Current transformer tester HYVA-404
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Tests for Current Transformer:
1）Excitation curve and parameters test
2）Turns ratio test
3）Ratio and phase error test
4）Polarity mark check
5）Coil resistance measurement
6）Secondary loop burden measurement
7）Error line curve test for protection CT
8）Transient CT parameters test
9）CT nameplate guess
10）Saturation hysteresis loop curve measurement
Tests for Voltage Transformer:
1）Turns ratio test and phase angle error test
2）Polarity test
3) Secondary burden test
4) Coil resistance test
1) CT nameplate check
2) CT parameters check in work burden
3) CT transient parameters analysis
4) CT ratio and phase error calibration
5) PT routine test
1 Test standards： IEC60044-1, IEC60044-6, GB1208, GB16847, C57.13
2 Power supply： AC220V±10%，50Hz/60Hz±10%
3 Power output： 0.1~180V (AC)
4 Current output： 0.001~5A(RMS)
5 Power output：300VA
6 Maximum knee voltage measurement：45kv
7 Current measurement：
Range：0~10A (automatically change range in 0.1/0.4/2/10A)
Error <±0.1%+0.01%FS
8 Voltage measurement：
Range：0~200 V (automatically change range in 1V/10V/70V/200V)
Error < ±0.1%+0.01%FS
9 Turns ratio measurement：
Range ：1~35000，
1~2000 error<0.05%
2000~5000 error>0.1%
5000~35000 error<0.2%
10 Phase measurement： error：±2min，resolution：0.01min
11 Coil resistance measurement：
Range：0~8kΩ (automatically change range in 2ohm/20ohm/80ohm/800ohm/8kohm)
Error< 0.2%RDG+0.02%FS
Maximum resolution：0.1mΩ
12 Temperature measurement：-50~100 Celsius degree， error<3 Celsius degree
13 CT Secondary burden：
Range 0～160ohm (automatically change range in 2ohm/20ohm/80ohm/160ohm)
Error <0.2%RDG+0.02%FS
Maximum resolution 0.001ohm
14 PT Secondary burden：
Range 0～80kohm (automatically change range in 800ohm/8kohm/80kohm)
Error <0.2%RDG+0.02%FS
Maximum resolution: 0.1ohm
15 PT ratio measurement：
Range ：1~35000，
1~5000 error<0.2%
5000~35000 error<0.5%
16 Saved data groups：>1000groups
17 Work condition： Temperature：-10℃～50℃， moist：≤90%
18 Size： 485mm×356mm×183mm
19 Weight： <15Kg
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