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How to calculate limits for governor models

asked 2022-11-22 10:36:49 -0600

CynicalSuka gravatar image

How to calculate limits for governor models. for example how do i calculate Tmin and Tmax of DEGOV model given i know Pmin, Pmax, and MVA of the generator.

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answered 2022-11-22 13:41:02 -0600

perolofl gravatar image

Of course the limits for DEGOV can be calculated from those data.

Tmax = Pmax/Mbase

Tmin = Pmin/Mbase

If RSORCE>0, the limits should be slighlty adjusted with the resistive losses in the generator.

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Models documentation says 0 ≤ TMAX < 1.5 and -0.05 ≤ TMIN < 0.5. How could that be. Pmax is always less than Mbase. so Tmax can be 1 at maximum

CynicalSuka gravatar imageCynicalSuka ( 2022-11-22 20:40:40 -0600 )edit

The manual is misleading in this aspect. Maximum Pmech (e.g. governor parameter Tmax, Pmax or Vmax) should be set a value corresponding to Pmax in load flow. Too many examples show Tmax=1 or higher, which is wrong.

perolofl gravatar imageperolofl ( 2022-11-23 06:38:42 -0600 )edit

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Asked: 2022-11-22 10:36:49 -0600

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Last updated: Nov 22