产品试验报告剖析

中华人民共和国西安西变中特电气有限责任公司XIAN XIBIAN ZHONGTE ELECTRIC CO., LTD.THE PEOPLES REPUBLIC OF CHINAREPORT NO. ZT1710A1828.1SBSERIAL NO. TYPE SZ11-10000/35产品试验报告TEST REPORT OF PRODUCT西安西变中特电气有限责任公司产品试验报告XIAN XIBIAN ZHONGTE ELECTRIC CO., LTD.TEST REPORT产品工号：Serial No.页数： 1/9Page目录CONTENTS 1 技术参数 2 Specification 2 保证值、允差及测量值 3 Guaranteed value、tolerance and measured value 3 试验结论 3 The test conclusion 4 电压比测量及联结组标号检定 4 Voltage ratio test and check of connection symbol 5 绕组电阻测量 4 Measurement of winding resistance 6 绝缘电阻及介损测量 5 Measurement of insulation resistance and tan 7 油箱及储油柜密封试验 5 Oil tank and conservator hermetic test 8 外施耐压试验 5 Separate source voltage withstand test 9 空载损耗及空载电流的测量 6 Measurement of no-load loss and no-load current 10 空载电流谐波分析 7 Harmonic analyze of no-load current 11 负载损耗及短路阻抗的测量 7 Measurement of load loss and impedance12 零序阻抗测量 7Measurement of zero-sequence impedance13 感应耐压试验 8 Induced over voltage withstand test 14 有载分接开关试验 8 On-load tap changer test15 绕组频率响应特性曲线 8Measurement of transformer winding frequency-response16 有载开关过渡电阻及波形 8 Transition resistances and oscillogram of the on-load tap-changer 17 绝缘油试验 9Insulation oil test西安西变中特电气有限责任公司产品试验报告XIAN XIBIAN ZHONGTE ELECTRIC CO., LTD.TEST REPORT产品工号：Serial No.页数： 2/9Page 1. 技术参数 Specification 产品工号 技术协议 JX Serial No. Agreement 产品型式 SZ11-10000/35 频 率 50Hz Type Frequency 联结组标号 YNd11 冷却方式 ONAN Connection symbol Type of cooling 相 数 3 绕组温升 65 K Number of phase Temp. Rise of winding 油面温升 55K 技术规范 ZT1710A1828.1 Temp. Rise of top oil Technical regulation 绝缘水平 h.v. 线路端子 LI/AC 200/85 kVInsulation level Line terminal h.v. 中性点端子 LI/AC 200/85 kV Neutral terminal l.v. 线路端子 LI/AC 75/35 kV Line terminal 绕组额定值 Rating value of winding绕组Windingh.v.l.v.容量(MVA)Rated power1010电压(kV)Voltage3510.5分接()Tapping32.5-电流(A)Current165.0549.9西安西变中特电气有限责任公司产品试验报告XIAN XIBIAN ZHONGTE ELECTRIC CO., LTD.TEST REPORT产品工号：Serial No.页数： 3/9Page 2. 保证值 实测值 允差 Guaranteed value Measured value Tolerance项 目Item保证值Guaranteed value允差()Tolerance实测值Measured value1空载损耗(kW)No load loss10+09.322空载电流()No load current0.6+00.183负载损耗(kW)Load loss47+046.214总损耗(kW)Total loss57+055.535阻抗电压()Impedance voltage7.557.383. 试验结论The test conclusion本产品依据中华人民共和国标准(GB)、西安西变中特电气有限责任公司技术条件以及用户技术协议进行试验。 试验结果符合以上标准、技术条件、技术协议，试验合格。 Tests are performed in accordance with THE PEOPLES REPUBLIC OF CHINA NATIONALS STANDARD(GB)、the technical requirements of the client and. XIAN XIBIAN ZHONGTE ELECTRIC CO., LTD specification. The test results meet or exceed all requirements. 试 验 杨坤、桂晓伟TEST BY编 制 刘海伟 WRITTEN BY 校 核 CHECKED BY 审 查 CERTIFIED BY 日 期 2015-12-17 DATE 西安西变中特电气有限责任公司XIAN XIBIAN ZHONGTE ELECTRIC CO., LTD.西安西变中特电气有限责任公司产品试验报告XIAN XIBIAN ZHONGTE ELECTRIC CO., LTD.TEST REPORT产品工号：Serial No.页数： 4/9Page 4. 电压比测量及联结组标号检定Voltage ratio test and check of connection symbol高压对低压 联结组标号：YNd11h.v./ l.v. Connection symbol分接Tap电压比计算值Calculator ratio电压比实测偏差()Measured ratio error标准允许偏差ToleranceAB/abBC/bcCA/ca13.583-0.08-0.09-0.08额定档0.5% Rated tap23.500-0.01-0.02-0.0133.4170.090.090.0943.333-0.05-0.05-0.0453.2500.050.050.0563.1670.160.160.1673.0830.01-0.010.01 5. 绕组电阻测量 单 位：m 油 温： 18.9 Measurement of winding resistance Unit Oil temperature高压绕组h.v. winding低压绕组l.v. winding分接TapOAOBOCabbcca1252.3253.6254.435.5835.6035.662243.4244.7245.2电阻不平衡率：线1 相2 Unbalance ratio among the three phases resistance. 结果: 合格 Results OK3234.5235.7236.44223.0223.7223.95233.6234.8235.56242.4243.7244.47252.3253.6254.3附套管编号 No. of bushingABCOabc西安西变中特电气有限责任公司产品试验报告XIAN XIBIAN ZHONGTE ELECTRIC CO., LTD.TEST REPORT产品工号：Serial No.页数： 5/9Page 6. 绝缘电阻及介损测量 油 温： 18.9 湿度：14% Measurement of insulation resistance and tan Oil temp. R.H.被试绕组Measured windingR15sec(M)R60sec(M)R60sec/ R15sectan()Cx(nF)高压对低压及地h.v./ l.v. and ground10000140001.400.1925.700低压对高压及地l.v./ h.v. and ground8000110001.380.2269.381高压及低压对地h.v. and l.v./ground9000120001.330.2356.356高压对低压h.v. /l.v.-0.2074.357 绝缘电阻测试用 5000V 兆欧表 Measurement of insulation resistance with DC5000V megger 介质损耗因素 (tan) 在 10kV AC 电压下用2618H电桥测试。 Measurement of tan with 2618H bridge under AC 10kV 7. 油箱及储油柜密封试验 Oil tank and conservator hermetic test变压器油箱及储油柜注满油,在油箱及储油柜的最高油面施加 30 kPa 的静压力,试验时间持续 24 小时。油箱及储油柜不得有渗漏。试验结果： 合格 The transformer tank and conservator oil-filled which withstand pressure 30 kPa for 24 hours, during the time no oil leakage. The test result is OK. 8. 外施耐压试验 Separate source voltage withstand test 在被试绕组对地之间施加50Hz 交流电源,持续时间60秒。Apply AC power voltage between tested winding and the ground, 60 seconds ,other windings grounded.被试绕组Tested winding试验电压(kV)Testing voltage频率(Hz)Frequency持续时间(s)Duration试验结果Results高压对低压及地h.v. winding855060通 过OK低压对高压及地l.v. winding35西安西变中特电气有限责任公司产品试验报告XIAN XIBIAN ZHONGTE ELECTRIC CO., LTD.TEST REPORT产品工号：Serial No.页数： 6/9Page 9. 空载损耗及空载电流的测量 频 率： 50 Hz Measurement of no-load loss and no-load current Frequency 变压器以额定频率在低压侧三相励磁,其他绕组开路。 The transformers L.V. side is energized with rated frequency, others are free.励磁电压(kV)Excited voltage励磁电流(A)Exciting current功 率(kW)Loss空载损耗(kW)No-load loss空载电流()No-loadcurrentU/Ur(%)平均值Average value有效值r.m.sIaIbIc3.60.390630.391170.02650.02660.03700.01505-101.05391.05480.05790.05920.08190.09755-505.25905.26410.22890.23340.32242.1133-707.36027.36780.32490.30810.43814.0393-909.46619.48000.57890.42880.67947.0778-10010.50010.5221.05460.81711.13699.33489.320.1810511.02611.0591.60351.31861.753911.111-11011.55011.6283.1812.78063.592014.245-11512.04612.34011.72510.93112.48820.283-感应前空载10010.50010.5461.04740.83051.12279.35799.320.18西安西变中特电气有限责任公司产品试验报告XIAN XIBIAN ZHONGTE ELECTRIC CO., LTD.TEST REPORT产品工号：Serial No.页数： 7/9Page10. 空载电流谐波分析 Harmonic analyze of no-load current励磁电压1.0额定电压Energized with 1.0 rated voltage次数SeriesI1=1.007A(%H01)I2=0.7452A(%H01)I3=1.077A(%H01)次数SeriesI1=1.007A(%H01)I2=0.7452A(%H01)I3=1.077A(%H01)110010010060.2801.2830.64922.3662.3021.288711.56717.45814.208311.26814.9536.28180.0840.2200.12741.3271.4850.75392.3902.2001.055526.53438.86630.304- 11. 负载损耗及短路阻抗的测量 频 率： 50Hz Measurement of load loss and impedance Frequency接线方式Connection测试值 油温：18.9 Measured value 按额定容量折至75Corrected value at 75加压绕组Applied短路绕组Shorted分接Tap电压(kV)Voltage电流(A)Current功率(kW)Loss负载损耗(kW)Load loss阻抗电压()Impedance volt高压h.v.低压l.v.11.508880.6710.97546.187.6341.418790.6711.93846.217.380.5.9890.0509-71.3211100.6014.41653.297.2412. 零序阻抗测量 Measurement of zero-sequence impedance加压绕组Appliedwinding加压方式Mode ofapplied测量值Measured value电压(V)Voltage电流(A)Current零序阻抗(/相)Z.S. impedance(/phase)h.v.(第4档)OABC105.9340.1697.91147.1155.3547.97188.2570.4858.01西安西变中特电气有限责任公司产品试验报告XIAN XIBIAN ZHONGTE ELECTRIC CO., LTD.TEST REPORT产品工号：Serial No.页数： 8/9Page13. 感应耐压试验 Induced over voltage withstand test 使用200Hz 电源, 三相进行, 持续时间30秒。 The induced over voltage withstand test will be carried out with 200Hz power for 30 seconds on three phases.施加电压(kV)Exciting voltage低压侧(l.v.)线端感应电压(kV)Induced terminal voltage感应倍数Induced times分接位置Tap position217024 试验结果: 合格 Results Satisfactory 14. 有载分接开关试验 On-load tap changer test 14.1有载分接开关操作试验Operation test of on-load tap changer 1）变压器不励磁，分接开关完成8个操作循环。2）变压器不励磁，在85的额定操作电压下完成一个操作循环。3）变压器在额定频率和额定电压下，空载励磁时，完成一个操作循环。4）将一个绕组短路，并在负载试验时，在粗调选择器或极性选择器操作位置处，或 在中间分接每一侧的两个分接范围内，共完成10次分接变换操作。1） With the transformer un-energized, eight complete cycles of operation. 2) With the transformer un-energized, and with the auxiliary voltage reduced to 85 of itsrated value, one complete cycle of operation. 3) With the transformer energized at rated voltage and frequency at no-load, one completedcycle of operation. 4) With one winding short-circuited and on measurement of load loss, 10 tap-change operationacross the range of two steps on each side from where a coarse or reversing changeover selector operates, or otherwise from the middle tapping.14.2辅助线路绝缘试验 Auxiliary circuits insulation test 完成装配后, 对分接开关辅助线路进行一分钟工频耐压试验, 试验电压2kV。 After the tap-changer is assembled on the transformer，a power frequency test voltage applied to the auxiliary circuits is 2kV rms. For one minute. 试验结果： 合格 Results OK15. 绕组频率响应特性曲线（见附页A1A2）Measurement of transformer winding frequency-response （Appendix A1A2）16. 有载开关过渡电阻及波形（见附页B1B2） Transition resistances and oscillogram of the on-load