Star Delta Transformer Connection:

This Diagram shows how to make Star Delta Transformer Connection. In this circuit, we use two electric power transformers for connection. This circuit diagram is very simple and easy to make. If you want to know more details about this circuit please check our youtube video below the post. Please stay with our website for more updates about electrical electronics and robotics projects gadgets and circuits.


Diagram of Star Delta Transformer Connection:

Star Delta Transformer Connection

Components needed For this Project:

You can get the components from any of the sites below:

  1. Single Phase Transformer [See Buy Click Amazon]

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Components used to make the Star Delta Transformer Connection:

01. Transformer:

The primary voltage of the transformer is 11 KV and the secondary is 0.4 KV high voltage. This is a delta star transformer, the high voltage of this transformer uses a delta connection and the low voltage uses a star connection.11KV power transformers are commonly used in power transmission substations to step down high-voltage transmission to distribution levels. 11KV transformers are more often used in distribution substations and on utility poles to further step-down voltage for supply.

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Frequently asked questions

What is the star-to-delta connection in a transformer?

This type of connection is used, where the primary side requires a neutral terminal so that it can be grounded. The star-delta connection was mainly used in step-down transformers, which were located at the substation end of the transmission line.

How is a delta transformer connected?

In a delta configuration, the 3 windings are connected end-to-end to form a closed path. A phase was connected to each corner of the delta. Although delta windings were often operated ungrounded, a leg of the delta can be center-tapped and grounded, or a corner of the delta could be grounded.

Why Delta is used in the transformer?

Why do we use delta-star in the transformer? The low voltage side of the main transformer is triangulated to eliminate the third harmonics. Prevent a large number of harmonics to the system, resulting in power supply grid voltage waveform distortion.

What are 2 types of transformers?

Step-up Transformer: They are used between the power supply generator and the power supply grid. The secondary output voltage was higher than the input voltage. Step-down Transformer: These transformers were used to convert the high-voltage primary supply to the low-voltage secondary output.

What is the principle of a transformer?

The transformer can increase or decrease the voltage with a corresponding decrease or increase in current. The basic principle behind the working of a transformer was the phenomenon of mutual induction between 2 windings linked by common magnetic flux.

Read more Single Phase Wiring


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