ABB SPAJ 141 C User Manual And Technical Description page 33

COMBINED OVERCURRENT AND EARTH-FAULT RELAY MODULE SPCJ 4D24
Current measuring module.......................................................................SPCJ
Number of measurands.......................................................................................4
Type designation....................................................................................................D24
C h a r a c t e r i s t i c s
The combined overcurrent and earth-fault module includes:
- A low-set overcurrent stage I> with a definite time and six inverse time
modes of operation
- A high-set overcurrent stage I>> with a setting range of 0.5...40 x I
operation of the high-set overcurrent stage can be set out of function
- A low-set neutral overcurrent stage I
1.0...25.0 % I and definite time mode of operation
n
- A high-set neutral overcurrent stage I
2.0...200 % I . The operation of the high-set neutral over current stage
n
can be set out of function
- Digital display of measured and set values and sets of data recorded
at the moment when faults occurs
- All settings may be keyed in using the push-buttons of the front panel
or they may be set using a personal computer
- Continuous self-supervision including both hardware and software. At
a permanent fault the alarm output relay operates and the other outputs
are blocked.
C o n t e n t s
Characteristics
Description of function
Block diagram
Front panel
Operation indicators
Settings
Programming switches
Measured data
Recorded information
Main menus and submenus of settings and registers
Time/current characteristics
Technical data
Serial communication
Fault codes
ABB Relays
HYVÄKSYNYT TARKASTANUT
GODKÄND
GRANSKAD
APPROVED
CHECKED
TEKI-SKRIVEN AV-WRITTEN BY
1993 - 03 - 30 H Sundell
PAINOS PAINOS
> with a setting range of
o
>> with a setting range of
o
NIMITYS-BENÄMNING-NAME
Overcurrent and earth-fault relay module
KORVAA-ERSÄTTER-SUPERSEDES
KORVATTU-ERSATT MED-SUPERSEDED BY
. The
n
Page
1
2
4
5
5
6
7
12
12
14
16
22
23
31
LAJI - TYP - TYPE
JAKELU
HAKEMISTO
FÖRDELNING
REGISTER
DISTRIBUTION
FILE
34 SPCJ
1
3I>
IL1 IL2 IL3 Io
IRF
I>[In]
RESET
STEP
t>[s]
k
I»[In]
t»[s]
Io>[%In]
to>[s]
Io»[%In]
to»[s]
PROGRAM
SGF
SGB
SGR
TRIP
SPCJ 4D 24
SPCJ 4D24
LEHTI
BLAD
SHEET
9 EN 1 E