gefran GFW-Xtra 40 Installation And Operation Manual page 34

Figure 44 GFW connection example for 3 independent loads in open delta, 3-phase line without neutral
(*) Only required with Vload measurement input option.
GFW Master - Dip-Switches Configuration
Dip 1 Dip 2 Dip 3
OFF ON OFF
Figure 45 Example of GFW3-PH wiring for 3 indipendent single-phase loads
It is possible to connect three single-phase loads also to three different line voltages, between line to line or line to
neutral. It is possible to manage by Fieldbus different power values for each one of the three loads.
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- FIRING MODE: ZC, BF, HSC, PA
- HB DIAGNOSTIC AVAILABLE: Partial and total load failure
Dip 4 Dip 5
of each single leg
OFF OFF
- in PA mode, HB diagnostic active with P>30%
GG Fuse: See Fuse section
GFW Master - Dip-Switches Configuration
Dip 1
OFF
- FIRING MODE: ZC, BF, HSC, PA
- HB DIAGNOSTIC AVAILABLE: Partial and total load failure of each single leg
GG Fuse: See Fuse section
Dip 2 Dip 3 Dip 4 Dip 5
OFF OFF OFF OFF
80993B_MHW_GFW-Xtra_06-2018_ENG
V= line voltage
P = power of each single-phase load
Id = load current
if resistive load cosϕ=1
V= line voltage
P = power of each single-phase load
Id = load current
if resistive load cosϕ=1