STRUCTURE AND CIRCUIT DESIGN OF THE AUTOMATIC NITROGEN PUMP MODULE 

Akimov Aleksandr Aleksandrovich, general director, Research Institute electronic and mechanical devices (440000, 44 Karakozov street, Penza, Russia), info@niiemp.ru 
Derjabin Denis Viktorovich, deputy general director, Research Institute electronic and mechanical devices (440000, 44 Karakozov street, Penza, Russia), info@niiemp.ru
Buts Viktor Petrovich, doctor of technical sciences, professor, sub-department of radio equipment design and production, Penza State University (440026, 40 Krasnaya street, Penza, Russia), kipra@pnzgu.ru
Goryachev Nikolay Vladimirovich, candidate of technical sciences, associate professor, sub-department of radio equipment design and production, Penza State University (440026, 40 Krasnaya street, Penza, Russia), ra4foc@yandex.ru
Razzhivina Galina Petrovna, associate professor, sub-department of environmental engineering, Penza State University of Architecture and Construction (440028, 28 German Titov street, Penza, Russia), office@pguas.ru

537.521

10.21685/2307-4205-2018-1-9

Background. Increasing the electrical strength of vacuum devices is an urgent task. To increase the electrical strength of vacuum electronic devices, laboratory facilities with tripartite arresters are actively used. It is necessary to develop a module for the automatic pumping of nitrogen into the working space of trigatron arresters.
Materials and methods. Impulse training of high-voltage vacuum devices with high-voltage nanosecond pulses is introduced. pulses whose duration is shorter than the time of formation of breakdown. It is shown that the automatic nitrogen pump module is one of the important elements that allows to provide a semi-automatic mode of the generator of high-voltage nanosecond pulses.
Results. The results of the development of the automatic nitrogen pump module are presented. The module is part of a laboratory installation for increasing the electrical strength of high-voltage vacuum devices using an ultrashort pulse  rain. To increase the steepness of the front of the conditioning impulse and to decrease the delay time, the working space of the trigatron arrester is filled with nitrogen under a pressure of several atmospheres. The realization of the semiautomatic mode of supply of ultrashort nanosecond pulses to a trained vacuum electronic device makes it possible to realize a mode of simultaneous probing of electrodes by pulsed breakdowns and breakdowns of a direct current.
Conclusions. The developed module allows to automate the process of filling the trigatron arrester with nitrogen at an operating pressure of up to 10 bar and to refuse control and control by means of operations performed by the human operator.

vacuum technology, training, electric strength in vacuum, trigatron, nitrogen