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Publications
Publications (29)
For PV applications, many studies focus on maximum power extraction without evaluating losses in the conversion chain. As part of this research, it is proposed to evaluate a direct energy conversion solution from the panel to the network without intermediate stages or transformers. The structure is presented as a 3-phase boost inverter integrating...
In the context of autonomous applications isolated from electrical energy it is necessary to develop direct conversion structures giving a three-phase voltage system from a DC source. In this context, the booster inverter is an interesting solution since it limits the conversion stages. Output voltages are generally limited by the Boost conversion...
For PV applications, many studies focus on maximum power extraction without evaluating losses in the conversion chain. In this research, a comparison between 3 grid-connected converters will be conducted. The 3 topologies boost-inverter, inverter-transformer and boost inverter structures will be studied especially in the point of view of losses. Th...
The capability of new 9-slot 8-pole permanent magnet BLDC motor to start without position sensor is investigated in this paper. The permanent magnet rotor influences the stator windings inductance as the rotor position changes. It leads to variation of motor current. Sensorless control of BLDC motor usually uses back EMF method, but this method can...
Odd stator slot-number permanent magnet brushless DC motor with asymmetrical-winding has the advantage of unique flux distribution in the stator slot. It could be explored to make sensorless control using flux linkage variation method for this kind of machine. This paper investigates the capability of the 9-slot 8-pole PM BLDC motor to be controlle...
Boost converter is one of power converters which are used to fulfill the need of electricity, such as in commuter line and renewable energy power plant This converter is a non-linear converter which is applied by controlling switching in order to get the intended output. Hence, it is difficult to be controlled with a common controller such as VCM a...
Multicell inverter is a power electronic circuit which is capable of generating AC voltage output that has low ripple. In this paper, the use of hybrid control in multicell inverter was analyzed with the aim of producing a low ripple with an easy and efficient control. The basis of the hybrid control is to minimize the cosine value of the angle bet...
Jakarta is a metropolitan city that continues to strive to develop the capacity of its mass transport as other large cities in the world, primarily the development of the rail-based transportation. Indonesia Railway Company (PT Kereta Api (Persero)) had forecasted that there will be 1.2 million passengers per day on Jakarta in 2019. To meet these t...
Active Power Filters (APFs) are widely used in power systems that require best power quality. This is because the APFs have the ability to bring the system having unity power factor, to balance the system and to eliminate the harmonic phase currents. However, the rating of an APF depends to the corresponding load where the APF should be able to pro...
Electric cars becomes one of interesting object for researchers since its ability to meet the requirements of environmentally friendly vehicles. The driving force of electric car comes only from electric motor, hence the car performance is mostly determined by its motor dynamic response. This paper presents the modeling of PMBLDCM (Permanent Magnet...
A boost inverter topology offers higher ac output voltage while using lower dc input. This topology can be a transformer-less solution for low level dc voltage grid-connected inverter or used for low dc-voltage embedded inverter-motor drives. This paper presents a hybrid modeling of two boost converters, connected as a boost inverter. Each boost co...
Boost inverters provide the ac voltage from lower dc voltage source without additional transistor switches compared to the conventional inverters. Some control shave already been proposed to control boost inverters, but most control methods are based on small signal analysis and nonlinear models which make computation complicated and require fine t...
In larges electrical system used in industries, office builidings, or hotels, capacitor banks are usually utilized to compensate the required VAR absorbed by the loads. As the nonliniear loads are increasing rapidly, the risk of resonance phenomenon occured is becoming higher as its terminal voltages are not anymore sinusoidal. On the other hand, m...
A new fast hybrid control approach of the pq control theory applied to the 3 phase 4 wire active power filter is proposed. The mathematical model developed is based on the direct power control theory using the pq theory. This technique inherits not only the simplicity of the conventional direct power control but also offers a good dynamic response...
Combined system of capacitor bank and shunt active power filter is proposed. Mathematical model developed in this proposed combined system is based on direct power control theory using pq0 theory. Different with conventional shunt active power filter which reactive power is compensated, here only the ripple components of reactive power is compensat...
New hybrid control approach of the pq control theory applied to the 3 phase 4 wire active power filter is proposed. This technique inherits not only the simplicity of the conventional direct power control but also offers a good dynamic response in active filtering. In this paper, the proposed control method is implemented for two different instanta...
An hybrid control approach of the p-q-r power theory applied to a 3 phase 4 wire active power filter is proposed. The mathematical model developed is based on the direct power control theory. This technique inherits not only the simplicity of the conventional direct power control but also offers a good dynamic response in active filtering. The anal...
New hybrid control approach of the pq control theory applied to the 3 phase 4 wire active power filter is proposed. The mathematical model developed is based on the direct power control theory using the pq theory. This technique inherits not only the simplicity of the conventional direct power control but also offers a good dynamic response in acti...
Dans une large variété d'applications industrielles, il existe une demande croissante pour améliorer la qualité de l'énergie fournie par les systèmes électriques. En plus de la fiabilité et de la disponibilité d'énergie électrique, la qualité de la puissance fournie devient maintenant une question importante. Parmi les causes de la pauvre qualité d...
