Whitepapers

Dams and Civil Structures

There remains a need for non-labor intensive, safe, and effective upstream and downstream transport of fish at medium and high head dams and hydroelectric projects. The proposed Obermeyer system combines pneumatically operated gates for diverting fish into a lifting (and lowering) system with a variable speed reversible pump-turbine that hydraulically transports a floating cage of...
Business & Finance

In today’s industrial segment, there are numerous companies which still practice preventive or corrective maintenance despite well-known disadvantages, such as the extra costs for repairs and prolonged production interruption periods. In addition, these factors lead to an almost irremediable decrease in productivity. However, there are better solutions. Predictive maintenance, which has long been proven and...
Generators and Electrical Components

Power plant engineers and technicians will find useful this downloadable hydro version from NEC’s well-known Engineer’s Notebooks series. Presented are 10 mini case studies of failures common to hydrogenerators, Find out how good maintinence practices can impact the health of your unit and prevent unexpected stator rewinds or damage to rotor components and more. This...