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.
14.4.4
Connection between TR1ATCC or TR8ATCC and
TCMYLTCor TCLYLTC
The two function blocks Automatic voltage control for tap changer, single control
TR1ATCC and parallel control TR8ATCC and Tap changer control and supervision,
6 binary inputs TCMYLTC and 32 binary inputs TCLYLTC are connected to each
other according to figure
Section 14
1MRK502052-UEN B
Control
748
Technical manual
Содержание Relion REG670
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