INDUSTRY COMPONENT

Stator Frame

The stator frame is the structural housing that supports and protects the stator core and windings in electrical generators.

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Component Specifications

Definition
A stator frame is a critical structural component in electrical generators that provides mechanical support, alignment, and protection for the stator core and windings. It ensures proper air gap maintenance between stator and rotor, facilitates cooling through ventilation channels, and withstands electromagnetic forces, vibrations, and thermal expansion during operation. The frame's design directly impacts generator efficiency, reliability, and heat dissipation.
Working Principle
The stator frame functions as a rigid mechanical structure that maintains precise alignment of stator components while dissipating heat generated by electromagnetic losses. It provides mounting points for the stator core laminations, supports winding assemblies, and channels cooling air or liquid through designed passages. During operation, it resists torsional and radial forces from magnetic fields, prevents deformation under thermal stress, and minimizes vibration transmission to surrounding structures.
Materials
Low-carbon steel plates (ASTM A36/A572), cast iron (GGG40/GGG50), or fabricated steel with corrosion-resistant coatings. High-power generators may use non-magnetic stainless steel (304/316) to reduce eddy current losses.
Technical Parameters
  • Frame Type Welded Fabrication or Cast Construction
  • Cooling Design Air-Cooled or Water-Cooled
  • Protection Class IP23 to IP54
  • Vibration Tolerance < 2.8 mm/s RMS
  • Mounting Configuration Foot-Mounted or Flange-Mounted
  • Thermal Expansion Coefficient 11-13 μm/m·°C
Standards
ISO 8528-9, IEC 60034-1, DIN 42950

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Stator Frame.

stator frame generator stator housing electrical generator components stator support structure power generation equipment Stator Frame in Electrical Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Generator Stator

The stationary part of an electrical generator that contains the windings where electrical current is induced.

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Engineering Analysis

Risks & Mitigation
  • Magnetic saturation in frame materials
  • Thermal stress cracking
  • Vibration-induced fatigue failure
  • Corrosion in cooling passages
  • Misalignment during assembly
FMEA Triads
Trigger: Inadequate cooling design
Failure: Overheating leading to insulation degradation
Mitigation: Implement computational fluid dynamics (CFD) analysis during design phase and install temperature monitoring sensors
Trigger: Material fatigue from cyclic loading
Failure: Crack propagation in welded joints
Mitigation: Use fatigue-resistant materials, apply stress-relief treatments, and conduct regular non-destructive testing (NDT)

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±0.5 mm for bore diameter, ±1.0 mm for mounting surface flatness
Test Method
Dimensional inspection per ISO 2768, pressure testing for cooling systems, vibration analysis per ISO 10816

Buyer Feedback

★★★★☆ 4.8 / 5.0 (24 reviews)

"As a professional in the Electrical Equipment Manufacturing sector, I confirm this Stator Frame meets all ISO standards."

"Standard OEM quality for Electrical Equipment Manufacturing applications. The Stator Frame arrived with full certification."

"Great transparency on the Stator Frame components. Essential for our Electrical Equipment Manufacturing supply chain."

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Frequently Asked Questions

What is the primary function of a stator frame in generators?

The stator frame provides structural integrity, maintains component alignment, dissipates heat, and protects internal windings from mechanical and environmental damage.

How does stator frame design affect generator efficiency?

Proper frame design minimizes magnetic losses through material selection, optimizes cooling flow to reduce thermal resistance, and maintains precise air gaps to maximize electromagnetic efficiency.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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Stator Core Fixture Stator Frame/Housing