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Current-fed inverters that have series diodes to trap the charge on a commutating capacitor can supply ac loads of any power factor. A single-phase circuit with counter emf-inductance load, such as a motor, has been analyzed by digital computer simulation, valid for all modes of operation. The magnitude and phase of the ac load current are graphically related to the direct current and thyristor firing...
The circuits used in power electronics employ semiconductor switching devices that turn on and off in cyclical order. The effective circuit topology depends upon the combination of conducting and nonconducting devices at the time in question, and the switching action generates a succession of transients. "Steady-state" operation is construed to mean that the transients in one cycle repeat...
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