GE Multilin 745

S4 Elements
745
Transformer Management Relay
Setpoints
http://www.GEindustrial.com/multilin
5–49
GE Multilin
• INST DIFFERENTIAL PICKUP: Enter the level of differential current (in units
of relay nominal current) above which the instantaneous differential element
will pickup and operate.
FIGURE 5–13: Instantaneous Differential Scheme Logic
Phase Overcurrent a) Main Menu
PATH: SETPOINTS !" S4 ELEMENTS !" PHASE OC
This section contains settings to configure the phase overcurrent elements. Included
are phase time overcurrents and two levels of phase instantaneous overcurrent for
each phase of each winding.
! PHASE OC [!] ! W1 PHASE [!]
TIME OC
See page 5–54.
MESSAGE
! W2 PHASE [!]
TIME OC
See page 5–54.
MESSAGE
! W3 PHASE [!]
TIME OC
See page 5–54.
MESSAGE
! W1 PHASE [!]
INST OC 1
See page 5–55.
MESSAGE
! W2 PHASE [!]
INST OC 1
See page 5–55.
MESSAGE
! W3 PHASE [!]
INST OC 1
See page 5–55.
MESSAGE
! W1 PHASE [!]
INST OC 2
See page 5–55.
MESSAGE
! W2 PHASE [!]
INST OC 2
See page 5–55.
MESSAGE
! W3 PHASE [!]
INST OC 2
See page 5–55.