Method for calculating temperature rise of reactor based on visualization algorithm

A calculation method and reactor technology, applied in calculation, instrumentation, electrical digital data processing, etc., can solve problems affecting electrical equipment and high voltage distortion rate

Inactive Publication Date: 2015-01-28
JIANGSU NARI POWER ELECTRIC +2
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Problems solved by technology

[0003] The commonly used rectifier circuit adopts a three-phase bridge structure. Although the capacitor filter circuit is re

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  • Method for calculating temperature rise of reactor based on visualization algorithm
  • Method for calculating temperature rise of reactor based on visualization algorithm
  • Method for calculating temperature rise of reactor based on visualization algorithm

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with the drawings. The following embodiments are only used to illustrate the technical solutions of the present invention more clearly, and cannot be used to limit the protection scope of the present invention.

[0019] The commonly used rectifier circuit adopts a three-phase bridge structure. Although the capacitor filter circuit is required by many designers, the output voltage distortion rate is relatively large, which will affect the electrical equipment. In order to prevent the impact of large current in the rectifier circuit, a DC iron core reactor is connected in series on the basis of the capacitor filter circuit to form a filter circuit. The filter circuit structure includes a rectifier bridge, a DC iron core reactor, a filter capacitor and a load. The output voltage of the rectifier bridge contains not only DC components, but also AC harmonics, which are unfavorable to the work of the load. If t...

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Abstract

The invention discloses a method for calculating temperature rise of a reactor based on a visualization algorithm. The length l of a magnetic path of an iron core of the reactor, the cross section S of the iron core of the reactor and the turn number N of a coil of the reactor are used as three variables, and a to-be-solved temperature rise value is obtained by a visualization figure at the premise of meeting the induction quantity and optimizing the volume. The method has the beneficial effects that the length l of the magnetic path of the iron core of the reactor, the cross section S of the iron core of the reactor and the turn number N of the coil of the reactor are used as the three variables, the temperature rise value of the reactor is obtained under the condition of meeting the requirements of the turn number N of the coil and the cross section S of the iron core, and the length l of the magnetic path of the iron core of the reactor, the cross section S of the iron core of the reactor and the turn number N of the coil of the reactor are obtained by utilizing a change tendency chart; the problem of unification is solved by the visualization algorithm, the design process is relatively visual, simple and convenient, and the change of a function is conveniently observed.

Description

Technical field [0001] The invention relates to a reactor temperature rise calculation method, in particular to a reactor temperature rise calculation method based on a visualization algorithm. Background technique [0002] With the rapid development of power electronic technology, various power electronic devices are widely used in many fields such as power systems, industry, transportation, and households. The harmonic problems caused by this are becoming more and more serious. Therefore, solving the harmonic problems is current The most important question. Unlike other electrical components, it is difficult for users to purchase inductors that meet their own requirements. To design a magnetic component specifically to meet the electrical performance conditions, it is necessary to comprehensively consider its cost, volume, weight and other difficulties. [0003] The commonly used rectifier circuit adopts a three-phase bridge structure. Although the capacitor filter circuit is re...

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Application Information

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IPC IPC(8): G06F19/00
Inventor 刘旭光邹剑顾小虎张晓同陈丽红
Owner JIANGSU NARI POWER ELECTRIC
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