斷,其延遲可略 而不計。由合併此二組成件,電抗性電力可無段性供應或 抽出。具有不同電抗性電力之電容器排能逐段控制所供應 之電抗性電力。 一s V C設施由電容器排及電抗器二者構成,且由於 閘流體產生諧波,該設施亦含有諧波過濾器。除控制裝備 外,補償裝備及網路之間亦需要一變壓器,以獲得在大小 及成本之觀點上之最佳補償。SVC設施有大小自數 MVA至6 5 OMVA供應,具有標稱電壓高至 7 6 5 k V。 有多種S V C設施存在,依電容器及電抗器如何組合 稱之。可能包含之二普通元件爲TSC或TCR。TSC 爲閘流體控制之電抗性電力產生電容器,及T C R爲閘流 體控制之電抗性電力消耗電抗器。普通型式爲此等元件 TSC/TCR之組合》 損失幅度較多取決於S V C屬於何式設施,例如, F C/TCR式(FC意爲固定電容器)具有遠較tsC /T C R爲大之損失。後式之損失約相當於同步補償器之 損失。 自以上相位補償技術之概述明瞭,此可分爲二主要構 想,即同步補償及SVC。 本紙法尺度適用中國國家橾準(CNS ) Λ4規格(2丨0X297公釐) J—I--------¾------1T------ii (讀先閲讀背面之注意事項再〆,¾本頁) 經濟部中央慄隼馬員工消费合汴,吐.印緊 454371 A7 __ B7五、發明説明(6 ) 此二構想具有不同之強點及弱點。與同步補償器相較 ,s V C具有較低廉之主要優點。然而,此亦可較快速控 制,此在一些應用上可爲一優點。 與同步捕償器相較,SVC之缺點包括: 無過負荷能量。在操作於其電容性限度中,SVC基 本上變爲電容器*即是,如電屋下降,則電抗性電力產生 以電壓之平方下降。如相位補償之用途在使電力能在長距 離上轉移,則過負荷能量之缺乏意爲*爲避免穗定性問題 ,需選用較同步捕償設施爲高之額定輸出之S V C設施。 如含有TCR,則需要過濾器。 並無具有內部電壓源之一旋轉質量。此爲同步補償器 之優點,尤其是在HVD C傳輸鄰近爲然》 本發明係有關一種新同步補償設施》 旋轉電機器開始用於例如產生/消耗電抗性電力上, 其目的在達成網路中之相位補償。 以下簡要說明此技術,即相位補償,使用同步補償器 及其他普通技術,用以補償電抗性電力。 電抗性電力應在消耗處局部補償,以避免電抗性電力 轉移至網路,並產生損失。分流電抗器,分流電容器,同 步補償器,及S V C代表不同之補償方法,需用於傳輸及 副傳输網路之電抗性電力上 同步補償器基本上爲同步馬達,在中立中運轉,即是 ’此取用網路中之有效電力,相當於機器之損失。該機器 可過低激勵或過度激勵,以分別消耗或產生電抗性電力。 ----------^------ίτ------0 (請先閲讀背面之注意事項真.:¾本頁) 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公廣) 9 45 43 7 1 A7 B7 五、發明説明(7 ) 其電抗性電力之產生/消耗可連續調整。 在過度激勵狀態,同步補償器具有高至3 0分鐘之短 期1 0- 20%之過負荷能量。在過低激勵狀態,當機器 消耗電抗性電力時,此平常可消耗約6 0%之額定輸出( 標準值,視機器之設計而定)》此提供約16〇%之額定 输出之控制區。 如機器具有凸極,在橫方向上具有較小之電抗,並設 有能負激勵之激勵設施,則可消耗較上述6 0%額定輸出 爲高之電抗性電力,而機器不會超出穗定性限度。近代同 步補償器通常裝有快速激勵系統,宜爲閛流體控制之靜態 激勵器,其中,直流經滑環供應至轉子。此法亦可依上述 作負激勵。 同步補償器目前主要用以產生及消耗與HVD C反相 站相連之傳輸網路中之電抗性電力,因爲同步補償器能增 加短路能量,此爲SVC所欠缺。近年來,SVC在新設 備中已取代同步補償器|因其在成本及構造上之優點。 本發明係有關前述之構想·即同步補償。 發明之說明 據此背景,本發明之一目的在提供一種較已知技術所 可能爲佳之同步補償設施,當欲連接至高壓網路·包括電 壓位準在3 6 k V及以上者上時,減少所需之電組成件數 〇 此目的依據本發明之一第一方面達成,因爲申請專利 本紙張尺度適用中國國家標準(CNS)A4現格(210X297公釐)_ 1〇 _ -----------— - > (請先聞讀背面之注^^項再厂,."本頁) 訂 經濟部中央橾準馬員工消资合作社印袈 454371 A7 B7 五、發明説明 範圍第1項 所述之特色 由於同 特殊固體絕 普通此式機 電壓位準可 準》如此達 無需中間連 變壓器 ,但亦具有 (8 ) 之前言中所述之該式設施含有該項之特徵部份 步捕償設施之旋轉電機器中之繞組構製具有此 緣體,故該機器可達成一電壓位準,此逮高於 器在實際上或在經濟製造上可達成之限度。此 到達在電力分配及傳輸網路上可應用之任何位 成優點,即同步補償器可直接連接至此網路| 接一升壓變壓器》 本身之消除導致大爲節省成本,重量,及空間 較普逋同步補償設施爲優之其他決定性之優點 齊 設施之效率增加,及避免損失•此等由變壓器消耗電 抗性電.力及所發生之相位角度轉動所引起。此在系統之靜 態及動態穩定性餘裕上有正面影響。而且,普通變壓器包 含線圈,此引起火災危險。此在本發明之設施中消除,並 減少各種火災防護需要。亦減少許多其他電連接組成件及 保護裝備》此降低設施成本,並減少服務及維護需要。 此等及其他優點導致同步補償設施較之普通設施大爲 減小及低廉,且由於較少維護及較低損失·大爲提高操作 經濟性。 由於此等優點,本發明之同步補償設施有助於此構想 在經濟上與SVC構想競爭(閱以上),且較此具有成本 上之優點。 使同步補償器構想較之S V C構想具有競爭性之本發 ^衣 .tT------^ , · * (請先閱讀背面之注意事項寫本頁) 本紙張尺度適用中國國家標準(CNS Μ4規格(210X297公釐)-11 — 454371 A7 __B7_ 五、發明説明(9 ) 請 先 閲 讀 背 之 注 意 事 項 Ν- i 复裝 頁 明故此使同步補償設施能回復使用。S V C捕償所帶之缺 點故此不再關要* S V C設施中複雜•笨重之電容器及電 抗器排爲一此缺點。SVC技術之另一大缺點爲其靜態補 償,此並提供與旋轉電機器由其旋轉e. m. f所獲得之 慣性在電壓及相位角度上所達成相同之穩定性。同步補償 器故此更能調整網路中暫時之干擾及相位角度之波動。控 制S V C設施之閘流體亦對相位角度位移敏感。本發明之 設施亦能解決諧波問題β 本發明之同步補償設施故此能利用同步補償器技術較 S V C技術爲佳之優點·以獲得更有效及穩定之補償|在 設施投資及操作之觀點上•成本效益更高· 訂 與普通同步補償器及S V C二者相較,本發明之設施 小,低廉,有效,及可靠。 線 經濟部中央標準局員工消资合作社印製 本發明之另一目的在滿足快速,可連續控制之電抗性 電力之需要,此直接連接至副傳輸或傳输階層,以管理系 統穩定性,及/或對HVD C傳輸鄰近之旋轉質量及電動 力之依賴性。該設施應能供應自數MVA至數千MVA » 由滿足此等目的所獲得之優點爲避免中間變壓器,否 則,其電抗消耗電抗性電力,此亦能免除傳統之高功率斷 路器。在網路品質上亦獲得優點,因爲有旋轉補償。使用 本發明之設施,過負荷能量亦增加,此在本發明中可爲 + 1 0 0% '本發明之同步補償器可在過度激勵操作中提 供較普通同步補償器爲髙之過負荷能量,在短期及長期過 負荷能量上均如此。此主要係由於定子之加熱時間常數在 本紙張尺度適用中國國家標準(CNS)A4規格(2丨0乂297公釐)-12 - 經濟部中央標準局员工消費合作社印製 454371 A7 ._____B7__ 五、發明説明() 本發明之定子繞組之電絕緣上巨大之故。然而,轉子之熱 設計應不得限制利用此過負荷能量之可能性。如此可使用 較小之機器。控制區可較現行技術長* 爲達成此點,在同步捕償設施所含之電機器中之磁路 構製有穿入之永久絕緣電纜,含有地線*本發明並係有關 用以製造此一磁路之方法。 已知技術及本發明之實施例間之主要及基本差異故此 爲,此由設有固體絕緣體之電機器達成,繞組之磁路安排 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之高供應電壓。磁路故此包含一疊片鐵心, 具有由穿入電纜所構成之繞組,具有一或更多之永久絕緣 導線•在導線上及絕緣體外具有半導體層·外半導體層連 接至地電位。 爲解決由直接連接電機器至所有各式高電壓電力網路 上所引起之問題,本發明設施中之機器具有上述之若干特 色,此等與已知之技術明顯不同。另外特色及其他實施例 說明於所附之申請專利範圍中,並討論於下。 此處所含之本發明之同步補償設施及電機器之上述特 色及其他基本特徵包括以下: 磁路之繞組由一電纜構成,且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 線爲P E X電線或具有E P橡膠絕緣之電纜,然而,在本 用途中,此在電纜之股及外護套之性質方面經進一步發展 «ΡΕΧ=交鏈聚乙烯(XLPE) »EP=乙烯丙烯。 本紙張尺度適用中國國家標準(CNS)A4規格( 210X297公釐)-13 - , -----批衣------.訂------^ (請先閱讀背面之注意事項再;烏本頁) 454371 Α7 Β7 經濟部中央樣準局員工消费含泎社印装 五、發明説明(11 ) 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。 此一電纜使叠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。 繞組宜製成多層,同心之電纜繞組,如此可減少線圈 端之交叉數。 槽設計適合於繞組電纜之橫斷面,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 有一開放腰部延伸於定子繞組層之間。 槽之設計配合有關之電纜橫斷面及繞組之階形絕緣體 β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。 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 該設施之外部份保持於地電位。一重要優點爲電場在外半 導體層外之線圈端區內接近於零。由於地電位在外護套上 ,故電場無需控制。此意爲在鐵心中,線圈端區中,或其 1-----^-----參------IT------0 (請先閱讀背面之注意事項再彳為本頁) 本紙張尺度適用中國國家標準(〇«)人4規格(2丨0/297公釐)—14_ 454371 A7 B7 五、發明説明(12 ) 間之過渡區中,不發生電場集中。 絕緣及/或不絕緣之壓緊股,或移置服之混合導致逸 散損失低。 用於磁路繞組中之高壓電纜由具有多股之內心/導線 ,至少二半導體層,構成最外由絕緣層包圍,此轉而由一 外半導體層包圍,具有外直徑在2 0_2 5 Omm,及導 線面積在3 0 — 3 0 0 0mm2。 依據本發明之一特別較宜實施例,此等層之至少之二 ,宜所有三層具有相同之熱膨脹係數。如此達成決定性之 優點,此避免繞組在熱移動中故障,破裂等* 本發明亦係有關製造同步補償設施中所含之電機器之 磁路之方法。該方法導致繞組置於槽中•電纜穿過槽之圓 筒形開口。 自本發明之另一方面,該目的之達成在於*申請專利 範圍第3 5項之前言中所述之該式設施具有此項之特徵部 份所述之特色。 自熱及電之觀點上言之,由於宜爲永久性之該絕緣系 統設計用於3 6 kV以上,故該設施可連接至高壓電力網 路,而無需任何中間之升壓變壓器,從而達成上述之優點 。此一設施宜,但並非定需構製含有申請專利範圍第1 -3 4項中任一項所述之設施特色β 本發明之上述及其他有利實施例說明於後附之申請專 利範圍中。 ------..-----^------ΐτ------線 (請先閱讀背面之注意事項再i^本頁) 本紙張尺度適用中國國家標準(CNS)A4規格(210X297公釐)-15 -
經濟部中央標準局貝工消費合作社印U 454371 A7 ____B7 五、發明説明(I3 ) 較宜實施例之說明 圖1顯示本發明之較宜實施例之同步補償設施之單線 圖,其中,該機器安排直接連接至電力網路之二不同之電 壓位準處,而無任何升壓變壓器β 在圖2之通過定子1之扇區之概要軸向圖中,屬於同 步補償設施中所含之電機器,並顯示該機器之轉子2。定 子1由疊片鐵心依普通方式構成。圖2顯示機器中相當於 一極節距之一扇區。自位於徑向最外部之鐵心之軛部份3 ,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爲髙壓電纜,此可爲 與電力分配所用大致相同之型式,即Ρ Ε X電纜》其一不 同爲消除通常包圍此電力分配電纜之外機械護套及金屬屏 蔽層,故本申請書之電纜僅包含導線及至少一半導體層在 絕緣層之每一面上。如此*易受機器損壞之半導體層裸露 於電纜之表面上。 電纜6概要顯示於圖2 |其中僅繪出每一電纜部份或 線圈邊之導電中心部份。如可見及,_一槽5具有變化之 橫斷面,星有交替之寬部份7及窄部份_8。寬部份_7太致 爲圓形|並包圍電纜,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。此仍由於電纜部份上之電壓在愈近定子1之 徑向內部處愈低。故較瘦之電纜可用於此處•而較粗之電 纜則需用於較外側處。在圖示之例中,使用不同大小之電. 纜,安排於槽5中三對應之區段51 ,52,53中。一 本紙張尺度通用中國國家標準(CNS)A4規格(210X 297公釐)-16 - Ί----------t--------、1T------線 (請先閱讀背面之注意事項再為本頁) 454371 經濟部中夹漂隼馬員Μ消旁合咋^"免 A7 _______B7 五、發明説明(14 ) 輔助電力繞組9安排於最外側。 圖3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。高壓電纜6包含一或更多之導線3 1 ,各包含 若干股3 6,此等一起構成銅(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*各由一部份絕綠體35包圍*然而·四導線3 1之一 上之部份絕緣體3 5可省略。導線3 1之數當然無需限於 四,而是可更多或更少。導線3 1 —起由一第一半導體層 3 2包圍。一絕緣靥3 3 ·例如PEX絕緣體包圍此第一 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 ''高磨電纜#無需包含通常包圍此電力分 配電纜之金屬屏蔽層或外護套。 附圖簡述 在以下同步補償設施之電機器之磁路構造之較宜實施 例之詳細說明,並參考附圖1更詳細說明本發明,在附圖 中 圖1顯示所發明之同步補償設施之單線圖* 圖2顯示本發明之同步補償設施之電機器中之定子之 —扇區之概要軸向端視圖,及 圖3顯示圖2之定子之繞組中所用之電纜之階形剝開 之端視圓* (請先閲讀背面之注意事項再.:舄本頁) 本紙張尺度適用个國國家標準(CNS)A4規格U!〇X2i>7公釐)-I?
Claims (1)
- 經濟部中央橾隼局員工消費合作社印裝 454371 A8 B8 C8 __D8 六、申請專利範圍 1 .—種同步補償設施,包含至少一旋轉電機器,具 有至少一繞組,其特徵爲:在電機器之至少之一中之繞組 包含一絕緣系統,含有至少二半導體層,每層基本上構成 一等電位表面,並包含固體絕緣體置於其間。 2.如申請專利範圍第1項所述之設施,其特徵爲: 該等層之至少之一具有與固體絕緣體大致相同之熱膨脹係 數。 3·如申請專利範圍第1或2項之任一項所述之設施 ,其特徵爲:絕緣體構製預定用於高壓上之一電纜(6 ) ,電纜包含一或更多之電流攜帶導線(3 1),由至少一 半導體層(32,34)包圍,具有固體絕緣體之中間絕 緣層(3 3 )。 4.如申請專利範圍第3項所述之設施,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。 5 .如申請專利範圍第3項所述之設施,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 )。 6 .如申請專利範圍第5項所述之設施,其特徵爲: 該外半導體層(3 4 )連接至選定之電位。 7 .如申請專利範圍第6項所述之設施,其特徵爲: f該定之電位爲地電位。 8.如申請專利範圍第3項所述之設施•其特徵爲: 該等層之至少之二具有大致相同之熱膨脹係數。 本紙張尺度適用中國國家搮準(CNS ) A4規格(2丨0X297公釐) l·--7------^------ΐτ------味 (請先閲讀背面之注意事項再瑣寫本頁) *"18- 454371 Α8 Β8 C8 D8 經濟部中央揉準局員工消費合泎fi印釔 々、申請專利範圍 9. 如申請專利範圍第3項所述之設施,其特徵爲: 電流攜帶導線包含多股,僅少數股並不相互絕緣。 10. 如申請專利範圍第1巧2項之任一項所述之設 施,其特徵爲:繞組構成一電績,,包含一或更多電流攜帶 導線(2),每一導線由若干股構成,一內半導體層(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)。 1 1 .如申請專利範圍第1 0項所述之設施,其特徵 爲:電纜並包含一金靥屏蔽層及一護套。 Λ 12.如申請專利範圍第1蒂飞項之任一項所述之設 施,其特徵爲:磁路安排成旋轉電機器,其定子(3 )在 地電位上冷卻。 13.如申請專利範圍第1<2項之任一項所述之設 施,其特徵爲:電機器之磁路包含一定子繞組*置於一槽 (5)中,該槽(5)設計成若干圓简形開口(7)沿軸 向及徑向在相互外側上延伸,具有大致圓形橫斷面,並由 圓筒形開口間之窄腰部(8 )相隔開》 1 4 .如申請專利範圍第1 3項所述之設施,其特徵 爲:定子繞組之各相爲Υ形連接。 1 5 ·如申請專利範圍第1 4項所述之設施,其特徵 爲:定子繞組之Υ點與地電位絕緣|或經由高歐姆阻抗連 接至地電位•或由突波防避器防止過電壓》 1 6 .如申請專利範圍第1 4項所述之設施,其特徵 良紙張尺度適用t國囷家梯準(CNS ) Α4規格(210Χ297公釐) .------^------iT------^ (請先閲讀背面之注意事項再填寫本頁) -19 - 3 4 5 4 ABCD ^濟部中央標隼局員工消費合作社印裝 六、申請專利範圍 爲:定子繞組之Y點經由第三諧波式之抑制過濾器接地, 此抑制過濾器設計大爲降低或消除電機器中之第三諧波電 流,同時設計在當設施失效時限制電壓及電流β 1 7 .如申請專利範圍第1 6項所述之設施,其特徵 爲:該抑制過濾器由突波防避器防止過電壓’突波防避器 與抑制過濾器並聯。 18.如申請專利範圍第3項所述之設施,其特徵爲 :自高壓側向Υ點觀之,構成定子繞組之電纜(6 )具有 逐漸減薄之絕緣體》 1 9 .如申請專利範圍第1 8項所述之設施’其特徵 爲:絕緣體厚度成階形或連續逐漸減小。 2 0 ·如申請專利範圍第1 3項所述之設施’其特徵 爲:自軛部份向轉子觀之,定子繞組之大致圓筒形槽(5 )之圓形橫斷面(7 )具有逐漸減小之半徑。 2 1 .如申請專利範圍第1 2項所述之設施,其特徵 爲:旋轉部份具有慣性及電動力。 22.如申請專利範圍第21項所述之設施’其特徵 爲:.該機器可由地區電力供應起動。 2 3 .如申請專利範圍第2 2項所述之設施,其特徵 爲:該機器具有二或更多之極》 2 4 .如申請專利範圍第2 3項所述之設施,其特徵 爲:轉子(2).及定子(3)之設計爲’在標稱電壓’標 稱功率因數,及過度激勵操作上,約同時超過定子及轉子 之熱基礎電流限度。 ---:---:----^------1Τ------it (請先閱讀背面之注意事項再填穿本頁) 本紙張尺度適用中國國家標準(CNS )八4規<格{ 210X297公釐) 4 5 4 8 8 8 8 ABCD 經濟部中央標準局員工消費合作社印製 六、申請專利範圍 2 5 _如申請專利範圍第2 3項所述之設施,其特徵 爲:轉子(2 )及定子(3 )之設計爲,在標稱電壓,標 稱功率因數,及過度激勵操作上,先超過熱基礎之定子電 流限度,然後超過熱基礎之轉子電流限度。 2 6,如申請專利範圍第2 4或2 5項之任一項所述 之設施,其特徵爲:此在標稱電壓,檫稱功率因數,及過 度激勵上具有1 0 0%過負荷能量。 27.如申請專利範圍第24或25項所述之設施, 其特徵爲:轉子極爲凸極: 2 8 .如申請專利範圍第2 7項所述之設施,其特徵 爲:正交軸同步電抗遠低於直接軸同步電抗。 2 9 .如申請專利範圔第2 8項所述之設施,其特徴 爲:該機器裝有激勵系統,能作正及負二激勵。 30. 如申請專利範圍第3項所述之設施,其特徵爲 :具有預定用於高壓上之固體絕緣體之電纜(6 )具有一 導線面稹在3 0及3 0 0 0mm2之間,並具有外電纜直 徑在2 0及2 5 0mm之間。 31. 如申請專利範圍第1或2項之任一項所述之設 施·其特徵爲:定子及轉子電路(3 * 2)設有冷卻裝置 ,其中,冷卻劑爲液體及/或氣體形態。 32. 如申請專利範圍第1或2項之任一項所述之設 施,其特徵爲:該機器安排用以連接至若干不同之電壓位 準》 3 3 .如申請專利範圍第1或2項之任一項所述之設 ----------^------------0 (請先W讀背面之注意事項再填”頁) 本紙張尺度適用中國困家榡準(CNS ) A4说格(2I0X297公釐) -21 - 4 5 43 7 1 A8 B8 C8 D8 經濟部t央標率局員工消費合作社印裝 六、申請專利範圍 施’其特徵爲··該機器連接至電力網路,無需升壓變壓器 〇 34.如申請專利範圍第1或2項之任一項所述之設 施’其特徵爲:該機器之繞組安排爲自調整場控制,並無 用以控制該場之輔助裝置· 3 5 .—種同步補償設施,包含至少一旋轉電機器, 具有至少一繞組,其特徵爲,該繞組具有一絕緣系統,有 關其熱及電性質方面,此容許機器中之電壓位準超過 3 6 k V。 3 6 .如申請專利範圔第3 5項所述之同步補償設施 ’其特徵爲:此含有如申請專利範圍第1或2項所述特色 之設施。 3 7 . —種同步補償器形態之旋轉電機器,具有至少 一繞組,其特徵爲:繞組包含一絕緣系統,含有至少二半 導體層,每層基本上構成一等電位表面,具有固體絕緣體 置於其間》 38.如申請專利範圍第37項所述之旋轉電機器, 其特徵爲:此含有申請專利範圍第1或2項之任一項所述 特色之設施中之電機器。 ! I I I I n I . I n n . 緣 (請先閲讀背面之注f項再Μ ί) 各紙張尺度適用中國困家標準(CNS ) A4规格(2I0X297公釐) 22
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SE9602079A SE9602079D0 (sv) | 1996-05-29 | 1996-05-29 | Roterande elektriska maskiner med magnetkrets för hög spänning och ett förfarande för tillverkning av densamma |
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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 |
TW086107963A TW453010B (en) | 1996-05-29 | 1997-06-10 | A turbo-generator plant |
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TW086107968A TW443023B (en) | 1996-05-29 | 1997-06-10 | A hydro-generator plant |
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 |
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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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GB2331861A (en) * | 1997-11-28 | 1999-06-02 | Asea Brown Boveri | Traction motor winding having a conductor with semi-conductor insulation layers |
GB2331858A (en) * | 1997-11-28 | 1999-06-02 | Asea Brown Boveri | A wind power plant |
GB2331860A (en) * | 1997-11-28 | 1999-06-02 | Asea Brown Boveri | High voltage rotating electric machine |
GB2339975A (en) * | 1998-07-27 | 2000-02-09 | Asea Brown Boveri | Rotating electric machine stator |
SE9802910L (sv) * | 1998-08-28 | 2000-02-29 | Abb Ab | Generatoranordning |
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SE513655C2 (sv) * | 1999-05-27 | 2000-10-16 | Abb Ab | Anordning för generering av enfas-växelspänning |
SE9903540D0 (sv) * | 1999-10-01 | 1999-10-01 | Abb Ab | Förfarande, anläggning samt anordning i samband med överföring av elektrisk effekt |
DK199901436A (da) * | 1999-10-07 | 2001-04-08 | Vestas Wind System As | Vindenergianlæg |
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SE9904753L (sv) * | 1999-12-23 | 2001-06-24 | Abb Ab | Användning av HVDC-isolerad ledare i magnetiska flödesbärare |
SE516002C2 (sv) * | 2000-03-01 | 2001-11-05 | Abb Ab | Roterande elektrisk maskin samt förfarande för framställning av en statorlindning |
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SE520332C2 (sv) | 2001-02-09 | 2003-06-24 | Abb Ab | Förfarande för montering av statorlindning |
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FR841351A (fr) | 1938-01-19 | 1939-05-17 | Procédé de fabrication de circuits magnétiques feuilletés ou divisés | |
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FR2222738B1 (zh) | 1973-03-20 | 1976-05-21 | Unelec | |
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AT340523B (de) | 1976-04-27 | 1977-12-27 | Hitzinger & Co Dipl Ing | Burstenloser synchrongenerator |
HU175494B (hu) | 1976-04-29 | 1980-08-28 | Magyar Kabel Muevek | Ehkranirovannyj silovoj kabel' |
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1997
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- 1997-05-27 KR KR1019980709662A patent/KR20000016095A/ko not_active Application Discontinuation
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- 1997-05-27 WO PCT/SE1997/000890 patent/WO1997045912A1/en active IP Right Grant
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- 1997-05-27 CN CN200910128640XA patent/CN101546932B/zh not_active Expired - Lifetime
- 1997-05-27 AT AT97924460T patent/ATE356460T1/de active
- 1997-05-27 UA UA98126431A patent/UA45453C2/uk unknown
- 1997-05-27 DE DE19781791T patent/DE19781791T1/de not_active Withdrawn
- 1997-05-27 CN CN97195026A patent/CN1100377C/zh not_active Expired - Fee Related
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- 1997-05-27 AU AU29881/97A patent/AU2988197A/en not_active Abandoned
- 1997-05-27 PL PL97330200A patent/PL330200A1/xx unknown
- 1997-05-27 YU YU54398A patent/YU54398A/sh unknown
- 1997-05-27 US US08/973,306 patent/US6906447B2/en not_active Expired - Fee Related
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1998
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