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Nonlineer Yüklü Sistemde Filtreleme ve Reaktif Güç Kompanzasyonu Açısından Simülasyon ve Deneysel Çalışma Tabanlı bir Analizin Gerçekleştirilmesi
2020
Journal:  
Avrupa Bilim ve Teknoloji Dergisi
Author:  
Abstract:

Lineer ve nonlineer yüklerin bulunduğu elektrik güç sisteminde, nonlineer yüklerin günden güne artmasına bağlı olarak sisteme enjekte edilen harmonik akımları da artmaktadır. Harmonik akımlar, sadece yüklerin dalga şekillerinde bozucu etkilerde bulunmayıp aynı zamanda güç sisteminde ve güç sistemine bağlanan elemanlar üzerinde de olumsuz etkiler meydana getirmektedirler. Teknik ve ekonomik bakımdan pek çok etkisi olan harmoniklerin bu etkilerinin bilinmesi ve işletmelerde analizlerinin yapılması, hem enerji kalitesi açısından hem de işletmenin sürekliliği açısından son derece önemlidir. Gerçekleştirilen çalışmada çeşitli nonlineer yüklerin bulunduğu bir sistemde, harmoniklerin etkileri belirtilip sistemde istenen harmonik akımının süzülmesini sağlayan harmonik filtresinin gerekliliği anlatılmaktadır. Harmonik filtreler her tesis için ayrı ayrı tasarım gerektirir, dolayısıyla filtrelemede dikkat edilmesi gereken hususlar incelenmektedir. Sinüs biçimli kaynaktan beslenen ve lineer elemanlardan meydana gelen enerji sistemlerinin güç kompanzasyonu basit bir inceleme ile yapılabilmektedir. Fakat besleme kaynağının sinüs biçimli olmaması veya elemanların nonlineer karakterde olması durumunda güç kompanzasyonunda bir takım zorluklar yaşanmaktadır. Bu yüzden harmonikli sistemlerde güç kompanzasyonu normal kompanzasyondan farklıdır. Yapılan çalışmada bu konuda dikkat edilmesi gereken hususlar belirtilmektedir. Bu çalışmada, öncelikle filtreleme ve güç kompanzasyonunun sinüs biçimli olmayan sistem için gerçekleştirilmesi irdelenmektedir ve buna ait bilgiler verilmektedir. Ayrıca çalışmada gerçek bir sistem üzerinde yapılan ölçümler ile bu sistemin filtrelenmesi ve güç kompanzasyonunun gerçekleştirilmesi de yer almaktadır.

Keywords:

Implementation of a simulation and experimental work-based analysis in the field of filtration and reactive power compensation in the nonlinear installed system
2020
Author:  
Abstract:

In the electric power system where linear and nonlinear loads are located, the harmonic flows injected into the system are also increasing due to the increase of nonlinear loads from day to day. Harmonic flows not only have disturbing effects on the wave forms of loads, but also have negative effects on the power system and the elements connected to the power system. The knowledge of these effects of harmonics, with many technical and economic effects, and the conduct of their analyses in the enterprises, is extremely important both in terms of energy quality and the continuity of the enterprise. In the conducted study, a system with various nonlinear loads describes the need for a harmonic filter that identifies the effects of the harmonics and enables the filtering of the desired harmonic stream in the system. Harmonic filters require a separate design for each facility, so the aspects to be taken into consideration in filtration are examined. The power combination of the energy systems powered from the sinus-shaped source and made up of linear elements can be done with a simple examination. But if the power source is not in sinus form or the elements are in nonlinear character, there are a number of difficulties in power association. Therefore, in harmonic systems, the power combination is different from the normal combination. In the work that is done, there are things to be taken into account. In this study, it is primarily aimed at the realization of filtration and power compulsion for the non-sinus-shaped system and information about it is provided. The study also includes measurements on a real system with the filtering of this system and the implementation of power association.

Keywords:

The Realization Of An Analysis Based On Simulation and Experimental Study For Filtering and Reactive Power Compensation In A System With Nonlinear Loads
2020
Author:  
Abstract:

The harmonic currents injected to electric power system including of linear and nonlinear loads are increasing due to the increase in nonlinear loads. Harmonic currents not only cause deterioration in load wave forms but also provide negative effects on power system and equipments connected to power system. The evaluation of the technical and economical effects of harmonics and providing analysis in plants about this issue are significantly important both for energy quality and plant durability. In this study, the effects of harmonics are evaluated and the need of a harmonic filter that provides the possibility of filtering the desired harmonic current. Harmonic filters requires different design approaches for each plant, thus the important issues in filtering are examined. The power compensation in energy systems fed by sinusoidal source and including linear loads can be realized easily. However, the power compensation in the case of non-sinusoidal source or nonlinear loads may cause some difficulties. Thus, the power compensation in harmonic condition is even more difficult than normal power compensation applications. In the realized study, the significant issues about this topic are presented. In this study, the realization of filtering and power compensation in non-sinusoidal load conditions is evaluated and some information is provided on this topic. Besides, the measurements on a real plant as well as the filtering and power compensation studies on the mentioned plant are presented.

Keywords:

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Avrupa Bilim ve Teknoloji Dergisi

Field :   Fen Bilimleri ve Matematik; Mühendislik

Journal Type :   Uluslararası

Metrics
Article : 3.175
Cite : 5.577
2023 Impact : 0.178
Avrupa Bilim ve Teknoloji Dergisi