Description
KV-6000A Automatic dissipation factor and capacitance tester
Transformer Capacitance and Tan-Delta Tester is a advanced, fully automatic device for on-site measurement of dielectric loss/dissipation factor(tgδ) and capacitance (Cx) in electrical equipment. It is ideal for use with transformers, insulating bushes, CT/PTs, Capacitors, MOAs, and similar devices.
Feature
- Integrated with a dielectric loss bridge, a frequency conversion power supply, a testing transformer, and an SF6 high stability standard capacitor.
- Digital notch technology is used to eliminate interference from the power frequency electric field.
- The high-voltage source is produced internally by an inverter and is stepped up by the transformer before being applied to the test object.
- Offers multiple protections against input voltage fluctuations, output short circuits, over-voltage, over-current, and temperature, ensuring safety and reliability. It also includes a ground testing feature, preventing voltage boosting in non-grounded equipment.
- Features an LCD touch screen with an easy-to-navigate English menu.
- Capable of storing up to 200 groups of data, organizing test results chronologically for easy access and printing.
- Versatile testing modes include internal high voltage, external high voltage, internal standard, external standard, GST/UST, and self-excitation. High voltage (above 12kV) dielectric loss tests can be conducted using the external standard and external high voltage setting.
- Allows for simultaneous testing of the dielectric loss and capacitance of both C1 and C2 in fully sealed CVTs (Capacitive Voltage Transformers), as well as assessing the CVT transformation ratio and voltage angle difference.
- Can accurately measure the CVT dielectric loss and capacitance values without detaching the CVT high voltage lead.
- Employs the reverse shielding method to measure the dielectric loss and capacitance value of C0 at the upper end of the CVT.
- Incorporates high-speed signal sampling, with a digitally controlled inverter and sampling circuit. The output voltage is continuously adjustable.
Technical Specifications:
| Working condition | -15℃~40℃ | RH<80% | |||||
| Anti-interference principle | Frequency conversion | ||||||
| Power supply | AC 220V±10% | Generator can be used. | |||||
| High voltage output | 0.5KV~10KV | Every 0.1kV | |||||
| Accuracy | 5% | ||||||
| Max. current | 200mA | ||||||
| Capacity | 2000VA | ||||||
| Self-excitation power | AC 0V~50V/15A | 45HZ/55HZ 47.5HZ/52.5HZ 55HZ/65HZ 57.5HZ/62.5HZ Automatic dual frequency |
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| Resolution | tgδ: 0.001% | Cx: 0.001pF | |||||
| Accuracy | ∆tgδ: ±(reading*1.0%+0.040%) | ||||||
| ∆C x: ±(reading*1.0%+1.00PF) | |||||||
| Measurement range | tgδ | Without limit | |||||
| C x | 15pF < Cx < 300nF | ||||||
| 10KV | Cx < 60 nF | ||||||
| 5KV | Cx < 150 nF | ||||||
| 1KV | Cx < 300 nF | ||||||
| CVT test | Cx < 300 nF | ||||||
| LCR measurement range | L>20H(2kV) | R>10KΩ(2kV) | |||||
| LCR measurement accuracy | 1% | Angle resolution | 0.01 | ||||
| CVT ratio range | 10~10000 | ||||||
| CVT ratio accuracy | 3% | ||||||
| CVT ratio resolution | 0.01 | ||||||
| Dimension | Main unit: 470(L)×370(W)×380(H) | ||||||
| Accessory box: 430(L)×350(W)×130(H) | |||||||
| Memory capacity | 200 groups, USB flash disk storage is supported. | ||||||
| Weight | Main unit: 23Kg | ||||||
| Accessory box: 6Kg | |||||||
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