MENTOR 12 US SECTION 2: BASIC CONTROL – Page 26 ER’S MANUAL
level or angle in a Voltage source will only affect the voltage sources and not
the current ones. The changes that are sent to the sources are INCREASES,
both in phase angle and in level, so these increases sent will be added or
subtracted, depending on the direction of the adjustment, to or from the
values established at the start of the process.
• When you apply any ON/OFF key of a source in SELECTED mode, this
change will take effect in ALL the sources of this mode, regardless of the
output source type.
• When you apply any key that permits changing the frequency reference
(BUS) of a source in SELECTED mode, this change will take effect on ALL
the sources in this mode, regardless of the type of output source.
Selected expanded sources Llc4, Llc5 and Llc6 with the ZOOM key
Selection when there are more than 3 available sources.
ZOOM key.
As you can see on the previous screen, when there are more than 3 sources of one
type selected (see Configuration section), 3 of them appear in reduced form under a
key marked ZOOM. The sources that appear under this key ONLY PRESENT
INFORMATION about levels, phase angles and output status. None of the parameters
mentioned can be changed. However, the mode can be selected as INDEPENDENT
or SELECTED, by pressing them.
To be able to make changes in these sources you must go from reduced mode to
expanded mode. This is done by pressing the ZOOM key. This action expands the
sources under it and reduces the ones that were expanded, as you can see from the
picture below.
Application and Use of the function and help keys
Under the individual controls for each source, there is a row with different keys, whose
aim is to help carry out normal functions in the protections test, both quickly and easily,
so just by clicking once you can access the desired changes. The different keys are
described individually below:
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