Recently, polyetherimide (PEI) polymer films have attracted increasing attention due to their excellent energy storage performance at high temperature. However, most research work has focused on improving the dielectric property and lacks investigation of the aging law and aging mechanism of dielectric films under the elevated temperature and high electric
Read MoreMuttaqin, L.F.; Asfani, D.A.; Negara, I.M.Y. Analysis of acceleration in aging insulation due to the effect of humidity and contaminant in induction motor loaded. In Proceedings of the 2017 International Seminar on Intelligent Technology and Its Applications (ISITIA), Surabaya, Indonesia, 28–29 August 2017; pp. 169–174.
Read MoreElectric vehicles (EVs) have been helping to alleviate the pressure of the world energy crisis. However, the insulation of EV driving motors usually suffers from the electrical stress caused by partial discharge (PD) during the operation. Aramid paper in the stator can reduce the incidence of electrical degradation. In this context, PD
Read MoreSpeed to market is key in the electrical motors industry, which is why we''ve developed an alternate insulation system evaluation method to help you beat out the competition. Our Short-Term Thermal Aging (STTA) Test for Motors is specifically designed to accelerate certification time to the UL 1004-x Series Rotating Electrical Machines Standard and help
Read MoreLithium-ion batteries are key energy storage technologies to promote the global clean energy process, particularly in power grids and electrified transportation. However, complex usage conditions and lack of precise measurement make it difficult for battery health estimation under field applications, especially for aging mode diagnosis. In
Read MoreModels for insulation aging under electrical and thermal multistress. P. Cygan, J. Laghari. Published 1 October 1990. Engineering, Materials Science. IEEE Transactions on Electrical Insulation. A review of the methods and models used in lifetime studies of solid insulators under single- and multiple-stress conditions is presented.
Read MoreUnderstanding battery aging in grid energy storage systems Volkan Kumtepeli 1and David A. Howey,* Lithium-ion (Li-ion) batteries are a key enabling technology for global clean energy goals and are increasingly used in mobility and to support the power grid
Read MoreFor this purpose, the accelerated thermal aging experiments were performed on XLPE insulation materials at 90 C, 120 C and 150 C with different durations of 240 h, 480 h and 720 h, respectively. The Fourier transform infrared spectrum (FTIR) characterization and differential scanning calorimeter (DSC) were tested to analyze the
Read MoreHigh voltage square impulses from converter can make stator insulation of inverter-fed motors damaged much earlier. There are many differences in insulation aging mechanism
Read MoreThe insulation is modeled as a hyperelastic material with a Neo-Hookean strain energy potential and the following initial shear modulus, μ 0, bulk modulus, K 0, and thermal properties: (2) μ 0-EPDM = 0.1 kg / mm 2, K
Read MoreEnergy storage is the capture of energy produced at one time for use at a later time [1] to reduce imbalances between energy demand and energy production. A device that stores energy is generally called an accumulator or battery. Energy comes in multiple forms including radiation, chemical, gravitational potential, electrical potential
Read MoreTypically, more-electric aircraft (MEA), even all-electric aircraft has been developed and delivered to decrease the greenhouse gas emission and increase the energy efficiency. The next generation of MEA will operate at high voltage to facilitate the transfer of significant levels of electrical power in an electrified aircraft.
Read MoreBreakdown resistance analysis of traction motor winding insulation under thermal ageing. October 2017. DOI: 10.1109/ECCE.2017.8096964. Conference: 2017 IEEE Energy
Read MoreTo this purpose, an electrical aging procedure is defined, and the effects produced on three tested motors are presented. Three different analysis methods are adopted with the aim of assessing the damage caused to an ac motor winding by such steep voltage waveforms and hence to evaluate the state of aging of the insulation system.
Read MoreThis paper reports the effect of voltage distortion and imbalance (VDI) on the thermal aging of the insulation of low-voltage induction motors. The study is based on a detailed thermal modeling of
Read MorePDs generate high-energy electron, ultraviolet rays, and high activity chemical groups, which would accelerate the insulation material aging [19, 20]. Reaching the lifetime, the failure of polymer nanocomposites would occur due to the fracture and degradation of the polymer chains [ 21 ].
Read MoreDOI: 10.1109/TIA.2019.2929013 Corpus ID: 199088066 Analysis and Detection of Electrical Aging Effects on High-Speed Motor Insulation @article{Leuzzi2019AnalysisAD, title={Analysis and Detection of Electrical Aging Effects on High-Speed Motor Insulation}, author={Riccardo Leuzzi and Vito Giuseppe Monopoli and Luca Rovere and Francesco
Read MoreThermal insulation is aspect in the optimization of thermal energy storage (TES) systems integrated inside buildings. • Properties, characteristics, and reference costs are presented for insulation materials suitable for
Read MoreAims and strategic objectives of the committee. Aging factors Technical Committee (TC) mainly focus on gathering knowledge on insulation aging and failure mechanisms, study and testing of insulation system aging of rotating machines, transformers, cables, insulators, and other HV equipment. Research of insulation material aging is also included.
Read MorePD based risk assessment of electric motors containing multiple insulation defects. • Evaluation of severity of insulation defects through PD characteristics parameters. • Classification of faults using K-mean clustering and cumulative energy function. • Estimation of
Read MoreLead-acid (LA) batteries. LA batteries are the most popular and oldest electrochemical energy storage device (invented in 1859). It is made up of two electrodes (a metallic sponge lead anode and a lead dioxide as a cathode, as shown in Fig. 34) immersed in an electrolyte made up of 37% sulphuric acid and 63% water.
Read MoreThis paper is looking at the potential effect on insulation aging of repetitive voltage transients, in the presence or absence of partial discharges, raising the point that
Read MoreSwitched Reluctance Motors (SRMs), Permanent Magnet Synchronous Motors (PMSMs), and induction motors may experience failures due to insulation-related breakdowns. The SRM rotor is of a non-salient nature and made of solid steel material. There are no windings on the rotor. However, the stator is composed of windings that are
Read MoreThe increase of electric vehicles (EVs), environmental concerns, energy preservation, battery selection, and characteristics have demonstrated the headway of EV development. It is known that the
Read MoreThermal stress is the main factor causing motor insulation deterioration, and the thermal aging mechanism of insulation materials is internal
Read MoreThyristor based, phase angle controlled, speed regulators are widely used for energy efficient control of single-phase induction motors. This leads to power saving but adversely affects the life
Read MoreCompared with lithium batteries, fuel cells, supercapacitors and other electrochemical energy storage The frequency domain energy of PD from motor insulation under is mainly distributed in the
Read MoreAn effective Electrical Insulation System (EIS) is a critical element in ensuring the safety and reliability of electrotechnical devices, including motors, transformers, generators and
Read MoreIt covers the aging of photovoltaic systems installed in different environments, including space, as well as the aging of the discharge present in the drive motors of electric vehicles. This book is suitable for researchers and students interested in green energy systems and can be used for teaching, research, and science popularization.
Read MoreIn this paper we present the results of a study over the aging and the estimating lifetime of a new insulation system for a DC motor. In order to achieve the lifetime experiments, a group of 7 motorettes (made under IEC 60216-1) have been subjected to accelerated thermal aging at T = 260 ° C (for 1000 hours), followed by their
Read MoreRegarding electrical machines insulation, the aging processes can vary depending on the various types of tests. In general, however, the aging processes (and
Read MoreThe use of the common mode current for stator winding insulation condition assessment has been extensively studied. Two main approaches have been followed. The first models the electric behavior of ground-wall insulation as an equivalent RC circuit; these methods have been successfully applied to high-voltage high-power
Read MoreHis research interests concern electrical insulation of renewable energy system. Chatchai Putson graduated from the Prince of Songkla University in 2000 with B.Sc. degree in physics and earned M.Sc. degree, also in physics, at Chulalongkorn University in 2004.
Read MoreThe basic requirements for the grid connection of the generator motor of the gravity energy storage system are: the phase sequence, frequency, amplitude, and phase of the voltage at the generator end and the grid end must be consistent. However, in actual working conditions, there will always be errors in the voltage indicators of the
Read MoreThe standalone photovoltaic-battery energy storage (PV-BES) microgrid has gained substantial interest recently due to its ability to provide uninterrupted power to consumers in remote areas.
Read MoreThis paper reviews various aspects of insulation aging in solids, including theoretical. and experimental studies describing the aging phenomenon, aging mechanisms, useful. measurement techniques
Read MoreAs the photovoltaic (PV) industry continues to evolve, advancements in energy storage motor insulation aging have become instrumental in optimizing the utilization of renewable energy sources. From innovative battery technologies to smart energy management systems, these solutions are transforming the way we store and distribute solar-generated electricity.
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