Published by Norberto ANGULO1, Antonio PULIDO1, Felipe DÍAZ1, Fabián DÉNIZ1, Expedito SÁNCHEZ1, Rafael SÁNCHEZ2, Universidad de Las Palmas de Gran Canaria (1), Mancomunidad del Sureste de Gran Canaria (2) Abstract. The main aim of this paper is to determine the photovoltaic capacity of Gran Canaria Island, part of the Canary Islands, an archipelago with highContinue reading “Roof Integrated Grid Connected PV Systems Capacity in Gran Canaria Island”
Category Archives: Case Studies
Temporary Overvoltage and Grounding Transformer Analysis
Published by Electrotek Concepts, Inc., PQSoft Case Study: Temporary Overvoltage and Grounding Transformer Analysis, Document ID: PQS1203, Date: January 25, 2012. Abstract: This case study presents the results for a wind plant temporary overvoltage (TOV) and grounding transformer transient analysis. The case study investigated the potential for excessive temporary overvoltages during single-phase faults on a 34.5Continue reading “Temporary Overvoltage and Grounding Transformer Analysis”
Diagram of Daily Consumption of Electricity, Houses Appliances, Distribution them into Categories by Importance of Electricity Supply
Published by Petr ZÁVADA1, Karel SOKANSKÝ1, VSB – Technical University of Ostrava (1) Abstract. Today, the development of power generation from renewable sources is an effort to maximize the share of total energy consumption. Big source of energy in solar and wind power plants are mostly connected to the distribution network and supply the energyContinue reading “Diagram of Daily Consumption of Electricity, Houses Appliances, Distribution them into Categories by Importance of Electricity Supply”
Lightning Transient Overvoltage Evaluation
Published by Electrotek Concepts, Inc., PQSoft Case Study: Lightning Transient Overvoltage Evaluation, Document ID: PQS1205, Date: January 26, 2012. Abstract: This case study presents a wind plant substation lightning transient overvoltage evaluation. A high-frequency transient model was created to simulate the lightning transients and resulting overvoltages and arrester energy duties. A high-frequency model was required toContinue reading “Lightning Transient Overvoltage Evaluation”
Voltage Magnification and Nuisance Tripping during Capacitor Bank Switching
Published by Electrotek Concepts, Inc., PQSoft Case Study: Voltage Magnification and Nuisance Tripping during Capacitor Bank Switching, Document ID: PQS0902, Date: October 15, 2009. Abstract: The application of utility capacitor banks has long been accepted as a necessary step in the efficient design of utility power systems. In addition, capacitor switching is generally considered a normalContinue reading “Voltage Magnification and Nuisance Tripping during Capacitor Bank Switching”
Overhead Line Fault Section Positioning System Based on Wireless Sensor Network
Published by Ai-hua Dong, Xinlin Geng, Yi Yang, Ying Su, Mengyao Li, Henan Polytechnic University Abstract. This paper introduces overhead line fault detection and location system as the core of industrial control computer. The combination of software and hardware, the methods of current rate of change and zero current detection are used, and so theContinue reading “Overhead Line Fault Section Positioning System Based on Wireless Sensor Network”
Voltage Harmonics Transfer through Medium Voltage Instrument Transformers
Published by Jarosław ŁUSZCZ, Politechnika Gdańska, Wydział Elektrotechniki I Automatyki Abstract. Voltage transformers are widely used in power quality monitoring systems in medium and high voltage grids. This paper presents accuracy problems related to voltage harmonics transfer through instrument transformers. A simplified lumped-parameters wideband circuit model of the voltage transformer is proposed and verified byContinue reading “Voltage Harmonics Transfer through Medium Voltage Instrument Transformers”
VCB Current Chopping Evaluation
Published by Electrotek Concepts, Inc., PQSoft Case Study: VCB Current Chopping Evaluation, Document ID: PQS1207, Date: June 1, 2012. Abstract: This case study presents a customer vacuum circuit breaker (VCB) current chopping transient overvoltage evaluation. A high-frequency transient model was created to simulate vacuum circuit breaker opening and closing and the resulting transient overvoltages and arresterContinue reading “VCB Current Chopping Evaluation”
Electric Shock Hazard Limitation in Water During Lightning Strike
Published by Jarosław WIATER, Białystok University of Technology Abstract: Swimming during a thunderstorm is one of the most dangerous things that can be done. Lightning regularly strikes water, and since water conducts electricity, a nearby lightning strike could kill or injure human being. This paper will present simulation results of scalar potential distribution in waterContinue reading “Electric Shock Hazard Limitation in Water During Lightning Strike”
Utility Capacitor Switching Trips Electronic Voltage Regulator
Published by Electrotek Concepts, Inc., PQSoft Case Study: Utility Capacitor Switching Trips Electronic Voltage Regulator, Document ID: PQS0301, Date: January 10, 2003. Abstract: The application of utility capacitor banks has long been accepted as a necessary step in the efficient design of utility power systems. Also, capacitor switching is generally considered a normal operation for aContinue reading “Utility Capacitor Switching Trips Electronic Voltage Regulator”
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