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Figure 36
GFW connection example for 1 3-phase 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
ON
ON
OFF
Figure 37
GFW connection example for 1 3-phase closed delta load with transformer
Control option = 0
L1
L2
L3
(*)
FUSE
(*)IMPORTANT:
Take care
J6
to connect
terminals 1/L1
1/L1
and 3/L1 to the
same phase
GFW-E2
2/T1
Symmetrical and
asymmetrical transformer
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, PA BF (bF.Cy ≥ 2)
HB DIAGNOSTIC
Partial and total load breakage for each individual branch for PA mode, HB
AVAILABLE
diagnostics active with P>30%
Fast Fuse Needed only for controller with option Fuse = 0
GG Fast Fuse See Fuse section
34
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
Symmetrical and
Y/Δ
asymmetrical transformer
R Load
FIRING MODE ZC, BF, PA
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
J7
J6
1/L1
1/L1
1/L1
GFW-E2
GFW-E1
GFW-M
2/T1
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
Partial and total load breakage for each
individual branch for PA mode, HB diagnostics
active with P>30%
Control option = 4 (Vload input and external TA input)
L1
L2
L3
(*)
(*)
FUSE
J7
J6
J7
J6
J7
1/L1
1/L1
1/L1
GFW-E2
GFW-E1
GFW-M
2/T1
2/T1
2/T1
FUSE GG
Y/Δ
Symmetrical and
Y/Δ
asymmetrical transformer
Current
TA3
TA2
transformers
R Load
I
1/L1
2/T1
d
L1
asymmetrical transformer
GFW-M
V
2/T1
1/L1
L2
GFW-E
1/L1
2/T1
L3
GFW-E
GFW Master - Dip-Switches Configuration
Dip 1
Dip 2
Dip 3
ON
ON
ON
80999D_MHW_GFW 400-600A_07-2020_ENG
(*)
FUSE GG
TA1,TA2,TA3 imput (J5)
to TA1
to TA2
to TA3
J6
J5
PE
TA1 ( to J5
)
Symmetrical and
I
s
R
V
Y/Δ
Y/Δ
load
R
R
P
Id =
ƞ √3 V cosφ
P
Is =
ƞ √3 V
cosφ
load
Dip 4
Dip 5
OFF
ON
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