GE 750 User Manual

2-
6
750/760 Feeder Management Relay GE Power Management
2.3 SAMPLE APPLICATION 2 GETTING STARTED
2
c) POWER SYSTEM
S2 SYSTEM SETUP \ POWER SYSTEM \ NOMINAL FREQUENCY:
60 Hz
2.3.3 S3 LOGIC INPUTS SETPOINTS
S3, the third setpoints page, contains setpoints for entering the characteristics of the logic inputs. In our exam-
ple, these characteristics are specified under the Control System Requirements heading. Program S3 set-
points as indicated.
a) BREAKER POSITION MONITORING
S3 LOGIC INPUTS \ LOGIC INPUTS SETUP \
INPUT 2 NAME:
Brkr Position (52b)
INPUT 2 ASSERTED LOGIC:
Contact Close
S3 LOGIC INPUTS \ BREAKER FUNCTIONS \ 52b CONTACT:
Input 2
b) REMOTE OPEN/CLOSE AND RESET RTU CONTACTS
S3 LOGIC INPUTS \ LOGIC INPUTS SETUP \
INPUT 3 NAME:
Local Mode
INPUT 3 ASSERTED LOGIC:
Contact Close
INPUT 4 NAME:
Remote Open
INPUT 4 ASSERTED LOGIC:
Contact Close
INPUT 5 NAME:
Remote Close
INPUT 5 ASSERTED LOGIC:
Contact Close
INPUT 6 NAME:
Reset
INPUT 6 ASSERTED LOGIC:
Contact Close
S3 LOGIC INPUTS \ CONTROL FUNCTIONS \
LOCAL MODE:
Input 3
RESET:
Input 6
REMOTE OPEN:
Input 4
REMOTE CLOSE:
Input 5
c) ALARM-AFTER-DELAY INPUT
S3 LOGIC INPUTS \ USER INPUT A \
USER INPUT A NAME:
Substation Monitor
USER INPUT A SOURCE:
Input 1
USER INPUT A FUNCTION:
Alarm
USER INPUT A RELAYS (3-7):
3----
USER INPUT A DELAY:
100.00 s
2.3.4 S5 PROTECTION SETPOINTS
S5 PROTECTION
, the fifth setpoints page, contains setpoints for entering the characteristics of the protection ele-
ments. In our example, these characteristics are specified under
PHASE PROTECTION SETTINGS
and
NEUTRAL
PROTECTION SETTINGS
. From this data and the resulting calculations, program S5 setpoints as indicated.
a) PHASE TIME O/C 1
S5 PROTECTION \ PHASE CURRENT \ PHASE TIME OC 1 \
PHASE TIME OC 1 FUNCTION:
Trip
PHASE TIME OC 1 PICKUP:
1.40 x CT (840A pickup / 600A CT pri)

GE 750 Specifications

General

Brand	GE
Model	750
Category	Relays
Language	English