Low-head Kaplan turbine regulating method
A water turbine and paddle-turning technology, which is applied to hydroelectric power generation, mechanical equipment, engine components, etc., can solve the problems of unit flow reduction, unit stability reduction, guide vane opening reduction, etc., to increase braking torque, Improved stability and simple structure
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[0017] like figure 1 As shown, the first three-way valve 12 is connected to the oil supply passage a1, and the second three-way valve 13 is connected to the oil return passage b1.
[0018] The oil supply pipe a of the vane pressure distribution valve 10 is connected to the first port of the first three-way valve 12, the oil supply circuit a1 is connected to the second port of the first three-way valve 12, and the first oil pipe 14 is connected to the first three-way valve 12 the third pass.
[0019] The oil return pipe b of the vane pressure distribution valve 10 is connected to the first port of the second three-way valve 13, the oil return line b2 is connected to the second port of the second three-way valve 13, and the second oil pipe 15 is connected to the first port of the second three-way valve 13. tee.
[0020] Under normal starting and running conditions, the oil supply pipe a and the oil supply oil passage a1 are connected through the first three-way valve 12, and ...
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