High-efficiency power converter system
First Claim
1. A power converter system comprising:
- a first input terminal and a second input terminal operable to connect to an alternating current (AC) power source;
an output terminal at which an output voltage can be provided to a load;
a first inductor and a first diode connected in series between the first input terminal and the output terminal;
a second inductor and a second diode connected in series between the second input terminal and the output terminal;
a first switch connected to the first inductor and the first diode;
a second switch connected to the second inductor and the second diode;
wherein the first switch and the second switch alternately function as a boost switch and a synchronous rectifier for charging and discharging the first and second inductors during operation of the power converter system; and
an auxiliary network operable to provide for zero voltage switching (ZVS) and zero current switching (ZCS) conditions for both the first and second switches during operation of the power converter system.
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Accused Products
Abstract
In one embodiment, a power converter system includes a first input terminal and a second input terminal operable to connect to an alternating current (AC) power source, and an output terminal at which an output voltage can be provided to a load. A first inductor and a first diode are connected in series between the first input terminal and the output terminal. A second inductor and a second diode are connected in series between the second input terminal and the output terminal. A first switch is connected to the first inductor and the first diode, and a second switch is connected to the second inductor and the second diode. The first switch and the second switch alternately function as a boost switch and a synchronous rectifier for charging and discharging the first and second inductors during operation of the power converter system. An auxiliary network is operable to provide for zero voltage switching (ZVS) and zero current switching (ZCS) conditions for both the first and second switches during operation of the power converter system.
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Citations
21 Claims
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1. A power converter system comprising:
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a first input terminal and a second input terminal operable to connect to an alternating current (AC) power source; an output terminal at which an output voltage can be provided to a load; a first inductor and a first diode connected in series between the first input terminal and the output terminal; a second inductor and a second diode connected in series between the second input terminal and the output terminal; a first switch connected to the first inductor and the first diode; a second switch connected to the second inductor and the second diode; wherein the first switch and the second switch alternately function as a boost switch and a synchronous rectifier for charging and discharging the first and second inductors during operation of the power converter system; and an auxiliary network operable to provide for zero voltage switching (ZVS) and zero current switching (ZCS) conditions for both the first and second switches during operation of the power converter system. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A power converter system comprising:
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a first input terminal operable to connect to one end of an alternating current (AC) power source; a second input terminal operable to connect to another end of the AC power source; an output terminal at which an output voltage can be provided to a load; a first boost inductor and a first boost diode connected in series between the first input terminal and the output terminal; a second boost inductor and a second boost diode connected in series between the second input terminal and the output terminal; a first switch operable to function as a boost switch to charge and discharge the first boost inductor during a first half cycle of the AC power source; a second switch operable to function as a boost switch to charge and discharge the second boost inductor during a second half cycle of the AC power source; and an auxiliary network operable to provide for zero voltage switching (ZVS) and zero current switching (ZCS) conditions for both the first and second switches during the first half cycle and the second half cycle, respectively, of the AC power source. - View Dependent Claims (9, 10, 11, 12, 13)
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14. A power converter system comprising:
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a first input terminal and a second input terminal operable to connect to an alternating current (AC) power source; an output terminal at which an output voltage can be provided to a load; a first inductor and a first diode connected in series between the first input terminal and the output terminal; a second inductor and a second diode connected in series between the second input terminal and the output terminal; a first switch connected to the first inductor and the first diode; a second switch connected to the second inductor and the second diode; wherein the first switch and the second switch alternately function as a boost switch and a synchronous rectifier for charging and discharging the first and second inductors during operation of the power converter system; and means for providing for zero voltage switching (ZVS) and zero current switching (ZCS) conditions for both the first and second switches during operation of the power converter system. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21)
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Specification