Zobrazeno 1 - 10
of 24
pro vyhledávání: '"O.J.K. Oghorada"'
Publikováno v:
Heliyon, Vol 5, Iss 12, Pp e03022- (2019)
Carrier-based sinusoidal pulse-width modulation (PWM) techniques, such as phase disposoed PWM(PD-PWM) and phase shifted PWM (PS-PWM), are widely applied to control the modular multilevel cascaded converters (MMCC) having full H-bridge as sub-modules.
Externí odkaz:
https://doaj.org/article/fcbf1cb94a8d464a96f620d0b668f7f5
Publikováno v:
The Journal of Engineering (2019)
This paper presents a novel control scheme for a modular multilevel cascaded converter (MMCC) functioning as an active power conditioner (APC) to control the reactive power, eliminate the current harmonics, and compensate unbalanced load current simu
Externí odkaz:
https://doaj.org/article/1cedb30a7cb942b7af8b54999bb2a3ae
Autor:
O.J.K. Oghorada, Li Zhang
Publikováno v:
International Journal of Electrical Power & Energy Systems. 95:341-352
This paper compares the operating capabilities of STATCOMs based on Modular Multilevel Cascaded Converters (MMCC) using star and delta connections, with special attention to unbalanced load compensation. Zero sequence voltage for star connection, and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a33f5ce965e0b44c5f1a0dbca5b0286d
https://doi.org/10.1016/j.ijepes.2017.08.034
https://doi.org/10.1016/j.ijepes.2017.08.034
Publikováno v:
International Journal of Green Energy. 14:694-702
The power-voltage (P-V) characteristic curves of a PV array are nonlinear and have multiple peaks under partially shaded conditions (PSCs). This paper proposes a novel maximum power point tracking (MPPT) method for a PV system with reduced steady-sta
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::257c18d935700cb55bbfc5c480844b47
https://doi.org/10.1080/15435075.2017.1324792
https://doi.org/10.1080/15435075.2017.1324792
Publikováno v:
2017 19th European Conference on Power Electronics and Applications (EPE'17 ECCE Europe).
This paper presents a new application of modular multilevel cascaded converters (MMCC) for combined active harmonic current elimination and reactive power compensation in a power distribution line. A technique for simultaneous extracting harmonic com
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aaaafa20422d863fa447e8b0713e11e8
https://doi.org/10.23919/epe17ecceeurope.2017.8098966
https://doi.org/10.23919/epe17ecceeurope.2017.8098966
Autor:
Li Zhang, O.J.K. Oghorada
Publikováno v:
IECON
This paper presents a simulation study on the implementation of the Single Star Flying Capacitor Converter Modular Multi-level Cascaded Converter (MMCC-SSFCC) as a STATCOM operating under voltage sag condition. This paper proposes a cluster balancing
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c7bef2297934ce2eac98a38f4e0c79b5
https://doi.org/10.1109/iecon.2016.7794143
https://doi.org/10.1109/iecon.2016.7794143
Autor:
L. Zhang, O.J.K. Oghorada
Publikováno v:
8th IET International Conference on Power Electronics, Machines and Drives (PEMD 2016).
This paper presents the analysis and evaluation of power losses in a modular multilevel flying capacitor converter (MMFCC) controlled by three different pulse width modulation techniques. A new unipolar hybrid PWM scheme, which combines phase dispose
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2b38761cd9253a489f2ef4a9e65a759e
https://doi.org/10.1049/cp.2016.0376
https://doi.org/10.1049/cp.2016.0376
Publikováno v:
8th IET International Conference on Power Electronics, Machines and Drives (PEMD 2016).
This paper presents a simulation study into the implementation of the single star flying capacitor converter modular multi-level cascaded converter (SSFCC-MMCC) as a STATCOM for unbalanced load compensation. The paper proposes a new concept of voltag
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6442df497fb3d119bc0385c3df5a3176
https://doi.org/10.1049/cp.2016.0375
https://doi.org/10.1049/cp.2016.0375
Publikováno v:
2015 17th European Conference on Power Electronics and Applications (EPE'15 ECCE-Europe).
This paper presents a simulation study for a built prototype of modular multi-level flying capacitor cascade converter as a STATCOM. The converter modulation scheme applied is based on Phase Shifted PWM and the two scenarios which require compensatio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0f027e729b421739f17538d1f48ac45f
https://doi.org/10.1109/epe.2015.7309085
https://doi.org/10.1109/epe.2015.7309085
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