Pulse width modulated power inverter output control

Details Pulse width modulated power inverter output control Pulse width modulated power inverter output control

2011-08-09

2011-08-09

Van, Quang T (Department: 3742)

Industrial electric heating furnaces

Electroslag remelting device

Electrode support

C373S047000, C373S049000

Reexamination Certificate

active

07995639

ABSTRACT:
A method is provided for output control of a pulse width modulated power inverter used with a substantially resistive, single phase, ac load such as an electro-slag remelting furnace. In one application of the method, during each of the inverter's half cycle outputs, active switching devices are alternatively pulsed on and off during the half cycle so that only half of the switching transients in the half cycle are handled by one of the active switching devices.

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