Saturday, 21 January 2017

What are the types of Current Transformer

Types of current Transformer:

The current transformer is mainly classified into three types, i.e.,
1.Wound current transformer
2.Bar-type transformers.
3.Toroidal current transformer

1. Wound Transformer :

In this transformer the primary winding is composed inside the transformer. The primary winding had a single turn and connected in series with the conductor that measured the current. The wound transformer is mainly used for measuring the current from 1amps to 100 amps.



2. Bar-type Current Transformer :      

                         The bar type transformer has only  secondary windings. The conductor on which the transformer is mounted will act as primary windings of the current transformers.



3.Toroidal Current Transformer : 

                        This transformer does not contain primary windings. The line through which the current flow in the network is attached through a hole or a window of the transformers. The major advantage of this transformer is that the transformer has a symmetrical shape due to which it has a low leakage flux, thus less electromagnetic interference.



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What are the types of Current Transformer
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