ALSTOM WT-E 發(fā)電機(jī)介紹

1、Two-Pole Turbogenerators Type WT-EKarl-Heinz SoykDate of last changeReference/Name of Presentation/SN2Agenda 議程lALSTOM Generator Product portfolio發(fā)電機(jī)產(chǎn)品介紹lSteam Turbine Frame Standard汽輪機(jī)結(jié)構(gòu)型式lTwo pole Turbogenerator WT-E 兩極汽輪發(fā)電機(jī) Stator design & cooling 定子設(shè)計及冷卻 Stator main components 定子主要構(gòu)成 Rotor d

2、esign & cooling 轉(zhuǎn)子設(shè)計及冷卻 Rotor main components 轉(zhuǎn)子主要構(gòu)成 Test & Transport 試驗(yàn)和運(yùn)輸 Technical Data 50WT25E-158 (Lippendorf, Germany)技術(shù)數(shù)據(jù) Measured values 試驗(yàn)值lReferences 參考數(shù)據(jù)Date of last changeReference/Name of Presentation/SN3Turbogenerator Product Lines汽輪發(fā)電機(jī)生產(chǎn)線50040030020010040MWTopGas全氫冷全氫冷(H2)Larg

3、e 4- pole大型大型4極極(H2/H2O)Large 2-pole大型大型2極極(H2/H2O)TopAir全空冷全空冷(air)PowerformerSmall air- cooled小型空冷小型空冷(air)10002000Steam Turbine Frame Concept汽輪機(jī)結(jié)構(gòu)型式 100 200 400 600 1000Leistung (MW)50100150200250pFD (bar)STF25STF60STF20CSTF15STF35Date of last changeReference/Name of Presentation/SN5Generator Typ

4、e WT-E汽輪發(fā)電機(jī)外形圖汽輪發(fā)電機(jī)外形圖Date of last changeReference/Name of Presentation/SN6Generator WT-ECross section WT-E發(fā)電機(jī)剖視圖驅(qū)動端非驅(qū)動端Date of last changeReference/Name of Presentation/SN7+Water Cooled Generators 水冷發(fā)電機(jī)Top view俯視圖俯視圖Side view側(cè)視圖側(cè)視圖Hydrogen Circuit氫氣回路氫氣回路De-ionized water circuit定冷定冷水回路水回路 PSUE/GenP

5、re01/5.1.3.2Generator WT-EGenerator Housing 發(fā)電機(jī)外殼 水箱冷器外氫罩人孔端罩軸封出線罩氫冷器外罩機(jī)座Date of last changeReference/Name of Presentation/SN9Generator WT-E Stator middle section Lippendorf 定子中部Date of last changeReference/Name of Presentation/SN10Generator WT-E Stator core section 定子鐵心剖面Date of last changeReferenc

6、e/Name of Presentation/SN11Leaf Spring Suspended Core 彈性懸掛鐵心For large Hydrogen & water cooled generators 適用于大型氫氣和水冷的發(fā)電機(jī)適用于大型氫氣和水冷的發(fā)電機(jī)Date of last changeReference/Name of Presentation/SN124.1.3.2.Stator Core Assembly 定子鐵心裝配(For large Hydrogen & water cooled generators) 適用于大型氫氣和水冷卻發(fā)電機(jī)適用于大型氫氣和水

7、冷卻發(fā)電機(jī)Date of last changeReference/Name of Presentation/SN13Leaf Spring Suspension彈性懸掛結(jié)構(gòu)Date of last changeReference/Name of Presentation/SN14Copper Cooling: Summary 銅線冷卻Stator bars:定子線棒定子線棒Rotor winding:轉(zhuǎn)子線圈轉(zhuǎn)子線圈WT-EDate of last changeReference/Name of Presentation/SN15Stator bar:qMica insulation 云母絕

8、緣云母絕緣 qGlass fiber reinforced增強(qiáng)的玻璃纖維增強(qiáng)的玻璃纖維qSS hollow conductors不銹鋼空心導(dǎo)線不銹鋼空心導(dǎo)線MICADUR Insulation System 絕緣系統(tǒng)RNo copper oxidation 銅線不氧化銅線不氧化 No plugging無堵無堵塞塞Higher water velocity高水速高水速 Heat transfer up 提高熱傳導(dǎo)提高熱傳導(dǎo) Experience with Stainless Steel Hollow conductors since 1973 1973年開始采用不銹鋼空心導(dǎo)線Date of la

9、st changeReference/Name of Presentation/SN16Generator WT-E Double Roebelbar with clamps and waterchamber (Lippendorf) 帶帶 夾子和水室的雙羅貝爾線棒夾子和水室的雙羅貝爾線棒Date of last changeReference/Name of Presentation/SN17Generator WT-E Stator end winding support 定子繞組端部支撐定子繞組端部支撐彈簧片支架壓墊和楔塊環(huán)氧環(huán)壓緊構(gòu)件Date of last changeReferen

10、ce/Name of Presentation/SN18Easy Re-Tightening 易于重新壓緊 Eliminates lengthy shut-downs縮短停機(jī)時間縮短停機(jī)時間Simply turnspindles tore-establishpressure onend-windings簡單旋轉(zhuǎn)螺桿簡單旋轉(zhuǎn)螺桿重新在端部繞重新在端部繞組施加壓力組施加壓力Date of last changeReference/Name of Presentation/SN19Generator WT-EStator endwinding with inner support ring (Lip

11、pendorf)裝有內(nèi)端箍的端部繞組 Date of last changeReference/Name of Presentation/SN20Generator WT-E View into the stator (Lippendorf)定子端部視圖Date of last changeReference/Name of Presentation/SN21Generator WT-ERotor Cooling 轉(zhuǎn)子繞組轉(zhuǎn)子繞組H2 inlet進(jìn)口H2 outlet endwinding cooling gas端部繞組冷卻氣體（ H2）出口H2 outlet in rotor middle轉(zhuǎn)

12、子中部出風(fēng)孔retaining ring護(hù)環(huán)Date of last changeReference/Name of Presentation/SN22Sub-Slots Extend Range 副槽通風(fēng)示意圖副槽通風(fēng)示意圖AABBABDate of last changeReference/Name of Presentation/SN23Generator WT-E Rotor cooling with subslot副槽冷卻的轉(zhuǎn)子1 Rotor轉(zhuǎn)子2 Stator定子3 Airgap氣隙4 Radial coolgas slot放射狀冷卻氣體通道5 Subslot副槽6 airgap

13、buffel氣隙擋板I: cooling zone without sub slot 無副槽冷卻區(qū)域無副槽冷卻區(qū)域II: cooling zone with sub slot 副槽冷卻區(qū)域副槽冷卻區(qū)域Date of last changeReference/Name of Presentation/SN24Generator WT-E Rotorbody machined (Lippendorf)加工后的轉(zhuǎn)子本體Rotorslots&Damper winding in pole zone轉(zhuǎn)子槽和磁極上的阻尼繞組槽轉(zhuǎn)子槽和磁極上的阻尼繞組槽Date of last changeRefer

14、ence/Name of Presentation/SN25Feature組成部分Benefit優(yōu)點(diǎn)Damper cage阻尼籠- Tolerates phase-unbalance承受不平衡負(fù)載- Prevents local overheating避免局部過熱Field winding 磁場繞組- Even cooling reduces differential expansion均勻冷卻減小脹差Tooth齒- Withstands centrifugal forces承受離心力Firm wedging槽楔- Holds windings tightly固緊繞組Rotor Winding

15、 Slot system轉(zhuǎn)子槽部系統(tǒng)Date of last changeReference/Name of Presentation/SN26Hollow Conductor Rotor Windings轉(zhuǎn)子繞組空心導(dǎo)體 Only one conductor per turn 每匝僅一個導(dǎo)體每匝僅一個導(dǎo)體Single 單孔單孔 Twin 雙孔雙孔 “Rivetted” key-way鉚接鍵槽鉚接鍵槽 cheaper tooling工具便宜工具便宜E-Profile WT-ENo friction between barsNo copper dusting線棒間無磨擦，無銅線棒間無磨擦，無銅粉

16、末粉末Date of last changeReference/Name of Presentation/SN27Generator WT-E Rotorcoils with cooling gas outlet zone in the middle (Lippendorf) 冷卻氣體出風(fēng)區(qū)在中部的轉(zhuǎn)子線圈Date of last changeReference/Name of Presentation/SN28Slot wedges槽楔槽楔 Silver contacts接觸面鍍銀接觸面鍍銀 Hard copper segments硬銅片硬銅片 No hot-spots in iron pa

17、rts (teeth, retaining rings) Allows unbalanced load and short circuits在鋼制在鋼制零件（齒、護(hù)環(huán)）中無熱點(diǎn)，允許不平衡負(fù)載和短路零件（齒、護(hù)環(huán)）中無熱點(diǎn)，允許不平衡負(fù)載和短路Damper Cage 阻尼籠 PSUE/GenPre01/5.4.6.2Date of last changeReference/Name of Presentation/SN29Rotor End Winding & Retaining Ring 轉(zhuǎn)子端部繞組和護(hù)環(huán)Damper cage segment 阻尼阻尼片片Date of last

18、changeReference/Name of Presentation/SN30Generator WT-ERotor-Endwinding (Lippendorf)轉(zhuǎn)子端部繞組Date of last changeReference/Name of Presentation/SN31Generator WT25E Insertion of Rotor in Testfield 試驗(yàn)現(xiàn)場插入轉(zhuǎn)子Date of last changeReference/Name of Presentation/SN32Generator WT25E Testfield 試驗(yàn)現(xiàn)場Date of last cha

19、ngeReference/Name of Presentation/SN33Generator WT-ESeal oil unit Lippendorf 密封油系統(tǒng)Date of last changeReference/Name of Presentation/SN34Generator WT-ESeal oil unit Lippendorf 密封油系統(tǒng)Date of last changeReference/Name of Presentation/SN35Generator WT25E LippendorfLosses at nominal load - measured values

20、額定負(fù)載時的損耗-測量值Rotor copper轉(zhuǎn)子銅耗轉(zhuǎn)子銅耗39%Iron 鐵耗鐵耗8%Additional 附加附加損耗損耗11%Ventilation &Friction 通風(fēng)摩通風(fēng)摩擦損耗擦損耗24%Stator copper定子銅耗定子銅耗17%Excitation 勵磁勵磁損耗損耗1%Date of last changeReference/Name of Presentation/SN36Generator 50WT25E-158 Technical Data Generator Lippendorf電機(jī)技術(shù)數(shù)據(jù)lApparent power視在功率1.167 MVAl

21、Active power 有功容量 933,6 MWlVoltage電壓 27 kVlCurrent電流 27.954 Alcos 功率因數(shù) 0,8lFrequency頻率 50 HzlSpeed轉(zhuǎn)速 3000 min -1lExcitation勵磁 static（靜態(tài)） Voltage 電壓 757 V Current電流 6000 AlH2 pressure 氫氣壓力 6 barlInsolation class 絕緣等級 F/BlNorms 標(biāo)準(zhǔn) IEC 34Date of last changeReference/Name of Presentation/SN37Generator 5

22、0WT25E-158Results Testrun Generator Lippendorf 發(fā)電機(jī)試車結(jié)果lEfficiency at cos = 0,8 功率因數(shù)為0.8時的效率4/4 Load:98,88 % 4/4負(fù)荷:98,88 % 3/4 Load:98,89 % 3/4負(fù)荷:98,89 %2/4 Load:98,75 % 2/4負(fù)荷:98,75 %1/4 Load:98,05 % 1/4負(fù)荷:98,05 %lReactances at 3-Phase Short circuit 三相短路時電抗Transiente direct axis reactance (nonsattura

23、ted) 瞬變直軸電抗 （不飽合） xd: 0,32 p.u. Subtransient direct axis reactance (nonsatturated)超瞬變直軸電 （不飽合） xd: 0,255 p.u.lTime constant at 3-Phase sudden short circuit 三相突然短路時時間常數(shù)Transient 瞬變Td: 0,95 s Subtransient 超瞬變Td: 0,018 sArmature 電樞Ta: 0,40 sDate of last changeReference/Name of Presentation/SN38Generato

24、r 50WT25E-158Transport from works 廠內(nèi)運(yùn)輸Date of last changeReference/Name of Presentation/SN39Generator 50WT25E-158Lifting in Powerplant Lippendorf 在電廠起吊400 tDate of last changeReference/Name of Presentation/SN40Generator 50WT25E-158Transport in Powerplant Lippendorf在電廠運(yùn)輸Date of last changeReference/N

25、ame of Presentation/SN41Lippendorf Power Plant 電廠Date of last changeReference/Name of Presentation/SN42Main Features of WT-E Type Two-pole Turbogenerators WT-E 型兩極汽輪發(fā)電機(jī)的主要特點(diǎn) lStainless steel hollow conductor in water cooled stator bars水冷定子線棒中有不銹鋼空心導(dǎo)體lRe-tightenable stator end-winding support system可重新拉緊的定子端部繞組支撐系統(tǒng)lLaminated press plate to reduce losses in stator end region采用層壓的壓板以減少定子端部損耗lOne radial ventilator on non drive end side for easy erection為安裝簡便，在非驅(qū)動端有一個徑向通風(fēng)裝置lTriple circuit shaft sealing reduced hydrogen losses三流環(huán)軸封減少氫氣損耗lFre