WEG Brushless Excitation System – Parallel Diode Redundancy for 2-Pole Generators
This brochure from WEG Electric Machinery highlights the design and benefits of brushless excitation systems for 2-pole turbine generators. Featuring parallel diode redundancy and over a century of engineering expertise, these systems deliver maximum reliability, simplified maintenance, and efficient operation.
Key Points
- Eliminates brushes, collector rings, and carbon dust, reducing maintenance needs.
- Shaft-driven permanent magnet pilot exciter removes reliance on bulky transformers or station batteries.
- Field ground detection without slip rings, ensuring improved reliability.
- Over 500 units installed worldwide, supported by more than a century of WEM design experience.
- Provides 100% parallel redundant diodes for continuous service even during diode failure.
- Simplified installation with no heavy bus work or external cable connections required.
- Short circuit sustaining capability for robust fault current support.