You have been tasked to retrofit a large Kaplan turbine at a hydropower station nearby Cardiff,...

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You have been tasked to retrofit a large Kaplan turbine at a hydropower station nearby Cardiff, UK. The total head available at the turbine house is 60m. The generator has 6 pairs of poles, and the non-dimensional specific speed of the turbine, Kn = 2.8. At the inlet, the runner has a diameter of Di = 2.5m and a height b = 0.23m. The hub of the Kaplan runner has a diameter of Dh = 1.5 m. i. Determine the rotational speed of the turbine. ii. Determine the power of the turbine iii. Determine the flowrate of the turbine iv. V. Determine the angle of the inlet guide vanes. Determine the inlet and outlet blade angles at the outer walls (r = R₁) and the inlet blade angle at r = R₁/2. You have been tasked to retrofit a large Kaplan turbine at a hydropower station nearby Cardiff, UK. The total head available at the turbine house is 60m. The generator has 6 pairs of poles, and the non-dimensional specific speed of the turbine, Kn = 2.8. At the inlet, the runner has a diameter of Di = 2.5m and a height b = 0.23m. The hub of the Kaplan runner has a diameter of Dh = 1.5 m. i. Determine the rotational speed of the turbine. ii. Determine the power of the turbine iii. Determine the flowrate of the turbine iv. V. Determine the angle of the inlet guide vanes. Determine the inlet and outlet blade angles at the outer walls (r = R₁) and the inlet blade angle at r = R₁/2.

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Kaplan Turbine Retrofit Calculations Given Head H 60 m Number of pole pairs Np 6 Nondimensional specific speed Kn 28 Runner inlet diameter Di 25 m Run... View the full answer