Transformers

Participants join this course to gain a clear and strong understanding of transformer fundamentals in simple language. It helps them understand working principles, losses, and tests, which are very important for exams and interviews. The course also improves problem-solving skills and practical knowledge used in real electrical systems.

• Basic concept of transformers

• Importance and applications

• Principle of mutual induction

• Energy transfer mechanism

• EMF generation concept

• Types of induced EMF

• Core construction

• Winding arrangement

• Insulation and cooling

• Based on construction

• Based on application

• Based on cooling

• Derivation of EMF equation

• Significance of EMF equation

• Definition of ideal transformer

• Assumptions and characteristics

• Definition of transformation ratio

• Relation between voltage, current, and turns

• Load conditions

• Effect of load on voltage and current

• Effect of winding resistance

• Copper losses and voltage drop

• Leakage flux concept

• Impact on performance

• Approximate equivalent circuit

• Exact equivalent circuit

• Types of losses

• Effect on efficiency

• Causes of copper losses

• Dependence on load

• Core losses

• Factors affecting iron losses

• Causes of stray losses

• Relation to copper and iron losses

• Insulation losses

• Factors influencing dielectric loss

• Effect of voltage and frequency

• Practical significance

• Hysteresis phenomenon

• Numerical problems

• Flux control concept

• Loss behavior

• Purpose of transformer testing

• Types of tests

• Procedure

• Determination of iron losses

• Procedure

• Determination of copper losses

• Problem-solving methods

• Interpretation of results

• kVA rating concept

• Factors affecting transformer rating

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