Published by Samira KHANAHMEDOVA, Azerbaijan State Oil and Industry UniversityORCID: 0000-0001-8862-1570 Abstract. The article discusses ways to reduce losses to increase efficiency in electric machines. The amount of energy loss is determined by the efficiency coefficient. The issues of changing the size of an electric machine under electromagnetic loads with a constant power source andContinue reading “Some Issues of Increasing the Efficiency of Electric Machines”
Tag Archives: Power Quality
Damaged X-ray Equipment at Major Health Care Center
Published by Dranetz Technologies, Inc. Website: Dranetz.com Severe power quality problems damaged X-ray equipment, costing $100,000 in one instance. The source of the problem was the switch over from utility to generator power, during regular testing and emergency situations. Figure 1 (below) identified the cause of the problem, an out-of-phase transfer, captured by On Power with aContinue reading “Damaged X-ray Equipment at Major Health Care Center”
PQ Terms & Definitions
Published by Dranetz Technologies, Inc. Website: Dranetz.com PU (Per Unit) Explained PU stands for Per Unit. It is a term that electric utility engineers frequently use, and it was incorporated into IEEE 1159. PU is the percentage formed by dividing the actual voltage by the nominal. For example, a sag to 0.8 pu on a 480V circuitContinue reading “PQ Terms & Definitions”
Modern Methods Of Evaluating the Technical Condition of Power Transformers
Published by Tural Aliyev1, Aydin Aliyev2,Azerbaijan State Oil and İndustry University, Baku, Azerbaijan ORCID: 1. 0000-0003-0751-3952, 2. 0000-0002-1631-0543 Abstract. This article aims to shed light on the critical aspects of power transformer assessment and proposes avenues for improvement in current methodologies, emphasizing the need for a more comprehensive and integrated approach to ensure the reliabilityContinue reading “Modern Methods Of Evaluating the Technical Condition of Power Transformers”
Efficient High Voltage Gain Simplified DC-DC Converter for Enhanced Solar Power Harvesting
Published by Shanmugavadivu Natarajan, Department of Electrical and Electronics Engineering, Sri Venkateswara College of Engineering, Sriperumbudur, 602117, India Abstract. This study introduces a novel transformerless high voltage gain DC-DC converter for solar power. It combines a two-inductor boost converter, voltage multiplier, and switched capacitor cells, achieving a remarkable high voltage gain with 98.24% efficiency. AContinue reading “Efficient High Voltage Gain Simplified DC-DC Converter for Enhanced Solar Power Harvesting”
Prognosis of Insulation Deterioration in Induction Motors Winding Subject to Voltage Fluctuations
Published by 1. Ilham Bouaissi1, 2. Ali Rezig1, 3. Said Touati2, L2EI Laboratory, University Mohammed Seddik Benyahia, Ouled Aissa. Bp 98, Jijel, 18000, Algeria (1). Nuclear research center, Birine, Ain Oussera. Bp 180, Djelfa, 17200 Algeria (2) ORCID: 1. 0000-0001-5981-6918 Abstract. One of the problems with induction motors, say the experts, is voltage. Insulation deteriorationContinue reading “Prognosis of Insulation Deterioration in Induction Motors Winding Subject to Voltage Fluctuations”
Power Flow Analysis of Distributed Generation and Distributed Storage (DGDC) in DC Microgrid Using Newton Raphson Method
Published by Machmud Effendy1, Dandy Dwi Saputra1,Fourys Yudo Setiawan Paisey2,Department of Electrical Engineering,University of Muhammadiyah Malang, Indonesia (1)Department of Electrical Engineering, University of Papua Manokwari, Indonesia (2) Abstract. Centralized generation centralized storage architecture (CGCSA) and distributed generation distributed storage architecture (DGDSA) are two operation of the proposed scheme, both architectures are evaluated at different distributionContinue reading “Power Flow Analysis of Distributed Generation and Distributed Storage (DGDC) in DC Microgrid Using Newton Raphson Method”
Residual Current Devices in Electric Vehicles Charging Installations
Published by Stanislaw CZAPP, Gdańsk University of Technology, ORCID: 0000-0002-1341-8276 Abstract. The main requirements of national regulations and international standards regarding protection against electric shock in electric vehicle charging installations are presented. The principles of using residual current devices (RCDs) in such installations are discussed. It is pointed out that RCDs are mandatory equipment forContinue reading “Residual Current Devices in Electric Vehicles Charging Installations”
Battery Energy Storage System for Large Scale Penetration of Renewable Energy Sources
Published by Ruchika, D.K. Jain, DCRUST, Murthal, Haryana Abstract. Battery energy storage system (BESS) plays a dominant role in large scale penetration of renewable energy sources into the grid. They help in a better match between the demand- supply during standalone mode and the grid connected mode. In this paper, the authors proposed a newContinue reading “Battery Energy Storage System for Large Scale Penetration of Renewable Energy Sources”
Problems of Designing Electric Vehicle Charging Stations
Published by Marta BĄTKIEWICZ-PANTUŁA, Wrocław University of Science and TechnologyORCID: 0000-0002-1628-1818; Abstract. The article presents the issues of designing electric vehicle charging stations. The general requirements that a vehicle charging station should meet are presented. The article focuses on the electric part of the vehicle charging station. Attention was also focused on the safety rulesContinue reading “Problems of Designing Electric Vehicle Charging Stations”
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