
Improving availability &
performances of hydroelectric
generators
through innovation
IMPROVEMENT OF PERFORMANCES AND REDUCTION OF OVERHEATING
Generator cooling can often be significantly optimized, particularly on older machines, with several targets:
- Recover the rated output of the machine, when it is limited by excessive temperatures
-
Increase the power of the group when the turbine allows it
- Improve the efficiency of the generator

BH2M develops ventilation kits for machines limited in output due to excessive temperatures or for machines with a potential power increase.
As part of projects to increase the power of groups, BH2M offers a "turnkey" solution: studies, supply of components and installation on site.
The system has been optimized by using CFD* analysis to ensure a high level of carbon dust extraction. BH2M solution can be implemented on all electrical machines equipped with brushes. * CFD : Computational Fluid Dynamics
SIGNIFICANT BENEFITS ENSURING AVAILABILITY AND PERFORMANCE OF YOUR MACHINES
QUICK INTERVENTION & CUSTOMIZED STUDIES
- In most cases, these improvements can be achieved thanks to minor modifications with a limited generator downtime
- A specific analysis must be performed, influenced by the rotation speed of the units, the ventilation scheme, required operating
conditions (range of voltage, power factor) in order to define the most appropriate technical options and the possible improvements







