Three Line Diagram. Single line diagram sld we usually depict the electrical distribution system by a graphic representation called a single line diagram sld. Multi speed 3 phase motor 3 speeds 1 direction power control diagrams one line diagram of simple contactor circuit.
It is very versatile and comprehensive because it can depict very simple dc circuits or a very complicated three phase system. You are looking at the three line diagram. Basics 7 416 kv 3 line diagram.
And the secondary winding is connected in delta.
You are looking at the three line diagram. 3used for control designing circuit. Dreierlinie f basketball sports three point line. Others will give you better answers but im guessing they mean the 3 phase power wiring diagram.