International Journal of Applied Power Engineering (IJAPE)
International Journal of Applied Power Engineering (IJAPE) focuses on the applied works in the areas of power generation, transmission and distribution, sustainable energy, applications of power control in large power systems, etc. The main objective of IJAPE is to bring out the latest practices in research in the above mentioned areas for efficient and cost effective operations of power systems. The journal covers, but not limited to, the following scope: electric power generation, transmission and distribution, energy conversion, electrical machinery, sustainable energy, insulation, solar energy, high-power semiconductors, power quality, power economic, FACTS, renewable energy, electromagnetic compatibility, electrical engineering materials, high voltage insulation technologies, high voltage apparatuses, lightning, protection system, power system analysis, SCADA, and electrical measurements.
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<![CDATA[Analysis of a gas station hybridization with a solar thermal plant by using ETAP ]]>
<![CDATA[Ahmed Zkear Abass]]>;
<![CDATA[D. A. Pavlyuchenko]]>
<![CDATA[ International Journal of Applied Power Engineering (IJAPE) Vol 10, No 2: June 2021 ]]>
Publisher : <![CDATA[Institute of Advanced Engineering and Science ]]>
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DOI: 10.11591/ijape.v10.i2.pp118-126
<![CDATA[Iraq is facing deficiency of electric power for last decades. The main reason for deficiency of electric power is due to less respect of analytical load flow studies of electric supply substation. To stop and overcome such situation in future, researchers should be analyzing different power substation focusing on load flow studies, short circuit studies and protection schemes. Due to lack of research and studies on load flow and fault analysis, Iraq is facing a lot of issues, such as power failures and high copper losses, solving of these problems on substation level, demand a high familiarity about the power system. In this paper we analyses combined typical gas station with solar thermal power station and survey load flow, short circuit, transient stability, and voltage drop before and after combined station by using electrical transient analyzer program (ETAP). Now a day’s power supply reliability and goodness are big interest. analyses of power system are a main part in power system designing and planning, in order to accommodate future loads and the expansion of cities.]]>
<![CDATA[Calculation and measurement of ampacity for class 5 flexible aluminum cable at 110 °C ]]>
<![CDATA[Fernando Esma Agustin]]>;
<![CDATA[Akhtar Kalam]]>;
<![CDATA[Aladin Zayegh]]>
<![CDATA[ International Journal of Applied Power Engineering (IJAPE) Vol 10, No 3: September 2021 ]]>
Publisher : <![CDATA[Institute of Advanced Engineering and Science ]]>
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DOI: 10.11591/ijape.v10.i3.pp183-192
<![CDATA[Class 5 flexible aluminum conductors are not common in cable manufacturing industry due to insufficient study on cable joints and connectors. The table of ampacities for aluminum conductors at 110 °C in AS/NZS3008.1.1 standards are also not available as a reference guide for electrical system designers that restricts the installation of aluminum low voltage (LV) cabling system to operate at 90 °C of conductor maximum operating temperature where 110 °C cables are permitted in Australia. In this paper, the cable ampacities of various LV Class 5 flexible aluminum cables at maximum operating temperature of 110 °C are calculated using IEC60287 and AS/NZ3008.1.1 standards. The calculated ampacities from the formula presented in clause 4.4. of AS/NZS3008.1.1 are verified by using the 6kA inductive current generator to determine the suitability for use. The joint temperature between cable and shear bolt mechanical connectors are simultaneoulsy simulated using the calculated ampacities to determine the suitability of mechanical shear bolt connectors when the coefficient of thermal expansion of material is considered. The observed differences between the calculated and measured values demonstrate the relevance of formula used in determining the current ampacity at 110 °C conductor temperature in free air.]]>
<![CDATA[Problems and analysis directions in smart grid technology and their potential solutions ]]>
<![CDATA[Manoj Saini]]>;
<![CDATA[Shagufta Khan]]>;
<![CDATA[Rajeev Gupta]]>;
<![CDATA[Shivani Singh]]>;
<![CDATA[Pooja Upadhyay]]>;
<![CDATA[Shivangi Soni]]>
<![CDATA[ International Journal of Applied Power Engineering (IJAPE) Vol 10, No 3: September 2021 ]]>
Publisher : <![CDATA[Institute of Advanced Engineering and Science ]]>
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DOI: 10.11591/ijape.v10.i3.pp207-216
<![CDATA[The idea of smart grid (SG) technology has revolutionized the traditional power system and has made it more efficient, robust and reliable in a number of ways. SG networks are recently upgraded networks of associated objects of information and communication technology (ICT) and core technology. Many active research areas have been developed to achieve the goals and planned requirements of the transfer of power systems from the traditional grid to the SG. Despite the significant characteristics of SG, future research needs to resolve numerous problems relating to core and ICT technology. This analysis paper identifies the challenges facing SG growth, potential research directions and also proposes possible solutions to some of these challenges, thus achieving the SG goals and planned requirements.]]>
<![CDATA[Control of isolated microgrid based renewable energy generation using PID controller ]]>
<![CDATA[Regad Mohamed Sidi Brahim]]>;
<![CDATA[M'hamed Helaimi]]>;
<![CDATA[Rachid Taleb]]>
<![CDATA[ International Journal of Applied Power Engineering (IJAPE) Vol 10, No 2: June 2021 ]]>
Publisher : <![CDATA[Institute of Advanced Engineering and Science ]]>
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DOI: 10.11591/ijape.v10.i2.pp127-134
<![CDATA[This paper investigates optimal PID controller tuning using particle swarm optimization for frequency control in the microgrid system. The proposed microgrid composed of renewable sources such as wind turbine generation and solar system with diesel engine generator and storage systems such as the battery, flywheel, aqua electrolyze, and fuel cell. The microgrid based on renewable energy sources faces different challenges in operation and stability due to the stochastic nature of solar radiation and wind speed that depend upon the weather conditions. Among these challenges, the frequency and power deviations are affected by the sudden unbalance between generation and load which require a suitable and adequate regulation. The principal objective of this study is to reduce the frequency and power deviation by the use of the PID controller optimized based particle swarm optimization due to its simplicity and flexibility to overcome this kind of issues. The simulation results show the better performances and robustness of the proposed controller against the disturbances in load and generations in comparison to using a genetic algorithm.]]>
<![CDATA[Prospects of regenerative current breaking in DC circuit breaker topology ]]>
<![CDATA[S. M. Sanzad Lumen]]>;
<![CDATA[Ramani Kannan]]>;
<![CDATA[Nor Zaihar Yahaya]]>
<![CDATA[ International Journal of Applied Power Engineering (IJAPE) Vol 10, No 3: September 2021 ]]>
Publisher : <![CDATA[Institute of Advanced Engineering and Science ]]>
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DOI: 10.11591/ijape.v10.i3.pp217-229
<![CDATA[Due to the stunning advancement of power electronics, DC power system is getting immense attention in the field of research. Protection and hereafter the protective devices for the DC power system application are two vital areas that need to be explored and developed further. Designing a protective device such as DC circuit breaker possesses a lot of challenges. The main challenge is to interrupt a current which does not have a natural zero crossing like AC current has. In addition, energy is stored in the network inductances during normal operation. Instantaneous current breaking is opposed by this stored energy during circuit breaker tripping, hence, all the DC circuit breaker topologies proposed in literature use snubber network, nonlinear resistor to dissipate this stored energy as heat during the current breaking operation. However, it is possible to store this energy momentarily and reuse it later by developing an improvised topology. In this paper, the prospects of energy recovery and reuse in a DC circuit breaker was studied and a new topology with regenerative current breaking capability had been proposed. This new topology can feed the stored energy of the network back into the same network after breaking the current and thus can improve the overall system efficiency.]]>
<![CDATA[Ranking of hydropower projects based on sustainability criteria in India using multicriteria decision making methods ]]>
<![CDATA[Anuja Shaktawat]]>;
<![CDATA[Shelly Vadhera]]>
<![CDATA[ International Journal of Applied Power Engineering (IJAPE) Vol 10, No 3: September 2021 ]]>
Publisher : <![CDATA[Institute of Advanced Engineering and Science ]]>
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DOI: 10.11591/ijape.v10.i3.pp230-243
<![CDATA[Assessment of hydropower projects with respect to sustainability criteria is a multidimensional and a complex issue that decision makers usually face during planning process. In hydropower projects, it is important to consider technical, environmental and social parameters instead of purely economic ones for sustainability assessment and decision making. Multi-criteria decision making (MCDM) methods offer a practical approach to a problem having conflicting criteria. The flexibility to consider several criteria and objectives simultaneously made MCDM methods well accepted in the field of energy planning. This paper aims for applicability of MCDM methods which will facilitate the decision makers to select the most sustainable hydropower projects by making real and logical choices based on various sustainability criteria. For comprehensively rank hydropower projects of Indian region based on sustainability criteria four MCDM methods are applied i.e., analytic hierarchy process (AHP), technique for order of preference by similarity to ideal solution (TOPSIS), preference ranking organization method for enrichment evaluations (PROMETHEE II) and elimination and choice translating reality (ELECTRE III). To ensure better decision making the eight criteria selected are compatible to the sustainable development of hydropower projects.]]>
<![CDATA[Performance analysis of power generation by wood and woody biomass gasification in a downdraft gasifier ]]>
<![CDATA[Sahar Safarian]]>;
<![CDATA[Runar Unnthorsson]]>;
<![CDATA[Christiaan Richter]]>
<![CDATA[ International Journal of Applied Power Engineering (IJAPE) Vol 10, No 1: March 2021 ]]>
Publisher : <![CDATA[Institute of Advanced Engineering and Science ]]>
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DOI: 10.11591/ijape.v10.i1.pp80-88
<![CDATA[An equilibrium simulation model was developed by applying Aspen Plus to evaluate the performance of 28 wood and woody biomass (W&WB) gasification in a downdraft gasifier integrated with power production unit. The developed simulation model does not focus the gasification process as a closed box, it considers important processes in gasification like drying, pyrolysis, combustion, gasification and integrated with power production plant (combustion chamber plus gas turbine). The results for the 28 W&WB alternatives show that the net power produced from 1-ton feedstock entering to the gasification system is between the interval [0-400 kW/ton] and among them, gasification system derived from Tamarack bark biomass significantly outranks all other systems by producing 363 kW/ton, owing to the favorable results obtained in the performance analysis. Moreover, effect of various operating parameters such as gasification temperature and air to fuel ratio (AFR) on the system performance was carried out. Finally, the developed model is applied as an effective tool to assess the impact of so many biomasses and operating parameters on output power.]]>
<![CDATA[Squirrel cage induction motor predictive direct torque control based on multi-step delay compensation ]]>
<![CDATA[Najimaldi M. Abbas]]>
<![CDATA[ International Journal of Applied Power Engineering (IJAPE) Vol 10, No 3: September 2021 ]]>
Publisher : <![CDATA[Institute of Advanced Engineering and Science ]]>
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DOI: 10.11591/ijape.v10.i3.pp244-252
<![CDATA[The squirrel cage induction motor direct torque control main problems due to torque and large stator flux pulsation. In this an improved model predictive direct torque control algorithm considering multi-step delay compensation is proposed. At each sampling moment, predict the stator flux linkage and torque at the next moment under each voltage vector. The optimal voltage vector deviation from the stator flux linkage reference value and torque reference value are selected as the minimum objective function. Aiming at the problem of one-shot delay in digital control systems, a multi-step predictive delay compensation measure is studied. Simulation shows that the algorithm can effectively reduce torque and stator flux pulsation, reduce current harmonic distortion, and solve the delay problem in digital systems.]]>
<![CDATA[A comparative study on AC/DC analysis of an operational low voltage distribution system ]]>
<![CDATA[Cihan Katar]]>;
<![CDATA[Cengiz Polat Uzunoglu]]>
<![CDATA[ International Journal of Applied Power Engineering (IJAPE) Vol 10, No 3: September 2021 ]]>
Publisher : <![CDATA[Institute of Advanced Engineering and Science ]]>
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DOI: 10.11591/ijape.v10.i3.pp193-206
<![CDATA[In the near future, the digitalizing world will continue to improve and the need for DC based devices will be increased beyond doubt. Today’s electrical grid is strictly dependent on AC-DC rectifiers. Each conversion process means additional power losses and signal quality deteriorations for the network. In addition, networks which are fed by batteries and renewable sources such as solar panels, and wind turbines are suffering from conversion-based power losses. In this respect, the idea of switching to DC on the low voltage side of the networks has become an intriguing subject. In this study, the applicability and efficiency of the low voltage direct current (LVDC) concept for low voltage distribution systems is discussed and a sample LVDC distribution system is analyzed. In this operational residential application electrical transient analyzer program (ETAP) is employed for comparison of different voltage levels such as 110 VDC, 250 VDC, 320 VDC and conventional 220/380 VAC. As a novel approach different DC voltage levels are compared with typical AC system in detail. Comparative analysis is conducted for safety regulations, voltage drops, current carrying capacities, power consumption and harmonic calculation of the proposed system. In this respect applicability, possible drawbacks and future aspects of LVDC systems are interpreted.]]>
<![CDATA[Experimental platform tests for setting performances of distance protection installed in Biskra-Batna of the Algerian transmission line ]]>
<![CDATA[Yassine Khelil]]>;
<![CDATA[Belkacem Mahdad]]>;
<![CDATA[Abdelhak Tobbeche]]>
<![CDATA[ International Journal of Applied Power Engineering (IJAPE) Vol 10, No 3: September 2021 ]]>
Publisher : <![CDATA[Institute of Advanced Engineering and Science ]]>
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DOI: 10.11591/ijape.v10.i3.pp173-182
<![CDATA[The modern power system is equipped with protection system based on advanced technology through the use of digital multifunction relay, control system and intelligent selectivity, whose purpose is to ensure maximum security and service continuity of protection relay in the presence of various fault currents. Distance protection is an important protection required in high voltage transmission lines. In this paper, experimental platform tests have been performed and proposed for setting and evaluation the performances of distance protection named Micom P442 installed in Biskra-Batna of the Algerian transmission power system. The performances of the distance protection have been evaluated under various short circuits. In this study, experimental result based single phase fault to ground is analysed and discussed. Experimental results based on the proposed platform tests in terms of precision in detecting faults at various locations and trigger times confirm the efficiency and particularity of the proposed experimental platform tests.]]>
