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JGE

Journal of Green Engineering

[Indexed in Scopus]

ISSN: 1904-4720 (Print)
ISSN: 2245-4586 (Online)
Publication Frequency: 12 issues per year

Volume:9 Issue:4

An Energy Conservation Opportunity in Paper and Pulp Industry
1R.Selvam , 2P.MVenkatesh, 3M.Shanmugapriya, 4S.Manisha
1Assistant Professor, Department of Electrical and Electronics Engineering, KCG College of Technology, Chennai, India.
2Assistant Professor, Department of Electrical and Electronics Engineering, Vignan Foundation of Science, Technology and Research, Guntur, India.
3Assistant Professor, Department of Electrical and Electronics Engineering, KCG College of Technology, Chennai, India.
4Assistant Professor, Department of Electrical and Electronics Engineering, KCG College of Technology, Chennai, India.
Abstract: [+]
Industrial growth is a vital factor for economic development of the country. Electric energy is the reason for Industrial Production. Sparing electrical energy intends to enhance generation and lesser energy utilization, in this way diminishing expenses without losing productivity and nature of administrations at any occurrence. This demand can’t be met with production alone. The produced energy must be used in a compelling way. This paper point is the energy preservation openings in Tamilnadu Paper Ltd (TNPL) by actualizing the blow down water recuperation to moderate the energy as far as cost subsequently limiting the use of the water utilization, chemicals used to treat the water and finding different opportunities in different areas of the paper plant like paper machine, pulp plant. In this paper, lighting is additionally more significance so as to diminish the energy utilization as far as cost.
Keywords: Blow down water recovery, EnergyConservation, Efficiency,lighting systems, Paper and Pulp Industry
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Potential Use of Dolomite Hydrated Lime In Sustainable Strength Improvement Of Clayey Soil
1A. Mani Bharathi, 2P.T Ravichandran, 3K.Divya Krishnan
1Post Graduate Student, Department of Civil Engineering, SRM Institute of Science and Technology, Chennai, India.
2*Professor, Department of Civil Engineering, SRM Institute of Science and Technology, Chennai, India.
3Assistant Professor, Department of Civil Engineering, SRM Institute of Science and Technology, Chennai, India.
Abstract: [+]
In present days the construction work is done in all the type of land areas which exhibits shrink-swell behaviour due to the action of moisture content and these types of soils are called as expansive soils. These soils require improvement in groundbefore any construction practiceswere takes place in order to enhance their engineering characteristics. In this study an attempt has been madeto investigate the effect on strength characteristics of two expansive soil samples with different properties.The soil samples are stabilized by using dolomite hydrated lime in various proportions such as 5%, 10%, 15% and 20%of the dry weight of the soil and cured for 0, 3, 7, 14 and 28 days. Unconfined compressive strength test were done on these two soil samples in both untreated and treated condition for strength characteristics and the free swell index test is also done to study the swelling properties. The strength values of the dolomite hydrated lime treated soil samples shows that the value is increased and peak strength of both the soil samples 1 and 2 are increased from 133kPa and 100kPa to 299kPa and 277kPa respectively. The free swell index value for the soil samples 1 and 2 that the dolomite hydrated lime wasan effective additive in increasing the strength which alternatively reduces the swelling of the expansive soils.
Keywords: Curing period, Clayey Soil,Dolomite hydrated lime,Stabilization,Sustainable strength.
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Frequency Reconfigurable Micro strip Antenna Switching Techniques for sustainable environment
1K.Thenkumaril, 2K.Sakthidasan @ Sankaran
1Assistant Professor, Department of Electronics and Communication Engineering, Hindustan Institute of Technology and Science, Chennai, India.
2Associate Professor, Department of Electronics and Communication Engineering, Hindustan Institute of Technology and Science, Chennai, India.
Abstract: [+]
The requirement for a simple system that fulfills several functionalities and conditions has expanded because of the fast progress in the arena of communication. The advancement of reconfigurable system has ended up being a help to such frameworks because of its dynamic features, modest structure, light weight, good radiation properties and gain. The rapid development in wireless technologies requests an exceptionally complicated framework to fulfil the criterions. Complex structures like filters at front end have been transformed to simple antenna structures by the researchers. This paper focuses on different research works completed in the field of frequency reconfigurable antennas that has extensively diminished the design complexity in antenna construction. Exceptional layout standards, systems and effects had been reviewed and analysed.
Keywords: FET Switch,MEMS,PIN Diode,Reconfigurable antenna, Sustainability
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Sustainable Consideration by Characterization of Concrete through Partial Replacement of Fine Aggregate using Granite Powder and Iron Powder
1*V.SaravanaKarthika, 2A.Mohan, 3R.Dinesh Kumar, 4Chippymole James
1*Associate Professor, Department of Civil Engineering, Easwari Engineering College (Autonomous), Chennai, India.
2,3,4Assistant Professor, Department of Civil Engineering, Easwari Engineering College(Autonomous), Chennai, India.
Abstract: [+]
In the present scenario, the infrastructure/construction industry had come up with a serious issue of Natural River sand availability because of over usage and high demand leads to its availabilityand increase in cost.To overcome this type of problems we want to find new consumption and replacement for sand. The wastes from the granite rocks and Iron related particles are discarded to the environment which causes health risks. These wastes can be reused as fine aggregate in partial replacement. In order to find out the maximum possible utilization of the granitepowder and Iron powder as partial substitute of fine aggregate, an experimental investigationhas been studied out. Granite slurry waste and Iron waste are used as a fine aggregate by replacing which will fills the concrete gaps thereby increasing the strength characteristics of the concrete. Concrete is prepared in four different propositions with granite powder constant at 10 % (obtained from various literatures) & Iron Powder as 10%, 15%, 20% and 25%. Strength Characteristics like flexural strength, split tensile strength, and compressive strength are carried out.
Keywords: Environmental Hazards,Granite Powder, Iron Powder, Mechanical Properties and Sand Replacement
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Simulation of Load Redistribution Attack using YALMIP software in Electrical Energy Market
1Kotapuri Mercy Rosalina and, 2Kommoju C Sravanthi
1Associate Professor, Department of Electrical and Electronics Engineering, Vignan’s Foundation for Science, Technology and Research, Guntur, Andhra Pradesh, India.
2Research Scholar, Department of Electrical and Electronics Engineering, Vignan’s Foundation for Science, Technology and Research, Guntur, Andhra Pradesh, India.
Abstract: [+]
In the present deregulated energy market, State Estimation (SE) plays a key role for maintaining the system secure and reliable. DC State Estimation measures active power flow and estimates voltage phase angles. Recent measurement devices, Remote Terminal Units/Phasor Measurement Units acquire real-time data, which in further is communicated to control center. Bad/false data can be injected into the system which can be detectable or undetectable. Undetectable False Data Injection Attacks (FDIAs) can make SE get affected and leads to system vulnerability. Practically FDIAs target bus active power injections and line active power flows are called as Load Redistribution Attacks (LRAs). To find the most damaging LRA Vector (LRAV) of a system, a bi-level optimization problem is framed. In this paper, most damaging LRAV of a modified IEEE-14 bus test system is found by using YALMIP software, without converting bi-level optimization problem to single-level optimization problem.
Keywords: Bi-level Programming Program,False Data Injection Attacks, Load Redistribution Attacks, State Estimation, YALMIP software.
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Modeling and Optimization of an Environmentally Safe UWB Octagonal Planar Monopole Antenna
1M. Y. Elhefnawy, 2Aladdin Assisi, 3Ibrahim F. Taradand , 4HosnyAlmotaafy
1Department of Electronics Communication Engineering, Faculty of Engineering , Al-Azhar University, Cairo, Egypt.
2Electronic Warfare Engineering, Department, Military Technical College, Cairo, Egypt.
3Department of Electronics Communication Engineering, Faculty of Engineering, Al-Azhar University, Cairo, Egypt.
4Electrical and communication Engineering, Higher Technological Institute, Cairo, Egypt.
Abstract: [+]
Modeling and optimization of environmentally safe electromagnetic wave radiators are essential trends in modern green engineering, especially in green communication. UWB and SWB antennas introduce promising innovations for medical applications, such as UWB radars used in human tissues diagnosis and early discovery of cancer. In this paper, we discuss different techniques that can be applied to maximize the frequency coverage of a planar octagonal monopole antenna and extend it from UWB to SWB. A SWB antenna is well matched along a frequency range starting from fmin up to 20fmin. Different values of each antenna design parameter are compared to show how that parameter affects the antenna frequency coverage. Many simulation runs have been done to get insight into the effects of different design parameters. Some additional parameters are subject to optimization with the maximum frequency as an optimization goal. A design optimization problem has been formulated and solved to get a SWB planar octagonal monopole antenna with the widest possible bandwidth. The optimized antenna performance has been calculated by simulation. Finally, a sample of the SWB antenna has been implemented and its frequency response has been measured.
Keywords: Frequency band,Printed octagonal monopole antenna,RES, SWB antenna, Return loss, UWB antenna.
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Implementation of ZVS Based Isolated Double Step down DC to DC Converter for E-Vehicle battery charging or DC Load Application
1V. Senthil Nayagam, 2L.Premalatha
1Research scholar, Department of EEE, Sathyabama Instituteof Technology and Science, (Deemed to be University), Chennai, India.
2Professor, Faculty of Electrical and Electronics, School of Electrical Engineering, Vellore Institute of Technology, Chennai, India.
Abstract: [+]
This paper, the isolated double step down DC-DC converter with high potency with fewer ripples is proposed. The double step down converter can be utilized for battery charging of the E-Vehicle according to the ground clearance variations or various battery capacities in various E-Vehicles. When Compared to the existing full-bridge converters, the proposed converter having a feature of double change of magnitude with reduced voltage stress at the first aspect of the electrical device. Similarly the voltage stress of three primary switches reduced to half of the input voltage by zero voltage switching (ZVS) is of course achieved for all switches with lower output electrical device energy of the switches. Therefore, without increasing the complexity of the hardware implementation the modified DC-DC converter is designed, also the proposed converter inherently prevents electrical device saturation drawback caused by the DC part of the electrical device. An experimental setup is made to verify the performance of the proposed converter.
Keywords: Battery charging ,Double Step down of voltage magnitude, E-Vehicle, full-bridge converter, Zero Voltage Switching.
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Accurate Reactive Power Sharing using Adaptive Virtual Impedances in an Islanded Micro-grid
1Ch.N.Narasimha Rao, 2K.Balakrishna, 3Y SrinivasaRao, 4A.Naveen Reddy
1Assistant Professor, Department of Electrical and Electronics Engineering, VFSTR(Deemed To be University), Vadlamudi, India.
2Assistant Professor, Department of Electrical and Electronics Engineering, VFSTR(Deemed To be University), Vadlamudi, India.
3Assistant Professor, Department of Electrical and Electronics Engineering, VFSTR(Deemed To be University), Vadlamudi, India.
4Assistant Professor, Department of Electrical and Electronics Engineering, VFSTR Deemed To be University, Vadlamudi, India.
Abstract: [+]
At present reactive power distribution approach works virtual impedance and communication idea is projected to progress the correctness of reactive power in islanded Micro Grid (MG). Communication is used to simplify the change of prefer virtual impedances in order to recompensate for the misalliance feeders voltage drops with the integral controller along with the droop control (IDC). When the virtual impedances are modified for assumed load working point, the approach will effect in correct reactive power distribution even communication is interrupted. Communication is unobtainable in case load variations; decrease the correctness of sharing, and then the projected approach will now better than the normal drop control technique. The reactive power distribution correctness depends on projected approach is protected to the delay in communication network. Compassion of the adjusted controller factors to variations in system working point is also discovered. No need additional information to improve the feeder with the help of IDC. The effectiveness and feasibility of the projectedapproaches are authenticated by using simulation with the help of Matlab software.
Keywords: Communication,Droop control, Micro grid control, Reactive power control, Virtual impedance.
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Fault Detection in IEEE 33kV Distribution and Micro-Grid Systems using Hybrid Fuzzy-GA Approach
1M. Murali, 2V. Ramaiah, 3Chimirela Rachappa
1Assistant Professor,Department of EEE, KITS Warangal (Autonomous), Telangana, India.
2Professor,Department of EEE, KITS Warangal (Autonomous), Telangana, India.
3ADE (Energy Audit), TS SPDCL, Hyderabad, Telangana, India.
Abstract: [+]
In this article, an intelligent technique of Fuzzy – GA (FGA) approach is proposed for detecting faults (or defects). To decrease the outage time in addition to improve service dependability, it is necessary on behalf of operators to detect the defect segments as speedily as possible. This method requires drastically less memory to keep the database and recognizes crucial device regions. Shealthy for the healthy enclave and Sisland for the inability enclave by means of post defect condition with circuit breakers (CB’s) and Relays (or transfers). Next determines membership function (or participation function) for every potential defect segment. The most achievable defect segment is chosen by highest choosing technique. The technique is described and verified on an IEEE 33kV distribution system and also applied on a Micro-Grid system as case studies.
Keywords: Fault detection, Fuzzy-GA approach, Hybrid Fuzzy-GA Approach, Membership function, distribution system, Micro-grid system
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Experimental Study of Improving the Efficiency of Photovoltaic Cells by Using Various Angles of Pneumatic Routers
1,2*AyadJasimJaber, 3Hyder Hassan AbdBalla, 3Mahdi HatfKadhum Aboaltabooq, 1Azwan Bin Sapit
1Faculty of Mechanical and Manufacturing Engineering, University Tun Hussein Onn Malaysia (UTHM), Iraq.
2Iraqi Cement State Company, Ministry of Industry and Minerals, Baghdad, Iraq.
3Assistant Professor, Al-Furat Al-Awsat Technical University, Iraq.
Abstract: [+]
The photovoltaic (PV) panels’ chief precedence and abundant concern is the electricity’s production. Moreover, the conversion of solar energy into electricity relies upon the operation of solar cell temperature in an upsurge in performance with temperature reductions. This paper describes the development of a new type of cooling of hybrid photovoltaic (PVT) cells, The experimental study presents a method to the decrease in photovoltaic panels’ temperature with the usage of air cooled heat sinks, our search results were the electrical efficiency values increased from 2.5% to 7%, while the temperature values the PV panel decreased from 5.2% to 15%, at air mass flow rates of 0.116and 0.466kg/s, respectively. For this purpose, the trial installations were manufactured in Iraq at the Technical University of Al-Furat Al-Awsat. The goal of this research was to distinguish the solar panel’s electrical behavior to progress the advancement in the photovoltaic installations’ design retained in conforming the less operating temperatures that will accurate and converse the manufactured impacts on the effectiveness through low operating temperatures while using the fossil fuel usage as well as the consumption of electricity in several applications.
Keywords: Experimental facilities, Efficiency improvement, Solar panels ,Temperature decrease, Temperature influence.
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Experimental Investigation of Eco-Friendly Mortar using Industrial Wastes
1S.Lavanya Prabha, 2M.Surendar, 3M.Neelamegam
1,3Professor, Department of Civil Engineering, Easwari Engineering College, Ramapuram, Chennai, India.
2Assistant Professor, Department of Civil Engineering, Easwari Engineering College, Ramapuram, Chennai, India.
Abstract: [+]
The main objective of this paper is to develop a cement free sustainable Eco- friendly mortar for prefabricated construction, ferrocement application, etc. Now-a days the prefabrication industry gains importance because of the labour shortage and material savings. This paper presents the development of industrial wastes for prefabricate the modules and ferrocement applications. Fly ash, copper slag and alkali activator solution were identified as the primary materials for developing eco-friendly mortar. The parameters considered for design mix proportions are, (i) the ratios of fly ash to copper slag, (ii) binder liquid to flyash and copper slag and (iii) various molarities of Alkaline Activator Solution (AAS). The fresh and hardened stage properties of the developed E-Mortar were tested as per Indian standards IS 516:1959. Based on the results obtained from the study fly ash: copper slag: binder was 1:1:0.6 attaining the target compressive strength was considered as the first standard mix. The concentration of sodium hydroxide solution was optimized by using it in different proportions to the standard mix. The AAS of molarity 16 was found to be cupboards, canal lining, construction of boats and water tanks.
Keywords: Alkaline Activator Solution, Copper slag, Eco- friendly mortar, Fly ash, Molarity.
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FireFly ANN Based UPQC-S PV Array System for Power Enhancement
1Madhavi Dasari, 2V.S. Bharath
1Research Scholar, Department of EEE, Oxford College of Engineering, VTU, Karnataka, India.
2Professor, Department of EEE, Oxford College of Engineering, VTU, Karnataka, India.
Abstract: [+]
In this research work, the action of power outcome from the PV array is controlled and enhanced. This work is proposed to controll the scheme applied on variable irradiance with altering the power connections by two-level inverter controlling strategy. Firefly ANN approach is applied to analyse the PQ theory and fundamental harmonics in voltages. It is done using (Firefly Based Neural Networks-Anfis Controller)-FANN-AC scheme. This contribution is used to develop the two stages controlling approach that adjust the DC voltages. 3 phase non-linear load conditions and its effects on source voltages and currents are considered.This work is implemented in MATLAB -15b, Simulink design is implemented to observe the variable irradiance changes and non-linear load conditions, limit harmonic distortion in the current.
Keywords: Controllers,Neural Networks,Power Quality analysis, PV array, UPQC.
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Performance Analysis of Reference Current Generation Methods with PI Controller For Single-Phase Grid Connected PV Inverter System
1Srikanth Sattenapalli , 2V. Joshi Manohar
1Research Scholar, Department of EEE, KoneruLakshmaiah Education Foundation, Vaddeswaram, A. P, India.
2Professor, Department of EEE, Presidency University, Bangalore, Karnataka, India.
Abstract: [+]
In this research, a novel remarkable current generating method for proficient functioning of the single stage PV inversion framework is discussed. Mostly, the genuine/responsive power conveyed to the single stage inversion system is managed for incorporating DG with electricity line. The proposed PI controller has various goals to accomplish maximum coordination among single stage PV system and DG with limited Total Harmonic Distortion (THD), enduring blunder and velocity. The result acquired with the proposed strategy in simulation is contrasted with different conventional systems to validate its superiority in terms of proficiency and precision. MATLAB simulation is embraced to verify the proposed methodology and the relative investigations have been done. The best outcome with less THD and quick responses are noted when PI combined with SRPC approach.
Keywords: Double-line-frequency ,Harmonic current, PI Controller, Power pulsation,Total Harmonic Distortion.
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