Electric power conversion systems – Current conversion – With voltage multiplication means
Patent
1999-06-15
2000-03-28
Wong, Peter S.
Electric power conversion systems
Current conversion
With voltage multiplication means
363 60, 307110, H02M 318
Patent
active
06043998&
ABSTRACT:
A voltage multiplying device of the present invention is provided with: a voltage multiplication level setting circuit for setting a voltage multiplying level which indicates how many times the power source voltage is multiplied; a voltage multiplication pulse signal generating circuit for outputting a plurality of voltage multiplication pulse signals, each having a predetermined period and varying with a predetermined phase difference; a condition decoder circuit and a voltage multiplication pulse selecting circuit for outputting a voltage multiplication controlling signal, which varies in accordance with the determined voltage multiplication level, in synchronization with the pulse signal; and a voltage multiplication level outputting circuit for multiplying the power source voltage step by step to the set voltage multiplication level in accordance with the voltage multiplication controlling signal and for outputting the voltage multiplication level in each of the steps. This arrangement makes it possible to obtain a plurality of voltage multiplication levels by using a single voltage multiplying device, without changing a circuit connection.
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Hirashima Hiroyuki
Monomohshi Masahiko
Sharp Kabushiki Kaisha
Vu Bao Q.
Wong Peter S.
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