Pitch Backup Module PBS3 with Lithium-Ion Storage Batteries
- Developed by OAT in 2005 as a revolutionary backup system into series production, it nowadays represents a well-established unit in our systems
- The lithium-ion technology permitted a weight and volume reduction of approx. 40 % to earlier backup systems
- There is no need for a separate battery box
- Integrated reliable monitoring of all voltages and status management at all times
Pitch Backup Module UCM with Ultracapacitors
- Maintenance-free ultracapacitors
- Energy storage with monitoring
- Integrated rapid charge function in PMM
- Charging time <60 sec
- Full 600V intermediate circuit voltage even with partial discharged ultracap modules based on integrated booster
- Monitoring of capacity and charge status without service interruption of the wind turbine
