التوافقيات العليا وأثرها على استقرار عمل الآلة التحريضية
Abstract
يقدم البحث فكرة هامة عن التوافقيات العليا (الفراغية والزمنية) وما هو سبب ظهورها وآثارها السلبية على مستهلكات الطاقة الكهربائية. تم حساب العزوم الدوارة المتولدة عن التوافقيات العليا وأثرها على المميزة الميكانيكية للمحرك التحريضي، وكيف يمكن أن نخفف من هذا الأثر بالطريقة التصميمية للمحرك. ينتج عن التوافقيات العليا مفاقيد كهربائية ومغناطيسية إضافية في المحرك التحريضي تؤدي إلى زيادة تسخين المحرك وانخفاض المردود ومعامل الاستطاعة. لقد بين البحث كيف يمكن التخفيف من هذه المفاقيد وبالتالي تحسين شكل المميزة الميكانيكية للمحرك التحريضي وتحسين أداءه أيضاً. This paper presents an important idea about the higher harmonics (both temporal and spatial) and the reason of their appearance and negative effects they cause on the electrical power consumers. Generated rotating torques from upper harmonics is then calculated, and their effect on the mechanical characteristics of the induction motor, and how to mitigate this effect depending on motor design. Higher harmonics produce additional electrical and magnetic losses in induction motors which increase the motor’s heat and decrease its energy yield and power coefficient. This research shows how to decrease these losses to improve the mechanical characteristics of the induction motor and enhance the performance.Downloads
Published
How to Cite
Issue
Section
License
Copyright (c) 2017 ttps://creativecommons.org/licenses/by-nc-sa/4.0/
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
The authors retain the copyright and grant the right to publish in the magazine for the first time with the transfer of the commercial right to Tishreen University Journal for Research and Scientific Studies - Engineering Sciences Series
Under a CC BY- NC-SA 04 license that allows others to share the work with of the work's authorship and initial publication in this journal. Authors can use a copy of their articles in their scientific activity, and on their scientific websites, provided that the place of publication is indicted in Tishreen University Journal for Research and Scientific Studies - Engineering Sciences Series . The Readers have the right to send, print and subscribe to the initial version of the article, and the title of Tishreen University Journal for Research and Scientific Studies - Engineering Sciences Series Publisher
journal uses a CC BY-NC-SA license which mean
You are free to:
- Share — copy and redistribute the material in any medium or format
- Adapt — remix, transform, and build upon the material
- The licensor cannot revoke these freedoms as long as you follow the license terms.
- Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
- NonCommercial — You may not use the material for commercial purposes.
- ShareAlike — If you remix, transform, or build upon the material, you must distribute your contributions under the same license as the original.
- No additional restrictions — You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.