The overhead transmission line system is one of the methods transmitting electrical energy at a high voltage from point to another, especially over long distances. demand for increasing due increase in world population, evolution transport technology, and economic expansion, thereby resulting overloading (OHL) system. In building new infrastructure lines, several issues need be addressed. Thus, optimizing existing power by ampacity practical solution meet issues. During long-term operation,...

The use of computer-based automated approaches and improvements in lung sound recording techniques have made sound-based diagnostics even better devoid subjectivity errors. Using a computer to evaluate features more thoroughly with the analyzing changes behavior, measurements, suppressing presence noise contaminations, graphical representations are all possible by analysis. This paper starts discussion need for this research area, providing an overview field motivations behind it. Following...

Developing novel EV chargers is crucial for accelerating Electric Vehicle (EV) adoption, mitigating range anxiety, and fostering technological advancements that enhance charging efficiency grid integration. These address current challenges contribute to a more sustainable convenient future of electric mobility. This paper explores the performance dynamics solar-integrated system. It outlines simulation study on harnessing solar energy as primary Direct Current (DC) source. The approach...

Multi-level transformerless inverters are widely used in grid-tied PV systems since they characterized by higher efficiency and lower cost. In this context, new topologies, modulation, control schemes were presented to solve problems of a common-mode voltage leakage current. This work proposes five-level inverter with zero current ability reduce the harmonic output content for single-phase system. The neutral grid links common on which negative positive terminals DC-link connected via...

A new deep representation-based Maximum Power Point Tracking (MPPT) controller is proposed in this paper for accurate Control references calculation Photovoltaic (PV) based Micro Grid (MG) operation. The representation obtained by two-step estimation: Data dimension reduction and MPPT Tracker towards optimal computation. considered learning architecture targeted N number (large scale) of PV-based DGs, connected locally the distribution system (DC link extended to AC utility). collected data...

Carbon emissions from fossil fuels significantly contribute to global warming. To mitigate these emissions, Electric Vehicles (EVs) and renewable energy stored in Energy Storage Systems (ESS) have been introduced achieve net-zero carbon emissions. Various types of batteries, including Lithium-Ion (Li-Ion), Lead Acid (Pb-Acid), Nickel Cadmium (NiCd), are used EVs ESS meet the increasing demand. This article examines effect different battery profiles on performance batteries ESS. The paper...

It is difficult to consider factors such as wind speed, water flow velocity, and solar radiation when using the IEC 60287 standard calculate current-carrying capacity of shore power cables in port microgrids. Therefore, based on equivalent thermal circuit model heat balance equation, this research takes source cable used microgrids proposes a mathematical calculation method for Newton–Raphson method. The influence environmental temperature, compared analyzed simulation Shore exhibit higher...

Periodic preventive maintenance of power transformer should be conducted for its health monitoring and early fault detection. Transformer oil is a vital element where contents properties need to monitored during the service life transformer. This paper presents an optical spectroscopy measurement from 200 nm 3300 characterize oil, which were sampled main tanks 'on-load tap changer' transformers. The correlation characteristics in range 2120 2220 Dissolved Gas Analysis results Duval Triangle...

Partial discharge (PD) analysis is an important tool for assessing the lifespan of power equipment especially in cables and high voltage (HV) transformers. Different PD sources have different effects on condition performance insulation system. Therefore, ability to identify a great interest both system utilities manufacturers. Hence, experiment has been designed at Tony Davies High Voltage Laboratory, University Southampton access methodologies identification multiple within HV transformer...

Partial discharge (PD) analysis is widely adopted for assessing the condition of insulation systems within high voltage (HV) transformers. Different PD sources have different effects on HV In a typical field environment, multiple may occur in transformer simultaneously. Therefore, source classification very important to identify types defects causing discharges transformer. recent years, several techniques been proposed application analysis. This paper proposes automatic classify and...

Partial discharge (PD) analysis is one of the most important techniques to evaluate condition insulation systems within high voltage (HV) transformers. However, in typical field environments, measurements PD signals can be distorted by noise sources. This greatly reduces ability identify sources HV transformer windings. Therefore, de-noising methods are very important. In recent years, several reduction have been proposed for application analysis. The common types events that may occur...

In an electric power utility system, medium voltage underground cable joint condition assessment is a crucial part of the network for meeting today's asset management needs. The improperly installed joints are exposed to water due moist surroundings. Currently, it challenging detect ingress in field. Partial discharge diagnostic testing can locate with non-conductive defects. However, methods such as insulation resistance test and tangent delta provide bulk information on overall condition....

Modern high voltage (HV) insulation systems consist of multiple dielectric media - multi-source partial discharge (PD) data discrimination is required. The ability to accurately distinguish between the PD signals generated from different sources seen as a critical function future diagnostic systems. Two model were utilized in this investigation replicate void and surface discharges. proposed processing technique relies on assumption that pulses exhibit unique waveform characteristics....

Partial discharge (PD) measurements can evaluate integrity of transformers' condition insulation system. In high voltage (HV) power transformers, the winding system consists multiple dielectric media all which degrade and subsequently exhibit pre-breakdown behavior, ability to accurately separate between different PD signals generated from sources is seen as an important function diagnostic systems. This paper concerned with feasibility locating two types sources; surface void discharges...

This study proposes a technique that is based on the hypothesis distinct PD sources have unique waveform characteristics at point of measurement. Two different forms pulses are injected into model transformer winding points and by using wideband radio frequency current transformers (RFCTs), measurement data obtained positioning RFCTs neutral-to-earth bushing tap-point-to-earth. Mathematical morphology energy analysis ordering to identify clustering structure signal cross correlation methods...

In the realm of rotating machinery, inevitability wear and aging is a constant concern. Over time, materials components degrade, ultimately leading to risk failure. Yet, with diligent maintenance, many potential failures can be averted. To facilitate effective maintenance scheduling, plant operators rely on accurate machinery condition assessments. This paper introduces an innovative technique measurement system for monitoring Partial Discharge (PD) in machines, utilizing benefit Phase...

Urban areas have become the most rapidly developing in country. With a limited area for power transmission line, distribution line appears to be closely associated with installed corridor of overhead tower (OHTL). However, there may an effect lightning electromagnetic field (LEMF) value when strikes directly on which consequently generate induced voltage (LIV) line. Thus, comprehensive study is conducted observe peak LEMF lines close urban planning purposes. MATLAB used determine The results...

Although there have been numerous studies on visibility prediction, insignificant conducted to predict nominal current output based visibility. Therefore, this study focuses optimizing at Subang Airport by employing artificial intelligence and meteorological data. The research leverages daily data enhance prediction address aeronautical ground lighting issues emphasizing the runway edge light. methodology involves a three-step modeling approach with Bayesian optimization. First, Gaussian...