2D versus 3D Core FEA: Choose by the Question
Choose two-dimensional or three-dimensional f…
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Magnetic Equivalent Circuits for Transformer Cores: Useful Simplifications
A magnetic equivalent circuit is useful when …
Read full articleCore Loss under Distorted Excitation: Data Required before Prediction
Predicting core loss under distorted excitati…
Read full articleMeasuring Voltage Waveforms for Magnetic Model Validation
Voltage-waveform measurements used to validat…
Read full articleFlux Walking: Identify the Converter and Core Boundary
Flux walking is a progressive displacement of…
Read full articleSubharmonic Excitation in Transformer Cores
A small subharmonic voltage component can pro…
Read full articleFrequency Scaling of Core Models: Where Simple Rules Break Down
Changing frequency can change flux excursion,…
Read full articleMinor Hysteresis Loops under Ripple Excitation
Ripple can create smaller magnetic reversals …
Read full articleHarmonic Phase Angles and Core Flux Waveforms
Harmonic phase angles can change the peak and…
Read full articlePeak Flux from Distorted Voltage: Beyond RMS Measurements
Peak flux under distorted voltage is determin…
Read full articlePWM Voltage Applied to Utility-Frequency Transformers: Define the Actual Boundary
A utility-frequency transformer connected to …
Read full articleVolt-Second Balance in Transformer Cores: Waveform Area Matters
Core flux follows voltage-time area per turn.…
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