gefran GFW 400A Installation And Operation Manual page 32

Figure 32 Sample GFW biphase connection for a triphase star load without neutral
(*) IMPORTANT: Take
care to connect
terminals 1/L1 and
3/L1 to the same
phase
(**) Only required with
Vload measurement
input option.
GFW Master - Dip-Switches Configuration
Dip 1 Dip 2 Dip 3 Dip 4
ON OFF OFF OFF
Figure 33 Sample GFW biphase connection for a triphase star load without neutral with transformer
Control option = 0
L1
L2
L3
FUSE
(*)IMPORTANT:
Take care
to connect
terminals 1/L1
and 3/L1 to the
same phase
only SYMMETRICAL
transformer
R
Load
V phase voltage (line L1- line L2/N)
P total power
Vload voltage on secondary (load)
Id current in primary
Is current in secondary
transformer output (typical 0,9) pif resistive load cosφ=1
FIRING MODE ZC, BF
HB DIAGNOSTIC
Total load failure
AVAILABLE
Fast Fuse Needed only for controller with option Fuse = 0
GG Fast Fuse See Fuse section
32
Dip 5
OFF
L1
L2
L3
(*) (*)
FUSE GG
J6 J6
1/L1 1/L1
GFW-E1 GFW-M
2/T1 2/T1
FUSE GG
PE
Y Δ
Y Δ only SYMMETRICAL
R R
Load
Load
FIRING MODE ZC, BF
HB DIAGNOSTIC
AVAILABLE
Fast Fuse Needed only for controller with option Fuse = 0
GG Fast Fuse See Fuse section
Control option = 3 (Vload input)
(*) (*)
FUSE
FUSE GG
J7 J6 J7 J6
1/L1 1/L1
GFW-E1 GFW-M
2/T1 2/T1
PE
Y Δ
transformer
Y Δ
R R R
Load Load
Load
GFW Master - Dip-Switches Configuration
Dip 1 Dip 2
ON OFF
80999D_MHW_GFW 400-600A_07-2020_ENG
V line voltage
P total power
Id load current pif resistive load cosφ=1
Total load failure
Control option = 4 (Vload input and external TA input)
L1
L2
L3
(*) (*)
FUSE
FUSE GG
TA1,TA2 imput (J5)
J7 J6 J7 J6
J5
1/L1 1/L1
GFW-E1 GFW-M
2/T1 2/T1
FUSE GG
only
Y Δ
SYMMETRICAL
Y Δ
transformer
TA2
R R R
Load Load
Load
I
d
L1
only SYMMETRICAL
transformer
V
1/L1 2/T1
L2
GFW-E
Id =
ƞ √3 V cosφ
1/L1 2/T1
L3
Is =
GFW-M
ƞ √3 V
Dip 3 Dip 4 Dip 5
OFF OFF ON
to TA1
to TA2
PE
TA1 ( to J5
)
Current
Transformers
I
R
s
V
R
load
R
P
P
cosφ
load