Table Of Contents - ABB SPAF 140 C User Manual And Technical Description

1MRS 750135-MUM EN
Issued 1997-02-05
Modified 2002-04-12
Version C
Checked MK
Approved OL
Data subject to change without notice
Contents
Features
2
Features .......................................................................................................................... 2
Application ..................................................................................................................... 3
Description of operation ................................................................................................. 3
Connections ................................................................................................................... 4
Specification of input and output terminals .................................................................... 5
Operation indicators ....................................................................................................... 6
Combined power supply and I/O module ...................................................................... 6
Technical data (modified 2001-04) .................................................................................. 7
Example of application ................................................................................................... 9
Testing .......................................................................................................................... 11
Maintenance and repair ................................................................................................ 12
Spare parts .................................................................................................................... 12
Order numbers (modified 1998-03) .............................................................................. 12
Dimension drawings and mounting.............................................................................. 13
Ordering information ................................................................................................... 13
In addition to the general part, the complete manual of the frequency relay SPAF 140 C
includes the following relay module descriptions:
Combined frequency and rate of change of frequency relay module
General characteristics of D type relay modules
Single-phase four-stage combined overfre-
quency/underfrequency relay
Each protection stage includes a frequency rate
of change function (df/dt), which can be used
alone or in combination with the overfrequency/
underfrequency function.
Each protection stage includes two separate
adjustable timers
Recovery function
Programmable undervoltage blocking
Four rated voltages, to be selected in the soft-
ware
Adjustable rated frequency
SPAF 140 C
Frequency Relay
1MRS 750583-MUM EN
1MRS 750066-MUM EN
Four external control inputs enabling separate
blocking of each stage, etc.
Two freely configurable heavy-duty output re-
lays, one signal relay and one self-supervision
output relay
Recording of measured data, which can be used
for analysing the network condition.
Transfer of data over serial communication bus
Continuous self-supervision with internal fault
diagnosis
Reading and writing of setting values via dis-
play and front panel push-buttons, a PC with
setting software or from higher system levels over
the serial bus.