Technical Article

20kV Step Up Dry-Type Solar Transformer for Solar Power Systems

09-16 2025 | By:

20kV Step Up Dry-Type Solar Transformer for Solar Power Systems

ZTELEC YUGUANG specializes in manufacturing
cast resin dry-type solar transformers for utility-scale and commercial PV systems.
Designed for step-up and step-down applications, our transformers are eco-friendly, reliable, and customized for renewable energy projects worldwide.

Application Scenarios of Dry-Type Solar Transformers

Utility-Scale Solar Farms – Step up inverter output to 10kV or 20kV for grid connection.
Commercial & Industrial PV Projects – Stable power transformation for factories, data centers, and business parks.
Residential Solar + Storage – Safe and efficient step-down solutions for distributed solar systems.
Hybrid Renewable Systems – Integration with wind and energy storage applications.

сухие трансформаторы из аморфного сплава

Common Specifications of Dry-Type Solar Transformers

Parameter	Specification
Voltage Levels	6kV / 10kV / 20kV / 35kV
Power Ratings	50kVA – 5000kVA
Phase	Three-Phase
Insulation Class	F/H Epoxy Resin
Cooling Method	AN / AF
Efficiency	≥ 98%

Advantages of ZTELEC YUGUANG Dry-Type Solar Transformers

High safety with non-flammable epoxy resin insulation.
Eco-friendly, oil-free design with no leakage risk.
Reliable in humid, dusty, or harsh environments.
Optimized efficiency for solar PV grid connection.
Low maintenance and long service life.
Custom engineering for 20kV step-up applications.

Why Choose ZTELEC YUGUANG?

As a leading dry-type transformer manufacturer in China,
ZTELEC YUGUANG provides advanced step-up and step-down solar transformers
with strict quality control and international certifications.
We serve customers across Asia, Europe, Africa, and America with
cost-effective and high-performance solutions.