FS:(CN) insulating oil tester ct pt analyzer etc  - Page 1
Forum section: electronics / general

author: chloe shuyue wang
author_rank: Contributor
timestamp: November 12, 2014, 08:45:29 am
content: Thanks for this place to ad our products.This is Chloe from wuhan huaying electric power, we make electrical tester for 17 years.Main product:ct pt analyzercircuit breaker analyzerinsulating oil testertransformer turns ratio testercontact resistance testerwinding resistance testervacuum degree testerfrequency response analyzergrounding resistance testermicro-ampere metervery low frequency testerhigh voltage dividertangent delta testercable fault testerrelay testerhipot testerhigh voltage generatortransformer no-load and load testerBasic tech index will be listed below.Name ChloeEmail whhy818@163.comWhatsapp 0086 158 2728 0740

author: chloe shuyue wang
author_rank: Contributor
timestamp: November 13, 2014, 12:50:14 am
content: CT PT analyzerModel HYVA-404ApplicationTests for Current Transformer:1) Excitation curve and parameters test2) Turns ratio test3) Ratio and phase error test4) Polarity mark check5) Winding resistance measurement6) Secondary loop burden measurement7) Error line curve test for protection CTTransient CT parameters test9) CT nameplate guess10) Saturation hysteresis loop curve measurementTests for Potential Transformer:1) Turns ratio test2) Ratio error and phase angle error test3) Polarity test4) Secondary burden test5) Winding resistance testApplications of CT/PTAnalyzer:1) CT nameplate check2) CT parameters check in work burden3) CT transient parameters analysis4) CT ratio and phase error calibration5) PT routine testPower supply: AC220V±10%, 50/60Hz±10%Voltage output: 0.1~180V (AC)Current output: 0.001~5A(RMS)Power output: 500VAMaximum knee voltage measurement: 45KVCurrent measurement:Range: 0~10A(automatically change range in 0.1/0.4/2/10A)Error: <±0.1%+0.01%FSVoltage measurement:Range: 0~200V (automatically change range in 1V/10V/70V/200V)Error: < ±0.1%+0.01%FSTurns ratio measurement:Range:1~350001~2000 error<0.05%2000~5000 error<0.1%5000~35000 error<0.2%Phase measurement: error: ±2min; resolution: 0.01minWinding resistance measurement:Range: 0~8k? (automatically change range in 2ohm/20ohm/80ohm/800ohm/8kohm)Error: < 0.2%RDG+0.02%FSMaximum resolution: 0.1m?Temperature measurement:-50~100 Celsius degree; error<3 Celsius degreeCT Secondary burden:Range: 0?160ohm (automatically change range in 2ohm/20ohm/80ohm/160ohm)Error: <0.2%RDG+0.02%FSMaximum resolution: 0.001ohmPT Secondary burden:Range: 0?80kohm (automatically change range in 800ohm/8kohm/80kohm)Error :<0.2%RDG+0.02%FSMaximum resolution: 0.1ohmPT ratio measurement:Range: 1~350001~10000 error<0.1%10000~35000 error<0.2%PT ratio error measurement: Typical error <0.05%, Maximum Error<0.1%PT phase angle measurement: maximum error < 3minMake evaluation for test results according to selected standardsMake word report for test resultMake word reports one time for multi-group test records on the PCCalculate the ratio errors and phase angle errors at rated burden and working burden inone time testCompare excitation curves with saved excitation curves in the same windowMemory capacity: >1000 groups test resultsWorking condition: temperature: -10??50?; moist: ?90%

author: chloe shuyue wang
author_rank: Contributor
timestamp: November 13, 2014, 04:00:13 am
content: Web link iswww.hy-dl.cn/enName ChloeEmail whhy818@163.comWhataspp 0086 158 2728 0740

author: chloe shuyue wang
author_rank: Contributor
timestamp: December 09, 2014, 09:02:26 am
content: Transformer turns ratio testerModel HYBC-901Introduction:1. The voltage ratio measurement for three or singe phase transformer2. The group vector measurement for three phase transformer.3. The polarity measurement for single phase transformer or CT/PT4. Voltage ratio error calculation5. Current transformer ratio measurement6. Excitation current measurement in ratio testing7. Reproduction the AC test voltage from power source to reduce the effects of bad power source8. Save the test results in the memory internal the tester9. Print the test results by micro printer10. Reverse connection detect unit to prevent the high voltage injected to operator11. Over current protection unit integrated in software and hardware12. Upload the test results to PC by RS232 and make word report by softwareEmail: whhy818@163.comName: Chloe Wang(please tell me from EEVBLOG)

author: chloe
author_rank: Newbie
timestamp: January 07, 2015, 08:56:26 am
content: Hipot tester (transformer + controller)1)Power Transformer AC high voltage withstand test,2)Circuit Breaker AC high voltage withstand test,3)High voltage motors high voltage withstand test,4)Voltage/current transformer high voltage withstand test,5)High voltage power source for calibration of high voltage meter,AC hipot tester, AC/DC hipot tester.Oil hipot tester, Dry hipot tester.1.5kva 50kv hipot tester to 150kva 100kv hipot tester for choose.Name: Chloewhatsapp/cellphone : 0086 158 2728 0740email: whhy818@163.comfeel free to contact me.

author: chloe
author_rank: Newbie
timestamp: January 07, 2015, 09:01:24 am
content: universal relay tester /3 phase relay tester/6 phase relay tester/Name: Chloeskype: wangshuyue1991whatsapp: 0086 158 2728 0740email: whhy818@163.comfeel free to contact me !