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Transformer

Transformer. Device that changes Electrical energy into magnetic energy Types of Transformer Step down Step up Choke Audio Filter. Kinds of Transformer. Center Tapped Multiple output transformer Ferrite transformer. E P /E S =N P /N S. EP - Voltage applied to the primary

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Transformer

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  1. Transformer • Device that changes Electrical energy into magnetic energy Types of Transformer • Step down • Step up • Choke • Audio • Filter

  2. Kinds of Transformer • Center Tapped • Multiple output transformer • Ferrite transformer

  3. EP/ES =NP/NS EP- Voltage applied to the primary Es- voltage generated in the secondary Ip- current demanded by the primary Is- current demanded by the load requirements of the secondary. Np – number of turns in the primary coil Ns- number of turns in the secondary coil

  4. A transformer has 2200 turns with primary voltage of 200 V how may turns is required if the transformer input will supplied by the following voltages: a) 210 voltsb) 220 Voltsc) 230 Voltsd) 245 Volts

  5. Problem 2 A transformer is supplied by a 220 volt at 15 turns per volts, how many turns is required to produce a 12 Volts and a 30 volts in the secondary or the output of the transformer.

  6. Problem 3 • A 3 ampere transformer has a secondary output of 24 volts how many turns is required to produced if the computed value of turns is 7 turns per volts?

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