Russian Customers Visit GNEE To Discuss Customization Of 750 KVA Oil-Immersed Transformers

GNEE Electric recently welcomed a delegation of Russian customers from the photovoltaic (solar energy) industry to its production base for an in-depth visit and technical exchange. The visit focused on the customization of 750 kVA oil-immersed transformers for solar power projects, covering factory inspection, product discussions, and commercial negotiations.

As a professional transformer manufacturer and exporter, GNEE Electric continues to strengthen its global partnerships by delivering reliable, energy-efficient, and customized transformer solutions tailored to renewable energy applications.

The visiting Russian customers are engaged in large-scale photovoltaic (PV) power plant development and operation, where stable and efficient power transformation is critical.

In solar energy systems, transformers must handle:

• Fluctuating power generation
• Outdoor installation environments
• High temperature and harsh climate conditions

The purpose of this visit was to evaluate GNEE's manufacturing capabilities and discuss a customized solution for 750 kVA oil-immersed transformers suitable for PV applications.

During the initial meeting, GNEE introduced its corporate strength, production capacity, and international certifications.

Manufacturing Strength

• Over 18 years of transformer manufacturing experience
• Modern production base with advanced automation equipment
• Annual production capacity covering thousands of distribution transformers
• Strong OEM & ODM customization capabilities

Certifications and Standards

GNEE transformers comply with multiple international standards:

• ISO 9001 Quality Management System
• IEC International Electrotechnical Commission standards
• CE certification for European markets

These certifications ensure that GNEE products meet the strict requirements of global markets, including Russia's technical standards.

Certification display 

A key part of the visit was the technical discussion on 750 kVA oil-immersed transformer customization for solar applications.

Proposed Technical Specifications

1. Transformer Design for PV Systems

GNEE engineers proposed optimized designs to handle fluctuating solar output, ensuring stable voltage transformation.

2. Insulating Oil Treatment

Advanced vacuum oil filling and filtration technology was introduced to:

• Improve dielectric strength
• Remove moisture and gas
• Extend transformer lifespan

3. Loss Reduction and Energy Efficiency

Low-loss core materials and optimized winding design help reduce operational costs, especially important for solar plants operating continuously.

4. Protection and Environmental Adaptability

Customized anti-corrosion coating and sealed structure ensure reliable operation in:

• Cold climates
• Dusty environments
• Outdoor installations

The Russian delegation conducted a comprehensive inspection of GNEE's production and quality control processes.

Workshop and Production Line

Customers visited:

• Core cutting and stacking workshop
• Automatic winding production line
• Assembly and tank fabrication area

Testing Laboratory and Equipment

The delegation reviewed GNEE's testing capabilities, including:

• Transformer ratio testing
• Insulation resistance testing
• Load and no-load loss testing
• Temperature rise testing

Vacuum Drying Process

Particular attention was given to the vacuum drying and oil filling process, which ensures:

• High insulation reliability
• Moisture removal
• Enhanced transformer durability

The customers highly appreciated GNEE's strict quality control and advanced production technology.

Following the technical discussions, both parties moved into detailed project negotiations regarding commercial and logistical aspects.

Key Topics Discussed

• Delivery Time: Optimized production schedule to meet project deadlines
• Packaging: Export-standard wooden cases and moisture-proof protection
• Transportation: Sea freight solutions for Russia with secure loading
• Payment Terms: Flexible and mutually agreed payment methods
• After-Sales Service: Technical support, installation guidance, and warranty services

GNEE demonstrated its ability to provide end-to-end service, from manufacturing to delivery and after-sales support.

The visit concluded with significant progress in cooperation between both parties.

Key Achievements

• Reached preliminary cooperation intention
• Signed a Letter of Intent (LOI)
• Confirmed transformer specifications and customization requirements

Determined initial order plan including:

• Model: 750 kVA Oil-Immersed Transformer
• Application: Solar Power Plant
• Quantity: Multiple units for phased project deployment

The Russian customers expressed strong confidence in GNEE's technical capabilities, product quality, and project execution ability.

Group photo of Russian customers and GNEE team after signing LOI.

This successful visit highlights GNEE Electric's growing influence in the global renewable energy sector. By providing customized 750 kVA oil-immersed transformers tailored for photovoltaic applications, GNEE helps customers overcome challenges such as voltage fluctuation, environmental stress, and long-term operational efficiency.

From factory inspection to technical exchange and final agreement, GNEE once again demonstrated its professionalism, manufacturing strength, and commitment to customer satisfaction.

Request A Quote

If you are developing a solar or industrial power project, contact GNEE today to get customized transformer solutions, expert technical support, and a competitive quotation for high-performance oil-immersed transformers

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