It’s applicable for the single and double regulating systems of all types of the 1MW~100MW hydraulic turbines, including mixed-flow type, axial flow type, cross-flow type, and impulse type, etc.
Main features
-For all types of hydraulic turbine units (mixed-flow, axial-flow, cross-flow and impulse type)
-Adopt standard control valve of hydraulic system.
-Rated Oil pressure: 2.5MPa 4.0MPa 6.3MPa 16MPa
-PWM digital valve regulating technology
-PID Regulating
Main technical parameters
-Regulation law parallel PID
-peed dead-band of hydraulic turbine control system
-large≤0.02%;
-medium-sized≤0.06%;
-small-scale≤0.1%
-permanent difference coefficient bp 0~10%
-temporary droop coefficient bt 1~200%
-Buffer time constant Td 1~20S
-Acceleration time constant Tn 0~5s
-Frequency setting range 45~55HZ
-Power setting range 0~120%
-Adjustable range of opening 0~105%
-Frequency artificial failure band 0~±0.5HZ Adjustable
-Power Supply AC / DC standby