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Wyszukujesz frazę "Reactive Power compensation" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Experimental Investigations of the Upqc Arrangement
Autorzy:
Benysek, G.
Powiązania:
https://bibliotekanauki.pl/articles/262602.pdf
Data publikacji:
2006
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie
Tematy:
power quality
power flow control
harmonics compensation
reactive power compensation
Opis:
This paper presents the fundamental properties and dependences describing the UPQC (Unified Power Quality Conditioner) arrangements. The UPQC devices simultaneously permit to fulfill the following functions: voltage and current harmonics compensation, network voltage and load current symmetrization as well as network voltage stabilization and power flow control. The selected results of the experimental investigations conducted on the small power laboratory model have been described. Applied method for DC link capacity selection was talked over in details and confirmed with experimental results. Results of experimental investigations, including operation of the UPQC arrangement in case of thyristor rectifier load were also introduced.
Źródło:
Electrical Power Quality and Utilisation. Journal; 2006, 12, 1; 27-34
1896-4672
Pojawia się w:
Electrical Power Quality and Utilisation. Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effects of source voltage harmonics on power factor compensation in ac chopper circuits
Autorzy:
Balci, M. E.
Hocaoglu, M. H.
Powiązania:
https://bibliotekanauki.pl/articles/262639.pdf
Data publikacji:
2008
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie
Tematy:
harmonics
ac chopper circuits
power factor
reactive power compensation
nonsinusoidal conditions
Opis:
In recent years, the detailed modelling of power electronic devices and their behaviours on various system conditions are a great concern of the power industries and customers. One of the widely proliferated such devices is the triac controlled ac choppers. Although these types of devices have important application areas, their poor power factor is the main obstacle for the large scale implementation in power systems. This paper presents an analysis on the behaviour of a single phase load composed with triac controlled ac chopper during the reactive power compensation with a basic capacitor in nonsinusoidal voltage case. The results of these analysis show that the distortion of voltage improves power factor, which is contradicting with previous findings, for the high conduction angles of triac controlled ac chopper. In addition, it is observed that the performance of power factor improvement with a basic capacitor is noticeably affected by the phase angles of voltage harmonics, which is an extensively ignored issue in the literature.
Źródło:
Electrical Power Quality and Utilisation. Journal; 2008, 14, 1; 53-60
1896-4672
Pojawia się w:
Electrical Power Quality and Utilisation. Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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