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Cascaded multiple matrix converter

A matrix converter and multiplexing technology, which is applied in the direction of converting AC power input to AC power output, output power conversion device, electrical components, etc., can solve the problems of technical public reports, etc., and achieve strong versatility, simple structure, and conversion good effect

Inactive Publication Date: 2007-08-08
SHANGHAI JIAO TONG UNIV +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Embodiment Construction

[0018] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and embodiments. The following examples are further illustrations of the present invention, but do not constitute a limitation of the present invention.

[0019] Taking the 5-fold cascaded multiplexed matrix converter designed by the present invention as an example, the structure is shown in Figure 1, which consists of a total input filter 1, a step-down transformer 2, a converter array 3 and a total controller 4. The total input filter 1 is composed of three filter inductors and three filter capacitors. The input ends of the three filter inductors are connected to the grid, and the output ends are connected to the three-phase primary winding of the step-down transformer 2. One end of the three filter capacitors is respectively connected to the three Only the output ends of the filter inductors are connected, and the other ends are connected to ...

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Abstract

The invention relates to one cross multiple array integral device, wherein, the bus input filter is connected between electrical net and release transducer for filter to get sine wave input current; release transducer has n secondary sets with different phases with difference for 60degree / n; integral array is distributed by n integral device unit into one row and n levels with each level connected to the transducer secondary set; the array integral device unit outputs series to form one path of direct output for whole system control.

Description

technical field [0001] The invention relates to a cascaded multiple matrix converter, in particular to a step-down transformer suitable for three-phase high-voltage AC power supply and adopting multiples of three secondary windings and a cascaded multiple three-phase-single-phase A matrix converter, a cascaded multiple matrix converter capable of obtaining a higher amplitude and adjustable amplitude and frequency three-phase AC voltage. It belongs to the technical field of power electronic equipment. Background technique [0002] In the field of medium and high-voltage high-power AC power transmission, including fans, pumps and other loads widely used in industrial and mining enterprises, traditionally, three-phase power frequency and high-voltage AC power is used to directly supply power to the motor. Without voltage regulation and frequency adjustment, the efficiency is often very low. , and poor starting and speed regulation performance. With the development of power el...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M5/451
Inventor 杨喜军雷淮刚管洪飞丁国萍
Owner SHANGHAI JIAO TONG UNIV
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