Design of a Protection System for Distributed Energy Sources in Distribution Grids
Published by 1. Róbert Štefko1, 2. Michal Kolcun1, 3. Marek Bobček1, 4. Damian Mazur2 , 5. Bogdan Kwiatkowski2, Technical University of Košice (1), Rzeszow University of Technology (2) ORCID: 1. 0000-0002-2477-4559, 2. 0000-0002-8041-9076, 3. 0009-0004-1912-211X; 4. 0000-0002-3247-5903, 5. 0000-0001-5287-2191 Abstract. The continuous rise in electricity consumption and the integration of renewable energy sources into distribution grids are gradually posing challenges to conventional protection systems. This trend significantly impacts traditional centralized methods of electricity generation, shifting towards local production and consumption and moving closer to emerging microgrids. This aspect was specifically considered during the development of the current power system we…
Keep readingData Center Commissioning Case Study
Published by Dranetz Technologies, Inc. Website: Dranetz.com Most high reliability facilities have a significant investment in UPS systems, generators and other mitigation devices in order to prevent electrical supply problems from impacting their business. However, these mitigation devices and related equipment are complex electro-mechanical systems that are themselves susceptible to failure and often do not provide any alarms or notifications when not functioning up to manufacturers specifications. That’s where continuous power monitoring comes in. Power Quality monitoring systems continually evaluate the health of the electrical supply at key locations within a facility including the utility supply, generators, UPS input and outputs and…
Keep readingOvervoltage on the High and Low Side Electrical Network Voltage 35 kV When Appearing and Disconnecting Short Circuits of Various Forms at Its High Voltage Part
Published by Nahid MUFIDZADA1, Gulgaz ISMAYILOVA2, Azerbaijan State Oil and Industry University ORCID: 1. 0000-0003-4063-2128, 2. 0000-0003-0063-2020 Abstract. Overvoltage is explored on the 35, 10 and 6 kV sides of the electrical network where various characters short circuit occur on its highvoltage part. It has been revealed that the overvoltage which occurs during a short circuit has the highest values if the short circuit is single-phase, as expected. However, disconnecting of all types of short circuits results in higher, overvoltage because the network operates with an isolated neutral and a short circuit. Even when a short circuit occurs on the…
Keep readingPower Quality & Energy Monitoring in Controlled Environment Agriculture: A New Jersey, USA Case Study
Published by Dranetz Technologies, Inc., Technical Documents – Application Note SUMMARY Controlled environment agriculture (CEA) relies on advanced technologies such as climate control systems, artificial lighting, and hydroponic or aeroponic growing systems. These systems, in turn, require stable, clean power. This Application Note outlines how a New Jersey-based indoor farming facility addressed persistent HVAC and VFD failures by installing a Camille Bauer PQ5000 permanent power quality and energy meter along with Dranetz master monitoring station. The meter and station setup provided insight into utility feed conditions, helped diagnose internal power events, and offered actionable data to prevent crop loss. Indoor Cultivation Requires…
Keep readingA Hybrid Approach for Enhancing Grid Restoration
Published by Minaxi1, Sanju Saini2, Garima Tiwari3, Deenbandhu Chhotu Ram University of Science and Technology, Murthal ORCID: 1. 0000-0003-4172-725X; 2. 0000-0003-1390-4861; 3. 0000-0002-3004-0375 Abstract. Blackout restoration is crucial to energy security and infrastructure resilience. Black-start procedures must be used to restore a power grid methodically. Grid recovery requires selecting the correct unit black-start optimization methods. Each Dijkstra shortest path approach determines a unit’s optimum recovery route after a large power loss. A full indication includes unit capacity, climbing rate, beginning power, recovery time, and route recovery capacitance. An exhaustive index. This index facilitates unit startup. We end with a unit…
Keep readingA New Approach for Load shedding Scheme
Published by Houria SMAIL1, Yassine BENSAFIA2, PaElectrical Engineering Department, Faculty of Sciences and Applied sciences, University of Bouira, 10000 – Algeria (1), PaElectrical Engineering Department, Faculty of Sciences and Applied sciences, University of Bouira, 10000 – Algeria (2), ORCID: 1. 0000-0001-8474-2009; 2. 0000-0003-1760-3636 Abstract. Depending on the power system condition in terms of operating reserves, and equipment availability, the severity of the disturbance may cause parts of the power system to be islanded, or to lose synchronism and enter a complete blackout. The aim of this paper is to design an automatic under frequency load shedding scheme which can be…
Keep readingAnalysis of Electrical Generators for Wind Electric Installations
Published by Aliashraf BAKHTIYAROV1, Gulshan ABDULLAYEVA2, Hamid PIRIYEV3, Azerbaijan State Oil and Industry University ORCID: 2. 0000-0003-0168-9623; 3. 0009-0000-2992-6358 Abstract. In today’s world, when the role of renewable energy sources is becoming increasingly important in the context of combating climate change and reducing dependence on fossil fuels, wind energy occupies a leading position. Wind turbines are becoming an increasingly common and sought-after source of clean energy, and the generator, as a key component of these systems, is becoming critical. Selecting the right generator for a wind installation is a complex process that requires careful analysis and evaluation of many factors.…
Keep readingA Solution to Renewable Energy Source Integration Challenges: Integrating Electric Vehicles into Distribution Networks
Published by Jalal Ibrahimov1, Tural Aliyev2, Ilkin Marufov3, Nijat Mammadov4, Azerbaijan State Oil and Industry University ORCID: 3. 0000-0002-3143-0113; 4. 0000-0001-6555-3632 Abstract. The widespread use of electric automobiles will lead to significant changes in instantaneous consumption values and the mechanisms that govern this consumption. Electricity demand will increase sharply and there will be fluctuations in the networks. The only way to cope with this problem is to switch to smart networks. This article examines and economically analyses the method of switching from a vehicle to a network, which is considered to be used to solve the problem of fluctuations caused…
Keep readingAssessment of the Danger of using Ultraviolet Lamps in Electrical Systems
Published by 1. Anatolii SEMENOV1, 2. Stanislav POPOV1, 3. Serhii YAKHIN1, 4. Bauyrzhan YELEUSSINOV2, 5.Tamara SAKHNO1, Poltava State Agrarian University (1), Branch of JSC «NCPD Orleu» Institute of professional development in Kyzylorga region (2) ORCID: 1. 0000-0003-3184-6925; 2. 0000-0003-2381-152X; 3. 0000-0002-0042-0844; 4. 0009-0005-0552-6794; 5. 0000-0001-7049-4657 Abstract. To determine the photobiological safety of UV lamps, the following measurements were carried out: spectral irradiance, total actinic irradiance in the wavelength range of 200-400 nm, and irradiance in the UVA range (320-400 nm). These parameters were measured using the optical radiation system OST-300. The photobiological safety of LUF 40-1, LE 15 lamps and…
Keep readingInternational Standards for Power Quality Measurement Systems
Published by P Axelberg, Unipower AB, Sweden & M H. J. Bollen, Chalmers University of Technology, Sweden I. INTRODUCTION During the last decade, there has been an increasing focus on power quality (PQ). The interest and demand for quality assurance of electrical power has several fundamental causes. First of all, electrical power can be considered a product for which assured quality offers incentives to both buyer and seller. Secondly, large amounts can be saved by permanently keeping track of the quality of power from the electrical grid or network. Based on the analysis from the measurements, a cost effective maintenance…
Keep readingImproving Energy Output and Efficiency of PV Installations using Bifacial Panels in Public Facilities
Published by 1. Jacek KUSZNIER, 2. Marcin SULKOWSKI, 3. Gabriela Druć, Bialystok University of Technology, Faculty of Electrical Engineering ORCID: 1. 0000-0001-8436-5717; 2. 0000-0002-3079-314X Abstract. The issue of improving the energy efficiency of photovoltaic installations is very important due to the limited location options in public facilities. Therefore, this paper presents the possibilities of improving the efficiency of photovoltaic installations in such facilities using bifacial PV panels. An assessment of the energy yields and installation efficiency depending on the roofing used is made, together with an economic analysis of the effects of bifacial panels. Streszczenie. Zagadnienie poprawy efektywności energetycznej w…
Keep readingThermodynamic Modelling of Waste to Energy Power Plant: A Case Study in Makassar City, Indonesia
Published by 1.Nur HAMZAH, 2.Suryanto SURYANTO, 3.Muhammad ANSHAR, 4.Firman FIRMAN, 5. Muhammad Ruswandi DJALAL, 6. Muhammad Alif AL AFGAN. State Polytechnic of Ujung Pandang ORCID: 1. 0000-0002-7114-2247 Abstract. Waste is a major problem in big cities in Indonesia, one of which is Makassar City. Every year the amount of waste generated by the residents of Makassar City continues to increase, but this is not proportional to the capacity of the landfill. Therefore, researchers want to design a waste-to-energy power plant system in Makassar City or other words apply the waste-to-energy concept. The waste-to-energy concept aims to process waste into energy…
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