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25 articles for “High Voltage Lines”
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Effect of the Conductor Sag on the Electromagnetic Transients in High Voltage Lines
Abstract: This paper addresses the effect of the conductor sag on the electromagnetic transients in high voltage lines. A time-domain model for their simulation is presented. It yields a set of simultaneous partial differential equations governing the voltage and current distributions in terms of both the time and location, as well as the corresponding initial and boundary conditions. An efficient Mathematica code is suggested for their numerical solution. The presented model …
Published in International Journal of Analog Integrated Circuits · Vol. 10, Issue 1, 2024 · pp. 8–16 Read article
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Switch-Mode MOSFETs for Class A Radio Frequency Amplification
Abstract: Vertical double diffused MOSFETs (“VDMOSFETs”) developed for switching power supplies were successfully used in high voltage, high frequency linear amplifier circuits. These high voltage power switches are surprisingly useful for linear RF power amplifiers and transmitters. In most of theirintended applications such as in switching power supplies or switched digital amplifiers, VDMOSFETs are pulsed by a high voltage and the pulsed output is heavily filtered. This avoids the linear region …
Published in International Journal of Microwave Engineering and Technology · Vol. 9, Issue 1, 2023 · pp. 52–64 Read article
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Transient Circuit Breaker Stresses in Networks Including Long Overhead Lines with Multiple Tower Spans
Abstract: Abstract: This paper proposes a new technique for analyzing the recovery voltages in circuit breakers of high voltage networks comprising strongly non-uniform lines. As a representative example, the model considers transmission lines comprising multiple cascade-connected tower spans the resulting information is crucial for assessing the proper operation and protection of those networks. The mathematical model is based on a system composed of simultaneous partial differential and algebraic equations. They formulate …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 11, Issue 1, 2025 Read article
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Approaches to Transmission Line Fault Detection Utilizing GPS: An Overview
Abstract: Transmission line protection is essential since 80–86% of power system issues are related to transmission lines. This study suggests a way to classify and identify different types of short circuit faults on transmission lines. There are several operating and fault conditions on high-voltage line transmission, such as L-L fault, single phase to earth fault, and double line fault. Proteus Professional 8 software simulates three fault scenarios: triple line fault, triple …
Published in International Journal of Microwave Engineering and Technology · Vol. 10, Issue 1, 2024 · pp. 33–42 Read article
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Load Frequency Control of Interconnected Power System by Conventional and Facts Devices
Abstract: The stability of power systems has been and continues to be of major concern in system operation. Modern electrical power systems have grown to a large complexity due to increasing interconnections, installation of large generating units, and extra-high voltage tie lines, etc. Transient stability is the ability of the power system to maintain synchronism when subjected to a severe transient disturbance, such as a fault on transmission facilities, sudden loss …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 4, Issue 2, 2018 · pp. 9–15 Read article
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Power Amplification based on Bulk-Drive
Abstract: ABSTRACTThis paper presents a fully integrated, low transmit-power and high-efficiency power amplifier (PA) for low-power transmitters such as wireless sensor networks (WSN). Power Amplification is a major problem in power system network all over the world, which is illegal and should be strictly prohibited, it is highly impossible due to the linear relation between Voltage and Current. Power amplification can be defined as the amplification of the electrical power without …
Published in International Journal of Microwave Engineering and Technology · Vol. 5, Issue 2, 2019 · pp. 21–29 Read article
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Applications of Trans-Conductance Amplifier in CMOS
Abstract: Abstract: An output voltage proportionate to an input current is produced by the operating trans conductance amplifier. In this regard, it is equivalent to the fundamental purpose of the solid-state devices that make it possible. The operational transconductance amplifier (OTA) is a very adaptable and essential part of contemporary analog and mixed-signal electronic circuits because it produces an output voltage proportionate to an input current. With the extra advantage of …
Published in International Journal of Analog Integrated Circuits · Vol. 11, Issue 2, 2025 · pp. 1–6 Read article
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A Overview on Reimagining MOSFET as Precision Thermal Sensor
Abstract: In the landscape of modern microelectronics, the transition from discrete sensing components to fully integrated silicon solutions have become a necessity for the advancement of the Internet of Things (IoT) and high-performance computing. This design explores the utilization of the MOSFET as a primary temperature-sensing transducer, leveraging its inherent thermal sensitivity rather than treating heat as a parasitic interference. By operating the MOSFET in the subthreshold (weak inversion) or saturation …
Published in International Journal of Analog Integrated Circuits · Vol. 12, Issue 1, 2026 · pp. 8–13 Read article
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Controller for Higher Order DC-DC Converter
Abstract: ABSTRACT Conventional boost converter is having two energy storage elements (one capacitor and one inductor). So, it is usually called as second order boost converter. It operates under two modes. In the first switch is on and the diode is off due to which inductor current rises linearly. The rate of inductor current will be in the ratio of input voltage to the inductance. Diode blocks the capacitor from being …
Published in International Journal of Digital Communication and Analog Signals · Vol. 5, Issue 1, 2019 · pp. 19–23 Read article
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Power Quality Intensification in Power Distribution System by Fast Acting DSTATCOM with Y/∆ and T-Connected Transformer
Abstract: Mostly all domestic and industrial installation uses 3- section 4-wire distribution system, however just about appliances square measure single phased which can produce unbalance within the offer system conjointly typical masses like TV, personal computers, movable chargers, Air conditioners etc. uses power electronic converters and attracts non-sinusoidal currents, these 2 things could cause high neutral current and build harmonics within the offer system. it should cause wiring failures, rising of …
Published in International Journal of Electrical Power System and Technology · Vol. 3, Issue 1, 2017 · pp. 34–47 Read article
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T-π, π-T Network Conversion for Three Identical Impedances and Equivalent Thevenin Networks Using Pspice Software
Abstract: Conversion methods of T-π (star-delta) π-T for impedances circuits, the behavioural modeling of Pspice simulation program is used to obtain equivalent circuits for two types of passive equivalents consisting of three impedance/resistance in two configurations using LAPLACE option of analog behavioural modelling. The conversions are verified for two types of circuits by obtaining AC values of voltages and currents at various nodes and branches using Pspice computer simulations. Two port …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 9, Issue 1, 2023 · pp. 8–25 Read article
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Determination of Lightning Arrester Value to 11/0.415 KV Distribution Substation Transformer on Unprotected Overhead Lines
Abstract: Lightning is among the major causes of outages in distribution networks. Over-voltagesarising from lightning strokes disrupt electricity supply by causing damages to transformersand other sensitive equipment in the network. Transformers are a critical part of everydistribution network and serve the purpose of stepping down electrical energy to levelssuitable for consumption by the end users. Adequate protection of transformers and otherdistribution equipment against lightning is a proactive measure to achieve high …
Published in International Journal of Electrical Power System and Technology · Vol. 6, Issue 1, 2020 · pp. 18–28 Read article
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Closed Loop Response of Higher Order DC-DC Converter
Abstract: ABSTRACT Converter circuits which are used in power electronic systems for changing the dc voltage from one level to the other. Switching devices are utilized for processing energy from input to output. They have come across many types, some of them are employed for increasing the output voltage and some are utilized for decreasing the output voltage and some of them are applied for performing both the operations within the …
Published in International Journal of Digital Communication and Analog Signals · Vol. 5, Issue 1, 2019 · pp. 24–28 Read article
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Silicone Coating on Porcelain Insulator
Abstract: Dubai Electricity and Water Authority (DEWA) utilized porcelain insulators in the transmission overhead line system. These insulators reputed to be the best insulators with regard to the design and durability. In spite of satisfactory performance, porcelain insulators have disadvantages such as regular washing and cleaning. Because of the coastal location and industrial pollution of the overhead lines, frequent washing of porcelain insulators is required to ensure interruption free and reliable …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 6, Issue 2, 2020 · pp. 31–37 Read article
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Modelling of Distance Relays and Impact of TCSC on the Protection of Long Distance Transmission Lines
Abstract: Power system protection is one of the most important and exciting topics, which has been attracting the attention of both academic institutions and utilities ever since the power systems came into being. For the proper operation of the power system, an effective, efficient and reliable protection scheme is desirable. The power system components, which include synchronous machines, bus bars, transformers, transmission lines, distribution systems consisting of complex as well as …
Published in International Journal of Electrical Power System and Technology · Vol. 4, Issue 1, 2018 · pp. 1–15 Read article
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Low Power, High Reliability: A Survey of 10T SRAM Cells for Reduced Stand by Power and Enhanced Noise Resilience
Abstract: With a focus on maximising power efficiency and attaining good read stability and write-ability, the project presents a low standby power 10T (LP10T) SRAM cell. The Schmitt-trigger inverter and the double-length pull-up transistor are combined with a regular inverter and stacked transistor to form a robust cross-coupled structure used in the LP10T SRAM cell. One of the key advantages of the LP10T SRAM cell is that it separates the read …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 9, Issue 1, 2023 · pp. 34–56 Read article
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Analysis of Reactive Power Compensation During Fault Conditions in Power System Using Simulink Model of SVC FACTS Device
Abstract: Flexible alternating current transmission system (FACTS) devices are capable of controlling the active and reactive power flows in a transmission line by controlling its series and shunt parameters. This work presents a review of comparison of different FACTS controllers in the power system for stability enhancement. The focus of this research is simulation of single-phase TCR (thyristor-controlled reactor)/TSC (thyristor switch capacitor) static VAR compensator (SVC) in MATLAB/SIMULINK to solve voltage …
Published in International Journal of Electrical Power System and Technology · Vol. 5, Issue 2, 2019 · pp. 1–12 Read article
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Algorithms Used for D-STATCOM to Achieve Compensation Current Detection
Abstract: Now a day’s power electronic based equipments are used in industrial and domestic purpose. Passive filter has been used traditionally for mitigating the distortion due to harmonic current in industrial power systems. But they have many drawbacks such as resonance problem, dependency of their performance on the system impedance etc. To overcome of such problem active power filters is introduced. It has no such drawbacks like passive filter. They inject …
Published in International Journal of Analog Integrated Circuits · Vol. 3, Issue 2, 2017 · pp. 7–19 Read article
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Operational-Amplifier-Based Realization of a 1-BitArithmetic Logic Unit: Design, Implementation, and Experimental Validation
Abstract: This work presents the design, construction, and experimental evaluation of a 1-bit Arithmetic Logic Unit (ALU) implemented entirely with operational amplifiers (op-amps), using only LM324 devices, passive components, and a dual-polarity ±12 V supply on a breadboard prototype. The ALU per- forms eight fundamental arithmetic and logic operations, addition, subtraction, AND, OR, NOT, NAND, NOR, and XOR, by combining op-amp comparator-mode logic gates with op-amp-based summing and difference amplifiers for …
Published in International Journal of Analog Integrated Circuits · Vol. 12, Issue 2, 2026 Read article
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IoT-Based Fault Detection in Distribution Lines
Abstract: Quickly detecting and pinpointing failures in electrical distribution lines are important for shortening the duration of service interruption, reducing maintenance costs and increasing safety. In this work, we propose a realistic architecture for an Internet-of-Things (IoT)-enabled fault detection system designed for distribution networks. In order to continually assess electrical characteristics including voltage, current, frequency, temperature, and line status, the suggested architecture combines inexpensive, dispersed sensor nodes placed along feeders and …
Published in International Journal of Electrical Power System and Technology · Vol. 12, Issue 1, 2026 · pp. 1–6 Read article