How to wiring Digram | Star Delta starter | with | Control wiring | Electrical Drawing.

How to wiring Digram | Star Delta starter | with | Control wiring | Electrical Drawing.


What Is a Star Delta Starter?

Star delta starters are another device that may be used to reduce current demand during motor startup. It is often used for starting three-phase induction motors, but can only be used when starting the motor without load and when the required starting current is relatively low.

A star-delta starter is a device that reduces the starting current of a three-phase induction motor by connecting the stator winding in a star configuration while starting and in a delta configuration while running at normal speed. 

Here are some things to know about a star-delta starter: 

(How it works)
A two-way switch connects the stator winding in a star configuration while starting and in a delta configuration while running at normal speed.

(When to use it)
A star-delta starter is often used to start three-phase induction motors, but it can only be used when starting the motor without load and when the required starting current is relatively low. 

(What it does)
A star-delta starter reduces the starting current by approximately one-third compared to the original. 


(Why it's useful)
A star-delta starter reduces the risk of component failure and fires by reducing the current when a motor starts. It can also prevent voltage drops on other machines and devices across the electrical network. 
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