To 889 Slots J&K: Ct/Vt Connections - GE Multilin 889 Instruction Manual

489 TO 889 SLOTS J&K: CT/VT CONNECTIONS
22
OPEN DELTA VOLTAGE
TRANSFORMER
CONNECTION
489
UNIT
CIRCUIT
BREAKER
LOAD
G2 H1 H2 G1
PHASE
VOLTAGE INPUTS
Figure 4-5: 489 and 889 Open Delta VT Connections
Type
Currents Ia polarity
Currents Ia non-polarity
Currents Ib polarity
Currents Ib non-polarity
Currents Ic polarity
Currents Ic non-polarity
Currents Ig polarity
Currents Ig non-polarity
Currents Ig CBCT (50:0.025) polarity
Currents Ig CBCT (50:0.025) non-polarity
Differential I Diff Ia polarity
Differential I Diff Ia non-polarity
Differential I Diff Ib polarity
Differential I Diff Ib non-polarity
Differential I Diff Ic polarity
Differential I Diff Ic non-polarity
CHAPTER 4: ELECTRICAL INSTALLATION
889
Table 4–4: CT Connections
Function
G6
H6
G7
H7
G8
H8
G9
H9
G10
H10
G3
H3
G4
H4
G5
H5
MULTILIN 489 TO 889 RETROFIT KIT – INSTRUCTION MANUAL
489 889
J1
J2
J3
J4
J5
J6
J7
J8
K7
K8
K1
K2
K3
K4
K5
K6