Table Of Contents - ABB SPAJ 111 C User Manual

1MRS 750809-MUM EN
Issued 97-08-05
Version A (replaces 34 SPAJ 22 EN1)
Checked TK
Approved TK
Data subject to change without notice
Contents
Features
2
Features .......................................................................................................................... 2
Application ..................................................................................................................... 3
Principle of function ....................................................................................................... 3
Connections ................................................................................................................... 4
Output relay configuration ............................................................................................. 6
Start and operation indicators ......................................................................................... 7
Combined power supply and I/O module .................................................................... 7
Technical data ................................................................................................................ 8
Examples of application ................................................................................................ 10
Recorded data and fault analysis ................................................................................... 16
Secondary injection testing ........................................................................................... 16
Maintenance and repair ................................................................................................ 20
Exchange and spare parts .............................................................................................. 20
Ordering numbers ........................................................................................................ 20
Dimensions and mounting ........................................................................................... 21
Order information ........................................................................................................ 21
The complete manual for the sensitive earth-fault relay SPAJ 111 C includes the following
submanuals:
Sensitive earth-fault relay SPAJ 111 C, general part
Sensitive neutral overcurrent relay module SPCJ 1C7
General characteristics of C type relay modules
Sensitive low-set neutral overcurrent stage with
definite time characteristic
High-set neutral overcurrent stage with definite
time characteristic
Output relay functions to be freely configured
by the user
Flexible adaptation to different types of applica-
tion
1 A and 5 A energizing inputs and flexible
selection of relay functions for various applica-
tions
SPAJ 111 C
earth-fault relay
1MRS 750809-MUM EN
1MRS 750810-MUM EN
1MRS 750328-MUM EN
Serial interface for connecting the relay to a
fibre-optic serial bus and further to a substation
or network control system
Digital display of setting values, measured neu-
tral current, memorized values at relay opera-
tion, indications et cetera
Powerful software support for parametrization
and supervision of the relay
Continuous hardware and software self-super-
vision including auto-diagnosis
Sensitive