ABB REG316 4 Series Operating Instructions Manual page 661

ABB Switzerland Ltd
Utility Automation
Numerical generator protection
Basic-SW Basic software including the following functions:
OCDT definite time overcurrent
OCInst overcurrent protection with peak value evaluation
IoInv inverse time ground fault current
TH thermal overload
OCInv inverse time overcurrent protection
Ucheck voltage plausibility (only if 3-phase voltage is available)
Icheck current plausibility
UlfPQ metering (only if at least 1 voltage is available)
MeasMod three-phase measuring module
Delay delay/integrator
Count counter
Logic logic interconnection
NPSDT negative phase sequence current protection
NPSInv inverse time negative phase sequence current protection
OLStat stator overload
OLRot rotor overload
CAP316 project-specific control logic
DRec disturbance recorder
BFP breaker-failure protection
RTS run-time supervision
All the functions of the basic version can be applied in any combination providing the maximum capacity
of the processor and the number of analogue channels is not exceeded.
REG316*4
1MRK502004-Ben
Page 33