HENTG POWER 1500 kVA 35kV/0.415kV Oil-Immersed Transformer with ONAN Cooling for Reliable Power Distribution
Produktübersicht
1500-kVA-Öltransformator für die 35-kV-/0,415-kV-Verteilung. ONAN-Kühlung, IEC-Standards, Korrosionsschutzdesign für den Einsatz an der Küste/in großer Höhe. Anpassbar auf 33 kV mit verlustarmer Leistung.
Wesentliche Eigenschaften
Markenname:
HENTG POWER
Modellnummer:
S11-1500 35/0,415
Herkunftsort:
China
Zertifizierung:
CE, ISO9001, IEC
Mindestbestellmenge:
1
Lieferzeit:
20-30 Tage
Zahlungsbedingungen:
L/C, T/T
Produktanpassungsattribute
Hervorheben
1500 kVA Oil-Immersed Transformer
,35kV/0.415kV Power Transformer
,ONAN Cooling Distribution Transformer
Nennkapazität:
Transformator für die Verteilung von 1500 kVA
Spannungsverhältnis:
Hochspannung/Niederspannung: 35 kV/0,415 kV
Tap Range:
± 2 × 2,5%
Kurzschlussimpedanz:
6 %
Bezeichnung der Verbindungsgruppe:
Dyn11
Nennfrequenz:
50Hz
Produktbeschreibung
Product Overview
The HENTG POWER 1500 kVA 35kV/0.415kV Three-Phase Oil-Immersed Transformer delivers reliable medium voltage power distribution for industrial plants, commercial facilities, substations, and infrastructure projects. This 1.5 MVA oil-filled transformer with ONAN cooling system is engineered for 35kV or 33kV distribution networks, stepping down voltage to 415V for low-voltage applications.
Manufactured to IEC standards, this outdoor distribution transformer provides stable voltage output, low loss performance, and extended service life, making it ideally suited for Ghana's coastal, high humidity, and high altitude environments.
Key Features & Benefits
- Rated Power: 1500 kVA / 1.5 MVA
- Voltage Ratio: 35kV / 0.415kV (customizable to 33kV)
- Three-Phase Oil-Immersed Construction
- ONAN Cooling System
- Low No-Load & Load Loss
- Strong Short-Circuit Withstand Capacity
- Designed for Coastal & High Humidity Areas
- Suitable for High Altitude Installation
- Outdoor Ground Mounted Design
- IEC Standard Manufacturing
Technical Specifications
| Rated Capacity | 1500 kVA |
| High Voltage | 35 kV (33 kV optional) |
| Low Voltage | 0.415 kV (415 V) |
| Frequency | 50 Hz |
| Vector Group | Dyn11 (or as required) |
| Cooling Method | ONAN (Oil Natural Air Natural) |
| Installation | 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% |
| Impedance Voltage | As per IEC standard or project requirement |
| Oil Type | Mineral insulating oil (FR3 optional) |
Standard Accessories
- Buchholz relay
- Pressure relief valve
- Oil level indicator
- Oil temperature indicator
- Silica gel breather
- Drain valve
- Lifting lugs
Surface Treatment
Sand blasting, anti-corrosion primer, double-layer weather-resistant top coating. Specifically designed for coastal salt air conditions.
Applications
Utility substations, government infrastructure projects, mining sites, cement plants, commercial complexes, industrial factories, and renewable energy grid connection.
Ghana Market Solutions
Coastal High Humidity & Salt Corrosion
Ghana's coastal regions experience high humidity and salt air, accelerating rust and corrosion.
Enhanced anti-corrosion coating system and reinforced tank sealing structure prevent moisture ingress and corrosion damage.
High Altitude Installation (Mining Areas)
Certain inland mining areas have higher altitude, affecting cooling efficiency.
Optimized cooling design and adjusted temperature rise margins ensure safe operation in high altitude environments.
Unstable Grid & Voltage Fluctuation
Voltage fluctuation is common in developing distribution networks.
Off-load tap changer allows voltage adjustment. Strong short-circuit design improves grid stability performance.
High Ambient Temperature
Operating temperatures often reach 40°C.
ONAN cooling system with optimized oil circulation ensures stable temperature rise control and longer insulation life.
Limited Maintenance Resources
Some project sites have limited technical support.
Low-loss design reduces thermal stress. High-quality materials extend service life and reduce maintenance frequency.
Frequently Asked Questions
Can this transformer be used in Ghana's 33kV network?
Yes. The transformer can be customized to 33kV or 35kV according to local grid requirements.
Is it suitable for coastal installation?
Yes. It is designed with anti-corrosion coating and sealed structure for high humidity and salt air.
Can it operate under 40-45°C ambient temperature?
Yes. It is engineered for tropical climate conditions.
Do you provide full technical documentation for EPC projects?
Yes. We provide GA drawings, wiring diagrams, test reports, and nameplate details.
What is the delivery time?
Normally 30-45 days depending on final technical specification.
Can distributors get OEM support?
Yes. We support branding, customized nameplate, and long-term distributor cooperation.
About HENTG POWER
HENTG POWER is a professional transformer manufacturer specializing in oil-immersed transformers, dry-type transformers, and medium voltage distribution equipment. We export to Africa, Southeast Asia, and the Middle East, supporting government projects, EPC contractors, and local distributors.
Manufacturing Strength
- Advanced transformer design engineering team
- Modern production workshop
- Strict quality control process
- Complete routine testing before shipment
- IEC standard compliance
- Custom voltage and project solutions
Annual production capacity covers small distribution transformers up to large power transformers for industrial applications.
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