Marine Dry-Type Transformer | CEEG Transformer

CEEG Marine Dry-Type Transformer

Adopts a dry-type structure and high-reliability casting process, featuring moisture resistance, salt fog resistance, mold resistance, and excellent vibration resistance. It has low partial discharge levels and meets long-term marine operation conditions and relevant classification society requirements.

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180-1334-5718

Scope of application

Shipboard Power Distribution

Cargo ships, oil tankers, cruise ships, etc., focusing on vibration resistance and insulation reliability

Shore Power Systems

Port shore power systems, emphasizing stable power supply and low partial discharge

Offshore Engineering Equipment

Supporting equipment for offshore platforms, focusing on moisture and mold resistance

Product Description

1 High-quality silicon steel sheets with high magnetic permeability are selected and processed using a multi-step step-lap stacking technique, achieving lower no-load losses and improved energy efficiency.

2 First in China to adopt a Nomex paper insulation system, specifically designed for shipboard and offshore platform transformers, providing excellent insulation performance and reliability.

3 The core can be manufactured using two advanced processes: VPI (Vacuum Pressure Impregnation) or epoxy resin vacuum casting, meeting different environmental and performance requirements.

4 All fasteners and exposed conductive parts are specially treated to fully meet stringent requirements for moisture resistance, salt fog resistance, and mold resistance.

5 A uniquely designed enclosure with an integrated waterproof groove, offering protection up to IP44, ensuring safe operation in harsh environments.

6 A hybrid cooling system combining air cooling and water cooling, delivering excellent heat dissipation performance and strong overload capability.

Product Features

Modular Enclosure

The cabinet adopts a modular design, allowing easy disassembly and quick installation.

Noise Reduction

A through-core bolt structure is used to effectively reduce operating noise, achieving significant noise reduction performance.

45° Cold-Rolled Silicon Steel

The core is made of high-quality cold-rolled silicon steel sheets, precisely stacked at a 45° full mitre angle to ensure high efficiency performance.

Special Process

The coils are treated with multiple varnish impregnation processes, further improving moisture resistance, corrosion resistance, and mold resistance.

Cable Gland Design

Cable glands are installed on the transformer tank for cable entry and exit. The position can be arranged on the left or right side.

Moisture & Salt Fog Resistance

Coils and insulation components are specially treated for harsh marine environments with high humidity and salt fog, ensuring longer service life and reliable operation.

Implementation Standard

IEC 60076 Power transformers standard

IEC 61892 Electrical installations in ships and offshore units

ISO 8846 Ignition protection for marine electrical equipment

GB/T 6451 Technical requirements for three-phase oil-immersed power transformers

GB/T 25499 Technical requirements for marine transformers

Technical Advantages

R&D Cloud Platform

An integrated digital platform combining electromagnetic optimization design, parametric modeling, performance analysis, structural optimization, and automatic drawing generation. It enables transformer design resource sharing and efficient data management, including search, modification, and version control.

Simulation Analysis

Comprehensive multi-physics simulation covering fluid flow, thermal field, electric field, leakage magnetic field, transient processes, and short-circuit forces. Each transformer series is optimized through thermal and flow analysis to accurately control winding temperature rise and hotspot distribution, ensuring reliable and stable performance.

Smart Operation & Maintenance Platform

By collecting key data such as temperature, current, voltage, vibration, and grid harmonics, the system enables real-time power quality analysis and fault alarms. It also supports mobile access for remote monitoring and intelligent O&M management.

Temperature	25°C ~ 45°C
Humidity	Relative humidity ≤95%
Vibration and Shock	Capable of normal operation under vibration and shock conditions
Rolling Angle	≤22.5°
Inclination Angle	≤15°