UNDERSTANDING TRANSFORMER AND TRANSFORMER WINDING


            THE  TRANSFORMER

A transformer is an electromagnetic device which transforms alternating voltage and current from high to low values and from low to higher values
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 VP=primary voltage
 VS=secondary voltage
  P=  primary coil
  S= secondary coil

  Flux Variation Waveform In A Transformer


A variety of types of electrical transformer are made for different purpose despite their design differences,they employ the same  principal


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Transformer with two windings and an iron core



Transformer with three windings,the dots show the relative configuration of the windings



Transformer with electrostatic screen preventing capacitive coupling between the windings

 THE TYPES OF TRANSFORMERS

1》ROTARY TRANSFORMER

Rotary Transformer is a specialized transformer used to couple electrical signal between two parts that Rotates in relation to each other as an alternative to slip rings which are prone to contact noise
  
2》AUDIO TRANSFORMER

Audio transformer are speciallydesigned for use in audio circuits to carry audio signals.
ALSO READ-;HOW TO GET ADSENSE APPROVED WITHIN 24 HOURS3》VOLTAGE TRANSFORMER

Voltage transformer are parallel connected type of instruments Transformers used for metering and protection in high voltage circuits.

4》CURRENT TRANSFORMERS

Current transformer are series connected measurements device designed to provide a current flowing in its primary.They are used in metering and protection relays in electrical power industry.

5》INSTRUMENT TRANSFORMER

They are used to operate instruments from high voltage lines or high current circuits,safely isolating measurements and control circuitry from the high voltage or current.

6》AUTOTRANSFORMER

Auto transformer has one windings which is tapped at some point along the windings.voltage is applied across a portion of the windings and a higher or lower voltage is produced across another portion of the same windings.

7》POWER TRANSFORMER

Power transformer are the most common type of transformer used in electric power transmission and appliances to convert mains voltage to low voltage for power electronic devices.

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