electric transformer
SZ three-phase oil-immersed on-load tap-changing transformer
1. On-load voltage regulation, stable without power interruption: automatic/manual voltage regulation under load, stable voltage, and reliable power supply
2. Strong short-circuit resistance, safe and reliable: robust construction, passed short-circuit test, multiple protections
3. Fully sealed, maintenance-free: anti-leakage, slow oil aging, reduced core lifting, simple operation and maintenance
4. Strong overload capacity: can withstand 1.2 times overload for a short time, suitable for load fluctuations
I. Product Introduction
Three-phase transformer SZ with oil immersion on load And Switching valves are a new generation of highly efficient and energy-saving equipment for the transmission and distribution of electrical power.
Using high-quality silicon steel core and all-copper windings, combined with load voltage regulation and fully sealed oil-immersed design, the transformer features low loss, low noise, high reliability and strong short-circuit resistance. It meets the needs of stable power supply and real-time voltage regulation for power grids, industries, stadiums and other scenarios.
II. Technical parameters (customizable)
Rated capacity: 50KVA-63000KVA
Voltage regulation: tap switching on load
Connection group: Dyn11
Cooling Mode: ONAN/ONAF
Energy efficiency level: high-efficiency and energy-saving transformer
III. Main features
High efficiency and energy saving
Optimized core and winding design significantly reduces no-load and load losses, lowering electricity costs for long-term operation.
Load voltage stabilization
Automatic voltage regulation under live load, resisting load fluctuations to ensure stable voltage and equipment safety.
High reliability
Full copper windings with high-quality insulating oil have strong resistance to short circuits and impacts, suitable for long-term continuous operation.
Easy maintenance
Sealed structure, equipped with oil level and oil temperature monitoring and protective safety devices, ensuring visible status and simple operation and maintenance.
Low noise level and low partial discharge
Shock-absorbing and noise-reducing design, low partial discharge and vibration, suitable for indoor and densely populated areas.
Strong environmental adaptability
Stable operation under high and low temperature, humid, dusty, and other industrial and outdoor environments.
IV. Application Scenarios
Power grid system: urban/park substations, regional distribution stations, network step-up/step-down nodes.
Energy and power: auxiliary power for power plants, new energy grid connection stations, supporting transformers for energy storage stations.
Large-scale industry: high-energy power supply for metallurgy, petrochemical, mining, manufacturing, and other industries.
Public buildings: convention centers, stadiums, airports, hospitals, data centers (applied in large event venues).
Infrastructure reconstruction: energy-saving replacement of old transformers, power grid modernization, expansion of load center capacity.
