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( 1 ) Program of the course "DESIGN of SWITCHGEAR, SWITCHBOARDS, BUSDUCTS & SUBSTATIONS with software SwitchgearDesign"

›› ( 1 ) In this video are shown the topics of the complete course whose parts can be obtained, separately, in the list below. The training focuses on professionals working as manufacturers of equipm [....]
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( 03 ) Introducing the Use of Software SwitchgearDesign

›› ( 03 ) In this video you will understand the main applications and capabilities of SwitchgearDesign software. The main screens of the software are shown as well as applications, input and output vari [....]
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( 04 ) (SOFTWARE) SwitchgearDesign COMPLETE

›› (04) VERSION WITH ALL THE 5 TYPES OF CALCULATIONS • Temperature rise • Electrodynamic forces • Magnetic fields • Electric Fields • Internal arc and overpressure Here you will find the installe [....]
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( 05 ) Specification of voltages and currents in new substations

›› (5) Here are explained the fundamentals and applications of load flow studies and short circuit studies. When planning a new substation load flow studies are prepared to define the values of the r [....]
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( 07a ) Concepts of temperature rise and electrical contacts

›› (07a) Concepts are presented , based on the IEC 60943 standard, for calculating contact resistances, loss of life, thermal losses by convection, radiation and conduction concepts appear, The basics [....]
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( 07b ) Simulations of temperature rise tests

›› ( 07b ) Step by step description on how to use SwitchgearDesign to design equipment using the simulation of temperature rise tests on panels, AIS, GIS, busbar systems and parts of substations. In [....]
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( 07c ) Simulation of loading cycles

›› ( 07c ) Extension of simulations to load cycles of different current values and durations, such as occurs at peak and off-peak hours.. These explanations do not include the software, which is avail [....]
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( 8 a ) Concepts of calculation of electrodynamic stress and forces during short-circuit

›› ( 8 a ) Calculation concepts for electrodynamic forces and stresses based on IEC 61117 and IEC TR 60865-2 60865-1 and IEC documents: Short-circuit currents - Calculation of effects. It includes te [....]
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( 8 b ) Simulations of short time current and crest tests ( electrodynamic forces and stresses)

›› (8b) Step by step description on how to use SwitchgearDesign to design equipment using the simulation of short time current and crest tests on panels, AIS, GIS, busbar systems and parts of substati [....]
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( 9 a ) Concepts for internal arc tests and corresponding l overpressures

›› (9 a) Here are given the concepts for calculation of the overpressure and other effects of the internal arc based on brochure Cigré 602/2014 ( Sergio Feitoza is one of the co-authors) , IEC 62271-20 [....]
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( 9 b ) Simulations of internal arc tests

›› ( 09b ) Step by step description on how to use SwitchgearDesign to design equipment using the simulation of internal arc tests on panels, AIS, GIS, busbar systems and parts of substations. Includ [....]
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( 10 a ) Concepts about magnetic fields and their effects

›› ( 10 a ) The electromagnetic fields occurring in substations due to the high currents and high voltages produce different effects on people and objects nearby. High levels of permanent magnetic or [....]
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( 10 b ) Mapping of magnetic fields

›› ( 10 b ) This text is based on the Technical Report Cognitor 76 / 2016 MAGNETIC & ELECTRIC FIELDS IN SUBSTATIONS & NEIGHBORHOOD (Mapping for health legislation and to solve EMC problems). It is pr [....]
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( 11 a ) Overvoltages, insulation coordination and safety distances

›› ( 11 a ) Concepts in which are based the technical standards for dielectric tests (applied voltage, impulse). It includes safety distances for discharges, magnetic fields and fires and explosion [....]
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( 11 b ) Main dielectric tests

›› ( 11 b ) Main dielectric tests Fundamentals of the main dielectric tests carried out in high voltage laboratories (applied voltage, impulse, corona, partial discharges, RIV ..)  [....]
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( 11 c ) Mapping of electric fields

›› ( 11c ) This text is based on the Technical Report Cognitor 76 / 2016 MAGNETIC & ELECTRIC FIELDS IN SUBSTATIONS & NEIGHBORHOOD (Mapping for health legislation and to solve EMC problems). It is pre [....]
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( 12 ) Breaking and making tests in circuit breakers, switches and fuses (TRV)

›› ( 12 ) Here are presented the fundamentals of the main switchgear and protection equipment as circuit breakers, switches and fuses. Some particularities of the technologies are described as well a [....]
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( 13 ) Power arc tests in insulators strings for transmission lines

›› ( 13 ) The repetitive occurrence of external power arcs in insulator strings at a certain point may lead to damage to the string and even falling down of the transmission line. Some high power tests [....]
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( 14 ) Technical specifications for the purchase of circuit breakers, disconnectors, surge arresters, transformers)

›› ( 14 ) The text discusses aspects of the specifications made by power utilities and large users of electricity. It is explained first, why the more efficient specification is just the technical sta [....]
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( 15 a ) Technical Standards for low voltage switchgear and controlgear (IEC 61439 and IEC TR 61641

›› ( 15 a ) Here we present some aspects of the IEC 61439 (Low-voltage switchgear and controlgear assemblies) and of IEC TR 61641 (low-voltage guide for testing under conditions of arcing due to int [....]
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( 15 b ) Technical Standards for medium voltage switchgear and controlgear (IEC 62271-200):

›› ( 15b ) Here we present some of the fundaments, opportunities and details of the IEC 62271-200 (medium voltage switchgear) This standard specifies requirements for medium voltage metal enclosed swi [....]
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( 15 c ) IEC 62271-307 for extension of the validity of medium voltage switchgear test reports (fundamentals)

›› ( 15 c ) Here we present the fundamentals of the new document IEC Technical Report TR 62271-307: High-voltage Switchgear and Controlgear – Part 307: Guidance for the extension of validity of type te [....]
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( 16 ) IEC 890 and IEC 62208: Enclosures for cubicles and switchboards (calculations and specification)

›› (16) In this document we explain how to do calculations of the temperatures of fluids inside enclosures filled with the typical components of switchgear (IEC 60890) and how to specify empty enclosu [....]
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( 17 ) Some case studies to understand the basics of ATP / ATPDRAW

›› ( 17 ) The software ATP / ATPDRAW (Alternative Transient Program)‏ is a free software originated from the EMTP for the calculation of voltages and currents transients. It is an excellent t [....]
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( 18 ) A "GUIDE" FOR THE USE OF CALCULATIONS AND SIMULATION OF LABORATORY TESTS

›› ( 18 ) The document: S. Feitoza, "GUIDELINES FOR THE USE OF SIMULATIONS AND CALCULATIONS TO REPLACE SOME TESTS SPECIFIED IN INTERNATIONAL STANDARDS -. COGNITOR GUIDE 2010” Is a proposal for the t [....]
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( 19 ) (SOFTWARE) DECIDIX for TECHNICAL ECONOMYCAL ASSESSMENT OF ENERGY PROJECTS (generation, transmission and distribution) WITH TRAINING

›› ( 19 ) The software Decidix is a tool developed to do feasibility studies for companies in the electrical sector. It is intended to be a tool to be used by people not skilled in financial mathemati [....]
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( 20 ) Fundaments of the design of high power and high voltage testing laboratories

›› ( 20 ) In this section, we describe some basic steps for the implementation of testing laboratories and what is necessary to assess when doing the initial feasibility study for the implementation o [....]
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( 21 ) Protection against explosions and fires in substations

›› ( 21 ) Details on Brazilian technical standards NBR 13231, NBR 8222, NBR 12232 and NBR 8674 NBR 13231 - Fire Protection in conventional electrical substations of transmission systems. Procedure; N [....]
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(22) One hour of consultancy work via videoconference with Sergio Costa Feitoza

›› (22) Sergio is the author of training and software. These consultancies are often used to ask or clarifying questions, to conduct studies of additional cases or for assistance in the development o [....]
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Currículo do autor e apresentador

›› Sergio Feitoza is an electrical engineer, M.Sc in Power Systems and has 30 years of experience in high power and high voltage testing laboratories (design, construction, operation as test engineer and [....]
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( 04f ) (SOFTWARE) SwitchgearDesign INTERNAL ARC

›› (04 f) VERSION with INTERNAL ARC AND SOBREPRESSURE CALCULATIONS Here you will find the installer and the instructions to install the software and the first steps to use the software SwitchgearDesig [....]
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