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Functions
2.8 24 Overexcit. Protection (Volt/Hertz)
[ausloesebereich-des-uebereregungsschutz-020827-ho, 1, en_US]
Figure 2-28
The characteristic resulting from the device default settings is shown in the Technical Data Section Overexcita-
tion Protection.
framework of configuration the setting for the pickup threshold (parameter 4302 24-1 PICKUP) was chosen
higher or lower than the first setting value of the thermal characteristic.
The following figure shows the logic diagram for overexcitation protection. The counter can be reset to zero
by means of a blocking input or a reset input.
92
Tripping Range of the Overexcitation Protection
Figure 2-28
illustrates the behaviour of the protection on the assumption that within the
SIPROTEC 4, 7RW80, Manual
C53000-G1140-C233-4, Edition 07.2018
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