difference between z

Difference between Star Connection and Delta Connection

Difference between Star Connection and Delta Connection

Are you an industrial electrician or newly-employed engineer struggling to understand the differences between star and delta connection wiring methods? Do you often find yourself overwhelmed when faced with complex electrical diagrams and networks of wires? If so, then this blog post is for you. We’ll provide a comprehensive overview of both Star Connection and Delta Connection wiring methods, discuss their similarities and differences, as well as outline important safety considerations to keep in mind when undertaking installations involving these types of wiring. Read on to learn everything you need to know about Star vs Delta connection wiring!

What is Star Connection?

  • Star Connection wiring method is a unique technique of ensuring proper electrical connections. This type of wiring ensures that each connected conductor will have the same voltage potential relative to ground, as well as providing extra protection from short circuiting or other electrical mishaps.
  • Star Connections are made by connecting all voltage lines to a single point, instead of running each line individually between connection points, thus creating a ‘star’ like wheel in terms of system architecture.
  • Star Connection wiring method is often used in industrial settings because it helps ensure that voltage is distributed evenly and maximizes power throughput while improving safety by reducing the chances of wire heat buildup, overloading and fire hazard due to faulty contact or lack of insulation.

What is Delta Connection?

  • Star and Delta connection wiring methods refer to two distinct techniques for connecting components in an electrical circuit. Star Connection, also known as Wye Connection, involves the joining of three phases with a common neutral point for higher voltage applications.
  • On the other hand, Delta Connection, also referred to as Mesh Connection, is used for lower voltage applications where three linear line phases are connected end-to-end with no common neutral point.
  •  Star and Delta Connection wiring methods are both effective tools used by electricians when constructing electrical circuits and provide varying degrees of current routing capabilities within a single system.

Difference between Star Connection and Delta Connection

  • Star and delta connections are two distinct wiring methods used to supply power in three phase circuits. Star connection, also known as a wye connection, is used mainly when the distribution circuit requires a neutral point which can provide reliable grounding for its users.
  • This type of connection begins with the center point of a transformer being connected to a star that has three equidistant points. Delta connection does not have a neutral point and can often be used in utility grids that don’t require grounding within the circuit itself.
  • This type of wiring consists of three sets of coils connected in series where each end is touched to the other sides opposite coil sets resulting in a triangle or delta shape. Star and delta connections both have their own sets of benefits depending on what kind of current needs to be supplied.


Star Connection and Delta Connection wiring methods are two of the most popular wiring schemes used in Ethernet. They both have their own advantages and disadvantages, which we’ve outlined for you. Hopefully this article has helped clear up some of the confusion between these two methods and given you a better understanding of how they work. Have any questions? Leave them in the comments below!

Share this post

Share on facebook
Share on twitter
Share on linkedin
Share on email