Transformer

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Transformer
Institute of Mechatronics and Information Systems
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Transformer structure
Institute of Mechatronics and Information Systems
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Transformer
Institute of Mechatronics and Information Systems
Electromotive force (EMF) Flux therefore
In no-load (idle) condition
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Transformer
Institute of Mechatronics and Information Systems
Voltage ratio in no-load condition Ideal
power equation therefore current ratio
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Transformer
Institute of Mechatronics and Information Systems
Leakage flux
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Transformer
Institute of Mechatronics and Information Systems
Three phase system Ideal power
equation therefore current ratio
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Transformer power losses
Institute of Mechatronics and Information Systems
Core losses Hysteresis Eddy currents
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Transformer power losses
Institute of Mechatronics and Information Systems
Core losses Magnetostriction Stray
losses Mechanical vibration and audible noise
transmission Winding joule losses
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Transformer
Institute of Mechatronics and Information Systems
Equivalent circuit, G type
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Transformer
Institute of Mechatronics and Information Systems
Equivalent circuit, G type No-load
parameters No-load current No-load
(core) losses
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Transformer
Institute of Mechatronics and Information Systems
Equivalent circuit, G type Full-load
(short-circuit) parameters Short-circuit
voltage Short-circuit (winding)
losses
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Transformer
Institute of Mechatronics and Information Systems
Equivalent circuit, G type Approximated,
relative voltage drop under load (simplified
equation)
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Institute of Mechatronics and Information Systems
Thank You for Your attention