Vanguard Tri-Phase - Manual (Page 20)

TRI-PHASE OPERATING™ INSTRUCTIONS
12.0 Typical Cable Hook Up Configurations
Always ground the TRI-PHASE™ with the provided ground cable contained in the cable set
before connecting H and X cables. Ground the transformer bushings before connecting test leads to
transformer. This procedure prevents inducing any voltages into the TRI-PHASE™. All transformer
buss connections must be removed and transformer isolated before performing testing of
transformer. Typical TRI-PHASE™ cable connections to different transformers are illustrated in
Figure 2.0 to Figure 13.0.
12.1 Typical Cable Connections to a Delta-Wye Transformer
Typical cable connections to a Delta to Wye transformer are shown in Figure 2.0 and Figure 4.0.
Figure 2.0 Typical H & X Cable Connections to a Delta-Wye Transformer
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