gefran GFW 400A Installation And Operation Manual page 33

Figure 34 Sample GFW biphase connection for a triphase closed delta load
(*) 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 ON OFF
Figure 35 Sample GFW biphase connection for a triphase closed delta load with transformer
Control option = 0
L1
L2
L3
(*)
FUSE
(*)IMPORTANT:
Take care
to connect
terminals 1/L1
J6
and 3/L1 to the
same phase
1/L1
GFW-E1
2/T1
Y/Δ
Symmetrical and
asymmetrical transformer. Y/Δ
Suggested: ASYMMETRICAL
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
80999D_MHW_GFW 400-600A_07-2020_ENG
Dip 5
OFF
Control option = 3 (Vload input)
L1
L2
L3
(*)
FUSE GG
J6
1/L1
GFW-M
2/T1
FUSE GG
PE
Symmetrical and
asymmetrical transformer.
Suggested: ASYMMETRICAL
FIRING MODE ZC, BF
HB DIAGNOSTIC
AVAILABLE
Fast Fuse Needed only for controller with option Fuse = 0
GG Fast Fuse See Fuse section
(*) (*)
FUSE
FUSE GG
J7 J6 J7 J6
1/L1 1/L1
GFW-E1 GFW-M
2/T1 2/T1
PE
Y/Δ
Y/Δ
R Load
V line voltage
P total power
Id load current if resistive load cosφ=1
Total load failure (partial only for closed triangle
load)
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
Y/Δ
Symmetrical and
Y/Δ
asymmetrical transformer.
Suggested: ASYMMETRICAL
TA2
R Load
Symmetrical and
I
d
L1 asymmetrical transformer.
Suggested: ASYMMETRICAL
V
1/L1 2/T1
Y/Δ
L2
GFW-E
Id =
ƞ √3 V cosφ
1/L1 2/T1
L3
Is =
GFW Master - Dip-Switches Configuration GFW-M ƞ √3 V
Dip 1 Dip 2 Dip 3 Dip 4
ON OFF OFF OFF
to TA1
to TA2
PE
TA1 ( to J5)
Current
Transformers
I
s
R
V
Y/Δ
load
R
R
P
P
cosφ
load
Dip 5
ON
33