Connection Example For Two-Phase Gpc (2Ph) For A Three-Phase Star Load Without Neutral With Transformer - gefran GPC 40-600A Use And Installation Manual

3.7.5. Connection example for two-phase GPC (2PH) for a three-phase star load without
neutral with transformer
Control option = 0
L1
L2
L3
(*)
FUSE
Symmetric
transformers only
R
Load
Id
FUSE
1/L1
L1
V
GPC-E1
FUSE
1/L1
L2
GPC-M
FUSE
1/L1
L3
(*)
GG FUSE
J6 J6
1/L1 1/L1
GPC-E1 GPC-M
2/T1 2/T1
PE
Y Δ
Y Δ
R R
Load Load
Symmetric
transformers only
Y - Y
Δ - Δ
2/T1
2/T1
CAUTION
(*) : Take care to connect
terminals 1/L1 and 3/L1
to the same phase
81900A "MHW_GPC-40/600A"_03-2021_ENG_page 59
L1
L2
L3
GG FUSE
transformers only
Id =
Is
R1
R2
V
load
R3
FIRING MODE ZC, BF
HB DIAGNOSTICS
AVAILABLE
Fuse
GG fuse
Control option = 3 (Vload inputs)
(*) (*)
FUSE
J7 J6 J7
1/L1 1/L1
GPC-E1 GPC-M
2/T1 2/T1
Y Δ
Symmetric
Y Δ
R R
Load Load
P
Is =
ƞ × √3 × V × cos φ
GPC - DIP switch configuration
DIP 1 DIP 2 DIP 3
ON OFF OFF
V Phase-to-phase voltage
P Total power
Vload Voltage on secondary (load)
Current in primary
Id
Is
Current in secondary
Transformer output
ƞ
(typical 0.9) if resistive load cos φ=1
Total load break
Ultra-rapid fuse only required for controls with
option Fuse = 0
See Fuse sections
GG FUSE
J6
PE
R
Load
P
√3 × Vload × cosφ
DIP 4 DIP 5
OFF ON