87
Installation
Figure 58: Three Phase WYE (ungrounded) Distribution to a Three-Phase Delta/WYE
Isolation Transformer
Figure 59: Delta to Delta Isolation Transformer
Figure 60: Single Phase Power Supply Connections
Transformer Sizing
If your application requires a transformer, use the following table for sizing the KVA rating.
The values in the table are based on “worst case” power usage and can be considered a
conservative recommendation. You can down-size the values only if the maximum power
usage is less than the transformer continuous power rating. Other factors that may influence
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