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1、 LB7-66W3電流互感器CURRENT TRANSFORMER17120038-4-6宋輝Song Hui2018-01 DALIAN NORTH INSTRUMENT TRANSFORMER GROUP CO., LTD.1、技術(shù)條件及標(biāo)準(zhǔn) Technical conditions and standards:DBH/JLZB352、試驗(yàn)項(xiàng)目 Test items:(環(huán)境溫度 Ambient temperature =10相對(duì)濕度 Relative humidity=20%)2.1 外觀檢查及出線端子標(biāo)志檢驗(yàn) Verification of terminal markings: 銘牌、標(biāo)

2、志、接地栓、接地符號(hào)、出線端子符合要求,油標(biāo)、油閥完好,產(chǎn)品無(wú)滲漏現(xiàn)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 密封性能試驗(yàn) Leakage test:2.3 繞組絕緣電阻測(cè)量 Measurement of insulation resistance

3、:2.4 工頻耐壓試驗(yàn)Power frequency withstand voltage tests: 2.5 局部放電測(cè)量Partial discharge measurement: 加壓部位 Applied toU(kV) 持續(xù)時(shí)間(min) Duration局部放電量(pC) Partial discharge level一次對(duì)二次繞組及地 Primary to secondary windings and earth875750.253加壓部位 Applied toU(kV) 持續(xù)時(shí)間(s) Duration結(jié)論 Results一次對(duì)二次繞組及地 Primary to secondar

4、y windings and earth16060通過(guò) Passed一次繞組段間 Between sections of primary windings360通過(guò) Passed二次繞組之間及對(duì)地 Between secondary windings and to earth360通過(guò) Passed“N”對(duì)二次繞組及地 “ N” to secondary windings and earth560通過(guò) Passed測(cè)量部位Applied to絕緣電阻(M) Insulation resistance結(jié)論 Results一次對(duì)二次繞組及地 Primary to secondary winding

5、s and earth3000通過(guò) Passed一次繞組段間 Between sections of primary windings1500通過(guò) Passed二次繞組之間及對(duì)地 Between secondary windings and to earth1500通過(guò) Passed“N”對(duì)二次繞組及地 “ N” to secondary windings and earth1500通過(guò) Passed施加壓力(MPa) Applied pressure試驗(yàn)時(shí)間(h)Duration剩余壓力(MPa)Residual pressure結(jié)論 Results無(wú)膨脹器 Without expander

6、0.160.09無(wú)滲漏 No leakage型號(hào) Type出廠序號(hào) Serial No.fr(Hz) Um/AC/BIL(kV) LB7-66W317120038-4-65072.5/160/350額定變比Rated transformation ratio275/5A準(zhǔn)確級(jí)次Accuracy class0.5/10P20/10P20額定輸出 Sr(VA) 30/30/30功率因數(shù) cos 0.8標(biāo)準(zhǔn)Test standardsGB/T 20840.1-2010GB/T 20840.2-2014 DALIAN NORTH INSTRUMENT TRANSFORMER GROUP CO., LT

7、D.2.6 電容量和介質(zhì)損耗因數(shù)測(cè)量 Measurement of capacitance and dielectric dissipation factor: 2.7 匝間過(guò)電壓試驗(yàn) Inter-turn overvoltage test:2.8 變壓器油性能試驗(yàn)Transformer oil test:2.9 繞組電阻測(cè)定Determination of the winding resistance:3、結(jié)論 Conclusion:本產(chǎn)品通過(guò)上述試驗(yàn),其結(jié)果均符合 GB/T 20840.1-2010產(chǎn)品合格,準(zhǔn)許出廠。 GB/T 20840.2-2014 及技術(shù)條件, The produc

8、t passed all the tests above, the test result conform to the technical specification andstandard GB/T 20840.1-2010factory.GB/T 20840.2-2014The product is qualified and permitted to leave試驗(yàn)Tested by: 校核Checked by: 日期Dates of tests: 呂 強(qiáng) Lv Qiang 宋 輝 Song Hui 2018-01-19二次繞組 Secondary winding電阻() Resist

9、ance一次繞組 Primary winding電阻(m) Resistance1S1-1S20.107P1-P21.6882S1-2S20.1653S1-3S20.166耐壓(kV) Withstand voltage介質(zhì)損耗因數(shù) tan Dielectric dissipation factor t=90 U=2kV含水量(ppm) Water content57.50.00227COCO2CH4C2H6C2H4C2H2總烴 Total hydrocarbonH21.23409.780.910000.910.64二次開(kāi)路電壓峰值(V) Voltage peak for secondary

10、open circuit試驗(yàn)時(shí)間(s) Duration結(jié)論 Results450060通過(guò) Passed施加電壓(kV) Applied voltage1042末屏對(duì)地(kV) End screen:3Tan(%) 0.2710.2712Capacitance(pF)686.511686.557615.5附件 電流互感器誤差試驗(yàn)報(bào)告ErrorTestReport產(chǎn)品編號(hào) Sr. No.17120038-4-6產(chǎn)品型號(hào) TypeLB7-66W3串聯(lián) SerialConnection電流比 Ratio275/5A并聯(lián) ParallelConnection準(zhǔn)確級(jí) Accuracy class0.5

11、/10P20/10P20額定負(fù)荷 Rated burden30/30/301. 計(jì)量級(jí)誤差:Errorof MeasuringWinding2.保護(hù)級(jí)誤差:Error of ProtectiveWinding3.伏安特性:V-Ampere Characteristic結(jié)論:Conclusion:本產(chǎn)品通過(guò)上述試驗(yàn),其結(jié)果均符合 GB/T件,產(chǎn)品合格,準(zhǔn)許出廠。 20840.1-2010GB/T 20840.2-2014,及技術(shù)條The product passed all the specification and standard qualified and permitted totest

12、s above, the test resultconform to the technicalGB/T 20840.1-2010 GB/T 20840.2-2014,The product is leave factory. 試驗(yàn)Tested by: 劉樹(shù)朋 Liu Shu Peng校核Checked by:宋 輝 Song Hui繞組Winding 試驗(yàn)數(shù)據(jù) Results of Test 2S1-2S2 電流Current(A) 0.1080.160.4990.6771.13電壓Voltage(V) 115134.7150.7153.5156.93S1-3S2 電流Current(A)

13、0.1080.160.4990.6771.13電壓Voltage(V) 106.1125.2152.2155.5160繞組Winding 準(zhǔn)確級(jí) Accuracy class 電流比Ipr/Isr 額定電流百分?jǐn)?shù) % Percent of Rated Current 比值差(%) Ratio Error 相位差() Phase Displacement 負(fù)荷VA Burden 2S1-2S2 10P20 150/5 100 -0.26+2.48303S1-3S2 10P20 150/5 100 -0.28+2.7830繞組Winding 準(zhǔn)確級(jí)Accuracy class 電流比 I pr/I

14、 sr 額定電流百分?jǐn)?shù) % Percent of Rated Current 負(fù)荷VA Burden 1 5 20 100 120 1S1-1S2 0.5 150/5 比值差(%) Ratio Error -0.05-0.03+0.02+0.0230相 位 差 () Phase Displacement -+6.05+3.37+0.61+0.621S1-1S2 0.5 150/5 比值差(%) Ratio Error -+0.07+0.07+0.07+0.073.75相 位 差 () Phase Displacement -+0.87+0.87+0.87+0.88附件 電流互感器誤差試驗(yàn)報(bào)告E

15、rrorTestReport產(chǎn)品編號(hào) Sr. No.17120038-4-6C產(chǎn)品型號(hào) TypeLB7-66W3串聯(lián) SerialConnection電流比 Ratio275/5A并聯(lián) ParallelConnection準(zhǔn)確級(jí) Accuracy class0.5/10P20/10P20額定負(fù)荷 Rated burden30/30/301. 計(jì)量級(jí)誤差:Errorof MeasuringWinding2.保護(hù)級(jí)誤差:Error of ProtectiveWinding3.伏安特性:V-Ampere Characteristic結(jié)論:Conclusion:本產(chǎn)品通過(guò)上述試驗(yàn),其結(jié)果均符合 GB/

16、T件,產(chǎn)品合格,準(zhǔn)許出廠。 20840.1-2010GB/T 20840.2-2014,及技術(shù)條The product passed all the specification and standard qualified and permitted totests above, the test resultconform to the technicalGB/T 20840.1-2010 GB/T 20840.2-2014,The product is leave factory. 試驗(yàn)Tested by: 劉樹(shù)朋 Liu Shu Peng校核Checked by:宋 輝 Song Hui

17、繞組Winding 試驗(yàn)數(shù)據(jù) Results of Test 2S1-2S2 電流Current(A) 0.1080.160.4990.6771.13電壓Voltage(V) 115134.7150.7153.5156.93S1-3S2 電流Current(A) 0.1080.160.4990.6771.13電壓Voltage(V) 106.1125.2152.2155.5160繞組Winding 準(zhǔn)確級(jí) Accuracy class 電流比Ipr/Isr 額定電流百分?jǐn)?shù) % Percent of Rated Current 比值差(%) Ratio Error 相位差() Phase Displacement 負(fù)荷VA Burden 2S1-2S2 10P20 75/5 100 -0.22+2.23303S1-3S2 10P20 75/5 100 -0.3+3.0930繞組Winding 準(zhǔn)確級(jí)Accuracy class 電流比 I pr/I s

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