Published by Ryan Hsu, Bright Toward Industrial Co., Ltd., EE Power – Industry Article: Insulation Failure Detection in EV Batteries, May 15, 2023. One of the issues with electric vehicle batteries is insulation failure. A proven approach to detecting and correcting this failure lies in ground-fault detection. However, as higher voltages become increasingly common in electricContinue reading “Insulation Failure Detection in EV Batteries”
Tag Archives: Fault Location
Single Line to Ground-Fault Detection for Unit Generator-Transformer based on Wavelet Transform and Neutral Networks
Published by Ahmad Rizal SULTAN1, Mohd Wazir bin MUSTAFA2, Makmur SAINI3, Ahmad GAFFAR41,3,4 Politeknik Negeri Ujung Pandang, South Sulawesi-Indonesia2Universiti Teknologi Malaysia, Faculty of Electrical Engineering, Johor-Malaysia Abstract. The aim of this paper is to detect the single line to ground fault on the unit generator- transformer. A new ground fault detection scheme based on theContinue reading “Single Line to Ground-Fault Detection for Unit Generator-Transformer based on Wavelet Transform and Neutral Networks”
Factors Affecting the Formation of Damage to Electronic Components and Systems in Electric Vehicles, and Actions to Reduce their Significance
Published by Andrzej ERD1, Józef STOKLOSA2, University of Technology and Humanities In Radom(1),University of Economics and Innovation in Lublin(2) Abstract. The purpose of the publication is to indicate activities aimed at improving the reliability of electric vehicles. The starting point is the analysis of the most common failures of both assemblies and their components. OnContinue reading “Factors Affecting the Formation of Damage to Electronic Components and Systems in Electric Vehicles, and Actions to Reduce their Significance”
A Current Spectrum-Based Algorithm for Fault Detection of Electrical Machines Using Low-Power Data Acquisition Devices
Published by Bilal Asad 1,2,* , Hadi Ashraf Raja 2 , Toomas Vaimann 2 , Ants Kallaste 2 , Raimondas Pomarnacki 3 and Van Khang Hyunh 4 Abstract: An algorithm to improve the resolution of the frequency spectrum by detecting the number of complete cycles, removing any fractional components of the signal, signal discontinuities, andContinue reading “A Current Spectrum-Based Algorithm for Fault Detection of Electrical Machines Using Low-Power Data Acquisition Devices”
Stator Earth Fault in 200MW Generator – A Case Study
Published by Mr. V.Veerapandi, Sr.Manager(ser)/SAS, Email:vpandi@bhelpswr.co.in Introduction One of 200 MW old machine was experienced stator earth fault and the unit was tripped when the load was around 154 MW. The stator earth fault was attended on emergency basis and the unit was brought back with minimum possible time. This article covers observations, analysis ofContinue reading “Stator Earth Fault in 200MW Generator – A Case Study”
Case Study on Fault Analysis Using PMU
Published by Prithwish Mukhopadhyay, General Manager, prithwish.mukhopadhyay@posoco.in,Rajkumar Anumasula, Senior Engineer, rajkumar@posoco.in, Abhimanyu Gartia, Deputy General Manager, agartia@posoco.in, Chandan Kumar, Engineer, chandan.wrldc@posoco.in, Pushpa Seshadri, Chief Manager, pushpa_seshadri@posoco.in, Sunil Patil, Engineer, skpatil@posoco.in , WRLDC, Mumbai, India Abstract — Synchrophasors are used extensively in Indian Grid to detect and analyze faults occurring in the system. This paper majorlyContinue reading “Case Study on Fault Analysis Using PMU”
Faults and Defects in Power Transformers – A Case Study
Published by Cacilda de Jesus Ribeiro1; André Pereira Marques2,3; Cláudio Henrique Bezerra Azevedo2; Denise Cascão PoliSouza1; Bernardo Pinheiro Alvarenga1; Reinaldo Gonçalves Nogueira1 1School of Electrical and Computer Engineering, Federal University of Goiás, Goiânia, GO, Brazil,2CELG Distribuição, Goiânia, GO, Brazil,3Federal Institute of Education, Science and Technology of Goiás, Goiânia, GO, Brazil Abstract – Power transformers playContinue reading “Faults and Defects in Power Transformers – A Case Study”
Research of the Fault Location Method of Distribution Network
Published by Yan LI1, Yu GUO2, Xiping WANG1,Electrical engineering department Hebei Engineering and Technical College (1), Langfang Yongqing supply Co.,Ltd. (2) Abstract. The rough set theory is used to realize the automatic fault location method of the rural power distribution network. The decision table of the distribution network fault location is based on the faultContinue reading “Research of the Fault Location Method of Distribution Network”
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