STAGGERED PARALLEL THREE-LEVEL DC/DC CONVERTER AND AC/DC CONVERTER
First Claim
1. A staggered parallel three-level DC/DC converter, comprising:
- at least one input power supply;
N-phase three-level DC/DC circuits, N resonant inductors, N resonant capacitors, N transformers, and N rectifier circuits;
a first inductor; and
an output circuit;
wherein one end of an i th resonant inductor is connected to an i th-phase three-level DC/DC circuit, and the other end of the i th resonant inductor is connected to an excitation inductor of an i th transformer;
wherein one end of an i th resonant capacitor is connected to the i th-phase three-level DC/DC circuit, and the other end of the i th resonant capacitor is connected to the excitation inductor of the i th transformer;
wherein one end of the first inductor is connected to the output circuit, the other end of the first inductor is connected to the N rectifier circuits;
or one end of the first inductor is connected to the input power supply, and the other end of the first inductor is connected to the N-phase three-level DC/DC circuits;
wherein N is an integer and is greater than or equal to 2; and
wherein i is an integer and 1≦
i≦
N.
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Accused Products
Abstract
A staggered parallel three-level DC/DC converter and an AC/DC converter includes: at least one input power supply, N-phase three-level DC/DC circuits, N resonant inductors, N resonant capacitors, N transformers, N rectifier circuits, a first inductor, and an output circuit; one end of an i th resonant inductor is connected to an i th-phase three-level DC/DC circuit, the other end of the i th resonant inductor is connected to an excitation inductor of an i th transformer; one end of an i th resonant capacitor is connected to the i th-phase three-level DC/DC circuit, and the other end of the i th resonant capacitor is connected to the excitation inductor of the i th transformer; or one end of the first inductor is connected to the input power supply, and the other end of the first inductor is connected to the N-phase three-level DC/DC circuit; where N is an integer and is greater than or equal to 2, and i is an integer and 1≦i≦N.
25 Citations
16 Claims
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1. A staggered parallel three-level DC/DC converter, comprising:
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at least one input power supply; N-phase three-level DC/DC circuits, N resonant inductors, N resonant capacitors, N transformers, and N rectifier circuits; a first inductor; and an output circuit; wherein one end of an i th resonant inductor is connected to an i th-phase three-level DC/DC circuit, and the other end of the i th resonant inductor is connected to an excitation inductor of an i th transformer; wherein one end of an i th resonant capacitor is connected to the i th-phase three-level DC/DC circuit, and the other end of the i th resonant capacitor is connected to the excitation inductor of the i th transformer; wherein one end of the first inductor is connected to the output circuit, the other end of the first inductor is connected to the N rectifier circuits;
or one end of the first inductor is connected to the input power supply, and the other end of the first inductor is connected to the N-phase three-level DC/DC circuits;wherein N is an integer and is greater than or equal to 2; and wherein i is an integer and 1≦
i≦
N. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An AC/DC (alternating current/direct current) converter, comprising:
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a power factor rectifier circuit; and a staggered parallel three-level DC/DC (direct current/direct current) converter which comprises; at least one input power supply, N-phase three-level DC/DC circuits, N resonant inductors, N resonant capacitors, N transformers, N rectifier circuits, a first inductor, and an output circuit; wherein one end of an i th resonant inductor is connected to an i th-phase three-level DC/DC circuit, and the other end of the i th resonant inductor is connected to an excitation inductor of an i th transformer; wherein one end of an i th resonant capacitor is connected to the i th-phase three-level DC/DC circuit, and the other end of the i th resonant capacitor is connected to the excitation inductor of the i th transformer; wherein one end of the first inductor is connected to the output circuit, the other end of the first inductor is connected to the N rectifier circuits;
or one end of the first inductor is connected to the input power supply, and the other end of the first inductor is connected to the N-phase three-level DC/DC circuits;wherein, N is an integer and is greater than or equal to 2, and i is an integer and 1≦
i≦
N. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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Specification