ZXHQ-Y Transformer Field Calibrator
ZXHQ-Yis a multifunctional current and voltage transformer characteristic tester designed in accordance with IEC60044-1 / GB1208, IEC60044-2GB1207, IEC60044-6 / GB16847 and C57.13, the instrument can obtain the excitation characteristics of the current and voltage transformers, excitation parameters. The maximum inflection point voltage of the current transformer under test can reach 45kV with various test parameters such as ratio, hit ratio error, polarity, coil resistance and hysteresis loop.
Manual
VideoThe CT PT analyzer is used for the following tests of current transformers:
1. Excitation characteristic test
2. Turn ratio detection
3. Verification of ratio difference and angle difference
4. Polarity check
5. Secondary winding resistance measurement
6. Secondary load measurement
7, 5% and 10% error curve measurement
8. CT transient characteristics test and analysis
9. CT nameplate automatic inference
10. Measurement of CT parameters such as inflection point voltage / current, accurate limit factor, instrument security factor, secondary time constant, residual magnetic coefficient, accuracy level, saturation and undersaturation and inductance, inflection point electromotive force, limit electromotive force and area factor
11. Hysteresis loop measurement of current transformer core
The CT PT analyzer can also be used for the following tests of voltage transformers:
1. PT turns ratio detection
2. PT polarity check
3. PT secondary winding resistance measurement
4. PT secondary load measurement
The application of the device mainly includes:
1. Parameter verification of CT nameplate
2. Parameter verification when CT is connected to current load
3. Analyze the impact of CT's transient characteristics on the relay protection device.
4. PT nameplate parameter verification
5. PT secondary load verification
1. Test standard basis: IEC60044-1, IEC60044-2, IEC60044-5, IEC60044-6, GB1207, GB1208, GB16847, GBT4703, C57.13
2. Input power voltage: AC220V ± 10%, 50Hz / 60Hz ± 10%
3. Output voltage: 0.1 ~ 125V (AC)
4. Output current: 0.001 ~ 5A (RMS)
5. Output power: 300VA
6. The highest equivalent inflection point voltage: 45KV
7. Current measurement: Range: 0 ~ 10A (automatic range 0.1 / 0.4 / 2 / 10A), error <± 0.1% + 0.01% FS
8. Voltage measurement: Range: 0 ~ 200 V (automatic range 1/10/70 / 200V), error <± 0.1% + 0.01% FS
9. Turn ratio measurement: range: 1 ~ 30000, 1 ~ 2000 error <0.05%, 2000 ~ 5000 error <0.1%, 5000 ~ 30000 error <0.2%
10. Phase measurement: Accuracy: ± 2min, resolution: 0.01min
11. Measuring range of secondary winding resistance: range: 0 ~ 8KΩ (automatic range 2/20 / 80Ω / 800Ω / 8kΩ)
Error <0.2% RDG + 0.02% FS, maximum resolution: 0.1mΩ
12. Temperature measurement: -50 ~ 100 degrees, error <3 degrees
13. CT secondary load measurement: 0 ～ 160ohm (2/20 / 80ohm / 160ohm)
Error 0.2% RDG + 0.02% FS Maximum resolution 0.001ohm
14. PT secondary load measurement: 0 ～ 80kohm (800ohm / 8kohm / 80kohm)
Error 0.2% RDG + 0.02% FS Maximum resolution 0.1ohm
15. Turn ratio measurement: range: 1 ~ 30000, 1 ~ 5000 error <0.2%, 5000 ~ 30000 error <0.5%
16. Number of data storage groups: more than 1000 groups
17. Working conditions: temperature: -10 ℃ ～ 50 ℃, humidity: ≤90%
18. Size: 485mm × 356mm × 183mm
19. Weight: 15Kg
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