Transfer Functions - GE 750 Instruction Manual

750/760
Feeder Management Relay

Transfer Functions

TRANSFER
FUNCTIONS
NOTE
5–26
PATH: SETPOINTS S3 LOGIC INPUTS
[ ] SELECT TO TRIP:
Disabled
UNDERVOLT ON OTHER
MESSAGE
SOURCE: Disabled
INCOMER 1 BREAKER
MESSAGE
CLOSED: Disabled
INCOMER 2 BREAKER
MESSAGE
CLOSED: Disabled
TIE BREAKER
MESSAGE
CONNECTED: Disabled
TIE BREAKER CLOSED:
MESSAGE
Disabled
BLOCK TRANSFER:
MESSAGE
Disabled
TRANSFORMER LOCKOUT:
MESSAGE
Disabled
SOURCE TRIP:
MESSAGE
Disabled
CLOSE FROM INCOMER1:
MESSAGE
Disabled
CLOSE FROM INCOMER2:
MESSAGE
Disabled
The following logic input functions are used exclusively for the bus transfer scheme.
Refer to Transfer Scheme on page 5–108 for details on implementing the bus
transfer scheme.
If the bus transfer feature is required, all logic input functions necessary for the
operation of this scheme must be assigned to contact inputs before any other
functions. This is to ensure there are no conflicts.
The
INCOMER 1(2) BREAKER CLOSED
prevent-parallel or permission-to-transfer logic.
setpoints signal the bus tie breaker to begin a close operation.
The
TIE BREAKER CONNECTED
be used to pass current from the source to the load, such as when it is in the Test or
Disconnected positions. The
state, for prevent-parallel or permission-to-transfer logic.
The
TRANSFORMER LOCKOUT
as Source 1(2) is about to be lost. The
scheme.
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TRANSFER FUNCTIONS
Range: Input 1 to Input 20, Disabled
Range: Input 1 to Input 20, Disabled
Range: Input 1 to Input 20, Disabled
Range: Input 1 to Input 20, Disabled
Range: Input 1 to Input 20, Disabled
Range: Input 1 to Input 20, Disabled
Range: Input 1 to Input 20, Disabled
Range: Input 1 to Input 20, Disabled
Range: Input 1 to Input 20, Disabled
Range: Input 1 to Input 20, Disabled
Range: Input 1 to Input 20, Disabled
setpoints are used to track breaker state, for
THE CLOSE FROM INCOMER 1(2)
setpoint is used to inhibit transfers if the breaker cannot
setpoint is used to track breaker
TIE BREAKER CLOSED
and setpoints are used to initiate a transfer
SOURCE TRIP
BLOCK TRANSFER
S3 Logic Inputs
setpoint disables the transfer
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