D.c.-a.c. converter having an asymmetric half-bridge circuit
First Claim
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1. A d.c.-a.c. converter comprising:
- an asymmetric half-bridge circuit having first and second branches, said branches each comprising a controllable switching means connected to a rectifier means, said controllable switching means in each of said branches being connected to said rectifier means in the other of said branches, andan energy storage means having two terminals, each of which is connected between said rectifier means and said controllable switching means of one of said branches,said controllable switching means driven by phase-shifted control pulses of substantially 180°
pulse width, said control pulses partly overlapping in time.
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Abstract
The invention relates to a d.c.-a.c. converter with an asymmetric half-bridge circuit (1) that has an energy-storing component (6). The controllable switching means (2, 5) of the asymmetric half-bridge circuit (1) are driven by means of phase-shifted control pulses, the control pulses partly overlapping in time. The pulse width of the phase-shifted control pulses is substantially 180 electrical degrees.
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21 Claims
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1. A d.c.-a.c. converter comprising:
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an asymmetric half-bridge circuit having first and second branches, said branches each comprising a controllable switching means connected to a rectifier means, said controllable switching means in each of said branches being connected to said rectifier means in the other of said branches, and an energy storage means having two terminals, each of which is connected between said rectifier means and said controllable switching means of one of said branches, said controllable switching means driven by phase-shifted control pulses of substantially 180°
pulse width, said control pulses partly overlapping in time. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A d.c.-d.c. converter comprising:
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an asymmetric half-bridge circuit having first and second branches, said branches each comprising a controllable switching means connected to a rectifier means, said controllable switching means in one of said branches being connected to said rectifier means in the other of said branches, an energy storage means having two terminals, each of which is connected between said rectifier means and said controllable switching means of one of said branches, and a full-bridge rectifier circuit, which is connected to the output of said energy storage means, said controllable switching means are driven by phase-shifted control pulses, said control pulses partly overlapping in time. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21)
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Specification