630-8000kVA Photovoltaic Distribution Transformer 35kv-13.2kv Three Phase Output 220V380V110V

630–8000 kVA Photovoltaic (PV) Distribution Transformer

As global demand for renewable energy continues to rise, photovoltaic (PV) distribution transformers have become essential equipment in solar power stations. ZTelec Electric, with more than 60 years of engineering experience, provides high-efficiency, grid-compatible, and long-life PV transformers designed for modern solar applications. Available capacities include 630–8000 kVA, with customizable primary voltages such as 35 kV, 13.2 kV, and other combinations, and three-phase low-voltage outputs including 220V, 380V, and 110V. Both oil-immersed and dry-type configurations are supported.

Key Application Scenarios

Utility-Scale Solar Farms
Installed between central inverters and medium-voltage grids to boost low voltage to MV levels.

Commercial & Industrial PV Plants
Suitable for factories, industrial areas, and energy-intensive facilities requiring stable power output.

Distributed Rooftop Solar Systems
Compact pad-mounted PV transformers available for space-limited rooftop applications.

PV + Energy Storage Hybrid Systems
Supports bidirectional power flow and BESS integration to improve energy dispatch and stability.

Desert, Plateau, and Coastal Solar Projects
Optional anti-corrosion coatings, high-altitude designs, and harsh-environment configurations.

Advantages of ZTelec Electric PV Transformers

High Efficiency & Low Loss
Optimized magnetic core structure that meets IEC and DOE efficiency standards and reduces long-term operating costs.

Excellent Temperature Control
Available in oil-immersed and dry-type cooling systems, suitable for hot climates and 24/7 continuous operation.

Strong Short-Circuit Resistance
Enhanced winding structure ensures stability during current surges and grid fluctuations.

Long Service Life
Premium insulation materials such as DMD, NOMEX, and densified wood provide excellent moisture and thermal resistance.

Flexible Voltage Customization
Primary voltage options include 35 kV, 33 kV, 13.2 kV, 11 kV, 10 kV, and more, with multi-output LV for special equipment.

Complete Factory Testing
Includes partial discharge, heat run, induced voltage withstand, ratio test, impedance test, and other routine tests.

Manufacturer Advantage – ZTelec Electric
Over 60 years of transformer production, ISO9001/IEC/CE certifications, OEM/ODM capability, and global delivery to Europe, USA, Australia, Southeast Asia, and the Middle East.

Example Project Cases

Case 1 – 20 MW Solar Farm, Queensland, Australia
Transformer: 2500 kVA 35 kV oil-immersed PV transformer
Cooling: ONAN
Special feature: High-corrosion-resistant coating for coastal conditions
Result: 99.1% operational availability after 18 months of grid operation

Case 2 – 50 MW PV + ESS Hybrid Plant, Telangana, India
Transformer: 6300 kVA 33 kV dry-type PV transformer
Customization: Low temperature rise and high-humidity protection
Result: Stable performance in high ambient temperature environments (up to 48°C)

Why Choose ZTelec Electric?

Direct manufacturer offering factory-price supply and fast delivery.

ISO-certified production lines and strict quality control.

Experienced engineering team for PV system design and technical support.

Professional global after-sales service and 100% pre-shipment testing.

Custom packaging, installation guidance, and long-term maintenance support.

The 630–8000 kVA photovoltaic distribution transformer from ZTelec Electric is engineered to meet the demanding requirements of utility-scale, commercial, and industrial solar power systems. Featuring wide voltage options, high efficiency, strong reliability, and full customization, it is an ideal choice for modern PV projects.

If you need a transformer for your next solar installation, ZTelec Electric offers professional design, manufacturing, testing, and export services.

Common Specifications (Standard & Custom Options)

All models can be fully customized according to PV plant capacity, grid code, installation environment, and project requirements.