It is used to measure all kinds of current transformer and voltage transformer. It can calculate the ratio errors and phase angle errors of current transformer and voltage transformer at rated burden and working burden in one test.
CPT-III Touch Screen CT PT Analyzer, Automatic CT PT Analysis Instrument
Introduction:
CPT-III Automatic CT PT Analyzer is used to measure all kinds of current transformer and voltage transformer.
CPT-III Automatic CT PT Analyzer can calculate the ratio errors and phase angle errors of current transformer and voltage transformer at rated burden and working burden in one test.
CPT-III Automatic CT PT Analyzer can automatically evaluate the test results according to the selected standard to determine whether the transformer is qualified.
Application:
Tests for current transformer | Tests for voltage transformer | Applications for CTPT analyzer |
Excitation curve and parameters test | Turns ratio test | CT nameplate check |
Turns ratio test | Polarity test | CT parameters check in work burden |
Ratio and phase error test | Secondary burden test | CT transient parameters analysis |
Polarity mark check | Coil resistance test | CT ratio and phase error calibration |
Coil resistance measurement | Ratio error, phase angle error test | PT routine test |
Secondary loop burden measurement | ||
Error line curve test for protection CT | ||
Transient CT parameters test | ||
CT nameplate guess | ||
Saturation hysteresis loop curve measurement |
Specifications:
Test standards: IEC60044-1, IEC60044-6, IEC60044-2, IEC60044-5, C57.13
Power supply: AC220V±10%, 50/60Hz±10%
Voltage output: 0.1~180V (AC)
Current output: 0.001~5A(RMS)
Power output: 500VA
Maximum knee voltage measurement: 45KV
PT ratio error measurement: typical error <0.05%, maximum error<0.1%
PT phase angle measurement: maximum error < 3min
Memory capacity: >1000 groups test results
Working condition: temperature: -10℃~50℃, humidty: ≤90%
Size: 485mm×356mm×183mm, weight: <15kg
Parameters | Range | Error | Resolution |
Current | 0~10A (automatically change range in 0.1/0.4/2/10A) | <±0.1%+0.01%FS | / |
Voltage | 0~200V (automatically change | <±0.1%+0.01%FS | / |
Turns Ratio | 1~5000 | <0.05% | / |
5000~35000 | <0.1% | / | |
Phase | / | ±2min | 0.01min |
Winding Resistance | 0~8kΩ (automatically change range in 2ohm/20ohm/80ohm/800ohm/8kohm) | <0.2%RDG+0.02%FS | 0.1mΩ |
Temperature | -50~100 Celsius degree | <3 Celsius degree | / |
CT Secondary Burden | 0~160ohm (automatically change range in 2ohm/20ohm/80ohm/160ohm) | <0.2%RDG+0.02%FS | 0.001ohm |
PT Secondary Burden | 0~80kohm (automatically change | <0.2%RDG+0.02%FS | 0.1ohm |
PT Ratio | 1~10000 | <0.1% | / |