Kaplan turbine operate pefectly in combination with motor-driven operating mechanism for runner vane, guide vane servomotor and inlet valeve.
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Configuratioin |
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Features |
Runner vane operating mechanism
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Roller screw is operated by relative diference speed between AC servomotor and turbine rotating speeds. |
Magnetic clutch
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Runner vane can keep a constant angle by magnetic clutch during standstill of AC servomotor. |
Stroke detector
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Measuring actual stroke by laser sensor. |
Oil pressure system
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Not necessary. |
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Example: Miyoshi Power station, Kyushu E. P.C.
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