H - Electricity
02
M
364/34, 321/46
H02M 1/12 (2006.01) H02M 7/5387 (2006.01)
Patent
CA 1276978
23 52,068 ABSTRACT OF THE DISCLOSURE A PWM inverter in which the maximum three-phase RMS pole-to-pole output voltage is increased, to more efficiently utilize a fixed DC power supply, by generating substantially sinusoidal changing pole voltages having no values within predetermined zones adjacent to each power supply limit, and by switching each pole voltage to a power supply limit for a predetermined number of electrical degrees during each half cycle, resulting in step changes in the pole voltage waveforms from the substantially sinusoidal changing waveform to a fixed power supply limit.
501291
Caputo William Robert
Husson Alan Louis
Lee Kenneth Kun
Ag Inventio
Riches Mckenzie & Herbert Llp
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