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Transformer Regulation With Example.


A Transformer will generally provide a higher output voltage when no load is attached to it than when the transformer is fully loaded at nameplate capacity. Stated differently, under load, a transformer’s output voltage drops slightly.
Transformer’s Regulation is the ratio of the difference between transformer’s No Load Output Voltage to its Full Load Output Voltage expressed as a Percentage (%).

For example, suppose a transformer has a No Load Voltage of 240 volts and a Full Load Voltage of 230 Volts. The transformer’s Regulation is calculated as follows.
 

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5 comments

  1. Hi it should be over 240v haha

  2. Please tell me about isolation.<br />How it works in transformer mean to say after isolation we protect ourself by geting shock.<br />Please explain

  3. regulation %=(no load – full load)*100/full load

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