This book demonstrates the usefulness of the switching function in analyzing powers electronic circuits in the steady state. A procedure is suggested for the effective application of this effective application of this method for the analysis of all types of power electronic circuits. The Kirchoff's Laws and the Superposition theorem are applied by introducing the appropriate switching functions in order to derive Unified Expressions of voltage and current in switched circuits valid at all times. The exact expressions of the current in each semiconductor device in the circuit enables the circuit designer to collect all the relevant data to set the ratings of the device such as rms, average and peak values of voltage and current. The order of the voltage and current harmonics at any point in the circuit are derived with simple arithmetic. Compact expressions are derived for Sinusoidal PWM signals based on the switching function. The order, magnitude and phase of each component are derived directly from the expression with simple arithmetic. The educator has a simple way to present to his students the mechanism of operation of complex switched circuits where all the statements regarding their operation are actually presented in the model of the circuit.

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Titolo: The Switching Function
Editore: Institution of Engineering and Technology, GB
Data di pubblicazione: 2005
Lingua: Inglese
ISBN 10: 086341351X
ISBN 13: 9780863413513
Rilegatura: Hardback
Condizione: New

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This book demonstrates the usefulness of the switching function in analysing power electronic circuits in the steady state. It includes analysis of generic circuits of power electronics using the switching function, and derives compact expressions for output voltage and current and input current. Further coverage includes frequency spectrums and distortion figures together with the power factor where appropriate, and switching function algebra.

Supplementary material can be found at the IET's ebook page

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