Title: Method and apparatus for operating an inverter consisting of two sub-inverters

Abstract: An improved method and apparatus for operating an inverter comprising two sub-inverters having their outputs connected with each other through a choke with a center tap in which the outputs are controlled such that two AC output voltages displaced in phase with respect to each other are applied to the choke. According to the present invention in order to minimize the voltage-time area at the choke, the two AC voltages are reversed in polarity within the range of the control angle at least once with reversals in the two voltages always taking place at the same time and in opposite directions.

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Inventors: Heintze, Konrad (Erlangen, DT)

Application Number: 483538
Filing Date: 1974-06-27
Publication_date: 1976-03-09
Assignee: Siemens Aktiengesellschaft (Munich, DT)
Primary Class(es): 363/71 363/64
Other Classes:
US Patent Ref:

3573602	Apr, 1971	Jensen	321/9.
3611086	Oct, 1971	Mokrytzki et al.	321/9.
3662247	May, 1972	Schieman	321/9.
3694718	Sep, 1972	Graf et al.	321/9.
3739253	Jun, 1973	Humphrey et al.	321/9.
3781635	Dec, 1973	Sauer	321/26.

Other Refs:
Primary Examiner: Shoop, William M.
Assistant Examiner:
Attorney: Kenyon & Kenyon Reilly Carr & Chapin