Development of contactless switching devices for asynchronous machines in order to save energy and resources

O Toirov, T Sadullaev, D Abdullaev… - E3S Web of …, 2023 - e3s-conferences.org
To limit the inrush currents in the stator windings, various schemes for starting an
asynchronous electric motor are used. In addition, the existing devices have a complex …

Analysis of the safety of pumping units of pumping stations of machine water lifting in the function of reliability indicators

O Toirov, S Khalikov - E3S Web of Conferences, 2023 - e3s-conferences.org
The article presents ways of analyzing the safety of pumping units of pumping stations of
machine water lifting in the function of reliability indicators, taking into account the …

Device for measuring the magnetic scattering field of the frontal part of the stator winding of a traction asynchronous electric motor of an electric rolling stock

NB Pirmatov, UT Berdiyev, KK Usmonov… - E3S Web of …, 2023 - e3s-conferences.org
The article deals with the issues of improving the energy efficiency of mainline locomotives
with asynchronous traction motors by determining the characteristics of the traction drive …

Diagnostics of pumping units of pumping station of machine water lifting

O Toirov, S Khalikov - E3S Web of Conferences, 2023 - e3s-conferences.org
The purpose of diagnostics is to determine the operability of the pumping units of the
pumping station of the machine water lifting at a given time and to identify defects in their …

Studies of reliability indicators of pumping units of machine irrigation on the example of the “Namangan” pumping station

O Toirov, S Khalikov, S Khalikov… - E3S Web of …, 2023 - e3s-conferences.org
The article presents the results of a reliability study, where violations of work are determined
based on operational data to create a database for determining reliability indicators and the …

Scheme of effective regulation of pumping station productivity

S Umarov, K Sapaev, I Abdullabekov… - AIP Conference …, 2021 - pubs.aip.org
The article presents the results on the development of a circuit solution for effective
regulation of pumping station productivity, which allows achieving smooth start-up modes …

Calculation of U-shaped characteristics and reactive power of synchronous compensator with longitudinal-transverse excitation

N Pirmatov, O Toirov, A Bekishev… - AIP Conference …, 2023 - pubs.aip.org
The This article provides a vector diagram of a synchronous compensator with longitudinal-
transverse excitation in the mode of deep consumption of reactive power, in addition, the …

Mathematical modeling of the self-swinging process of synchronous generators

N Pirmatov, A Bekishev, A Egamov… - AIP Conference …, 2023 - pubs.aip.org
The article presents mathematical models of the processes of self-calibration of a
synchronous generator with traditional and biaxial excitation. As you know, self-swinging is …

An energy efficient control system for water lifting units of the Ramadan pumping station based on frequency controlled electric drives

I Abdullabekov, K Sapaev - AIP Conference Proceedings, 2023 - pubs.aip.org
The article provides a generalized mathematical model of a pumping unit for electric
machine irrigation systems based on the criterion of the specific consumption of electrical …

Ways to improve the energy performance of asynchronous electric motors of rolling stock

UT Berdiyev, UN Berdiyorov, UB Sulaymonov… - AIP Conference …, 2023 - pubs.aip.org
This article considers the issue of increasing the energy performance of asynchronous
electric motors in various sectors of the economy, which led to the intensive growth of …