Polyphase Systems 1 - Delta, Wye Circuits – Watch Instant Video

Training Sessions

Polyphase Systems – 6 minutes
Defines polyphase and describes how the parts of a polyphase system are distinguished from one another. Describes how a polyphase system is different from a single-phase system. Gives examples of where polyphase systems exist in a utility’s operating system.

Wye Systems – 6 minutes
Using diagrams, describes the characteristics of a wye-connected system.

Delta Systems – 7 minutes
Using diagrams, describes the characteristics of a delta-connected system.

Transformer Connections – 7 minutes
Describes transformer connections for: Three-phase, four-wire wye-connected polyphase systems Three-phase, three-wire closed delta-connected polyphase systems Three-phase, four-wire closed delta-connected polyphase systems Three-phase, three-wire open delta-connected polyphase systems Three-phase, four-wire open delta-connected polyphase systems