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 …

Development of a mathematical model of a frequency-controlled electromagnetic vibration motor taking into account the nonlinear dependences of the characteristics …

O Toirov, M Khalikova, D Jumaeva… - E3S Web of …, 2023 - e3s-conferences.org
The wider application of vibration machines (VM) with electromagnetic motors (EMVM) in
various industries, including in vibration test benches for telecommunication devices and …

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 …

Analysis of damage to 35 kv cable lines in the Districts of Tashkent

S Yaxyayeva, N Pirmatov, A Egamov… - E3S Web of …, 2023 - e3s-conferences.org
The article analyzes the damage to the cable line 35 kV in the regions of Tashkent.
According to the analysis results, electrical damages in the districts of Tashkent city were …

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 …