17120038-1 517120038-5-12

1、JDCF-66W3电压互感器Voltage Transformer17120038-5-12宋辉Song Hui2018-01. Dalian North Instrument Transformer Group Co., Ltd.1、技术条件及标准 Technical conditions and standards：DBH/JLZB342、试验项目 Test items：（环境温度 Ambient temperature =15相对湿度 Relative humidity=20%）2.1 外观检查及出线端子标志检验 Verification of terminal markings： 铭牌

2、、标志、接地栓、接地符号、出线端子符合要求，油标、油阀完好，产品无渗漏现象。 The Namepate, sign, earthing terminal, mark of terminals meet the requirements. The oil level indicator and the oil valve is entireness and in working-order. There is no evidence of leakage.2.2 密封性能试验 Leakage test： 2.3 绕组绝缘电阻测量The winding insulation resistance

3、measured by 2500V megger:2.4 直流电阻测量Measurement of D.C. Resistance： 2.5 介质损耗因数测量Measurement of dielectric dissipation factor： 2.6 短时工频耐受电压试验 Test of short-time power frequency withstand voltage： 加压部位Applied to施加电压Applied voltage (kV)持续时间 Duration (s)结果 Results一次绕组接地端对地 primary winding earthed termina

4、l to earth560通过Passed二次绕组之间及对地 Between secondary windings and to earth360通过Passed测量部位Applied to测量电压Applied voltage (kV)Tan（） Cx(pF) 整体 all the product10236.24支架 supporting structure10514.51一次绕组AN Primary winding3520二次保护绕组2a-2n Secondary protection winding0.0203二次测量绕组1a-1n Secondary measured winding0

5、.0190二次剩余绕组 da-dn Secondary Residual Winding0.0192一次对二次绕组及地 primary windings to secondary windings and earth2500M二次绕组之间及对地 Between secondary windings and to earth1500M施加压力（MPa） Applied pressure试验时间（h）Duration剩余压力（MPa）Residual pressure结论 Results无膨胀器 Without expander0.160.09无渗漏 No leakage试品型号Type of t

6、esting productJDCF-66W3出厂序号 Serial No.17120038-5-12额定变比Rated transformation ratio660.10.1 / 0.1kV3333级次组合Accuracy class0.2/0.5/3P额定输出Rated output50/100/300 VA功率因数Power factor（cos） 0.8额定绝缘水平Rated insulation level72.5/160/350 kV额定频率Rated frequency50 Hz设备种类 Operation condition户外 outdoor试验标准 Test standa

7、rdsGB/T 20840.1-2010GB/T 20840.3-2013. Dalian North Instrument Transformer Group Co., Ltd.2.7 感应耐压试验 Induced withstand voltage test： 2.8空载试验 Measurement of excitation：2.9局部放电测量Partial discharge measurement（B）： 2.10变压器油性能试验Transformer oil Test：3.结论：Conclusion:本产品通过上述试验，其结果均符合 GB/T 20840.1-2010格，准许出厂。

8、 GB/T 20840.3-2013技术条件，产品合The product passed all the tests above, the test result conform to the technical specification and standardGB/T 20840.1-2010GB/T 20840.3-2013 The product is qualified and permitted to leave factory.试验Tested by： 滕人龙 Teng Ren Long校核 Checked by：宋 辉 Song Hui日期 Dates of tests：20

9、18-01-18变 压 器 油 耐 压 (kV) Withstand voltage of transformer oil介质损耗因数(tan) Dielectric dissipation factor (t=90U=2kV)含水量(ppm) Liquid water content57.80.00179气相色谱分析Gas chromatography (ppm)COCO2CH4C2H6C2H4C2H2总烃 Total hydrocarbonH20.68177.180.360000.360.18施加电压 Applied Voltage (kV)50.2放电量 Discharge level

10、(pC)5施加电压 Applied Voltage (kV)87放电量 Discharge level (pC)10二次施加电压 Applied secondary voltage (V)57.7109.6励磁电流 Excitation current(A)0.8710.2空载损耗 No-load loss (W)42197施加电压端子Applied voltage terminal施加电压Applied voltage (V)频率Frequency (Hz)持续时间Duration (s)A 端感应电压 Induced voltage on A terminal (kV)结果 Results

11、1a-1n 24215040160通过Passed产品编号Sr. No. 额定电压比 Rated Voltage Ratio 准 确 级 次Accuracy Class 额定负荷 Rated Burden 17120038-5-12 产品型号 TypeJDCF-66W366/ :0.1/ :0.1/ :0.1/3KV 条码 BarCode 0.2/0.5/3P 50/100/300 VA1. 误差：Error3结论 Conclusion本产品通过上述试验，其结果均符合GB/T20840.1-2010件，产品合格，准许出厂。GB/T20840.3-2013标准及技术条The product pa

12、ssed all the specification and standard qualified and permitted totests above, the test result conform to the technicalGB/T20840.1-2010leave factory.GB/T20840.3-2013 The product is滕人龙试验Tested by:宋 辉校核Checked by:准确级次Accuracry Class 出线端子Outlet Terminal 额定二次电压Rated Secondary Voltage Un(%) 二次负荷(VA) Secondary Burden f（%） 二次负荷(VA) Secondary Burden f（%） 1a-1n 2a-2n da-dn 1a-1n 2a-2n da-dn 0.2 1a-1n 0.1/ 80 50 100 / -0.091 -2.1 2.5 / / +0.06 +0 100 -0.095 -2.1 +0.056 +0 120 -0.099 -1.7 +0.053 +0 / / / / / 0.5 2a-2n 0.1/ 80 50 100 / -0.14 -2.1 / 2.5 / +0.057