Dynamic operation and control of a hybrid wind-diesel stand alone power systems

Haruni, A. M. O.; Gargoom, Ameen; Haque, M. E.; Negnevitsky, Michael

doi:10.1109/apec.2010.5433675

Cited by 55 publications

(22 citation statements)

References 16 publications

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“…The islanded operation of the MG will be the focus of this paper. Several control strategies for the MG have been proposed in the literature including PI controllers in [2,7,14,16,17,19,20,32,39]. Robust H ∞ control is presented in [3,28] for the control of two DG units.…”

Section: Communication Among the Mg Componentsmentioning

confidence: 99%

“…During this mode, the MG can draw power from the main grid or can supply its power to the main grid, thus functioning similar to a controllable load or source. By supplying or drawing power, the MG should be able to control the active and reactive power flows and have an eye on the energy storage [7]. However, in this mode due to the small size of distribution units the system dynamics have to be fixed by a wide extent.…”

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confidence: 99%

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Networked Control of Microgrid System of Systems

Mahmoud¹,

AL-Sunni²

2015

Power Systems

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Economic challenges, technological advancements, and environmental impacts are now demanding distributed generation (DG) in the place of the conventional centralized generation [18]. Power operation companies are now confronted with unprecedented difficulties in terms of meeting the load requirements, consumer satisfaction, and environmental considerations. Thus, DG has received good attention because of its potential to alleviate pressure from the main transmission system by supplying a few local loads [1]. The waste heat generated from the fuel to electricity conversion is exploited by the distributed generation system (DGS) with the help of microturbines, reciprocating engines, and fuel cells to provide heat and power to the customers. Adding to the system distributed energy sources (DES) like photovoltaic (PV) panels, wind turbines (WTs), energy storage devices such as batteries and capacitors, generators extracting energy from other renewable and controllable loads can provide momentous contributions to future energy generation and distribution. Another noteworthy feature is that the carbon emission is reduced to a large extent satisfying the commitment of many nations concerning decrease of carbon footprints [8]. However, the DG faces technical issues regarding its connection to the intermittent renewable generation and feeble areas of the distribution network. Further, owing to the distinct behavior of the DG unlike the conventional load, alteration in power flow results in problems. To counter the irregular behavior and increasing penetration of the DG, the microgrid (MG) was introduced.The concept of MG has received considerable attention owing to its potential to serve as an alternate power source, utilizing unconventional sources and supplying the most critical loads of the main grid in case of a network failure. MGs are low voltage networks or distributed energy systems which provide heat and power to a particular area by employing generators and loads. They have the ability to operate independently and isolate themselves from the main grid in case of a fault [4,5,26]. If proper control techniques are implemented, they may improve the reliability of electrical energy supply. MG comprises of microturbines, WTs, fuel cells, PV

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Section: Communication Among the Mg Componentsmentioning

confidence: 99%

mentioning

confidence: 99%

Networked Control of Microgrid System of Systems

Mahmoud¹,

AL-Sunni²

2015

Power Systems

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“…Several control strategies for the microgrid have been proposed in the literature including PI controllers in Lopes, Moreira, and Madureira (2005), Ashourian, Zin, Mokhtar, Mirazimi, andMuda (2011), Zhang, Liu, Liu, andZhou (2010), Ray, Mohanty, and Kishor (2010), Jayalakshmi and Gaonkar (2011), Katiraei and Iravani (2006), Lee andWang (2008), Haruni, Gargoom, Haque, andNegnevitsky (2010), Kasal and Singh (2011). Robust H ∞ control is presented in Babazadeh and Karimi (2011), and Moradi, Karimi, and Karimi-Ghartemani (2010) for the control of two DG units.…”

Section: Introductionmentioning

confidence: 99%

Networked control of microgrid system of systems

Mahmoud

Rahman

AL-Sunni

2015

International Journal of Systems Science

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The microgrid has made its mark in distributed generation and has attracted widespread research. However, microgrid is a complex system which needs to be viewed from an intelligent system of systems perspective. In this paper, a network control system of systems is designed for the islanded microgrid system consisting of three distributed generation units as three subsystems supplying a load. The controller stabilises the microgrid system in the presence of communication infractions such as packet dropouts and delays. Simulation results are included to elucidate the effectiveness of the proposed control strategy.

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“…Several different techniques to prevent battery overcharging are widely used. For instance, the battery is installed adjacent to the windpower generation system, and a solid-state relay or power device is used as control switch of dump load [14]- [16]. Another technique is that surplus power is consumed by a hydrogen generator for a fuel battery instead of storage battery, and when the hydrogen tank becomes full, dump load is applied [17].…”

Section: Introductionmentioning

confidence: 99%

Standalone Hybrid Wind-Solar Power Generation System Applying Dump Power Control Without Dump Load

Hirose¹,

Matsuo

2012

IEEE Trans. Ind. Electron.

152

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This paper proposes a unique standalone hybrid power generation system, applying advanced power control techniques, fed by four power sources: wind power, solar power, storage battery, and diesel engine generator, and which is not connected to a commercial power system. Considerable effort was put into the development of active-reactive power and dump power controls. The result of laboratory experiments revealed that amplitudes and phases of ac output voltage were well regulated in the proposed hybrid system. Different power sources can be interconnected anywhere on the same power line, leading to flexible system expansion. It is anticipated that this hybrid power generation system, into which natural energy is incorporated, will contribute to global environmental protection on isolated islands and in rural locations without any dependence on commercial power systems.Index Terms-Dump load, dump power control, low cost, standalone hybrid power generation system, storage battery.

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Dynamic operation and control of a hybrid wind-diesel stand alone power systems

Cited by 55 publications

References 16 publications

Networked Control of Microgrid System of Systems

Networked Control of Microgrid System of Systems

Networked control of microgrid system of systems

Standalone Hybrid Wind-Solar Power Generation System Applying Dump Power Control Without Dump Load

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