220kv Step Down Power Transformer​ 3 Phase Two Winding OLTC

Phase
Three-phase
Brand
ChangHe
Standards
IEC; ANSI, IEEE, AS, etc.
Capacity
31500kVA-360000kVA
Voltage
220KV
Frequency
50/ 60Hz
Winding Material
Aluminum / Copper

Description

Description of 220kv Step Down Power Transformer

Our 220kv Step Down Power Transformer is engineered to excel across critical power infrastructure scenarios, making it the ideal choice for power plants, substations, and large-scale industrial facilities. Whether integrating into power generation systems, facilitating efficient voltage conversion in substations, or supporting heavy-duty industrial operations with stable power distribution, this transformer delivers consistent performance where reliability matters most.
 
Built to meet and exceed global standards, our 220kv Step Down Power Transformer complies with IEC 60076-1, IEC 60076-2, IEC 60076-3, IEC 60076-5, as well as ANSI, IEEE, and AS specifications. This adherence to international norms ensures seamless compatibility with diverse power grids worldwide, while guaranteeing superior safety, durability, and operational efficiency.
 
With a voltage range optimized for 50/60Hz 220kV applications and a robust capacity range of 31500kVA to 360000kVA, our 220kv Step Down Power Transformer adapts effortlessly to varying load demands—from medium to large-scale power distribution needs. Its versatile design ensures it can integrate into complex power systems, providing reliable voltage stepping for enhanced grid stability and performance.
 
Choose our 220kv Step Down Power Transformer for a solution that combines broad applicability, global standard compliance, and tailored parameters to power your critical infrastructure efficiently.

Parameter of 220kv Step Down Power Transformer

Rated Power (kVA)
High Voltage
Low Voltage
Connection symbol
Loss(W)
No-load lossOn-load loss
31500kVA
220 kV
242 kV
6.3 kV
6.6 kV
10 kV
10.5 kV
11 kV
20 kv
34.5kv
35kv
37kv
69kv
YNd11
30000 W128000 W
40000kVA36000 W149000 W
50000kVA43000 W180000 W
63000kVA50000 W209000 W
90000kVA64000 W274000 W
120000kVA79000 W329000 W
150000kVA93000 W3850000 W
180000kVA108000 W4450000 W

Feature of 220kv Step Down Power Transformer

In modern power grids, the 220kv Step Down Power Transformer serves as a critical core component, bridging high-voltage transmission and medium-voltage distribution to ensure reliable electricity supply for industries, cities, and large-scale infrastructure. Designed with cutting-edge engineering and user-centric needs in mind, our 220kv Step Down Power Transformer stands out with six key advantages that redefine efficiency, safety, and flexibility in power systems.
 

1. Uncompromised Operational Safety & Reliability

 

Safety is the cornerstone of any power transformer, and our 220kv Step Down Power Transformer is built to exceed international safety standards. We use high-quality core materials, flame-retardant insulating components, and precision-manufactured windings to minimize risks of overheating, insulation breakdown, or operational failures.
 
Whether in long-term continuous operation or fluctuating load conditions, this transformer maintains stable performance—reducing unplanned downtime and safeguarding your power network against costly disruptions.
 

2. Energy Efficiency to Cut Network Loss & Operational Costs

 

Our 220kv Step Down Power Transformer is engineered for maximum economic efficiency, directly addressing the pain point of energy waste in power transmission. Adopting low-loss silicon steel cores and optimized winding structures, it significantly reduces no-load loss and load loss—translating to lower network energy waste over time.
 
For power utilities, industrial parks, or large enterprises, this efficiency means tangible savings on monthly electricity bills and long-term operational costs, while aligning with global sustainability goals.
 

3. Superior Short-Circuit Strength & Insulation Performance

 

Power grids often face unexpected short-circuit events, which can damage transformers without robust protection. Our 220kv Step Down Power Transformer features enhanced short-circuit strength: its rigid winding design and reinforced tank structure can withstand extreme mechanical forces during short-circuits, preventing deformation or internal damage.
 
Additionally, we use advanced insulating oil and vacuum-dried insulation systems to boost dielectric strength, ensuring the transformer operates safely even in high-voltage, humid, or harsh environmental conditions.
 

4. Compact Design, Low Noise, & Light Weight for Easy Deployment

 

We understand that installation space and environmental impact matter—especially for urban or densely populated areas. Our 220kv Step Down Power Transformer boasts a compact footprint, allowing it to fit in limited substation spaces without compromising performance. Its low-noise operation (compliant with IEC noise standards) ensures minimal disturbance to nearby communities or workplaces, making it ideal for residential, commercial, or industrial zones.
 
Furthermore, the transformer’s lightweight design simplifies transportation and on-site installation, reducing logistics and labor costs for your project.
 

5. Customized Solutions Tailored to Your Exact Requirements

 

Every power project has unique needs—whether it’s specific voltage ratios, tap changer configurations, cooling systems (oil-immersed or dry-type), or special environmental adaptations (e.g., high-altitude, coastal corrosion resistance).
 
Our team offers fully customized 220kv Step Down Power Transformer solutions, working closely with you to analyze your project’s parameters and deliver a transformer that fits seamlessly into your existing power infrastructure. From design to manufacturing, we prioritize your requirements to ensure optimal compatibility and performance.
 

6. Competitive Short Delivery Time to Accelerate Your Project

 

We know that project timelines are critical, and delays in transformer delivery can hold up entire power infrastructure projects. Leveraging our streamlined production processes, advanced manufacturing facilities, and optimized supply chain, we guarantee a competitive short delivery time for our 220kv Step Down Power Transformer. Without compromising quality, we accelerate production cycles to meet your deadlines—helping you launch your power system on schedule and avoid costly project delays.

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