Electric power conversion systems – Current conversion – With condition responsive means to control the output...
Patent
1994-03-11
1996-01-23
Nguyen, Matthew V.
Electric power conversion systems
Current conversion
With condition responsive means to control the output...
363 17, 363132, H02M 324, H02M 3335, H02M 75387
Patent
active
054869943
ABSTRACT:
Pulse width modulation quasi-resonant voltage inverter including a bridge (2) and an oscillating circuit consisting of an inductance (5) in series with the voltage source (1) and of a capacitor (6) in parallel with the bridge (2), the sampling period was much greater than the resonance period, characterized in that it includes a controlled component operating in blocked/saturated mode (7) in parallel with the capacitor (6) and a voltage sensor (8) parallel with the capacitor (6), the component (7) being controlled by the sensor (8) so as to short-circuit the capacitor (6) when the voltage across the latter's terminals is zero and to enable the transitions of the signal for control of the pulse width modulation regulation.
REFERENCES:
patent: 4833584 (1989-05-01), Divan
patent: 4922397 (1990-05-01), Heyman
patent: 5067066 (1991-11-01), Chida
patent: 5111374 (1992-05-01), Lai et al.
patent: 5172309 (1992-12-01), DeDoncker et al.
patent: 5255174 (1993-10-01), Murugan
patent: 5274540 (1993-12-01), Maehara
Elloumi Khaled
Pouliquen Herve
Electricite de France--Service National
Nguyen Matthew V.
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