Figure 567: Simplified regulator 1&2 configurations of the Master/Follower example
Table 1021: The automatic selection of operation modes for regulators in the
Master/Follower example
CB1 CB2 CB3 Regulator 1 Regulator 2
Open Open Open Manual Manual
Open Open Closed Manual Auto single
Open Closed Open Manual Manual
Open Closed Closed Manual Auto single
Closed Open Open Auto single Manual
Closed Open Closed Auto single Auto single
Closed Closed Open Auto single Manual
Closed Closed Closed Auto parallel
(Master)
Auto parallel
mode
= "Auto
master''
Auto parallel
(Follower)
Auto parallel
mode
= "Auto
follower"
Configuration example for the Auto parallel (MCC) mode
The purpose of the Auto parallel (MCC) mode is to minimize the circulating current
between the parallel transformers. The data exchange between the regulators can
be done with the horizontal GOOSE communication.
Control functions
1MRS757644 H
1070 620 series
Technical Manual
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