Two-stage directional earth-fault relay for distribution
networks
Directional low-set earth-fault stage with definite
time characteristic
Directional high-set earth-fault stage with instantaneous
operation or definite time characteristic
The operation direction of the high-set earthfault
stage can be the same as that of the low-set
stage or the opposite
Output relay functions can be freely configured
by the user
Flexible adaptation of the relay to different
applications
Manual selection or remote control of the operation
characteristic I0sinj or I0cosj
Digital display of settings, measured quantities,
recorded fault values, etc
Extensive two-way data communication via fibre-
optic serial bus
Continuous self-supervision of hardware and
software including autodiagnosis
Powerful software support for parametrization
and supervision of the relay
Member of the SPACOM product family and
PYRAMID® , ABB' s coordinated protection and
control concept |
Indotrade Priority 15th Year
