Oil-filled sealed transformers
Oil-filled sealed transformers, manufactured by the "SVEL" Group, are designed for power transformation in distribution networks with voltages of 6–35 kV.
Main Technical Specifications:
- Power: from 25 to 3,200 kVA
- Rated HV voltage: 6–35 kV
- Voltage regulation: NLTC ±2 × 2.5%
- Rated LV voltage: 0.4 kV
- Frequency: 50 Hz
- Winding connection scheme and group: Y/Yn-0; Δ/Yn-11; Y/Zn-11
- Climatic category: UHL1
- Energy efficiency class: in accordance with the requirements of PJSC "Rosseti", Russian Government Decree No. 600, "Gazprom", "Rosneft", etc.
- Additional equipment: slides, thermometer, terminals, manovacuummeter, telemetry relay, vibration damper
- Service life: 30 years
Advantages:
- Wide range of transformers and components.
- Compliance with national, international, and industry standards.
- High overload capability.
- Minimal operational costs.
- Multi-stage quality control: from supplier audit to shipment of finished products to the end customer.
- Developed customer support and service system.