2發(fā)電機(jī)動態(tài)試驗(yàn)報告

同步發(fā)電機(jī)動態(tài)試驗(yàn)報告工程名稱： 試驗(yàn)日期：2023年12月18日設(shè)備編號：2#發(fā)電機(jī) 溫 度：5℃ 濕 度：35%RH托付單位： 執(zhí)行標(biāo)準(zhǔn)：GB50150-2023一、主設(shè)備技術(shù)參數(shù)：發(fā)電機(jī)： 型號：QFJ-60-2額定電壓：10500V額定功率：60MW額定電流：4124A勵磁電流：259.0勵磁電流：796A功率因數(shù)：0.8編號:202301003制造廠：南京無勵磁機(jī)，承受靜止勵磁。二、測量轉(zhuǎn)子及軸承座絕緣和溝通阻抗絕緣電阻絕緣電阻ΜΩ0/分203000轉(zhuǎn)/分28超速后3000轉(zhuǎn)/分20軸承座3000轉(zhuǎn)/分20溝通阻抗轉(zhuǎn)速 電流A 電壓V功率WV電流AW0441.9102.91009.356650043685.4707.73041200434.673.6707.962982400434.976.3708.14301.63000433.771.4708.13299.7三、自動勵磁調(diào)整系統(tǒng)調(diào)試〔協(xié)作制造廠進(jìn)展〕。四、機(jī)組啟動試驗(yàn)：#2發(fā)電機(jī)短路特性試驗(yàn)：發(fā)電機(jī)升電流 400A，檢查各屏柜的溝通電流回路電流值及相序，無開路，讀數(shù)正常； 查#1發(fā)電機(jī)回路無特別；升#1發(fā)電機(jī)至額定電流4124A,二次額定電流4.12A。測量各CT在各屏柜的電流正常，向量正確，發(fā)電機(jī)差流接近為0。定子電流實(shí)測值IaIbIc發(fā)電機(jī)短路特性表格：上升 〔勵磁定子電流實(shí)測值IaIbIc0400800120016002023240028003200360040004124(A)00.4010.8011.2021.6021.9942.412.813.223.584.024.11(A)00.4020.8031.2091.6012.012.422.823.233.604.044.13(A)00.4000.8041.2071.6092.012.422.823.233.604.044.13勵磁電壓〔V〕015.829.843.857.068.883.694.8108.7121.2136.3140.1勵磁電流〔A〕052.2105156204253306357410459509523定子電流發(fā)電機(jī)短路試驗(yàn)定子電流發(fā)電機(jī)短路試驗(yàn)45004000350030002500電2023機(jī)上升下降1500100050000100200300400500600實(shí)測值4124400036003200280024002023160012008004000Ia(A)4.114.013.593.212.802.412.001.591.2010.8010.4080Ib(A)4.134.033.613.212.822.422.011.601.2060.8050.4110Ic(A)4.134.023.603.202.822.422.011.601.2030.8060.4100勵磁電壓〔V〕140.1136.1120.1108.194.782.168.256.142.829.315.40勵磁電流〔A〕52350645540535330224920115110249.70發(fā)變組短路試驗(yàn)：升#14124A,二次額定電流4.12A電流1123A，二次3.75。測量各CT在各屏柜的電流正常，向量正確，發(fā)電機(jī)差流接近為0，發(fā)變組差流接近為0，主變差流接近為0。定子電流實(shí)測值IaIbIc—、發(fā)變組短路特性表格：上升 〔勵磁定子電流實(shí)測值IaIbIc0400800120016002023240028003200360040004124(A)00.4030.8061.2041.6042.042.392.803.203.604.034.10(A)00.4020.8081.2021.6032.032.402.813.213.624.024.10(A)00.4020.8071.2001.6022.022.392.803.203.604.004.00勵磁電壓〔V〕023.536.950.363.477.190.8103.0115.9128.8138.4141.9勵磁電流〔A〕067.3121173222269316374427475527541定子電流發(fā)變組短路特性表格：下降定子電流實(shí)測值4124400036003200280024002023160012008004000Ia(A)4.103.993.643.232.842.432.001.5981.2090.8060.4070Ib(A)4.104.013.633.222.832.422.011.6031.2070.8080.4050Ic(A)4.004.003.613.202.812.402.001.6001.2050.8070.4030勵磁電壓〔V〕141.9137.8128.1115.2102.290.176.162.749.236.222.90勵磁電流〔A〕54152347141736530826121716511863.20發(fā)變組短路曲線發(fā)變組短路曲線4500400035003000流2500電磁2023勵上升下降1500100050000100200300勵磁電壓400500600發(fā)變組空載特性特性試驗(yàn)：測錄發(fā)電機(jī)開路特性。上升特性做至 11KV額定值。記錄表式見表,上升曲線到1.05倍額定電壓既11025V時作耐壓試驗(yàn)。測量PT發(fā)變組空載特性表格：上升 〔勵磁電流1500A/75mv 〕定子電壓實(shí)測值01000202330004000500060007000800090001000011025Uab010.2220.0330.0340.150.160.170.180.190.3100.2120.2Ubc010.2120.0730.0240.250.260.270.280.390.4100.3120.3Uca010.2020.0930.0140.050.060.070.080.190.2100.2120.0勵磁電壓〔V〕06.71318.223.929.335.140.847.353.463.274.7勵磁電流〔A〕018.744.167.190.7116138161186211240266發(fā)變組空載特性表格：下降定子電流實(shí)測值11025100009000800070006000500040003000202310000Uab120.2100.390.280.370.360.350.340.030.0420.0410.190Ubc120.3100.490.180.470.160.250.140.130.0320.0610.170Uca120.0100.190.180.370.160.050.040.030.0120.0310.150勵磁電壓〔V〕77.963.153.347.140.735.029.123.818.1136.60勵磁電流〔A〕26623720818315813511288.965.542.117.50發(fā)變組空載曲線發(fā)變組空載曲線12023100008000壓電端機(jī)6000上升下降400020230050100150200250300高廠變短路時，高廠變差流接近為 0，發(fā)變組差流接近為0。保持發(fā)電機(jī)周率和電壓額定，用高內(nèi)阻電壓表測量發(fā)電機(jī)空載軸電壓。發(fā)電機(jī)軸兩端電壓V應(yīng)近似相等軸承電壓V1 2發(fā)電機(jī)兩端電