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I am trying to find out how the speed reference is set for an steam turbine system of a power plant. All the governors are of mechanical/Hydraulic type. Speed governor is a centrifugal one. I know that speed changer, or Speeder gear is adjusted for speed set point (reference). A motor drives the speeder gear. The speeder gear permits adjustment of the no-load running speed over a range of plus six percent to minus six percent rated speed (3400-3800RPM).
My questions are:
1) Can I control shaft to maintain a speed at any points from 0 to 3600RPM or can shaft be controlled at a speed from 3400 RPM to 3800 RPM?
2) How is the reference set? Say if I want a 1800 RPM, how
should I run the motor to drive the speeder gear?
I appreciate any input.
My questions are:
1) Can I control shaft to maintain a speed at any points from 0 to 3600RPM or can shaft be controlled at a speed from 3400 RPM to 3800 RPM?
2) How is the reference set? Say if I want a 1800 RPM, how
should I run the motor to drive the speeder gear?
I appreciate any input.
