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The GDVA-405 CT PT Analyzer is an advanced and state-of-the-art professional instrument specifically engineered to provide comprehensive testing and analysis capabilities for current transformers (CTs) and potential transformers (PTs). With its cutting-edge technology and precise measurement capabilities, this instrument plays a crucial role in the industry by facilitating accurate assessment and evaluation of transformer performance.
Built with the latest advancements in testing equipment, the CT PT Analyzer offers a wide range of features and functionalities that enable thorough examination of CTs and PTs. It is designed to meet the stringent requirements of the industry, ensuring reliable and accurate results.
Test Items by GDVA-405 CT PT Analyzer:
| Tests for Current Transformer | Tests for Potencial Transformer |
1) Turn ratio detection 2) Ratio and angle error check 3) Polarity test 4) Excitation characteristic test 5) Secondary winding resistance measurement and secondary burden measurement 6) 5% and 10% error curve measurement 7) Transient characteristics analysis 8) Automatic nameplate inference 9) Knee point voltage/current 10) Accuracy Limit Factor (ALF) 11) Instrument security factor (FS) 12) Secondary time constant (Ts) 13) Remanence coefficient (Kr) 14) Accuracy 15) Saturation and desaturation inductance 16) Knee point electromotive force 17) Limit electromotive force 18) Area factor 19) Iron core analysis and core hysteresis loop measurement | 1) Turn ratio measurement 2) Ratio and angle error check 3) Polarity test 4) Excitation characteristic test 5) Primary winding resistance test 6) Secondary winding resistance test 7) Secondary burden measurement |
Technical Parameter of GDVA-405 IEC60044 Transformer CVT Test Machine CT Meter Automatic CT PT Analyzer
| 1.Test standards: IEC60044-1, IEC60044-6, IEC60044-2, IEC61869,IEC60044-5, C57.13 2.Power supply: AC220V±10%, 50/60Hz±10% 3.Voltage output: 0.1-180V (AC) 4.Current output: 0.001-5A(RMS) 5.Power output: 500VA 6.Maximum knee voltage measurement: 60KV 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: 0-200V (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.Winding 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 1-10000 error<0.1% 10000-35000 error<0.2% 16.PT ratio error measurement: Typical error <0.05%, Maximum Error<0.1%. 17.PT phase angle measurement: maximum error < 3min. 18.Memory capacity: >1000 groups test results. 19.Working condition: temperature: -10ºC~50ºC; moist: ≤90% |
Other Functions:
IEC60044 Current Transformer Testing CT Meter Automatic CT PT Analyzer
1) Make evaluation for test results according to selected standards.
2) Make word report for test result.
3) Make word reports one time for multi-group test records on the PC.
4) Calculate the ratio errors and phase angle errors at rated burden and working burden in one time test.
5) Compare excitation curves with saved excitation curves in the same window.
