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Protection and Automation Functions
6.37 Power Protection (P,Q), 3-Phase
[lo_GPP operate indication logical comb, 2, en_US]
Figure 6-229
6.37.3
Active Power Stage
Logic of a Stage
[lo_3-phase active power, 2, en_US]
Figure 6-230
Measured Value
The Measured value parameter is used to specify which measured power value is analyzed by the tripping
stage. Possible settings are positive seq. power and the phase-selective powers power of phase A,
power of phase B or power of phase C.
Pickup Characteristic
With the stage type you specify if the stage work as a greater stage (stage type: Power P>) or as a smaller
stage (stage type: Power P<).
800
Logical Combination of Operate Indications in CFC
Logic Diagram of the Active Power Stage (Stage Type: Power P<)
SIPROTEC 5, Overcurrent Protection, Manual
C53000-G5040-C017-8, Edition 07.2017
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