Dynamic monitoring of the diversion steel pipes for power genertion at baishan hydropower plant

摘要

In the lahout of the Baishan secon datage hydropower plant, the self-supporting property of the hending section of the exposed headrace steel pipes with large diameters were made use of. In order to know the operating behaviour of the steel pipes and direct operation, dynamic monitoring on the exposed pipe section was crried out. By using the dynamic data acquisition and analysis system, the vibration data at different locations and on different direction under 8 operatin conditions of the units were sampled, and the dynamic behaviour of the headrace steel pipes was studied.