Power factor correction converter and power factor correction conversion device
First Claim
1. A power factor correction converter, comprising:
- at least two groups of bidirectional switches;
an autotransformer;
a boost inductor;
a bus filter capacitor;
at least two front bridge arms; and
a rear bridge arm,wherein a front end of each group of the at least two groups of the bidirectional switches is connected to a coil of the autotransformer in one-to-one correspondence,wherein a rear end of each group of the at least two groups of the bidirectional switches is connected to one end of an alternating current (AC) input power grid,wherein a central tap of the autotransformer is connected to an output end of the boost inductor,wherein an input end of the boost inductor is connected to the other end of the AC input power grid or, a central tap of the autotransformer is connected to the other end of the AC input power grid,wherein the boost inductor is integrated in the autotransformer,wherein the front end of each of the at least two groups of bidirectional switches is connected to an intermediate connection point of one of the front bridge arms,wherein the rear end of each of the at least two groups of bidirectional switches is connected to an intermediate connection point of the rear bridge arm,wherein each of the front bridge arms include two diodes unidirectionally connected in series,wherein the intermediate connection point is located between the two diodes,wherein two ends of each of the front bridge arms are connected to two ends of the bus filter capacitor, respectively,wherein the rear bridge arm includes two diodes unidirectionally connected in series,wherein the intermediate connection point is located between the two diodes, andwherein two ends of the rear bridge arm are connected to two ends of the bus filter capacitor, respectively.
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Accused Products
Abstract
A power factor correction converter and a power factor correction conversion device, includes two groups of bidirectional switches, an autotransformer, a boost inductor, a bus filter capacitor, two front bridge arms; and a rear bridge arm; the front end of each group of bidirectional switches are connected to a coil of the autotransformer in one-to-one correspondence, and a rear end of each group of bidirectional switches is connected to one end of an AC input power grid; a central tap of the autotransformer is connected to an output end of the boost inductor, and an input end of the boost inductor is connected to the other end of the AC input power grid; a front end of each group of bidirectional switches is connected to a front bridge arm, and a rear end is connected to the rear bridge arm.
12 Citations
7 Claims
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1. A power factor correction converter, comprising:
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at least two groups of bidirectional switches; an autotransformer; a boost inductor; a bus filter capacitor; at least two front bridge arms; and a rear bridge arm, wherein a front end of each group of the at least two groups of the bidirectional switches is connected to a coil of the autotransformer in one-to-one correspondence, wherein a rear end of each group of the at least two groups of the bidirectional switches is connected to one end of an alternating current (AC) input power grid, wherein a central tap of the autotransformer is connected to an output end of the boost inductor, wherein an input end of the boost inductor is connected to the other end of the AC input power grid or, a central tap of the autotransformer is connected to the other end of the AC input power grid, wherein the boost inductor is integrated in the autotransformer, wherein the front end of each of the at least two groups of bidirectional switches is connected to an intermediate connection point of one of the front bridge arms, wherein the rear end of each of the at least two groups of bidirectional switches is connected to an intermediate connection point of the rear bridge arm, wherein each of the front bridge arms include two diodes unidirectionally connected in series, wherein the intermediate connection point is located between the two diodes, wherein two ends of each of the front bridge arms are connected to two ends of the bus filter capacitor, respectively, wherein the rear bridge arm includes two diodes unidirectionally connected in series, wherein the intermediate connection point is located between the two diodes, and wherein two ends of the rear bridge arm are connected to two ends of the bus filter capacitor, respectively. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A power factor correction conversion device, comprising:
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a power factor correction converter; an alternating current (AC) input power grid; and a load, wherein the power factor correction converter comprises at least two groups of bidirectional switches, an autotransformer, a boost inductor, a bus filter capacitor, at least two front bridge arms, and a rear bridge arm, wherein a front end of each group of the at least two groups of the bidirectional switches is connected to a coil of the autotransformer in one-to-one correspondence, wherein a rear end of each group of the at least two groups of the bidirectional switches is connected to one end of the AC input power grid, wherein a central tap of the autotransformer is connected to an output end of the boost inductor, wherein an input end of the boost inductor is connected to the other end of the AC input power grid or, a central tap of the autotransformer is connected to the other end of the AC input power grid, wherein the boost inductor is integrated in the autotransformer, wherein the front end of each of the at least two groups of bidirectional switches is connected to an intermediate connection point of one of the front bridge arms, wherein the rear end of each of the at least two groups of bidirectional switches is connected to an intermediate connection point of the rear bridge arm, wherein each of the front bridge arms include two diodes unidirectionally connected in series, wherein the intermediate connection point is located between the two diodes, wherein two ends of each of the front bridge arms are connected to two ends of the bus filter capacitor, respectively, wherein the rear bridge arm includes two diodes unidirectionally connected in series, wherein the intermediate connection point is located between the two diodes, wherein two ends of the rear bridge arm are connected to two ends of the bus filter capacitor, respectively, wherein one end of the AC input power grid is connected to the rear end of each group of bidirectional switches, wherein the other end of the AC input power grid is connected to the input end of the boost inductor, and wherein two ends of the load are connected to two ends of the bus filter capacitor, respectively.
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Specification