01/03/2022

Working of Isolation Transformer

 

  • The isolation transformer isolates input circuit and output circuit. 
  • As there is no electrical connection between input circuit connected to primary and output circuit connected to secondary, it provides protection to users against live equipment. 
  • It reduces the risk of person simultaneously touching live conductor and earth, as the secondary winding has no earth connection and therefore no earth current to flows.
  • Large isolating transformer can handled power of about 250 VA – 500 VA without overloading. 
  • The primary to secondary turns ration is 1 : 1 in the case of isolation transformer. 
  • There is an earthed metal shield between primary and secondary winding to prevent AC passes by electrostatic and inductive coupling of the two windings.


isolation-transformer.png


You may also like to read these articles :

India’s Green Hydrogen Policy – 1

Radio Frequency Transformer

Microphone Transformer

Types of Resolver

Working of BLDC Motor

Construction & Working of Variable Reluctance Stepper Motor

 

Application

  • Voice and data communication equipment such as fax machines and modems
  • Impedance matching of equipment input and output of telephone lines

Precaution

  • The isolation transformer does not prevent shock to person touching live conductor and neutral at the same time.

 

No comments:

Post a Comment