ABB RELION 615 Series Applications Manual page 9

REG615
Application Manual
Current transformer accuracy class and accuracy limit
factor.................................................................................... 133
Non-directional overcurrent protection................................. 134
Example for non-directional overcurrent protection..............135
Section 5 Protection relay's physical connections........................137
Inputs..............................................................................................137
Energizing inputs....................................................................... 137
Phase currents..................................................................... 137
Residual current................................................................... 137
Phase voltages.....................................................................137
Residual voltage...................................................................138
Auxiliary supply voltage input.................................................... 138
Binary inputs..............................................................................138
Optional light sensor inputs....................................................... 140
Outputs........................................................................................... 140
Outputs for tripping and controlling............................................140
Outputs for signalling.................................................................141
IRF.............................................................................................142
Section 6 Glossary....................................................................... 143
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