Electric power conversion systems – Current conversion – Including an a.c.-d.c.-a.c. converter
Patent
1987-03-16
1989-08-29
Salce, Patrick R.
Electric power conversion systems
Current conversion
Including an a.c.-d.c.-a.c. converter
363 37, 363 96, 363135, H02J 336
Patent
active
048623407
ABSTRACT:
In a DC power transmission system wherein two AC systems are interconnected by a first converter, a DC transmission line and a second converter to transmit power from one of the AC systems to the other of the AC systems via the DC transmission line, the DC power transmission system is provided wherein at least one of the first and second converters operating as an inverter is a current type self-commutated converter capable of being pulse-width controlled, the reactive power of the current type self-commutated converter is regulated by controlling a phase difference angle between its AC voltage and current, the DC voltage is regulated by pulse-width controlling the current type self-commutated converter, and the DC current is regulated by the converter operating as a rectifier.
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"Instantaneous Reactive Power Compensators Comprising Switching . . . ", H. Akagi et al., IEEE Transactions on Industry Applications, vol. IA-20, No. 3, Part 1, May/Jun. 1984, pp. 625-630, N.Y.
Kabushiki Kaisha Toshiba
Salce Patrick R.
Todd Voeltz Emanuel
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