3150 kVA 20kV/0.4kV Oil-Immersed Transformer with Oil Conservator – 3.15 MVA Outdoor Distribution Transformer
Ürün Özetleri
Endüstriyel ve kamu hizmetlerinde kullanım için yağ koruyuculu 3150 kVA yağlı transformatör (20kV/0,4kV). Alüminyum sargılara, Dyn11 bağlantısına, C4/C5 korozyon korumasına ve IEC standartlarına sahiptir. Güçlü aşırı yük kapasitesine sahip yüksek sıcaklıktaki ortamlar için tasarlanmıştır.
Anahtar Nitelikler
Marka Adı:
HENTG POWER
Model Numarası:
S11-3150
Menşe Yeri:
Çin
Sertifikasyon:
CE, ISO9001, IEC
Adedi:
1
Tedarik Yeteneği:
300-500MVA
Teslimat süresi:
20-30 gün
Ödeme Koşulları:
L/C,T/T
Standart paketleme:
Su geçirmez plastik film
Ürün Özel Nitelikleri
Vurgulamak
3150 kVA Oil-Immersed Transformer
,20kV/0.4kV Distribution Transformer
,Oil Conservator Power Transformer
Nominal kapasite:
3150KVA Yağa batırılmış OG YG trafosu
Gerilim Oranı:
YG/AlG: 20kV/0,4kV
Musluk Aralığı:
± 2 ×% 2.5
Kısa devre empedansı:
% 6
Bağlantı grubu etiketi:
Dyn11
Nominal Frekans:
50Hz
Sargı Malzemesi:
tüm alüminyum
Yağ Kutusu Tuz Püskürtme Koruma Derecesi:
C3/C4/C5
Trafo yağı koruyucu:
Evet
Garanti:
1 Yıl
Ürün Açıklaması
Product Overview
The HENTG POWER 3150 kVA 20kV/0.4kV Three-Phase Oil-Immersed Transformer is engineered for medium voltage power distribution in demanding industrial environments including manufacturing plants, mining operations, substations, and utility networks.
This 3.15 MVA oil-filled transformer with integrated oil conservator tank ensures reliable performance in high-temperature and heavy-load conditions. Manufactured to IEC standards, it delivers low loss performance, robust overload capacity, and extended service life for outdoor installation in hot, dusty regions.
HENTG POWER-Your power engineer
Key Features & Specifications
- Rated Power: 3150 kVA / 3.15 MVA
- Voltage Ratio: 20kV / 0.4kV (customizable)
- Three-Phase Oil-Immersed Construction
- Integrated Oil Conservator Tank
- ONAN Cooling System
- Optimized for High Ambient Temperature Operation
- Low No-Load & Load Loss Design
- Enhanced Short-Circuit Withstand Capability
- Outdoor Heavy-Duty Structure
- 25+ Year Design Life
- IEC Standard Manufacturing
Technical Specifications
| Parameter | Specification |
|---|---|
| Rated Capacity | 3150 kVA |
| High Voltage | 20 kV |
| Low Voltage | 0.4 kV (400 V) |
| Frequency | 50 Hz / 60 Hz |
| Vector Group | Dyn11 (customizable) |
| Cooling Method | ONAN (Oil Natural Air Natural) |
| Installation Type | Outdoor / Ground Mounted |
| Insulation Class | Class A |
| Winding Material | High conductivity copper or aluminum |
| Core Material | High-grade silicon steel for reduced core loss |
| Tap Changer | Off-load tap changer ±2×2.5% or ±5% |
Standard Accessories
- Buchholz relay
- Pressure relief valve
- Oil temperature indicator
- Winding temperature indicator (optional)
- Magnetic oil level gauge
- Drain and sampling valve
- Lifting lugs and pulling eyes
Applications
- Mining operations
- Cement factories
- Manufacturing plants
- Government infrastructure projects
- Utility substations
- Rural electrification programs
- Oil & gas facilities
Solutions for West Africa & Hot Regions
High Ambient Temperature (40-50°C)
Many West African countries experience extreme heat which accelerates insulation aging and reduces transformer life.
Our Solution: Optimized cooling design, increased oil volume, and controlled temperature rise ensure stable operation under high ambient conditions.
Grid Voltage Fluctuation & Overload
Unstable grid and sudden load changes are common in developing regions.
Our Solution: Strong short-circuit withstand design and stable voltage regulation. Tap changer allows adaptation to grid voltage variation.
Dust & Harsh Outdoor Conditions
Dust accumulation affects heat dissipation and long-term reliability.
Our Solution: Sealed tank structure, reinforced gasket system, and durable external coating protect the transformer from dust ingress and corrosion.
Limited Maintenance Resources
Remote industrial and mining sites have limited technical maintenance teams.
Our Solution: Low-loss core reduces heat stress. High-quality materials and strict factory testing reduce failure rate and maintenance frequency.
Frequently Asked Questions
Can this transformer operate at 45-50°C ambient temperature?
Yes. It is specifically designed for high-temperature environments common in West Africa.
Is it suitable for mining or heavy industrial use?
Yes. The 3150 kVA transformer is ideal for mining operations, cement plants, and large manufacturing facilities.
Can voltage be customized to 33kV or other levels?
Yes. Voltage ratio can be customized based on your local grid requirements and specifications.
Does it comply with international standards?
Yes. We manufacture according to IEC standards and provide complete factory test reports.
What is the typical delivery time?
Typically 30-45 days depending on specifications and order quantity.
Do you provide technical support for projects?
Yes. We provide comprehensive technical documentation, engineering drawings, and remote technical support.
About HENTG POWER
HENTG POWER is a professional transformer manufacturer specializing in oil-immersed transformers, dry-type transformers, and medium voltage distribution equipment. With extensive experience exporting to Africa, Southeast Asia, and the Middle East, we support industrial and utility projects worldwide.
Our Technical Strengths
- Advanced transformer design engineering
- Strict quality control system
- Complete routine and type testing
- IEC standard compliance
- Custom-made voltage solutions
- Reliable export packaging and logistics
We focus on long-term reliability, stable performance, and lifecycle cost optimization — delivering value beyond initial price. HENTG POWER - Reliable Power Solutions for Global Projects.
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