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Method and system for calculating loss of oriented silicon steel laminations

A technology of grain-oriented silicon steel and calculation method, applied in calculation, design optimization/simulation, special data processing application, etc., can solve the problems of large error in calculation results, neglect of temperature and non-sinusoidal magnetization conditions, etc.

Active Publication Date: 2018-09-04
GLOBAL ENERGY INTERCONNECTION RES INST CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to overcome the loss calculation method of oriented silicon steel laminations in the prior art, which only calculates the loss under sinusoidal magnetization conditions, ignores the influence of temperature and non-sinusoidal magnetization conditions, and may cause large errors in calculation results, etc. question

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  • Method and system for calculating loss of oriented silicon steel laminations
  • Method and system for calculating loss of oriented silicon steel laminations
  • Method and system for calculating loss of oriented silicon steel laminations

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Embodiment 1

[0067] An embodiment of the present invention provides a method for calculating the loss of oriented silicon steel laminations, such as figure 1 As shown, the calculation method of grain-oriented silicon steel lamination loss includes:

[0068] Step S1: Obtain information on the magnetization condition to be tested, the total effective mass m of the oriented silicon steel lamination, the single sheet thickness d, the temperature T and the density ρ of the oriented silicon steel lamination.

[0069] Step S2: Obtain the specific total loss test data of the oriented silicon steel lamination when the waveform is sinusoidal in the magnetization condition, and determine the hysteresis loss calculation coefficient according to the specific total loss test data.

[0070] Step S3: Calculate the hysteresis loss of the grain-oriented silicon steel lamination according to the calculation coefficient and the magnetization condition information to be measured.

[0071] Step S4: Calculate t...

Embodiment 2

[0112] An embodiment of the present invention provides a system for calculating the loss of oriented silicon steel laminations, such as Figure 6 As shown, the oriented silicon steel lamination loss calculation system includes: a data acquisition module 1, which is used to obtain the magnetization condition information to be measured, the total effective mass m of the oriented silicon steel lamination, the single sheet thickness d of the oriented silicon steel lamination, and the temperature T and density ρ; the hysteresis loss calculation coefficient determination module 2 is used to obtain the specific total loss test data of the orientation silicon steel lamination when the waveform is sinusoidal in the magnetization condition, and determine the hysteresis loss calculation coefficient according to the specific total loss test data; The hysteresis loss calculation module 3 is used to calculate the hysteresis loss of the oriented silicon steel lamination according to the calcu...

Embodiment 3

[0120] An embodiment of the present invention provides a non-transitory computer storage medium, the computer storage medium stores computer-executable instructions, and the computer-executable instructions can execute the method for calculating loss of oriented silicon steel laminations in any embodiment 1 above. Wherein, the above-mentioned storage medium can be a magnetic disk, an optical disk, a read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a flash memory (Flash Memory), a hard disk (Hard DiskDrive) , abbreviation: HDD) or a solid-state drive (Solid-State Drive, SSD), etc.; the storage medium may also include a combination of the above-mentioned types of memories.

[0121]Those skilled in the art can understand that all or part of the processes in the methods of the above-mentioned embodiments can be completed by instructing related hardware through computer programs, and the programs can be stored in a computer-readable stora...

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Abstract

The invention provides a method and system for calculating the loss of oriented silicon steel laminations. The method comprises the following steps of: obtaining the to-be-measured magnetization workcondition information, the total effective mass m of the oriented silicon steel laminations and the single-chip thickness d, the temperature T and the density rho of the oriented silicon steel laminations; obtaining total loss ratio testing data of the oriented silicon steel laminations when the waveform in the magnetization work condition is sinusoidal and determining a magnetic hysteresis loss calculating coefficient according to the total loss ratio testing data; calculating the magnetic hysteresis loss of the oriented silicon steel laminations according to the calculating coefficient and the to-be-measured magnetization work condition information; calculating the eddy current loss of the oriented silicon steel laminations according to the to-be-measured magnetization work condition information, the single-chip thickness d, the temperature T and the density rho; and calculating the total loss of oriented silicon steel laminations according to the total effective mass m, the magnetichysteresis loss and the eddy current loss. By implementing the method provided by the invention, the accuracy of calculation results is increased, so that an accurate data basis is provided for scientific research and practical applications of the oriented silicon steel laminations.

Description

technical field [0001] The invention relates to the field of operation and manufacture of electrical equipment, in particular to a method and system for calculating loss of oriented silicon steel laminations. Background technique [0002] Oriented silicon steel laminations have the characteristics of high magnetic permeability and low loss, and are widely used in the design and manufacture of iron core structures for electrical equipment. Accurately determining the loss of oriented silicon steel laminations is crucial to the optimal design of the iron core, which directly affects the energy saving of electrical equipment. Reduce consumption. [0003] The loss of oriented silicon steel laminates is closely related to the operating conditions of electrical equipment. It is not easy to accurately analyze its loss under the action of multiple physical fields, and the influence of multi-factor coupling such as temperature and magnetization conditions needs to be considered. In p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
CPCG06F30/20
Inventor 刘洋吴雪杨富尧陈新韩钰马光高洁何承绪程灵聂京凯
Owner GLOBAL ENERGY INTERCONNECTION RES INST CO LTD