Interlocking For Line Bay Abc_Line (3); Application; Signals From Bypass Busbar - ABB REB670 Applications Manual

Busbar protection 2.1 ansi, relion 670 series

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1MRK 505 337-UUS -

Application manual

specific conditions (Qx_EXy) are set to 1=TRUE if they are not used, except in the

following cases:

989_EX2 and 989_EX4 in modules BH_LINE_A and BH_LINE_B

152_EX3 in module AB_TRAFO

when they are set to 0=FALSE.

Interlocking for line bay ABC_LINE (3)

The interlocking for line bay (ABC_LINE, 3) function is used for a line connected to a

double busbar arrangement with a transfer busbar according to figure 128. The function

can also be used for a double busbar arrangement without transfer busbar or a single

busbar arrangement with/without transfer busbar.

ANSI04000478 V1 EN

Switchyard layout ABC_LINE (3)

The signals from other bays connected to the module ABC_LINE (3) are described below.

To derive the signals:

en04000478_ansi.vsd