Controlled Current Feedback in a Static Inverter with Neutralization of Harmonics

Controlled Current Feedback in a Static Inverter with Neutralization of Harmonics

Controlled Current Feedback Transformers (CCFT) are used to achieve optimum efficiency in a transistorized static inverter for the Apollo Command Module. Base-drive is established instantaneously as a predetermined function of collector current and of minimum beta. Techniques for steering the CCFT a...

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Veröffentlicht in:IEEE transactions on aerospace 1964, Vol.2 (2), p.985-992
Hauptverfasser: Heinrich, Theodore M., Kernick, Andress
Format: Artikel
Sprache:eng
Schlagworte:
Aerospace control
Circuits
Feedback
Filtering
Inverters
Phased arrays
Power harmonic filters
Power system harmonics
Power transformers
Switches
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Zusammenfassung:Controlled Current Feedback Transformers (CCFT) are used to achieve optimum efficiency in a transistorized static inverter for the Apollo Command Module. Base-drive is established instantaneously as a predetermined function of collector current and of minimum beta. Techniques for steering the CCFT are incorporated in a circuit which synthesizes in one power transformer a 3-phase, stepped-voltage output of low harmonic content before filtering. A buck-boost voltage regulator is used to accomplish high performance with fewer power transistors.
ISSN:0536-1516
2374-944X
DOI:10.1109/TA.1964.4319689