Wiring the Wye Coils

For our wind turbine, we will use the Wye coil arrangement. Each set of coils is color-coded by two wires of similar coloring, as shown in the table below.

Table 6-1: Color Code of Coils

Coil 1

Blue

Blue-white

Coil 2

Green

Green-white

Coil 3

Orange

Orange-white

The colors are shown in the schematic in Figure 6-6. Pay particular attention to the blue and blue-white wire placement. This is not a mistake. It is necessary to "flip" the source-return orientation of this coil relative to the other two coils to achieve the proper three-phase operation.

Blue-White fi Orange \ -White

Green

Figure 6-6

Wye Coil Arrangement Schematic

Orange

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