Heavy duty 630 kva 3 phase transformer price 33/11 kV 11/0.4 kV copper winding oil immersed for agriculture irrigation and town distribution
農業灌漑および地方配電用の銅巻線を備えた 630kVA 三相油入変圧器。高い耐久性、安定した電圧出力、耐腐食性の密閉タンク、低エネルギー損失が特徴です。不安定なグリッド領域に最適です。
Oil Immersed 630 kva Transformer
,Agriculture Irrigation 630 kva Transformer
,Heavy duty 630 kva Transformer

Product Overview
This heavy-duty 630 kVA 3-phase oil-immersed transformer is purpose-built for agriculture irrigation stations, rural town distribution networks, industrial loads, and long-distance feeder lines.
With full copper windings, low-loss laminated cores, and a robust sealed tank structure, it ensures high efficiency, strong overload capacity, and stable performance in demanding field environments such as dust, heat, humidity, and unstable voltage supply.
Ideal for EPC contractors, distributors, utility projects, and hybrid energy systems requiring long-lasting and reliable distribution transformers.
Key Selling Advantages
- High-Durability Copper Windings
Ensures superior thermal performance, low load loss, and reliable operation for pumps and motors with frequent starts. - Excellent Voltage Stability
Designed for regions with fluctuating supply, delivering steady output to protect irrigation pumps, village loads, and commercial equipment. - Reinforced Outdoor Tank Structure
Corrosion-resistant, tightly welded, and sealed for minimal oil leakage and long service life in farmland or field installations. - Low Loss, High Efficiency Core
Grain-oriented silicon steel reduces energy consumption and enhances long-term operating efficiency. - Reliable for Continuous Duty
ONAN cooling system keeps temperatures stable during long irrigation cycles and daily peak-load operation.
Technical Specifications
| Category | Specification |
|---|---|
| Rated Capacity | 630 kVA |
| Voltage Ratio | 33/11 kV, 11/0.4 kV |
| Cooling Method | ONAN |
| Winding Material | Copper |
| Vector Group | Dyn11 |
| Frequency | 50/60 Hz |
| Insulation Class | Class A-F |
| Tap Changer | ±2×2.5% |
| Tank Type | Fully sealed, corrosion-resistant |
| Applications | Irrigation pumps, rural distribution, industry loads |
Grid Stability Challenges & Our Solutions (for Unstable Voltage Regions)
Challenge: Agriculture and rural distribution lines often suffer from voltage fluctuations, causing overheating, pump failures, and unstable supply for villages and farms.
Our Solution: This transformer is engineered with enhanced stability and durability:
- Stable Output Design: Maintains consistent voltage even when the input side fluctuates.
- High Overload Endurance: Copper windings and ONAN cooling ensure reliable performance during long irrigation cycles.
- Moisture & Heat Resistant Insulation: Suitable for hot climates, humid conditions, and outdoor installations.
- Tap Changer Adjustment: Allows field technicians to fine-tune voltage based on real grid conditions.
These features ensure reliable, safe, and long-term power supply for irrigation pumps, village loads, and small commercial facilities.
FAQs
- Q1: Can this transformer handle continuous operation for irrigation pumps?
Yes. It is designed for long operation cycles with strong thermal stability. - Q2: Is it suitable for regions with unstable voltage?
Absolutely. Its optimized design and tap changer ensure stable performance during voltage drops and fluctuations. - Q3: Do you support customization for utility or EPC project requirements?
Yes. We offer IEC-compliant customization based on grid codes and project specifications. - Q4: How is the transformer protected against harsh outdoor conditions?
The sealed, corrosion-resistant tank and reinforced bushings provide excellent resistance to humidity, dust, rain, and heat. - Q5: Can this transformer work with solar-diesel hybrid irrigation systems?
Yes. Its stable output and copper windings make it fully compatible. - Q6: What are the delivery options for urgent government or EPC projects?
Flexible production and priority scheduling are available for time-sensitive orders.
Contact us now for a competitive project quotation and technical support.

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