2发电机动态试验报告

同步发电机动态试验报告工程名称： 试验日期：2023年12月18日设备编号：2#发电机 温 度：5℃ 湿 度：35%RH托付单位： 执行标准：GB50150-2023一、主设备技术参数：发电机： 型号：QFJ-60-2额定电压：10500V额定功率：60MW额定电流：4124A励磁电流：259.0励磁电流：796A功率因数：0.8编号:202301003制造厂：南京无励磁机，承受静止励磁。二、测量转子及轴承座绝缘和沟通阻抗绝缘电阻绝缘电阻ΜΩ0/分203000转/分28超速后3000转/分20轴承座3000转/分20沟通阻抗转速 电流A 电压V功率WV电流AW0441.9102.91009.356650043685.4707.73041200434.673.6707.962982400434.976.3708.14301.63000433.771.4708.13299.7三、自动励磁调整系统调试〔协作制造厂进展〕。四、机组启动试验：#2发电机短路特性试验：发电机升电流 400A，检查各屏柜的沟通电流回路电流值及相序，无开路，读数正常； 查#1发电机回路无特别；升#1发电机至额定电流4124A,二次额定电流4.12A。测量各CT在各屏柜的电流正常，向量正确，发电机差流接近为0。定子电流实测值IaIbIc发电机短路特性表格：上升 〔励磁定子电流实测值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励磁电压〔V〕015.829.843.857.068.883.694.8108.7121.2136.3140.1励磁电流〔A〕052.2105156204253306357410459509523定子电流发电机短路试验定子电流发电机短路试验45004000350030002500电2023机上升下降1500100050000100200300400500600实测值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励磁电压〔V〕140.1136.1120.1108.194.782.168.256.142.829.315.40励磁电流〔A〕52350645540535330224920115110249.70发变组短路试验：升#14124A,二次额定电流4.12A电流1123A，二次3.75。测量各CT在各屏柜的电流正常，向量正确，发电机差流接近为0，发变组差流接近为0，主变差流接近为0。定子电流实测值IaIbIc—、发变组短路特性表格：上升 〔励磁定子电流实测值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励磁电压〔V〕023.536.950.363.477.190.8103.0115.9128.8138.4141.9励磁电流〔A〕067.3121173222269316374427475527541定子电流发变组短路特性表格：下降定子电流实测值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励磁电压〔V〕141.9137.8128.1115.2102.290.176.162.749.236.222.90励磁电流〔A〕54152347141736530826121716511863.20发变组短路曲线发变组短路曲线4500400035003000流2500电磁2023励上升下降1500100050000100200300励磁电压400500600发变组空载特性特性试验：测录发电机开路特性。上升特性做至 11KV额定值。记录表式见表,上升曲线到1.05倍额定电压既11025V时作耐压试验。测量PT发变组空载特性表格：上升 〔励磁电流1500A/75mv 〕定子电压实测值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励磁电压〔V〕06.71318.223.929.335.140.847.353.463.274.7励磁电流〔A〕018.744.167.190.7116138161186211240266发变组空载特性表格：下降定子电流实测值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励磁电压〔V〕77.963.153.347.140.735.029.123.818.1136.60励磁电流〔A〕26623720818315813511288.965.542.117.50发变组空载曲线发变组空载曲线12023100008000压电端机6000上升下降400020230050100150200250300高厂变短路时，高厂变差流接近为 0，发变组差流接近为0。保持发电机周率和电压额定，用高内阻电压表测量发电机空载轴电压。发电机轴两端电压V应近似相等轴承电压V1 2发电机两端电