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Multi-pulse transformer for use with an industrial machine

A technology of pulse transformers and industrial machinery, applied in transformers/inductor coils/windings/connections, conversion equipment that can be converted to DC without intermediate conversion, irreversible AC power input conversion to DC power output, etc., can solve expensive , take up space, reduce the efficiency of conventional power systems, etc.

Active Publication Date: 2016-11-09
JOY GLOBAL SURFACE MINING INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Line filter 170 and voltage peak filter 180 are large in size and thus occupy space within the AFE system of industrial machine 200
Furthermore, line filter 170 and voltage peak filter 180 are expensive and reduce the effectiveness of conventional powertrain 150

Method used

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  • Multi-pulse transformer for use with an industrial machine
  • Multi-pulse transformer for use with an industrial machine
  • Multi-pulse transformer for use with an industrial machine

Examples

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Embodiment Construction

[0026] Before any embodiments of the present invention are explained in detail, it can be understood that the present invention is not limited by the details of the structure and element components described in the following description of the application and the description of the subsequent drawings. The present invention can have other embodiments and applications or be implemented in various ways.

[0027] Likewise, it can be understood that the terms and terms used herein are for the purpose of description and should not be considered as limiting. "Include", "include", "have" and their variations here mean that the items listed thereafter and their equivalents and additional items are included. The terms "installation", "connection" and "coupling" are widely used and include direct or indirect installation, connection and coupling. Further, "connection" and "coupling" are not limited to physical or mechanical connection or coupling, and may include electrical connection and...

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Abstract

The invention provides a multi-pulse transformer for an industrial machine, wherein the multi-pulse transformer includes a primary winding and a plurality of secondary windings. The primary winding is coupled to a power source, the power source is operable to generate a primary voltage. The secondary windings are coupled to one or more converters, each of the secondary windings are phase shifted with respect to the primary winding. The converters are operable to provide a secondary voltage to at least one component of the industrial machine, wherein the multi pulse transformer converts the primary voltage to the secondary voltage and attenuates harmonic distortions caused by the converters and the component of the industrial machine. Additionally, the secondary voltage is at a voltage less than the primary voltage.

Description

[0001] Related application [0002] This application claims priority for the U.S. Provisional Application No. 62 / 153,747 filed on April 28, 2015, the entire contents of which are incorporated herein. Technical field [0003] The invention relates to an industrial machine. Background technique [0004] Industrial machinery, such as electric rope shovel or power shovel, rope bucket electric shovel, etc., are used to perform mining operations to remove raw materials from, for example, a pile of mines. Multiple industrial machines can be operated at mine sites, and multiple industrial machinery can receive energy from the mine site power system. [0005] The power supply system typically provides a primary voltage for industrial machinery, which is transformed into a secondary voltage through a transformer of the industrial machinery. The secondary voltage is provided to the DC bus, and the DC bus distributes the secondary voltage to one or more components of the industrial machinery (f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M5/14H02M1/12
CPCH02M1/126H02M5/14H02M7/08H02M1/12H01F27/28E02F9/2095E02F3/308
Inventor W·A·多塞特D·T·胡贝尔J·L·埃瑟
Owner JOY GLOBAL SURFACE MINING INC
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