Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Othman Hassan Abdalla"'
Publikováno v:
University of Khartoum Engineering Journal. 9
This paper proposes a novel simple staircase modulation to obtain reasonable performance of an output voltage for a cascaded HBridgemultilevel inverter. The motivation of the proposed algorithm is that the inverter phase voltage intersects with an or
Autor:
Albara Osman Ali, Abusufyan Ali Alfadl, Othman Hassan Abdalla, Alhassan Busati Alzain, Asim Kamal Hamid, Mohanned Elmahe Mahmoud
Publikováno v:
2020 International Conference on Computer, Control, Electrical, and Electronics Engineering (ICCCEEE).
This paper presents a single-phase cascaded H- bridge (CHB) with an equal DC source. This type of multilevel inverter consists of numbers of H-bridge cells connected in series, each one connected to a DC power supply, as this type of inverter contain
Autor:
Othman Hassan Abdalla, Mohamed Alam-aldin Hassan, Muneeb Mustafa Saad, Ahmed Yousif Mohamed, Fatmaalzahra Abobakr Hassan, Akram Mohammed Abdallah
Publikováno v:
2020 International Conference on Computer, Control, Electrical, and Electronics Engineering (ICCCEEE).
This paper presents a single-phase Neutral point diode clamped (NPC) inverter module. Consists of single-cell connected to three equal DC power supply. This inverter also contains several semiconductor switches in which the process of direct voltage
Publikováno v:
2019 International Conference on Computer, Control, Electrical, and Electronics Engineering (ICCCEEE).
This paper presents the main types of a series-parallel cascaded H-bridge inverter. It consists of H-bridge cells, and an inverter which output is a multilevel voltage by adding the dc voltage sources in series and parallel. A simple staircase modula
Publikováno v:
2014 International Conference on Information Science, Electronics and Electrical Engineering.
This paper focuses on a wind farm power fluctuation which improved by using the variable-speed pump storage. The stator flux indirect field oriented control is used to control of pump storage. The two identical seven levels cascaded H-bridge multilev
Autor:
Othman Hassan Abdalla, Minxiao Han
Publikováno v:
TELKOMNIKA Indonesian Journal of Electrical Engineering. 12
This paper derived the mathematicalmodel of indirect field oriented control (IFOC) applied in pump storage toobtain the variable speed. The two identical seven level H-bridge multilevel converters connected in cascade have been used togenerate 6KV on
Autor:
Minxiao Han, Othman Hassan Abdalla
Publikováno v:
International Journal of Power Electronics and Drive Systems (IJPEDS). 3
This paper proposed the power electronics solution to obtain variable speed of the variable-speed pump storage The study focused on the types of variable-speed pump storage consists of doubly fed asynchronous machine and power electronics converter.
Autor:
Minxiao Han, Othman Hassan Abdalla
Publikováno v:
Proceedings of The 7th International Power Electronics and Motion Control Conference.
This paper presents a cascaded H-bridge multilevel converter for application in variable-speed pump storage. Most of the results are related the performance of the inverter voltage, rotor currents and speed when the 6kV wound router induction machine