Three-phase oil-immersed transformer
1. High operational efficiency, with thetransformer efficiencyreaching ≥97%, ensuring impressive energy savings.
2. Stable and reliable voltage, equipped with an on-load tap changer capable of online voltage regulation and adjustment without power interruption, effectively ensuring secondary voltage quality, suitable for various load fluctuations.
3. Stable and durable construction, using high-quality iron cores combined with oxygen-free copper windings, with high mechanical strength, strong short-circuit withstand capability, low failure rate, and high operational stability.
4. Excellent sealing, optimized oil tank design, effectively preventing leaks and moisture, with a long maintenance-free period, significantly reducing daily workload.
5. Compact, easy to assemble and transport, with small size and light weight, it is convenient for installation and transportation. It is suitable for scenarios such as the main 35 kV power grid, large industrial and mining enterprises with step-down transformers, and power distribution in parks.substationswith step-down transformers and power distribution in parks.
Three-phase oil-immersed power transformer with on-load tap changer
Rated power: 6300KVA-125000KVA
Voltage regulation method: on-load voltage regulation
Cooling method: standard ONAN/ONAF, optional OFAF/ODAF
Connection group: standard YNd11, customizable for special cases
Energy efficiency class: high efficiency and energy saving
Performance standards: GB 1094 series, GB/T 6451, etc., compatible with IEC 60076
Core materials: core (cold-rolled low-loss silicon steel sheet), windings (oxygen-free copper wire), oil tank (Q235B steel plate, fully sealed)
Product advantages: Low energy loss and energy saving, no-load power loss reduced by about 30% compared to traditional models; Accurate on-load voltage regulation, stable output voltage suitable for grid fluctuations; Low-noise design meeting environmental safety requirements; Strong winding rigidity, excellent short-circuit resistance; Fully sealed oil tank preventing oil leakage and aging
Application scenarios: 110 kV substations at all levels, responsible for voltage boosting, voltage reduction, and load distribution in regional power grids; Special power supply for large industrial enterprises, metallurgy, petrochemicals, railway transportation, and other industrial sectors; Voltage boosting and grid connection for wind and photovoltaic power stations, suitable for voltage fluctuations of new energy sources; Power distribution for urban areas, development zones, residential areas, ensuring public and commercial power supply; Complex outdoor conditions such as high altitudes, coastal salt spray, severe cold and high temperatures, and heavy pollution; Data centers, large complexes, and other locations with high requirements for power supply stability.
