110kV~220kV POWER TRANSFORMER--Ideal choice for power stations, factories, hospitals, airports, tunnels, chemical plants, and nuclear power plants.
Product Overview
This high-voltage power transformer is designed using Toshiba's analysis software combined with our company's proprietary calculation and validation procedures. To guarantee product performance, we conduct rigorous design and testing on key components including the transformer core, windings, main body, lead wires, and oil tank.
Our model SSZ11-40000/110 has successfully passed the short-circuit withstand test and all routine type tests conducted by the National Transformer Quality Supervision and Inspection Center.
Featuring stability, cost-effectiveness, reliability, and environmental friendliness, this transformer is ideal for power plants, substations, and large-scale industrial, mining, and petrochemical enterprises.
Product Features
Fully sealed and insulated structure ensures personnel safety.
Cost-effective and efficient, reducing grid losses and operational costs.
Versatile for both ring network and terminal applications.
Low loss, low noise, and superior performance.
Excellent low-temperature performance and strong overload capacity.
Special structural design delivers outstanding quality and reliability.
1,What is a Power Transformer?
A power transformer is a static electromagnetic device that converts alternating current (AC) from one voltage level to another using electromagnetic induction. It is the "heart" of power systems, enabling the safe, efficient transmission and distribution of electrical energy. Unlike small distribution transformers, 110kV–220kV power transformers are high-voltage, large-capacity units designed for bulk power transfer between transmission grids.
2,Role of Power Transformers in Power Systems
Power transformers perform three core functions:
Step-up Voltage: At power plants, they raise generator voltage (typically 6–20kV) to high transmission voltages (110kV–220kV or higher) to minimize energy loss during long-distance transmission.
Step-down Voltage: At substations, they reduce high transmission voltages to lower distribution voltages (10kV–35kV) for safe delivery to industrial, commercial, and residential users.
Grid Interconnection: They enable synchronization between different power grids, supporting stable power exchange and grid reliability.
3,Key Advantages of Modern Power Transformers
High Efficiency: Low core loss and copper loss minimize energy waste, aligning with carbon neutrality goals.
Safety & Reliability: Fully sealed insulation structures prevent oil leakage and arc flash hazards, protecting personnel and equipment.
Low Noise & Eco-Friendly: Advanced design reduces operational noise, while non-toxic materials meet environmental regulations.
Strong Overload & Temperature Resistance: Robust design withstands temporary overloads and extreme weather conditions.
Long Service Life: Durable construction and corrosion-resistant materials ensure 20–30 years of reliable operation.
4,Why Do We Need Power Transformers?
Reduce Transmission Loss: High-voltage transmission drastically cuts resistive losses in power lines, making long-distance power delivery economically feasible.
Ensure Grid Safety: Voltage conversion matches power system components to their rated voltages, preventing equipment damage and electrical hazards.
Enable Large-Scale Power Distribution: They allow power generated at centralized plants to reach end-users across vast geographic areas, supporting urban and industrial development.
Support Grid Stability: Transformers regulate voltage levels and balance power flow, preventing blackouts and ensuring consistent power quality.
5,Common Types of Power Transformers
| Type | Application |
|---|---|
| Step-up Transformers | Installed at power plants to raise generator voltage for transmission. |
| Step-down Transformers | Installed at substations to reduce high voltage for distribution. |
| Three-Phase Transformers | Most common type for bulk power transmission (e.g., 110kV/220kV units). |
| Oil-Immersed Transformers | Use mineral oil for cooling and insulation, ideal for high-voltage outdoor applications. |
| Dry-Type Transformers | Use air for cooling, used in indoor, fire-sensitive environments (e.g., hospitals, tunnels). |
6,FAQ (Frequently Asked Questions)
Q1: What voltage levels do your power transformers support?A: We offer a full range of solutions from 110kV to 220kV, including custom designs for specific grid requirements.
Q2: How long does a power transformer last?A: With proper maintenance, oil-immersed power transformers have a service life of 20–30 years.
Q3: What safety features do your transformers include?A: They feature fully sealed insulation structures, over-temperature protection, and pressure relief valves to prevent hazards.
Q4: Can these transformers be used in harsh environments?A: Yes. Our units are designed for low-temperature resistance, overload capacity, and corrosion resistance, suitable for industrial, petrochemical, and nuclear plant applications.
Q5: What certifications do your transformers have?A: They have passed national quality tests and hold key certifications including CMA, CNAS, and PCCC, ensuring compliance with international standards.