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1871 articles for “Paper”
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Simulation of Pyramidal Structures Of Coco Peat and Coconut Shell Activated Carbon as Radar Absorbing Material
Abstract: Shape is the main parameters that affect the performance of the pyramidal microwave absorber. The pyramidal shape is mostly installed in the anechoic chamber. But the shapes of these pyramidal structures are very large. The aim is to design a structure of pyramidal absorber with different materials and with low height to achieve maximum absorption. In this paper, we have investigated the different structures of the pyramidal absorber and simulate …
Published in International Journal of Microwave Engineering and Technology · Vol. 2, Issue 2, 2016 · pp. 1–6 Read article
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DESIGN OF HIGH PERFORMANCE WIDE BAND COMPACT BRANCH LINE COUPLER USING PCB TECHNOLOGY
Abstract: This paper comprises designing of a wide band Branch Line Coupler by using PCB technology. The size is greatly reduced by using only patch on substrate without ground. The proposed designed coupler is working for 0-3 GHz frequency. The main concern of this paper to design and fabricate a compact branch line coupler with high performance and measured values well matched with simulation. The simulation can be achieved by using …
Published in International Journal of Microwave Engineering and Technology · Vol. 3, Issue 1, 2017 · pp. 6–10 Read article
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DOUBLE U-SLOTTED CIRCULARLY POLARIZED MICROSTRIP ANTENNA WITH DEFECTED GROUND STRUCTURE
Abstract: Double U-slot truncated patch antenna is designs and simulates frequency in microstrip patch antenna using Defected ground structures with co-axial feeding. This paper presents a circular polarized (CP) Double U-slot microstrip antenna with single band for wireless communications system application which is suitable for the 2.35 GHz single-band operations. Antenna design in double U-slot truncated patch in Defected ground structure. The proposed antenna designed on FR-4(lossy) with dielectric constant of …
Published in International Journal of Microwave Engineering and Technology · Vol. 3, Issue 2, 2017 · pp. 14–18 Read article
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Design a Compact Microstrip Patch Antenna on a Center Frequency of GSM Band with DGS for Gain Enhancement
Abstract: In this paper, a compact dual band microstrip patch antenna has been designed on a center frequency of GSM band (800–900 MHz) and (1800–1900 MHz) using the DGS technique. The resonating frequency of this antenna 0.845 and 1.850 GHz, the proposed antenna is designed on an FR4 lossy substrate with dielectric constant 4.3, thickness 1.6 mm and loss tangent 0.02. The main objective of this paper is to increase the …
Published in International Journal of Microwave Engineering and Technology · Vol. 3, Issue 2, 2017 · pp. 1–6 Read article
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Survey of Designing Techniques to Design Dipole Antenna
Abstract: ABSTRACTIn this review paper, the author has shown a comparison of various techniques available to a dipole antenna. A dipole antenna is generally used in modern communication devices. The study of the literature of the past few years shows that the leading work on the dipole antenna is focused on designing a compact-sized broadband dipole antenna. The author investigated various research papers published to design such a kind of antenna …
Published in International Journal of Microwave Engineering and Technology · Vol. 6, Issue 1, 2020 · pp. 1–6 Read article
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A Loop-based Microstrip Dipole Antenna for Operations at 1 GHz
Abstract: This paper proposes, designs, simulates, and analyses a novel microstrip dipole antenna design consisting of two identical loops for operations for a bandwidth centering around 1 GHz (namely the 0.5 GHz to 1.5 GHz bandwidth). This proposed design consisted of FR-4 being used as a substrate of a thickness of 1.6 mm and pure copper layers of 0.1 mm in height. It should be noted that this antenna design consisted …
Published in International Journal of Microwave Engineering and Technology · Vol. 7, Issue 2, 2021 · pp. 1–7 Read article
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Stretchable Antennas for Next Generation Communication Systems
Abstract: Due of its extensive applications in fields such as biomedical applications and wearable devices, the internet of things, and 5G applications, demand for flexible wireless communication systems is expanding. Flexible wireless communication necessitates stretchable antennas. Flexible electronic devices has many advantages like easy portability, light in weight and use of ecofriendly materials. The popularity of flexible electronic devices is due to these properties. The selection of flexible or stretchable antenna …
Published in International Journal of Microwave Engineering and Technology · Vol. 8, Issue 1, 2022 · pp. 41–46 Read article
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Analysis of Different Level Shifted PWM Techniques with Cascade H-Bridge Multilevel Inverter for 7-Level
Abstract: Multilevel inverter is a method of generating high voltage waveforms from lower voltage components with less distortion. It is used to solve the quality issues in power. This paper presents the study of different Level Shifted PWM techniques with a 7-level cascade H-Bridge Multilevel Inverter. Foranalysis, Cascade H-Bridge is preferred over other conventional topologies named Diode Clamped & Flying Capacitor due to reduce switching components. Cascaded H-Bridge topology produces less …
Published in International Journal of Microwave Engineering and Technology · Vol. 8, Issue 1, 2022 · pp. 1–7 Read article
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Fabrication of Compact Flexible Antennas Using Exotic Nano, Metamaterials for Wearable and Bio Medical Applications
Abstract: Flexible antennas become a growing number of things as part of the rising demand for accessible, wireless IoT-based medical equipment. This paper majorly focuses on the various methods of fabrication of these flexible antennas. Here, several kinds of design innovations, novel materials, and innovative methods of manufacturing are laid out. Hence this review paper justifies the need for flexible antennas, processes used for fabricating them and their significance.
Published in International Journal of Microwave Engineering and Technology · Vol. 8, Issue 2, 2022 · pp. 1–7 Read article
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Single Phase Multistring Multilevel Inverter Topology for Distributed Energy Applications
Abstract: Distributed energy resources systems are little scale power generation used to give substitute arrangement or extra improvement of customary traditional electric power system. This paper is mostly focused on Single phase multilevel inverter for Distributed Energy Resources. The aim of this paper is to reduce switches with increase in multilevel outputs which intrinsically reduces the cost and harmonics. Seven level inverter requires six switches and thirteen level inverter requires 8 …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 1, Issue 2, 2015 · pp. 25–36 Read article
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Analysis of THD in Voltage Source Inverter with Constant Current Controller for Solar PV Cell
Abstract: A common method in the study of voltage source inverters is the hypothesis of a voltage-type input source even in the case of renewable energy (RE). When a converter is supplied by an RE, such as a photovoltaic (PV) generator, the dc-link voltage is usually controlled by the converter with closed loop to extract maximum power from the source. The main aim of the paper is to analyze the total …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 2, Issue 1, 2016 · pp. 7–14 Read article
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Fibonacci Series for Hybrid Symmetrical Multilevel Inverter Topology Using Different PWM Strategies
Abstract: Multilevel inverters are suggested to obtain high superiority output voltage. In this paper, a new hybrid configuration is proposed, obtained by cascading one four switches H-bridge cell with a family of multilevel inverters. In addition, by the use of specific sequence for value of DC sources named Fibonacci series, new topology of proposed inverter is introduced. Main advantages are that planned inverter has least Peak Inverse Voltage (PIV) than other …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 2, Issue 1, 2016 · pp. 54–60 Read article
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Enriched Technique for DG Placement and Sizing by GA Optimization
Abstract: The demand of proficient and high quality power is rising in the world of electricity. Power utilities are facing major challenges as the demand of power system is growing exponentially. To meet this demand, the present need is to provide the consumer demand locally by Distributed Generation (DG). However, a large number of DG units in a distribution system may occasionally provide to high levels of harmonic distortion even though …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 2, Issue 2, 2016 · pp. 1–12 Read article
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Power Quality Enhancement in 3P4W Distribution system with Design of Υ/Δ and Zig/ZagTransformer Based DSTATCOM
Abstract: Abstract: - Power quality is solitary of the foremost issues within the gift epoch. With power quality tribulations utility distribution networks, industrial hundreds, sensitive hundreds etc. square measure suffered. Power quality improvement is a crucial issue in respect of accelerating application for nonlinear hundreds. This paper presents the simulation style of a Υ/Δ and Zig/Zag Transformer based mostly DSTATCOM for power quality improvement & performance of distribution system underneath linear …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 3, Issue 1, 2017 · pp. 6–17 Read article
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Designing of Solar based hybrid system for rural Electrification
Abstract: The hybrid system is specifically intended to meet the load demand in varying times by combining various renewable power sources such as wind turbines, solar panels along with battery. The simulation software used in this research is HOMER and simulation result shows that the best combination system for the electricity generation is solar-Battery hybrid system having NPC and price of electricity is $9009.43 and $0.6369/kWh. In this research paper the …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 6, Issue 1, 2020 · pp. 13–21 Read article
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Blackout Prevention Methodologies: A Burning Topic of Research
Abstract: Black out means complete shutdown of electrical network due to some circumstances. A large scale power failure or power outage for a certain amount of time happens due to blackout. Black out is a huge threat for power system engineers since it cause huge obstacle and financial losses in human life and utilities. So, blackout must be prevented for the welfare of human and society. Therefore, black out prevention methodologies …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 7, Issue 2, 2021 · pp. 13–19 Read article
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Analysis of Prefluxing Method for Transformer Inrush Current Reduction
Abstract: Inrush Current is a harmonic-rich current which flows in transformer when it is energized. Inrush current affect the winding of transformer by means of its structural deformation, induce the voltage distortion, and reduce the power quality. There are number of methods available for transformer inrush current’s reduction. Among them, the latest and emerging method is the prefluxing method. In this paper, same has been explained with its results of simulations …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 8, Issue 1, 2022 Read article
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Simulation and Analysis of Grid-connected PV System with Active Filter based on P-Q Theory
Abstract: This paper presents a comprehensive analysis of two grid-connected photovoltaic (PV) systems, one with a 100-kW capacity and the other with a 25-kW capacity, incorporating an active filter based on the Instantaneous Reactive Power Theory (P-Q theory). In comparison to passive filters, the active filter based on the P-Q theory offers several advantages. While passive filters are limited in their ability to adapt to varying grid conditions and load profiles, …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 9, Issue 2, 2023 · pp. 1–11 Read article
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A Star Shape Wideband Antenna for Microwave Energy Harvesting
Abstract: The paper proposes a Wideband star shape Microstrip Antenna, with particularly intended to wide bandwidth, small size for utilizing in microwave energy harvesting system. The antenna simulated with half ground is having a lower VSWR (Voltage Standing Wave Ratio) of 1.1 at a design frequency of 3.55 GHz, and a 2:1 VSWR bandwidth of 3.267GHz achieved. The structure of antenna is finally decided after analyzing various dimensional effects on bandwidth, …
Published in International Journal of Telecommunications & Emerging Technologies · Vol. 1, Issue 1, 2015 · pp. 27–31 Read article
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Enabled Impairment Cognizant Of Elastic Optical Networks By Traffic Grooming And Multipath Routing
Abstract: The large bandwidth of fibre optical networking is far wider than the typical bandwidth required by network service providers. This variation leads to a need for multiplexing the low rate traffic demands into optical wavelength channels, but this call for a extravagant electronic swapping devices, potentially equalizing the advantage of low cost optical transport. Traffic grooming and multipath routing are two techniques that are being commonly used to increase the …
Published in International Journal of Telecommunications & Emerging Technologies · Vol. 2, Issue 1, 2016 · pp. 24–28 Read article