Yes. According to a query on Zhihu, during hydrogen generator operation, sparking in the exciter carbon brush is a common failure of the excitation system. The occurrence of this fault will seriously affect the life of equipment related to the excitation system, such as collectors, exciters, etc., to a certain extent. Therefore, bypassing the carbon brushes of the hydrogenerator will affect the excitation system.
Analysis of the causes of carbon brush burnout
Carbon brush burnout develops from the initial spark of the carbon brushes. There are several reasons why the carbon brush may spark:
1. The surface of the slip ring, brush, brush holder and brush holder is dirty;
2. The brush holder is stuck. Spring pressure is uneven;
3. The unit's shaft system vibrates stronglynt, causing the slip ring to vibrate together.
For the above reasons, some carbon brushes have poor contact and the contact resistance increases, which increases the uneven current distribution between the carbon brushes, causing sparking.