MarelliMotori MEC-100 Manuel De L'utilisateur page 97

5.8.5. Oscillographic indicator
Fig. 5.8.5.and Fig. 5.8.5.b show pictures of the system electrical
quantity oscillographic indicator.
 Selecting the electrical quantity to be displayed (indicator A in
Fig. 5.8.5.a). Next to each of the items indicating the measured
quantities there is a radio button (
quantity to be displayed.
To select the parameter you wish to display, click the radio button
associated with the relevant voice.
 Displaying the selected quantity as a function of time (indicator B
in Fig. 5.8.5.b).
❑
The C button in Fig. 5.8.5.b opens a window allowing to configure
the chart ordinate axis limit.
The example shown in the figure shows the trend of the voltage
between phases U and V measured during the SOFT-START stage.
5.8.6. Power diagram
Fig. 5.8.6.a shows the button allowing to select the Power Diagram
graphic mode; if you click on it the diagram will replace the System
Parameters setting window. Clicking the same button again will
restore the System Parameters window.
Fig. 5.8.6.b shows a picture of the power diagram. It displays the
generator working point in real time, with:
 Instant indication of active and reactive power (indicator A in Fig.
5.8.6.b).
 Display of the curve defined by the setting of the underexcitation
limiter (indicators B and C in Fig. 5.8.6.b).
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
) allowing to select the
B
A
Fig. 5.8.6.b
Power diagram
A
Selecting the quantity to be traced
C
Oscillographic indicator
Opening the power diagram
C
MEC-100 – Marelli Motori
Fig. 5.8.5.a
Fig. 5.8.5.b
Fig. 5.8.6.a
B
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