300kVA Oil Filled Transformer

300kVA Oil Filled Transformer

‌Model‌: Series S
‌Capacity‌: 300kVA Oil Filled Transformer
‌Voltage/Frequency‌: 11kV/33kV, 50Hz/60Hz
‌Type‌: Oil immersed power transformer
‌Certifications‌: ISO 9001, SGS
‌Advantages‌: Superior heat dissipation, extended lifespan, low-noise operation. Ideal for industrial applications requiring a three phase oil immersed transformer.
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Henan GNEE Electric Co., Ltd. is one of the most reliable manufacturers and suppliers of 300kva oil filled transformer in China. If you're going to buy customized 300kva oil filled transformer made in China, welcome to get quotation from our factory. Quality products and reasonable price are available.

 

 

Key Features of 300kVA Oil Filled Transformer

 

The 300kVA Oil Filled Transformer is engineered for high-voltage power systems as a three phase oil immersed transformer. Utilizing advanced oil immersed power transformer technology, it guarantees stable power delivery and high-efficiency energy conversion. Key benefits include:

Hermetically sealed structure for moisture/corrosion resistance in harsh outdoor environments.

SGS-certified eco-friendly insulating oil ensuring safety and zero pollution.

Compatibility with 11kV/33kV multi-voltage standards for global grid integration.
This 300kVA transformer reliably powers industrial facilities, mining operations, and renewable energy projects.

product-407-392

 

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Products parameter

 

315kVA Step up Step Down Oil Immersed Transformer

 

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Core Components & Installation Guidelines

 

product-789-472

Core Components‌:

 

Core & Windings‌: Silicon steel core minimizes eddy current loss; copper windings enhance conductivity.

Tank & Cooling System‌: Sealed tank houses dedicated insulating oil for three phase oil immersed transformers, paired with radiators/cooling fans.

Protective Devices‌: Oil level gauge, pressure relief valve, and temperature monitors.

 

Installation Notes‌:

Ensure level foundation to prevent vibration during 300kVA Oil Filled Transformer operation.

Verify oil level and sealing integrity of the oil immersed power transformer to prevent leaks.

Balance three-phase connections and maintain adequate maintenance clearance.

Conduct mandatory 72-hour no-load test before initial operation.

 

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315kVA Step up Step Down Oil Immersed Transformer

 

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Why choose us?

 

 

GNEE Group:

Global Transformer Supply Chain Integration Expert (2008 - Present)

 

GNEE has a strong presence in global markets, particularly in Southeast Asia. To date, we have delivered over 50,000 transformers, which are widely used in renewable energy (BESS, solar, wind), public utilities, data centers, and the oil and gas industries. The company operates three major production bases in Shijiazhuang, Xingtai, and Anyang in China, covering a total area of 20,000 square meters. With a professional team of over 200 members, we leverage local supply chain advantages and maintain an inventory of more than 500 units to ensure rapid response to customer needs.

 

315kVA Step up Step Down Oil Immersed Transformer

SGS certification certificate

315kVA Step up Step Down Oil Immersed Transformer

 

Our factory

315kVA Step up Step Down Oil Immersed Transformer

 

FAQ
 

Q1: Why should I choose an oil immersed transformer over other types?

A: Oil immersed transformers (OIT) excel in high-voltage applications due to their oil immersed transformer design, which ensures superior insulation and heat dissipation. This reduces energy losses, improves efficiency, and guarantees safety in industrial environments.

Q2: What voltage ranges do oil immersed transformers typically handle?

A: The oil immersed transformers in our S11-20 Series support 6–10kV (high-voltage side) and 0.4kV (low-voltage side). These are ideal for industrial facilities requiring stable power distribution across medium-to-high-voltage systems.

Q3: How does an oil immersed power transformer ensure reliability in harsh environments?

A: The oil immersed power transformer uses a hermetically sealed tank and epoxy-resin insulated terminals, protecting against moisture and contaminants. This extends lifespan and maintains performance in extreme temperatures.

Q4: Is the oil immersed distribution transformer suitable for outdoor use?

A: Yes! The oil immersed distribution transformer's sealed design and corrosion-resistant casing make it durable for outdoor installations. It also meets 50/60Hz frequency adaptability for global projects.

 

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