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A Converter Topology

A converter and topology technology, which is applied in the field of electric energy conversion equipment, can solve the problems of the number of output levels of the converter and the insufficient utilization rate of bus voltage, and achieve the effect of good application prospects.

Active Publication Date: 2018-12-25
广东天枢新能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the deficiencies of the above-mentioned prior art, the purpose of the present invention is to provide a converter topology, aiming to solve the problems of insufficient output levels and bus voltage utilization of existing converters

Method used

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Embodiment Construction

[0027] The present invention provides a converter topology. In order to make the object, technical solution and effect of the present invention more clear and definite, the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0028] like image 3 Shown is a converter topology of a specific embodiment of the present invention. It includes: a DC input power supply 100 , several module circuits 200 as power components and a voltage output terminal 300 .

[0029] The module circuit is used as a power element to replace the power switch tube in the original converter. The specific connection mode and quantity between them can be determined by the practically applied converter.

[0030] Among them, such as figure 2 As shown, the module circuit includes: the mod...

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Abstract

The invention discloses a converter topology. The converter topology comprises a DC input power supply, a plurality of module circuits serving as power components and a voltage output end, wherein the DC input power supply controls in a predetermined control mode, a power unit comprising the module circuits forms a target output voltage at the voltage output end, each module circuit comprises a module circuit input power supply, a power circuit and an output port which are sequentially connected and is at least provided with a circuit mode, and output port voltages of the circuit mode are a positive input power supply voltage, a reverse input voltage and a zero potential. By adopting special control on the module circuits, different voltages are output, the DC voltage utilization ratio of a bus is effectively improved, and moreover, the number of levels which can be output by the output end is increased.

Description

technical field [0001] The invention relates to the technical field of electric energy conversion equipment, in particular to a converter topology. Background technique [0002] figure 1 The dual-inverter output converter shown is an indispensable power electronic device in industrial applications, and is widely used in power systems, high-speed trains, electric vehicles, large uninterruptible power supplies (UPS), new energy power generation and other fields. However, as the power of the converter increases, the switching frequency of the power switch tube increases and the harshness of the application environment continues to increase, higher requirements are put forward for the controllability, stability and output level of the converter. Requirements are the key technical issues in the field of power electronic converters. [0003] Therefore, the prior art has yet to be developed. Contents of the invention [0004] In view of the shortcomings of the prior art above,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02M7/483
CPCH02M7/483
Inventor 李湘峰屈莉莉廖慧
Owner 广东天枢新能源科技有限公司