Electric power conversion systems – Current conversion – With means to introduce or eliminate frequency components
Reissue Patent
2006-04-11
2006-04-11
Nguyen, Matthew V. (Department: 2838)
Electric power conversion systems
Current conversion
With means to introduce or eliminate frequency components
C363S089000
Reissue Patent
active
RE039060
ABSTRACT:
This invention provides a power supply device capable of widening a conduction period of an input current by a simple control to improve a power factor, and reducing a harmonic distortion of the input current The power supply device comprises a rectifier circuit, a reactor, a power factor correction circuit having switching elements, capacitors and a reverse-current blocking rectifier elements, a smoothing capacitor for smoothing an output voltage of the power factor correction circuit to obtain a DC voltage, a pulse signal controller generating and outputting a pulse signal for turning on and off the switching elements, and a driver for receiving the pulse signal to drive a switching elements of the power factor correction circuit.
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Ogawa Masanori
Okui Hiroshi
Greenblum & Bernstein P.L.C.
Nguyen Matthew V.
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