title: Ð Ð°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ° Ð¸ÑÑÐ¾ÑÐ½Ð¸ÐºÐ° Ð¿Ð¸ÑÐ°Ð½Ð¸Ñ Ð¼Ð¾ÑÐ½Ð¾ÑÑÑÑ 20 ÐºÐÐ Ð¸ ÑÐ°ÑÑÐ¾ÑÐ¾Ð¹ 440 ÐºÐÑ Ð´Ð»Ñ Ð²ÑÑÐ¾ÐºÐ¾ÑÐ°ÑÑÐ¾ÑÐ½ÑÑ Ð¿Ð»Ð°Ð·Ð¼ÐµÐ½Ð½ÑÑ ÑÐµÑ Ð½Ð¾Ð»Ð¾Ð³Ð¸Ð¹
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÐ°
titleType: Subtitle
title: Development of a 20 KVA lamp generator and with a frequency of 440 kHz for high-frequency plasma technologies
Creators: name: Ð¢Ð°Ð¶Ð¸Ð¼Ð±ÐµÑÐ¾Ð², ÐÐ°Ð½Ð¸ÑÑ
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2022
Subjects: Ð¿Ð»Ð°Ð·Ð¼Ð¾ÑÑÐ¾Ð½
Ð»Ð°Ð¼Ð¿Ð¾Ð²ÑÐ¹ Ð³ÐµÐ½ÐµÑÐ°ÑÐ¾Ñ
Ð³ÐµÐ½ÐµÑÐ°ÑÐ¾ÑÐ½Ð°Ñ Ð»Ð°Ð¼Ð¿Ð°
matlab simulink
Ð¼Ð¾Ð´ÐµÐ»Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ðµ
ÐºÐ¾Ð»ÐµÐ±Ð°ÑÐµÐ»ÑÐ½ÑÐ¹ ÐºÐ¾Ð½ÑÑÑ
plasma torch
lamp generator
generator lamp
simulation
oscillating circuit

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description: The object of research of the final qualifying work is a lamp generator with a capacity of 20 kVA and a frequency of 440 MHz used to power a high-frequency induction (RFI) plasma torch. The purpose of the work is to develop, design and simulate a singleâcircuit tube generator with an independent source and selfexcitation, and a three-circuit tube generator with independent excitation and selfexcitation, as well as approximate calculation and analysis of a transistor power supply. In the course of the work, a high-frequency plasma torch scheme was developed in COMSOL Multiphysics to obtain data for modeling and approximate calculation of a lamp generator, as well as a model in the MatLab Simulink software environment. The lamp generator is a converter of alternating current energy of industrial frequency into high-frequency current energy. This transformation is carried out with the help of a generator lamp (triode) GU-66A, and an oscillatory system switched on in a certain way. The generator lamp acts as a regulator, which provides power to the oscillating circuit, as well as maintaining undamped electromagnetic oscillations in it. The presence of oscillations in the oscillatory circuit will cause the appearance of oscillatory power, which will be called in the future the useful power of the generator. There are two main types of tube generators: with independent excitation and with self-excitation. Their difference mainly consists in the fact that when independently excited, vibrations are generated from the outside (from an extraneous, additional source), the frequency of these vibrations is set by the source itself. During self-excitation, vibrations are generated directly inside the tube generators, and their frequency is set by the generator itself. In the course of the work, an approximate 7 engineering calculation of the elements of the lamp generator circuit of two types was made: single-circuit and three-circuit, and their models were compiled. As a result of modeling the lamp generator, it was possible to achieve a power sufficient to power the plasma torch. In general, during the simulation, the system proved to be quite stable to work, which indicates that the generator was able to cope with the specified load. The generator lamp used as a regulator of the oscillating circuit has demonstrated its effective operation.