The measurement of the tap changer position via MIM module is based on the principle that the
specified mA input signal range (usually 4-20 mA) is divided into N intervals corresponding to the
number of positions available on the tap changer. All mA values within one interval are then
associated with one tap changer position value.
The number of available tap changer positions N is defined by the setting parameters
LowVoltTap
and
HighVoltTap
, which define the tap position for lowest voltage and highest voltage
respectively.
14.4.5 Connection between TR1ATCC (90) or TR8ATCC (90) and
TCMYLTC (84)or TCLYLTC (84)
SEMOD159211-5 v6
The two function blocks Automatic voltage control for tap changer, single control TR1ATCC (90)
and parallel control TR8ATCC (90) and Tap changer control and supervision, 6 binary inputs
TCMYLTC (84) and 32 binary inputs TCLYLTC (84) are connected to each other according to figure
469 below.
Section 14 1MRK 502 066-UUS B
Control
882
Technical manual
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