'Ece 442 power electronics' diaporamas de présentation

Series Resonant Inverter with Bidirectional Switch

1.61k views • 27 slides

Sinusoidal Pulse-Width Modulation

Sinusoidal Pulse-Width Modulation. In multiple-pulse modulation, all pulses are the same width Vary the pulse width according to the amplitude of a sine wave evaluated at the center of the same pulse. Generate the gating signal. 2 Reference Signals, v r , -v r.

2.26k views • 13 slides

531 views • 11 slides

Diode with an LC Load

Diode with an LC Load. No initial conditions. Close the switch @ t = 0. Solve for the current i. Solution. Capacitor Voltage. What happens at time t 1 = ?? LC ?. Waveforms of Current and Voltage.

243 views • 7 slides

Characteristics of Switching Devices Typical Switching Configuration

Characteristics of Switching Devices Typical Switching Configuration. Typical Switching Waveforms. Turn device ON. Turn device OFF. ON and OFF Times. Storage time, t s Fall time, t f t off = t s + t f. Delay time, t d Rise time, t r t on = t d + t r.

146 views • 6 slides