Experimental Study on the Interaction of Wedge’s Pickup Capability in Gap-pickup Diagonal Flow Ventilation System

摘要：

The rotor windings of large generator are usually cooled by hydrogen flowing through ducts within the winding. The gap-pickup diagonal flow ventilation system has been widely employed because of its shorter cooling channels and lower temperature rise. The gas flow in the ventilation channels is maintained by the pressure difference between the inlet wedge and the outlet wedge, and the pickup capability of rotor wedge directly influences the cooling condition of the gap-pickup diagonal flow system. To obtain the rule of the interaction of wedge’s pickup capability and the pickup coefficient of wedges with different structure, a static modeling experiment for the gap-pickup diagonal flow system in the turbine generator rotors has been carried out. The experimental results showed the interaction of wedge’s pickup capability in gap-pickup diagonal ventilation system. The experimental results of the pickup coefficient of wedges with different structure will be reported in another paper.

关键词： Turbine generator Rotor Gap-pickup Wedge

作者: Xiaohong HU Yichao YUAN Yuzheng LIU Youfu MA

作者单位: College of Power Engineering, University of Shanghai for Science and Technology, 516 Jungong Rd., Shanghai 200093, China

会议类型: 国际会议

会议名称: 2007杭州国际动力工程会议(The International Conference on Power Engineering 2007)

会议地点: 杭州

会议语种:英文

在线出版日期: 2007-10-23（万方平台首次上网日期，不代表论文的发表时间）