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Bi-directional converter voltage controlled current source for voltage regulation

A bidirectional converter, bidirectional current technology, applied in the direction of adjusting electrical variables, output power conversion devices, control/regulation systems, etc., can solve the problems of large low-frequency bus ripple, high bus impedance, and increased current source capacity. Optimized performance, simplified control system, simplified effect of transfer function

Active Publication Date: 2012-10-17
THE BOEING CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Gaps between modes of operation can lead to bus transients which, when subjected to successive load transients, can produce, for example, large low-frequency ripples on the bus
Bus impedance can be high when control is switched from one mode of the central amplifier to another
And in some cases, there will continue to be oscillations of limited amplitude on the bus until the capacity of the current source is increased or the load is changed

Method used

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  • Bi-directional converter voltage controlled current source for voltage regulation
  • Bi-directional converter voltage controlled current source for voltage regulation
  • Bi-directional converter voltage controlled current source for voltage regulation

Examples

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Embodiment Construction

[0024] The following detailed description is exemplary in nature and not intended to limit the application and uses of the disclosure or embodiments of the disclosure. Descriptions of specific devices, techniques, and applications are provided as examples only. Modifications to the examples described herein are readily understood by those skilled in the art, and the general principles defined herein may be applied to other examples and applications without departing from the spirit and scope of the present disclosure. The present disclosure should be accorded scope consistent with the claims and not limited to the examples described and shown herein.

[0025] Embodiments of the disclosure may be described herein in terms of functional and / or logical block components and individual processing steps. It should be appreciated that such logical block components may be realized by any number of hardware, software, and / or firmware configured to perform the specified functions. For...

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Abstract

A bi-directional converter voltage controlled current system and methods are disclosed. A bi-directional converter provides a bi-directional current to an electrical bus according to a variable duty-cycle control signal. Also, a bi-directional current sensing sensor senses the bi-directional current to provide a sensor voltage signal proportional to the converter current. Further, a variable duty-cycle controller controls a duty-cycle of the variable duty-cycle control signal to control a voltage of the electrical bus based on an error signal.

Description

technical field [0001] Embodiments of the present disclosure generally relate to voltage converter systems. More specifically, embodiments of the present disclosure relate to control of voltage converter systems. Background technique [0002] A voltage converter is typically a power converter type of electronic circuit that converts a current source from one voltage level to another. Voltage converters are important in a variety of applications where power is supplied from power sources such as, but not limited to, satellites, spacecraft, automobiles, portable electronic devices such as cell phones and laptop computers, or other power sources. Such applications often contain multiple subcircuits, each with its own voltage level that differs from that of the power supply. The voltage level may be higher or lower than the voltage of the power supply. [0003] A boost / boost converter is a voltage converter whose output voltage is greater than the input voltage. A step-down / ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M3/00
CPCH02M3/158H02M7/68H02M3/04H02J1/06H02M3/00H02M11/00H02M3/1582H02M3/335H02M1/15
Inventor R·M·马蒂内利
Owner THE BOEING CO
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