meteocontrol Power Control 03082012 - en
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Power quality analyser and main computer are the currently supported
measurement devices (see section 6.4 Details on the PCU device
configuration -> Selection GCP source).
Fig. 36: Reactive power procedure control Q(U)
Control values in the fallback mode
Input field
Meaning
Displacement factor
Control value cos
φ
Excitation
Excitation type reactive power
(overexcited/underexcited)
Digital output
Feedback output
Reactive power procedure via voltage requirement U
Input field
Meaning
Curve
Type of curve
Point 1…4
Support points 1…4
U
Hyst
Hysteresis as the ratio of U/U
Nom
Lower limit cos
φ
Limit
Lower cos
φ
limit up to which the curve
is moved, then the selected cos
φ
is
used as the fixed value
7.2.9
cos
φ
(P)
With this procedure, the displacement factor cos
φ
is used as the control
value. The requirement P is received from the selected measurement device
and is assigned to the control value with a linear equation.