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International Journal of Applied Power Engineering (IJAPE)

IJAPE
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Published by Institute of Advanced Engineering and Science

ISSN : 22528792 EISSN : 27222624 DOI : -

Core Subject : Engineering,

Electrical & Electronics Engineering

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.

Arjuna Subject : -

Articles 11 Documents

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Search results for , issue "Vol 12, No 1: March 2023" : 11 Documents clear

Sliding mode control technique of step down converter using reaching law Sridhara Somaguddu Ningappa; Siddesh Kondapur Basavarajan; Sudharashan Mungasavalli Katappa; Sandeep Velur Ramareddy; Lavakumar Tavane Basavarajappa; Tole Sutikno
International Journal of Applied Power Engineering (IJAPE) Vol 12, No 1: March 2023
Publisher : Institute of Advanced Engineering and Science

The robust reaching law based sliding mode control is used for chattering suppression, minimization of steady state error and reaching speed kept minimized. With fine tuning of parameters of robust reaching law, the sliding mode reaches the equilibrium point at the earliest. The stability of the proposed reaching law is analyzed. In one hand, they guarantee the system reach the sliding face rapidly and stay on it, in another way they decline the chattering effectively, even unmatched certainties and disturbances. Such that the system response can better realize the unification of rapidity. A proposed reaching law ia analyzed mathematically and applied to SMC DC-DC buck converter to lessen the chattering, because switching devices are existing in the model, it reduces effectively in the switching losses in the switching devices of the dc-dc converter. In turn effectiveness of the efficiency increases. MATLAB/Simulink results give significant decline of chattering and switching losses in the buck converter.

Optimal capacitor allocation for minimizing cost of energy loss in active distribution network with different load levels Mya Myintzu; Kyaw Myo Lin; Khine Zin Oo
International Journal of Applied Power Engineering (IJAPE) Vol 12, No 1: March 2023
Publisher : Institute of Advanced Engineering and Science

This paper proposes an effective technique to allocate a shunt capacitor using a meta-heuristic optimization-approach for minimizing the cost of energy losses. Particle swarm optimization (PSO) algorithm incorporated with MATPOWER is trained for minimizing the targeted function of the optical capacitor placement problem. The 115-node active distribution network supplied by MESC in the Mandalay distribution area is applied as a scenario. The results including active power loss and system energy loss, size and location of the optimized capacitor, voltage profiles, and the cost of energy loss are attained and analyzed. The simulations results revealed that the optimal allocation of the capacitor provides a significant reduction in the cost of energy losses as well as improvement in voltage profile with compensation of reactive power.

Realtime hybrid offline-online power loss analysis-based Simulink simulation Riny Sulistyowati; Ganesha Fikri Prawidya; Hari Agus Sujono
International Journal of Applied Power Engineering (IJAPE) Vol 12, No 1: March 2023
Publisher : Institute of Advanced Engineering and Science

The power distribution system applied in Indonesia is the radial system. The system is considered to be the simplest and most economical. The bad or good distribution of electrical power can be observed from the quality of the distribution of power supplied. Voltage has to be monitored and kept constant. An analysis was conducted at Bendul Merisi Feeder which has 11 buses, to find the value of supplied power also the value of voltage drop of each bus. The Simulink method is used to simulate and analyze active and reactive power at each cluster. Based on the result of the simulation analysis, the average was obtained by adding up electrical power received every hour, then dividing by 10, the number of buses connected to the load. The smallest average of active power supplied to each bus happened at 09.00 a.m., i.e. 112137.94 VA. The biggest value of active power supplied to each bus happened at 1.00 p.m., i.e. 115129.05 VA. The total voltage drop that occurred in the distribution supply was 224 volts or 1.12% out of 20 kV supplied, indicating that the supply of voltage was according to the standardized rule implemented by PLN (State Electricity Company), i.e. the voltage drop should not exceed the maximum of 10%.

Experimental investigations of 3.75 kW laboratory scale pico Kaplan hydraulic turbine Shiv Lal; Shanti Lal Meena
International Journal of Applied Power Engineering (IJAPE) Vol 12, No 1: March 2023
Publisher : Institute of Advanced Engineering and Science

Experimental investigations of 3.75 kW Pico Kaplan turbines have been carried out in this communication. The turbine is utilized for the experimental purpose for the students and it is procured under TEQIP-III project of World Bank. The load test of the turbine has been done which run at 50% capacity and presented the main and operating characteristic curves. It is observed that the efficiency of the turbine will improve at low speed, high brake power and high discharge. The discharge is also depending on the available head and the quantity of water. So, the turbine efficiency is also improved with respect to increasing the discharge. At the increasing the specific speed the discharge will also be increased linearly. The Pico Kaplan turbine can be used for runways water likes in Canals, rivers and no dam is required. The basic design is very simple and it is very common because it has vast applications for small, pico and micro power generation. It can be used in lot of regions like Himachal, Uttarakhand, Jammu & Kashmir, Eastern State (Assam, Arunachal Pradesh, Meghalaya, and Manipur), Punjab, Karnataka, Kerala, West Bengal, Maharashtra and Rajasthan states of India. This study will be useful for the researcher in the area of small hydro power plants.

A novel PWM technique for reduced switch count multilevel inverter in renewable power applications Rakesh Shriwastava; Sonali Gosavi; Shridhar S. Khule; Somnath Hadpe; Mohan P. Thakare
International Journal of Applied Power Engineering (IJAPE) Vol 12, No 1: March 2023
Publisher : Institute of Advanced Engineering and Science

This paper described a novel pulse width modulation (PWM) technique in reduced switch count multilevel inverter (MLI) for renewable power applications. Therefore, the proposed technique finds a better solution in the multilevel inverters used for improving power quality, efficiency and reduction of switching and conduction losses. It produces a smoother sinusoidal output waveform with reduced total harmonic distortion (THD) using different modulation technique. The novel PWM technique consists of nearest level control (NLC) and level shift pulse width modulation (LSPWM). Normally semiconducting devices are added for increasing number of levels. It affects the power quality and efficiency due to losses. In this work, MLI topology with reduced number of switches count for NLC and LSPWM is presented. The single-phase and three-phase inverter configuration is used in proposed mythology. Detailed simulation results for 7-level inverter of single and three-phase inverters are presented in this paper. It is observed that NLC method is better efficiency and reduced THD than LSPWM for better utilization in renewable power applications.

Reliable and efficient operation of distribution network by connecting solar distributed generation Simarla Vijender Reddy; Mane Manjula
International Journal of Applied Power Engineering (IJAPE) Vol 12, No 1: March 2023
Publisher : Institute of Advanced Engineering and Science

One of the major issues in the distribution network (DN) is ensuring that power systems operate optimally in light of the effects of distributed generation (DG). In a broader sense, optimal operation in a power system refers to the most efficient use of all active and reactive power generation and control equipment that adheres to physical and technical constraints. Most studies focused on DG size and location in the DN, using various optimization techniques for loss reduction. But in a practical distribution network, reliable operation is dependent on the demand and power supply at any given moment. Solar DGs provide variable power throughout the day, and loads are similarly variable. It is difficult for the DN to function efficiently and reliably while handling variable loads and DG power supplies. Voltages and power losses are measured as loads change by connecting solar DGs to assess the performance of the DN.

Mapping of lamtoro field in supporting the co-firing of steam power plants program Yasin Mohamad; Sardi Salim; Lanto Mohamad Kamil Amali; Abdi Gunawan Djafar
International Journal of Applied Power Engineering (IJAPE) Vol 12, No 1: March 2023
Publisher : Institute of Advanced Engineering and Science

The policy of renewable energy in Indonesia is expressed in the government regulation no. 79 in 2014 regarding the national energy policy. In the document, renewable energy is targeted to reach 23% in 2025, and a minimum of 31% in 2050. One of the developed renewable energies is biomass which is produced by lamtoro, a plant which has been employed as a mixture in coal at Anggrek steam power plant 2×25 MW Gorontalo. As much of 1% to 5% of lamtoro is added in 1,000 ton of coal per day. The research aims to create a thematic map of the distribution of lamtoro to meet the need of co-firing at Anggrek steam power plant. The result of research shows the total area of field which has been planted with lamtoro is 69,074 ha, scattered in 14 districts. Meanwhile the largest area is Kabila Bone district (22,070 ha), and the smallest area is East Bulango district (0.228 ha). The estimated potential of lamtoro in 14 districts of Bone Bolango regency is about 916,439.86 ton/ha/year.

Power supervision of an autonomous photovoltaic/wind turbine/battery system with MPPT using adaptative fuzzy logic controller Djamila Rekioua; Samia Bensmail; Chafiaa Serir; Toufik Rekioua
International Journal of Applied Power Engineering (IJAPE) Vol 12, No 1: March 2023
Publisher : Institute of Advanced Engineering and Science

In this work a power supervision of an autonomous photovoltaic/wind turbine/batteries system is presented. Measurements of weather conditions during different has been made. Due to the instantaneous changing of solar irradiance, temperature and wind speeds, maximum power point tracking (MPPT) is integrated. Due to its ease of use, the perturb and observe (P&O) algorithm is the most preferred, but has a great disadvantage of oscillations at steady state. The adaptative fuzzy logic controller (AFLC) method is also widely used for its advantages of fast response with better performance than the classical FLC and P&O strategies. An accurate sizing methodology was applied in the proposed sizing approach to calculate the PV and wind turbine generators number. To manage the various powers, supervision method is simple, easy realization and not heavy computation. A simulation study under MATLAB/Simulink has been made. The different results are given and analyzed.

Energy management system for AC/DC HMGS integrated with interconnected renewable sources and interlinking converter Syed Abdul Razzaq; Vairavasamy Jayasankar
International Journal of Applied Power Engineering (IJAPE) Vol 12, No 1: March 2023
Publisher : Institute of Advanced Engineering and Science

AC/DC hybrid micro grid system (HMGS) is designed with renewable energy sources (RES) and battery energy storage system (BESS) with unique control schemes, interfaced with multi terminal interlinking converters (ILCs). This ILC operates on droop control scheme to guarantee bidirectional power sharing to AC/DC sub grids. The power sources in AC/DC sub grids like PV, Fuel cell, BESS are controlled by advance control methods for maximum power extraction with power quality. A three-level control structure is designed for optimal energy management system (EMS). The first level confirms the power balance in AC/DC sub grid with autonomous bidirectional power transfer via ILC in islanded mode. The second level tracks the batteries state of charge (SoC), based on the minimum and maximum SoC the battery operates for charging and discharging. The third level gives the power redundant capability for critical loads connected in AC/DC sub grid for DC system and single-phase system.

Evaluation of flexibility assessment indices upon flexible loading of thermal power plants with high penetration of renewables Srikanth Reddy Yanala; Matam Sailaja Kumari; Sydulu Maheswarapu; M. Mohana Rao
International Journal of Applied Power Engineering (IJAPE) Vol 12, No 1: March 2023
Publisher : Institute of Advanced Engineering and Science

In this paper, power system flexibility assessment indices evaluation has been carried out with high penetration of renewables in MATLAB environment, inspired from IRENA FlexTool. The parameters such as magnitude of energy mix, resources available, electricity tariffs and price affordability play a vital role in the proposed research. The developed program has been tested against IEEE 9 bus and IEEE 39 bus systems with and without time-series data and with and without high penetration of renewables. By closely matching the results for various test cases and time series evaluations for IEEE 9 and IEEE 39 bus systems, the developed program has been benchmarked with the IRENA FlexTool and the comparisons have been charted out.

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