Ct Ratio - CARLO GAVAZZI WM3-96 - PROGRAMMING Instruction Manual

Changing the type of system, all the MIN/MAX
values, the events and the partial energy meters
are reset.
Measure
Note that when the CT ratio is changed all the
MIN/MAX values, the events and the partial
energy meters are reset.
Energy meters
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To reset the choice and go back to
the main menu, press the

CT ratio

This function allows you to select the
value of the CT ratio. Example: if the
primary of the CT (current trans-
former) being connected is 300A and
the secondary is 5A, the CT ratio
corresponds to 60 (obtained from the
calculation: 300/5). Choose the func-
tion CT RATIO by means of the
and
1.2..
then select the desired value by
..2.1
means of the
and confirm with
choice and go back to the main
menu, press
13
Let's start
keys; press
.
Average power calculation
21
15
key.
to confirm,
and keys
. To reset the
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