scholarly journals Issues of the electromagnetic current transformers searching projecting

2021 ◽  
Vol 264 ◽  
pp. 05038
Author(s):  
Abdurauf Safarov ◽  
Khurshid Sattarov ◽  
Makhammatyokub Bazarov ◽  
Almardon Mustafoqulov

The necessity of the primary transformers rapidly increases due to the fast development of the microprocessing automated control systems and operation of the railway transport power supply devices, transferring to the flexible automated output. These transformers, besides high metrology characteristics, have to be highly reliable, have a wide range of change, stability, little dimensions.

Author(s):  
Oleg Vasilyevich Tikhanychev

The subject of this research is the process of developing software for automated control systems. The object of research is the means of organizing software development. A generally recognized promising direction for increasing the efficiency of the use of organizational and technical systems is the automation of their management. A significant share of the effectiveness of any complex technical system is provided by its software. This primarily applies to the application software. The development of application programs is fraught with certain difficulties, primarily of an organizational nature. The generalized analysis showed that in world practice there is a fairly wide range of tools for organizing the program development process. These tools are proposed to be divided into two large groups with respect to the attitude to the process and the degree of detail on "project management tools" and "development controls". Each of the tools is effective for certain conditions of software development. The review article analyzes the factors affecting the effectiveness of the use of a particular tool, synthesized proposals on the expediency of using various control systems in different conditions of the development process. The analysis showed that for the conditions of the development of applied software for automated decision support systems, the most effective is the integrated use of process control automation tools.


2021 ◽  
Vol 4 (1) ◽  
pp. 4-12
Author(s):  
Sultan Amirov ◽  
◽  
Shavkat Mukhsimov

The article examines the control system of a current transformer with automatic range control. All multi-limit current transformers allow measuring currents of different ranges with sufficient accuracy in the control systems of traction power supply devices. However, a common disadvantage for all of them is that if it is necessary to change the measurement range, the controlled current of the traction power supply device is disconnected from the power source, i.e. the production or technological process is forced to stop and dismantling and installation work is required. The proposed current transformer with automatic range control eliminates these disadvantages.Keywords:Current transformer, microcontroller, filter, control system, SSR relay, automatic system, harmonic


Author(s):  
I. V. Kharlamenko ◽  
V. V. Vonog

The article is devoted to control and feedback in foreign language teaching in a technogenic environment. The educational process is transformed in terms of the implementation and active use of digital technologies. ICT-rich environment provides new models of interaction between the teacher, students and digital tools. It also enriches the diversity of tasks and expands the range of possible forms of control and feedback. According to the authors, automated evaluation takes place both in out-of-classroom activities and directly in the classroom using Bring Your Own Device technology (BYOD). Automated control contributes to the intensity of the educational process. It provides all the participants with an opportunity to choose a convenient mode of work and get instant feedback, thereby allowing self-assessment and self-reflection of their own actions. When teaching foreign languages, special attention should be paid to chatbot technology. Chatbots imitate human actions and are able to perform standard repetitive tasks. The growing popularity of bots is explained by a wide range of usage spheres and the ability to integrate chatbots into social networks and mobile technologies. In the technogenic educational environment, ICT can be the basis for interaction, co-editing and peer assessment in collaborative projects. In this case, students receive feedback not only from the teacher, but also from other students, which increases the motivation for independent learning. Thus, automated control, self-assessment and peer assessment can both identify problem areas for each student and design an individual learning path, which increases the effectiveness of learning a foreign language.


2005 ◽  
Vol 63 (4) ◽  
pp. 295-304
Author(s):  
Ya. E. Lvovich ◽  
A. S. Dubrovin ◽  
E. A. Rogozin ◽  
V. I. Sumin

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