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Turbine generator system with DC output

A technology for turbine generators and generators, which is applied in the direction of controlling generators, generator control circuits, control systems, etc., and can solve problems such as impact and high cost

Active Publication Date: 2016-06-15
ABB RES LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

similarly, these schemes also suffer from relatively high costs due to the at least partial use of PM generators

Method used

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  • Turbine generator system with DC output
  • Turbine generator system with DC output
  • Turbine generator system with DC output

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Embodiment Construction

[0025] In the claims and the following discussion, terms such as "first" and "second" are used to distinguish multiple similar elements, regions, sections, etc., and are not intended to imply a specific order or priority. Level unless the context clearly indicates otherwise. In addition, as used herein, the terms "having", "including", "including" and the like are open-ended terms, which indicate the existence of the referred element or feature but do not exclude additional elements or features. Similarly, the use of the singular articles "a", "an" and "the" are not intended to exclude the additional existence of the items involved. Throughout the specification, the same terms refer to the same elements.

[0026] With reference to the drawings, it will be understood that the multiple drawings including multi-phase components and connections are all schematic. Although these multi-phase components and connections can generally be three-phase components as commonly used in power ...

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Abstract

A turbine generator system includes a doubly-fed alternating-current (AC) generator having a first poly-phase circuit (e.g., a stator circuit) and a second poly-phase circuit (e.g., a rotor circuit), a poly-phase AC-to-AC converter circuit coupled between the first and second poly-phase circuits, a poly-phase transformer having input windings coupled to the first poly-phase circuit and having output windings, and a uni-directional rectifier circuit coupled to the output windings of the poly-phase transformer and configured to convert poly-phase AC from the transformer output windings to direct current (DC).

Description

Technical field [0001] The present disclosure generally relates to power generation systems, and more specifically, to generator systems with direct current (DC) output. Background technique [0002] After more than ten years of rapid growth, interest in the field of wind energy continues to grow. Zhe Chen et al. published "AReview of the State of the Art of Power Electronics for Wind Turbines" in IEEETransactionson Power Electronics, Vol. 24, No. 8 in August 2009, and provided an overview of the technologies used for wind power generation until 2009. According to Chen's article, early wind power generation usually used squirrel cage induction generators directly connected to the alternating current (AC) grid, but technological development has shifted to support variable-speed power generation technologies. [0003] figure 1 The basic elements of a typical variable speed, wind-based power generation system 100 are illustrated. The blade 110 is connected to the doubly-fed inductio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02P9/00H02J1/00
CPCH02P9/007H02J1/102F05D2220/7642F05D2260/85F05D2220/764F05D2220/7644F05D2220/7646F01D15/10H02P9/42
Inventor S·巴拉D·特雷梅林
Owner ABB RES LTD