Search
101 articles for “injectable systems”
-
Power Market Management and Grid Controls Platforms with Integrating Third Party Owned DER
Abstract: In the deregulated electricity market, many Individual Powers Produces (IPP)/Distributed Energy Resources (DER) compete to sell the power. Grid and power flow controlling is a challenging task. In deregulated scenario many market model, according to that the power-flow control has to be done looking at the Available Transfer Capacity (ATC) in the lines. FACTS controllers are well suited to control the active power by injecting/absorbing the reactive power from the …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 7, Issue 3, 2020 · pp. 24–30 Read article
-
Application of an Online Chromium Reduction System for D/H Analysis of Water Samples with Large Isotopic Variations Using Conventional Mass Spectrometer
Abstract: We present an online chromium (Cr) reduction system for measuring the D/H ratio of water samples exhibiting significant isotopic contrast, where the memory effect cannot be overlooked. Memory compensation is incorporated into the analysis procedure to mitigate this effect, allowing the utilization of injection results that would otherwise be discarded due to the memory effect. This approach enables a faster analysis and an increased sample throughput. Additionally, crucial aspects of …
Published in Journal of Instrumentation Technology & Innovations · Vol. 15, Issue 1, 2025 · pp. 7–12 Read article
-
Smart Carburetor (A New Technology/Methods to Convert All Fuels into Useful Energy/Shaft power/ Engine Power, in Automobiles)
Abstract: The combustion of fuels is and will be in the nearest future a basic way of acquiring the energy, the work of non-materials are used in this equipment or design that transform all fuels into usable energy or shaft power to improve the performance of that particular vehicle. here simply convert all fuels into a homogeneous mixture (which is a little non-homogeneous in chemical nature) and turn all fuel particles …
Published in Trends in Mechanical Engineering & Technology · Vol. 11, Issue 3, 2021 · pp. 19–23 Read article
-
Harmonic Mitigation in Shunt Active Power Filter Regulation Approaches with Synchronous Reference Frame: An Extensive Analysis
Abstract: The Shunt Active Power Filter (SAPF) is discussed in this work as a means of removing line-side current harmonics. The Voltage Source Inverter (VSI) topology serves as the foundation for the Active Power Filter. It resolves the power system's harmonic current issue. Additionally, it balances the load on three phases and compensates for reactive power (if load is unbalanced). After measuring load current, it switches to the dq0 coordinate system. …
Published in Journal of Microcontroller Engineering and Applications · Vol. 10, Issue 3, 2023 · pp. 6–15 Read article
-
Recent Trends in Ocular Drug Delivery: Challenges and Approaches
Abstract: Drug topically regulation can be accessed most easily in the eye. When given topically as eye drops, medication ocular bioavailability is quite low. Drug entry into specific ocular locations is complicated by the complex anatomy and physiology of the human eye. Research has long been interested in the topical administration of successful treatments. To provide a suitable ocular penetration and extend the duration of drug residence is their challenging task. …
Published in Research & Reviews: A Journal of Drug Design & Discovery · Vol. 11, Issue 3, 2024 · pp. 22–38 Read article
-
Structure–Property Relationships in Poly (N isopropylacrylamide) Hydrogels: Toward Thermoresponsive Polymer Composites
Abstract: Poly(N-isopropylacrylamide) (PNIPAAm) hydrogels can shift from solid to gel and back again at body temperature. Due to their lack structural integrity, thermal stability, and mechanical strength, they are difficult to use. This study mixed PNIPAAm with biocompatible fillers like chitosan and silicon nanoparticles to create hydrogels with superior structure-property correlations. Free radical polymerization with ammonium persulfate/TEMED initiator and N,N′-methylenebisacrylamide crosslinker produced the composites. Scanning electron microscopy showed a denser, interconnected …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 884–895 Read article
-
Photochemically Assisted LC–MS Method Development and Validation for Stability-Indicating Determination of Glasdegib in Rat Plasma
Abstract: A simple, precise, and cost-effective LC–MS method was successfully developed for the determination of Glasdegib in rat plasma. The method optimization was carried out by systematically varying key chromatographic parameters, including flow rate, injection volume, analyte concentration, and mobile phase composition, to achieve optimal sensitivity and resolution. A C18 Hypersil BDS column (150 mm × 4.6 mm, 3.5 µm particle size) was used for chromatographic separation, offering effective peak shape …
Published in International Journal of Photochemistry and Photochemical Research · Vol. 4, Issue 1, 2026 · pp. 11–20 Read article
-
Securing IoT Wilderness with VHDL
Abstract: The Internet of Things (IoT) has revolutionized connectivity by integrating billions of devices and reshaping industries. However, this vast network also brings substantial security concerns. From compromised sensors to hijacked industrial control systems, the vulnerabilities within IoT devices can have far-reaching consequences. Hardware Security Modules (HSMs) provide a reliable and secure environment for performing cryptographic operations and safeguarding sensitive data. This article explores the crucial role of VHDL (VHSIC Hardware …
Published in International Journal of VLSI Circuit Design & Technology · Vol. 3, Issue 1, 2025 · pp. 29–40 Read article
-
Design of Thin AC Converters (TACCS) using Dual Virtual Quadrature Source Concept
Abstract: Conventional grid control has been based on static assets that are switched in or out for a considerable long time. Traditionally excitation control of generators has provided continuous control in the grid system. Recently, dynamic grid control has been achieved by the use of FACTS devices, i.e. TCR, STATCOM and UPFC, etc. These FACTS devices are expensive and reliability, maintainability are the main problems. For STATCOM devices, the need to …
Published in Trends in Electrical Engineering · Vol. 4, Issue 3, 2014 · pp. 41–48 Read article
-
PCM with Multiple Node Injections
Abstract: Phase-Changing Materials (PCM) are currently being investigated for use as heat storage in solar energy applications. To analyze the temperature profile, morphing tree structures are used to simulate the melting algorithm of Phase Changing Material with increasing branch numbers. The melting behavior is simulated for invading lines of heat, which range from single-lined, zero branch insertions, to insertions with two branched lines. The research aims to address the growing demand …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 14, Issue 1, 2024 · pp. 2–7 Read article
-
Modeling and Optimization of Continuous Gas Lift Performance in Libya Oil Field
Abstract: With a massive number of oil and gas field becoming mature, the upstream engineering is facing new challenge. How to develop , or at least steady production while keeping obtainable reserves at their existing level, As matter of fact unstable production in gas lift wells. The Key issues most operators encounter with oil fields are the effects of high water production that may lead to wells died and decrease in …
Published in Journal of Petroleum Engineering & Technology · Vol. 8, Issue 3, 2018 · pp. 40–48 Read article
-
Effects of Variation of Injection Current on Characteristics of a 1550 nm Semiconductor Laser
Abstract: AbstractThis work represents the prototype of both the analytical and the simulation based study on high speed communication system particularly high speed data transmission through optical fiber using 1550 nm InGaAsP/InP laser. In recent years, Vertical Cavity Surface Emitting Lasers (VCSELs) are prerequisites for future ultrahigh data-rate systems. This paper represents an overview on high speed performance of the 1550 nm VCSEL. Using MATLAB simulation tool the characteristics of the …
Published in Trends in Opto-electro & Optical Communication · Vol. 3, Issue 2, 2013 · pp. 1–6 Read article
-
Securix: An Open-Source Security-based Linux Distribution for Novice Cyber Security Enthusiasts
Abstract: In the ever-evolving field of cybersecurity, the need for accessible and user-friendly tools in favor of beginner users has never been greater. The existing ethical hacking-related operating systems, while powerful, often overwhelm beginners with their complexity. The main objective of this project is to bridge the gap by providing an operating system for novice cyber enthusiasts looking to explore the world of ethical hacking and security. The proposed operating system …
Published in Journal of Open Source Developments · Vol. 11, Issue 3, 2024 · pp. 1–6 Read article
-
An Interline Dynamic Voltage Restorer (IDVR) to Mitigate Voltage Sags
Abstract: Nonlinear load are the vast source for voltage sags. Loads such as arc furnace, large variable frequency drives (VFD) Voltage interruptions can cause severe economic loss to the power system. To protect sensitive loads at the consumer side generally a DVR (dynamic voltage restorer) can be used. DVR is connected in series with the line by injection transformer and it is generally located at the distribution side. DVR is basically …
Published in Trends in Electrical Engineering · Vol. 7, Issue 1, 2017 · pp. 1–7 Read article
-
UPFC based Power System
Abstract: AbstractUnified Power Flow Controller (UPFC) is one of the most versatile FACTS controller for the regulation of voltage and power flow in a transmission line, which can control power system parameters such as terminal voltage, line impedance and phase angle. Therefore it can be used not only for power flow control, but also for power system stabilizing control. Unified Power Flow Controllers are able to direct reactive and real power …
Published in Journal of Instrumentation Technology & Innovations · Vol. 8, Issue 3, 2018 · pp. 21–26 Read article
-
Threats and Attacks on WirelessHART Network in Industrial Control Systems
Abstract: The communication between two devices can be secure and maintain the integrity of the data in which the network protocol plays an important role in the same. Due to the different requirement in the industrial needs make difficult to maintain one standard which lead to the attacks like packet injection and denial-of-service. This paper describes the WirelessHART Protocol (Wireless Highway Addressable Remote Transducer Protocol) based vulnerabilities in order to perform …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 8, Issue 1, 2021 · pp. 33–41 Read article
-
A Review of XML Technologies for Enhancing Security in Advanced Database Management Systems
Abstract: The integration of extensible markup language (XML) technologies into advanced database management systems (DBMS) has revolutionized data storage, retrieval, and security paradigms. This comprehensive review examines the critical role of XML-based security mechanisms in protecting sensitive data in contemporary database environments. This study explores various XML security technologies, including XML encryption, XML digital signatures, XML access control models, and XML firewalls, and analyzes their implementation strategies and effectiveness in mitigating …
Published in Journal of Advanced Database Management & Systems · Vol. 13, Issue 1, 2026 · pp. 29–38 Read article
-
Modelling of DFIG-based Wind Energy Conversion System
Abstract: AbstractToday wind energy plays important role in the competitive wind market. In this paper, we study the performance of the overall doubly-fed induction generator (DFIG) system under different conditions. The DFIG technology has proven to be an efficient and cost-effective solution for variable speed wind turbines. This system allows a variable speed operation over a huge range. In this system, rotor windings connected to grid through a bidirectional back-to-back IGBT-based …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 10, Issue 3, 2019 · pp. 59–64 Read article
-
A PWM Based Series Compensator for Power System Performance Enhancement
Abstract: Enhancement of power system stability through a relatively new FACTS device named pulse width modulated series compensator (PWMSC) in the transmission line has been investigated in this article. The three-phase PWMSC is realized with a simple pulse width modulated (PWM) AC link converter consisting of four force-commutated switches and a three-phase diode bridge. The PWMSC is modeled as a continuously controllable series capacitive reactance in the transmission line of a …
Published in Journal of Power Electronics and Power Systems · Vol. 6, Issue 1, 2016 · pp. 12–25 Read article
-
Mass Production Tools and Process Readiness for Uniform Parts—Injection Molding Application
Abstract: A mass production always aims to produce uniform performing products. Production tools such as pressing dies, casting dies and injection moulds, play a significant role by producing uniform parts for achieving final products. Tool complexity increases when multiple cavities are present. These tools pass through several stages of quality maturation, before starting production, where the tool capability for part uniformity can be assessed, corrected and aligned to mass production variables. …
Published in Journal of Polymer & Composites · Vol. 5, Issue 3, 2017 · pp. 30–40 Read article