Product overview
Capacitive voltage transformers are widely used in AC power systems for measurement, control, protection and high-frequency carrier communication.
Structural features
Capacitive voltage transformer consists of capacitive voltage divider and electromagnetic unit
The electromagnetic unit has a fully sealed structure. The box is equipped with medium-voltage transformers, compensation reactors, dampers, etc. The insulating oil is made of high-quality mineral oil, and the secondary wiring board is cast with epoxy casting or SMC material to effectively prevent leakage. . The accuracy of capacitive voltage transformers can be adjusted on site when the user needs it.
A capacitive voltage divider consists of a high voltage capacitor and a medium voltage capacitor. The capacitor has a fully sealed structure, and is composed of many identical capacitor elements connected in series inside and housed in an insulating shell. The solid dielectric material is a composite of high-quality polypropylene film and paper, the impregnating agent is high-quality synthetic insulating oil, and the capacitor has been fully dried and vacuum impregnated.
Use environmental conditions
1. Altitude: ≤2000m (products with altitudes exceeding 2000m are also available);
2. Maximum wind speed: 42m/s;
3. Ambient temperature: -40°C~+45°C;
4. Ice coating thickness: 10mm;
5. Pollution level: External insulation creepage ratio ≥25mm/kV or ≥31mm/kV;
6. Earthquake intensity: no more than 8 degrees;
7. System rated frequency: 50Hz;
8. Neutral point effective grounding system or neutral point non-effective grounding system.
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This type of transformer is suitable for current and energy measurement and relay protection in 50Hz and 66kV power systems.
This type of transformer is suitable for current and energy measurement and relay protection in 50Hz and 66kV power systems.
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This series of voltage transformers can provide five-coil products according to customer requirements.
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This series of voltage transformers can provide five-coil products according to customer requirements.
Capacitive voltage transformers are widely used in AC power systems for measurement, control, protection and high-frequency carrier communication.
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