1500 V DC Beslemeli Raylı Sistemlerde Gerilim Harmoniği Probleminin AGT Tabanlı Paralel Aktif Güç Fitresi ile Çözümü

Yıl 2020, Cilt: 32 Sayı: 4, 365 - 373, 01.11.2020

Mehmet Taciddin Akçay , İlhan Kocaarslan

https://doi.org/10.7240/jeps.630297

Cited By: 1

Öz

Enerji kalitesi elektrik güç sistemlerine bağlı ekipmanların verimi ve
performansı için gerekmektedir. Enerji kalitesinin ana hedefi yüke ulaşan
gerilim ve akım sinyalinin en iyi derecede sinusoidal dalga şekline sahip
olmasıdır. Sistemde nonlineer devre elemanlarının varlığı harmoniklerin
üretilmesine neden olmaktadır. Harmonikler enerji kalitesini olumsuz
etkileyerek sistem performansını düşürmektedir. DC beslemeli raylı sistemler
nonlineer elemanlardan oluştuğu için sistemde harmonikler oluşmaktadır. Bu
çalışmada 1500 V DC Beslemeli Raylı Sistemlerde Gerilim Harmoniği Probleminin
AGT (Anlık Güç Teorisi) Tabanlı Paralel Aktif Güç Fitresi ile Çözümü
yapılmıştır. AGT ile zamanda oluşabilecek gecikmelerin önüne geçilebilmesi
hedeflenmiştir. Aktif filtre ile klasik filtreleme yöntemleri karşılaştırılarak
sonuçlar elde edilmiştir. Sistem analiz edilerek elde edilen sonuçlar grafikler
üzerinden verilmiştir. Devre filtreli ve filtresiz olarak çalıştırılarak elde
edilen sonuçlar karşılaştırmalı olarak verilmiştir. Her iki duruma ait gerilim
THD (Toplam harmonik distorsiyon) değeri hesaplanarak elde edilen iyileştirme
ortaya konulmuştur.     

Anahtar Kelimeler

Analiz, Besleme, Harmonik, Raylı, Sistem

Solution of Voltage Harmonic Problem in 1500 V DC Powered Rail Systems by IPT Based Parallel Active Power Filter

Öz

Energy quality is required for the efficiency and performance of
equipment connected to electrical power systems. The main objective of the
energy quality is that the voltage and current signal reaching the load has the
best sinusoidal waveform. The presence of nonlinear circuit elements in the
system leads to the generation of harmonics. Harmonics adversely affect energy
quality and reduce system performance. Since DC powered rail systems consist of
nonlinear elements, harmonics are formed in the system. In this study, voltage
harmonic problem in 1500 V DC supply rail systems is solved with IPT
(Instantaneous Power Theory) based parallel active power filter. With the AGT,
it is aimed to prevent delays in time. The results were compared with active
filter and classical filtering methods. The results obtained by analyzing the
system are given on the graphs. The results obtained by operating the circuit
with and without filter are given comparatively. The voltage THD (Total
harmonic distortion) value of both cases was calculated and the improvement
obtained was demonstrated.

Anahtar Kelimeler

Analysis, Feed, Harmonic, Rail, System

Kaynakça

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