ST STEVAL-ISV002V2, User Manual, Page: 6 / 19

System description UM1016
6/19 Doc ID 18125 Rev 1
Figure 4. Coupling inductors wiring
Figure 4 shows how the filter and coupling inductors are actually wired, between the middle
point of each leg of the full bridge inverter and the output relay and sensing board.
Figure 5. Connectors used to wire the filter inductors and coupling reactor
In Figure 5 the three 2-way screw terminal connectors are highlighted. The filter inductors
are connected to J8, placed on the main power board and to J7 which is placed in the output
sensing and relay board. The coupling reactor is also connected to the output sensing and
relays board through J9. It is important to underline that while the filter inductors have the
two wires connected between J7 and J8, both the wires of the coupling inductor are
connected to J9.
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