Energy Efficient 15kV 20kV Step Up Transformer 1250kVA Layer Winding Oil Immersed Type for Unstable Voltage Rural Grid and Long Distance Distribution
低損失設計、ディスク型銅巻線、ONAN 冷却を備えた 1250kVA 昇圧変圧器 (15kV/20kV)。鉱山や不安定な送電網などの過酷な環境向けに設計されています。安定した電圧変換、重負荷能力、カスタム電圧オプションを備えています。
15kV Step Up Transformer
,Long Distance Distribution Transformer
The 1250kVA 15kV 20kV Step-Up Oil-Immersed Transformer (Low Loss Design) is engineered for heavy-duty power transmission and voltage boosting applications in mining areas, industrial loads, and harsh environmental power systems.
Featuring a disc-type copper winding structure and optimized magnetic core design, it delivers efficient voltage conversion, stable output performance, and reduced energy loss under continuous high-load operation.
This model is widely applied in mining power systems, remote grid extension, heavy industrial sites, and unstable voltage regions requiring reliable step-up power transformation.
-
Low Loss High-Efficiency Design
Optimized core structure reduces no-load loss and improves long-term energy performance.
-
Heavy Load Capability
Designed for continuous operation under high current demand in mining and industrial environments.
-
Disc-Type Copper Winding Structure
Improves mechanical strength, heat dissipation, and short-circuit resistance.
-
Stable Step-Up Voltage Performance
Ensures reliable voltage conversion from 15kV to 20kV under fluctuating load conditions.
-
Rugged Design for Harsh Environments
Suitable for dust, heat, and outdoor exposure with reinforced tank protection and insulation system.
| Parameter | Specification |
|---|---|
| Rated Capacity | 1250 kVA |
| Type | Step-Up Transformer |
| Primary Voltage | 0.4kV |
| Secondary Voltage | 15 kV 20 kV |
| Phase | Three Phase |
| Cooling Method | ONAN |
| Frequency | 50 Hz / 60 Hz |
| Core Material | Cold-rolled silicon steel |
| Winding Type | Disc-type copper coil |
| Insulation Class | A / F |
| Impedance | 4.5% |
| Tap Changer | Off-circuit |
| Insulating Medium | Mineral oil |
| Tank Type | Sealed / Conservator type |
| Installation Type | Outdoor / Ground mounted |
In regions with unstable grid conditions, the following situations are common:
- Voltage fluctuation during peak load periods
- Unstable power supply in remote mining areas
- Equipment stress caused by inconsistent load distribution
- Reduced operational stability of downstream systems
- High-efficiency magnetic core supporting stable energy conversion
- Disc-type copper winding improving load adaptability
- Step-up voltage design ensuring consistent output transformation
- Reinforced insulation system supporting continuous operation
- ONAN cooling structure maintaining thermal balance under load
These design features help maintain stable power transmission in demanding operating environments.
This 1250kVA step-up transformer is suitable for:
- Mining power supply systems
- Heavy industrial power distribution
- Remote grid extension projects
- Construction and infrastructure power systems
- Oil field and energy extraction sites
- High-load mechanical operation zones
- Off-grid and unstable voltage regions
- Large-scale outdoor power transmission setups
-
Can this transformer operate under unstable voltage conditions?
Yes. The step-up design supports stable voltage conversion under fluctuating input conditions.
-
Is this transformer suitable for mining environments?
Yes. It is designed for heavy load operation and outdoor harsh conditions such as dust and temperature variation.
-
Can the voltage ratio be adjusted for different projects?
Yes. Voltage configuration and tap options can be adapted based on system requirements.
-
What cooling method is used?
ONAN (Oil Natural Air Natural) cooling is applied for stable thermal performance.
-
What testing is performed before use?
Standard electrical testing includes insulation test, ratio test, impedance check, and loss measurement.
-
Q6: Does it support long-distance power transmission systems?
Yes. It is suitable for step-up transmission in remote and heavy-load environments.
-
250kVA 10kV to 0.4kV Oil-Immersed Distribution Power Transformer for Rural Electrification
Factory Price S11 250kVA 10kV to 0.4kV Distribution Power Transformer for Rural Electrification Product Overview The Factory Price S11-250kVA 10kV to 0.4kV Distribution Power Transformer is a high-performance, three-phase oil-immersed unit specifically engineered for rural electrification and agricultural power grids . As an industry-standard step-down transformer, the S11 series balances cost-efficiency with exceptional reliability. Whether for remote village power supply,
-
IEC60076 High Efficiency 630kVA 10/0.4 Copper Winding Oil-Immersed Transformer With oil Conservator For Residential Electrical Applications Manufacturer
IEC60076 630kVA 銅巻線および ONAN 冷却付き石油変圧器。過酷な環境向けの高効率、漏れ防止設計、カスタマイズ可能なオプション。 1 年間の保証、家庭用および商業用アプリケーション向けの信頼性の高い電源。
-
Reliable 315kva transformer price Oil Immersed Distribution Transformer with Dust Resistant Sealing for African Conditions
アフリカの条件に適した防塵シール付きの 315kVA 油入変圧器。低損失 (480W 無負荷)、IEC/CE 認定、過酷な環境向けの強化された腐食保護が特徴です。
