gefran GFW-Xtra 40 Installation And Operation Manual page 31

Figure 38 GFW connection example for 1 3-phase closed delta load
(*) Only required
with Vload
measurement
input option.
GFW Master - Dip-Switches Configuration
Dip 1 Dip 2 Dip 3
ON ON ON
Figure 39 GFW connection example for 1 3-phase closed delta load with transformer
80993B_MHW_GFW-Xtra_06-2018_ENG
- FIRING MODE:
- HB DIAGNOSTIC AVAILABLE: Partial and total load failure
of each single leg
- in PA mode, HB diagnostic active with P>30%
Dip 4 Dip 5
GG Fuse: See Fuse section
OFF OFF
GFW Master - Dip-Switches Configuration
Dip 1 Dip 2
ON ON
- FIRING MODE:
- HB DIAGNOSTIC AVAILABLE: Partial and total load failure of each single leg
- in PA mode, HB diagnostic active with P>30%
GG Fuse: See Fuse section
ZC, BF, PA (P >6%)
Dip 3 Dip 4 Dip 5
ON OFF ON
ZC, PA (P >6%)
V= line voltage
P = total power
Id = load current
if resistive load cosϕ=1
V = phase voltage (line L1- line L2/N)
P = power of each single-phase load
Vload = voltage on secondary (load)
Id = current in primary
Is = current in secondary
η= transformer output (type 0,9)
if resistive load cosϕ=1
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