Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
Patent
1997-11-24
1999-04-27
Tso, Edward H.
Electric power conversion systems
Current conversion
Including d.c.-a.c.-d.c. converter
363165, 307104, 191 10, H02J 306
Patent
active
058985794
ABSTRACT:
An inductively coupled power distribution system for moving vehicles, in which resonating primary circuits to distribute power for resonating secondary circuits to collect and use in an optimized manner. In order to have all circuits resonating at substantially the same frequency, devices which detect and adjust resonating components are used, such as a frequency drift compensator in which the present frequency is compared to a reference voltage and causes a driver to be ON or OFF accordingly. Switches are driven CLOSED or OPEN respectively and when CLOSED, supplementary capacitors are included with a main capacitor in a primary resonant circuit. Dithering or pulsed control provides a continuous control of resonance, as the system takes some milliseconds to respond.
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Boys John Talbot
Nishino Shuzo
Auckland UniServices Limited
Daifuku Co, Limited
Jardieu Derek J.
Tso Edward H.
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