Through-Shaft Permanent Magnet Shaft Generator

The Through-Shaft Permanent Magnet Shaft Generator features an integrated through-shaft structural design with full coaxial integration, high transmission efficiency, and zero additional transmission loss. Compatible with standard shaft installation conditions of conventional vessels, it is the mainstream energy-saving power supply equipment for medium-to-large commercial vessels and work boats. The permanent magnet excitation design delivers both high-efficiency energy savings and stable power supply.

Core Technical Parameters

  • Quick Specs: 525–4580 KW · 400V/690V · 50/60 Hz · IP44+ · H-class Insulation
  • Voltage:400V, 690V marine low-voltage specifications; custom high-voltage marine models available
  • Power Range:525 KW – 4580 KW, suitable for medium-to-large vessel power configurations
  • Frequency:50 Hz / 60 Hz customizable, compatible with domestic and international vessel electrical standards
  • Protection Rating:IP44 and above — moisture-proof, salt-spray-proof, splash-proof
  • Excitation Method:Permanent magnet brushless excitation; adaptive voltage/frequency stabilization; maintenance-free operation
  • Insulation Class:H-grade marine-specific insulation — moisture-resistant, vibration-resistant, anti-aging
  • Installation Structure:Through-shaft coaxial integration; compatible with standard vessel main shaft dimensions
  • Operating Environment:High-humidity, high-salt-spray, strong-vibration marine conditions; wide operating temperature range of −30 °C to +55 °C
  • Certification:Compliant with full certification requirements of major classification societies

Product Features

  1. Zero-Loss Coaxial Direct Drive
    Through-shaft integrated structure with no additional transmission components — power transmission efficiency approaching 100%.
  2. Significant Energy Savings
    Generates power using the main engine’s surplus power, replacing diesel generator sets and substantially reducing vessel fuel consumption.
  3. Stable & Reliable Operation
    Adaptive speed compensation ensures continuous voltage and frequency stability during vessel navigation speed fluctuations.
  4. Compact Structure & Strong Adaptability
    Minimal cabin space footprint; easy installation; compatible with conventional vessel shaft layouts.
  5. Maintenance-Free Design
    Permanent magnet brushless structure with no wearing parts — extremely low failure rate during long-term marine operation.

Application Scenarios

Main and auxiliary / backup power supply systems for medium-to-large bulk carriers, container ships, ferries, and engineering work vessels during routine navigation.