Back to knowledge base
Components

Transformer Principles

Transformer Principles Basic Principle Uses electromagnetic induction to transfer electrical energy and transform voltage. Turn Ratio Formula - N1, N2: Primary…

About 5 min read intermediate
TransformerTurns ratioVoltage transformationMutual inductance

Transformer Principles

Basic Principle

Uses electromagnetic induction to transfer electrical energy and transform voltage.

Turn Ratio Formula

V1/V2 = N1/N2 = I2/I1
  • N1, N2: Primary and secondary turns
  • V1, V2: Primary and secondary voltages
  • I1, I2: Primary and secondary currents
  • Transformer Types

    Power Transformer

  • Power frequency transformer
  • Switching transformer
  • Audio Transformer

  • Input transformer
  • Output transformer
  • Pulse Transformer

  • Drive transformer
  • Current transformer
  • Efficiency

    η = Pout / Pin × 100%

    Losses

  • Copper loss: Coil resistance
  • Iron loss: Eddy current and hysteresis