Logic of the Function
[lovoltco-060913-01.vsd, 3, en_US]
Figure 6-123
Higher-Level Logic of the Voltage Controller
In accordance with the IEC 61850 standard, DOI LTCBlk (Block automatic operation command), automatic
control can be blocked with a command.
The voltage controller measures the actual voltage (Vact) and compares it to the target voltage (Vtarget). If
the difference between the measured voltage (control deviation D) is greater than the set bandwidth (B), a
higher or lower adjusting command is sent to the tap changer once the set time delay (T1) has elapsed.
You can change the settings for control during operation with the settings group switching.
6.9.3.2
Control Functions
6.9 Voltage Controller
458 SIPROTEC 5, High-Voltage Bay Controller, Manual
C53000-G5040-C015-9, Edition 11.2017
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