Transformer Connections
Transformer connections and applications have over the years become more varied in their configurations, and in some cases, complicated to understand. The good news is that approximately 90% of all transformer installations are single phase, and with a little study and practice, the theory and techniques of wiring, maintaining, and troubleshooting them can be mastered with ease. It is essential that one understands the single-phase transformer before studying three-phase combinations.
No attempt has been made within the scope of this text to cover all possible three-phase arrangements and how the various voltages and currents are derived. Only the most common connections are discussed in greater detail. This ...
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