Alternator Salient Pole Rotor

  • Design Type: Projected laminated poles mounted on a solid or spider shaft.
  • Pole Count: 4–128 poles for low-speed alternators.
  • Pole Construction: Laminated pole bodies with copper or aluminum excitation windings.
  • Rotor Diameter Range: 200–2500 mm (custom).
  • Cooling Type: Air-cooled, salient pole ventilated design for thermal stability.

Technical Specifications

Parameter Specification
Rotor Type Salient Pole (Laminated)
Pole Count 4 – 128
Material Non-oriented Silicon Steel / Iron Alloy
Lamination Thickness 0.3 – 0.5 mm
Rotor Diameter 200 – 2500 mm
Speed Range ≤ 1500 RPM
Winding Type Copper/Aluminum Field Windings
Insulation Class B / F / H
Cooling Method Air/Hydrogen/Water-Cooled
Balancing Grade ISO G2.5
Applications Synchronous Alternators, Hydro Generators, Wind Turbines

Customization & OEM Service

  • Rotor diameter, pole number, and shaft length design.
  • Material and lamination thickness per magnetic requirement.
  • Field winding configuration and excitation voltage customization.
  • Keyway, cooling duct, and pole shoe profile design.
  • Prototype support for alternator manufacturers.
  • OEM assembly and balancing service with export packaging.

Application Fields

  • Hydroelectric alternators and generators
  • Diesel and gas engine-driven alternators
  • Marine propulsion and shipboard power generation
  • Wind turbine alternator systems
  • Industrial synchronous generators for power stations

Production Process

Mold Manufacturing
Mold Manufacturing
Stator and Rotor Lamination Stamping
Stamping
WEDM-LS
WEDM-LS
Stator and Rotor Lamination Stacking
Stacking(Optional)
Stator and Rotor Quanlity Control
Quanlity Control
Stator and Rotor Core Packing & Shipping
Packing & Shipping

Advanced Workshop

Mould Workshop
Mould Workshop
Stator and Rotor Lamination Stamping Workshop
Stamping Workshop
Slow Wire Cutting Workshop
Slow Wire Cutting Workshop
Winding Workshop
Winding Workshop
Automatic Production Line for Motor Stators
Stator Automated Production Line
Automated Production Line for Motor Rotors
Rotor Automated Production Line

Partners

  • SIEMENS ABB ALSTOM BYD SAIC CRRC SIEMENS ABB ALSTOM BYD SAIC CRRC
  • GAC Group GREE HONGQI HOZON AUTO INNOMOTICS Li Auto GAC Group GREE HONGQI HOZON AUTO INNOMOTICS Li Auto
  • CSIC FAW SHACMAN WULING YUTONG CSIC FAW SHACMAN WULING YUTONG CSIC FAW
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