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Integrated ac/dc power converter with autotransformer and boosting capabilities

A converter, composite technology, used in transformers, fixed transformers, irreversible AC power input to DC power output and other directions, can solve problems such as reducing reliability

Inactive Publication Date: 2013-05-29
HONEYWELL INT INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the increase in the number of parts and the connections between them, the reliability is greatly reduced

Method used

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  • Integrated ac/dc power converter with autotransformer and boosting capabilities
  • Integrated ac/dc power converter with autotransformer and boosting capabilities
  • Integrated ac/dc power converter with autotransformer and boosting capabilities

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Embodiment Construction

[0048] The following detailed description is of the best present mode of carrying out the exemplary embodiments of the invention. This description is not to be taken in a limiting sense, but merely for the purpose of illustrating the general principles of the invention, as the scope of the invention is best defined by the appended claims.

[0049] Each of the various inventive features described below may be used alone with each other or in combination with other features.

[0050] Broadly, embodiments of the present invention provide a compound AC-to-DC converter with boost capability. The term "composite AC to DC converter" has been coined to distinguish it from converters that use two and more conversion methods in parallel. The composite class autotransformer design for a boost topology system starts with a vector diagram constructed using the top of the line-to-line voltage vector. The constructor arc swings between these tips, which is equal to the length of the line-t...

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Abstract

A composite-like AC-to-DC converter has boosting capabilities. The term ''composite AC-to-DC converter'' has been coined to distinguish a converter using two or more conversion methods in parallel. All the autotransformer designs for the boost topology composite-like system begin with vector diagrams constructed using the tips of the line-to-line voltage vectors. A constructor arc is swung between these tips equal to the length of the line-to-line voltage vector span. The number of autotransformer three-phase outputs is then determined by the number of equally spaced rays drawn from the opposite vector tip to the arc. The intersection of points of these rays with the arc are used to design the composite-like autotransformer's winding's voltage ratios and interconnections.

Description

Background technique [0001] The present invention relates to apparatus and methods for alternating current (AC) to direct current (DC) power conversion using asymmetric autotransformer technology, and, more particularly, to apparatus and methods for AC to DC power conversion with boost capability. [0002] AC to DC converters play an important role in the modern aerospace industry / military industry. This is especially true in the field of more electronic architectures (MEAs) for aircraft and aircraft. [0003] The commercial aircraft business is moving towards MEAs with non-bleed environmental control systems (ECS), variable frequency (VF) power distribution systems and electric actuation. A typical example is the Boeing 787 platform. The Airbus A350 aircraft contains a large number of MEA components. In the future, next-generation Boeing aircraft (to replace the 737) and Airbus aircraft (to replace the A320) will more likely use MEA. Some military aircraft already utilize...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M7/04H02M1/12
CPCH02M1/12H02M1/14H02M7/068H02M7/08H01F30/14H01F30/02
Inventor E·加內夫W·沃尔K·陈
Owner HONEYWELL INT INC