Unlock instant, AI-driven research and patent intelligence for your innovation.

A method and system for calculating loss of oriented silicon steel laminations

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

Active Publication Date: 2021-08-20
GLOBAL ENERGY INTERCONNECTION RES INST CO LTD +2
View PDF5 Cites 0 Cited by
  • 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

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A method and system for calculating loss of oriented silicon steel laminations
  • A method and system for calculating loss of oriented silicon steel laminations
  • A method and system for calculating loss of oriented silicon steel laminations

Examples

Experimental program
Comparison scheme
Effect test

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 Image 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 calcul...

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 of the first embodiments 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 embodiments can be implemented through computer programs to instruct related hardware, and the programs can be stored in a computer-readable stor...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The present invention provides a method and system for calculating the loss of oriented silicon steel laminations. The calculation method of oriented silicon steel laminations loss includes: acquiring the magnetization condition information to be measured, the total effective mass m of the oriented silicon steel laminations and the unit weight of the oriented silicon steel laminations. Sheet thickness d, temperature T and density ρ; 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; Magnetization condition information, calculate the hysteresis loss of the oriented silicon steel lamination; calculate the eddy current loss of the oriented silicon steel lamination according to the magnetization condition information to be measured, single sheet thickness d, temperature T and density ρ; according to the total effective mass m, magnetic Calculate the total loss of grain-oriented silicon steel laminations by using hysteresis loss and eddy current loss. By implementing the invention, the accuracy of calculation results is improved, thereby providing accurate data basis for scientific research and practical application of 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

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/20
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