The wye y configuration as the name suggests is also called the y circuit and sometimes the star circuit. A star connection is a 4 wire system and a delta connection is a 3 wire system.

Star Delta Transformation And Delta Star Transformation
Difference between star and delta wiring. For example a 400v 3 phase power supply star applies phase to neutral or 230v. Star delta uses two contactors one to start at a lower voltage in star and one to run at a higher voltage in delta configuration. A delta circuit is a three wire circuit and a wye circuit can be either a three wire circuit or a four wire circuit. Star and delta connection. Difference between star and delta connection difference between star and delta connection are explained considering various factors like the basic definition of the connections the existence of a neutral point the connection of the terminals the relation between line current and phase current and also between line voltage and phase voltage speed its insulation level number of turns type. Typically the delta part of star delta.
We mostly use the terms star and delta in electrical systems while discussing three phase ac circuits and electric motors. Star and delta connections are the two types of connections in a 3 phase circuits. Difference between star and delta connection are explained considering various factors like the basic definition of the connections the existence of a neutral point the connection of the terminals the relation between line current and phase current and also between line voltage and phase voltage speed its insulation level number of turns type of system and. Comparison between star and delta connections. Difference between delta and wye. They differ in the way they are interconnected in a particular fashion.
Below is a given table which compares both star and delta connections showing the exact difference between star y and delta δ connections. Before going in to details of the star connection delta connection and comparing those two let us have a very brief note on three phase electric power.