GDVA-405 Variable Frequency Automatic CT PT Analyser IEC61869
Product Description
GDVA-405 Variable Frequency Automatic CT PT Analyser IEC61869
Introduction
1) GDVA-405 Automatic CT PT Analyser can quickly complete the testing of key parameters such as turns ratio error, polarity, excitation characteristics, and secondary burden of CT PT, ensuring measurement accuracy and relay protection reliability.
2) Compatible with multiple international standards, such as IEC60044-1, IEC60044-6, IEC61869, IEC60044-2, IEC60044-5, C57.13 ANSI 45, and C57.13 ANSI 30.
3) GDVA-405 CT PT Analyser supports automatic generation of Word version test reports.
4) GDVA-405 CT PT Analyser is suitable for complex testing environments in laboratories and on site.
5) Embedded computer, with its intelligent operating interface, multitasking testing mode, and data management functions, greatly improve operation and maintenance efficiency. GDVA-405 CT PT Analyser is an ideal solution for power grid enterprises, power laboratories, and industrial users to achieve equipment lifecycle management and prevent fault risks.
Advantages for our GDVA-405 Automatic CT PT Analyser:
1) Efficient: All test items can be completed in one time.
2) High Accuracy: 0.02%(Typical), 0.1%(Guarantee).
3) Portable: Net weight 15KG
4) Easy to operate: GDVA-405 is equipped with an embedded computer, with parameter settings on the left side of the interface and a wiring diagram provided in the upper right corner for customer reference.
5) Compatible with multiple types of transformers: M, P, TPY, Bushing CT, GIS CT-etc.
6) High degree of personalization: supports customized functions (please contact us if you have special requirements).
Test Items:
| Test items for Current Transformer(CT) | Test items for Potential Transformer(PT) |
Turn ratio detection Ratio and angle error check Polarity test Excitation characteristic test Secondary winding resistance measurement and secondary burden measurement 5% and 10% error curve measurement Transient characteristics analysis Automatic nameplate inference Knee point voltage/current Accuracy Limit Factor (ALF) Instrument security factor (FS) Secondary time constant (Ts) Remanence coefficient (Kr) Accuracy Saturation and desaturation inductance Knee point electromotive force Limit electromotive force Area factor Iron core analysis and core hysteresis loop measurement | Turn ratio measurement Ratio and angle error check Polarity test Excitation characteristic test Primary winding resistance test Secondary winding resistance test Secondary burden measurement |
Technical Index
| Test standards | IEC60044-1, IEC60044-6, IEC60044-2, IEC60044-5, IEC61869,C57.13 ANSI 45 and C57.13 ANSI 30 |
| Power supply | AC220V±10%, 50/60Hz±10% (Support customize to AC110V,120V,127V) |
| Voltage output | 0.1-180V (AC) |
| Current output | 0.001-5A(RMS) |
| Power output | 500VA |
| Max. knee voltage measurement | 60kV |
| Current measurement | range: 0-10A (automatically change range in 0.1/0.4/2/10A). Error:<±0.1%+0.01%FS. |
| Voltage measurement | range: 0-200V (automatically change range in 1V/10V/70V/200V). error: < ±0.1%+0.01%FS. |
| Turns ratio measurement Range | 1~35000 1~2000, error<0.05% 2000~5000,error<0.1% 5000~35000,error<0.2% |
| Phase measurement | error: ±2min; resolution: 0.01min |
| Winding resistance measurement | range: 0-8kΩ (automatically change range in2ohm/20ohm/80ohm/800ohm/8kohm). error: < 0.2%RDG+0.02%FS. Maximum resolution : 0.1mΩ |
| Temperature measurement | -50~100 Celsius degree; error<3 Celsius degree |
| CT Secondary burden | Range: 0-80kohm (automatically change range in 800ohm/8kohm/80kohm). error: <0.2%RDG+0.02%FS. Maximum resolution : 0.1ohm |
| PT ratio measurement range | 1-35000, 1-10000 error<0.1%, 10000-35000 error<0.2% |
| PT ratio measurement error | Typical error<0.05%, Maximum Error<0.1% equip with PT Booster Comparator(Optional), the accuracy can reach 0.05%. |
Our Partners
Contact us
Contact Person: Christine Gou
Whatsapp/Wechat: +86 15123029885
Mobile: +86 15123029885
E-mail: gold05@hy-industry.com