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Instruction manual
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AQ G3x7 Generator protection IED
81 (211
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3.2.10.7
The decision logic
The decision logic module combines the binary status signals to generate the trip command
of the function.
Figure 3-46 The logic scheme of the negative sequence overcurrent protection function
Table 3-27 The binary status signals of the decision logic
Binary input status signal
The negative sequence overcurrent protection function has a binary input signal, which
serves the purpose of disabling the function. The conditions of disabling are defined by the
user, applying the graphic equation editor.
Table 3-28 The binary input signal of the negative sequence overcurrent protection function
Table 3-29 The binary output status signals of the negative sequence overcurrent protection
function