CALCULATION ESTIMATION OF OVERVOLTAGE ON INSULATION OF THE EQUIPMENT OF A SUBSTATION AT THE LIGHTNING STRIKE IN ITS LIGHTNING ARRESTER

• Видавець: National Technical University "Kharkiv Polytechnic Institute" and State Institution “Institute of Technical Problems of Magnetism of the National Academy of Sciences of Ukraine”
• Дата: 2019
• Автори: Nizhevskyi, I. V., Nizhevskyi, V. I.
• Формат: Стаття
• Мова: English; Ukrainian
• Опубліковано: National Technical University "Kharkiv Polytechnic Institute" and State Institution “Institute of Technical Problems of Magnetism of the National Academy of Sciences of Ukraine” 2019
• Теми: грозовые перенапряжения; подстанция; молниеотвод; вольт-секундная характеристика; гирлянда изоляторов; электрическое поле; воздушный промежуток; допустимое напряжение; корпус трансформатора; импульсная электрическая прочность; 621.316.93; lightning overvoltage; substation; lightning arrester; volt-second characteristic; insulator string; electric field; air gap; permissible voltage; transformer case; pulsed electric strength
• Онлайн доступ: http://eie.khpi.edu.ua/article/view/2074-272X.2019.3.11

Purpose. The complex approach to calculating thunderstorm overvoltage on substation equipment is considered when lightning strikes in a lightning rod. Methodology. The conditions of safe passage of lightning current through a lightning arrester are formulated. Results. It is shown that the calculati...