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2020

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Articles 5071 - 5100 of 10650

Full-Text Articles in Engineering

Research On Robot Processing Path Optimization For Multi-Contour, Xianlun Wang, Yu Yang, Yuxia Cui Jun 2020

Research On Robot Processing Path Optimization For Multi-Contour, Xianlun Wang, Yu Yang, Yuxia Cui

Journal of System Simulation

Abstract: The problem of robot processing path optimization for multi-contour parts was studied, and a new path planning algorithm based on the improved genetic algorithm and the minimum external triangle method was proposed. The genetic algorithm based on modified circle was applied to optimize the cutting path which selected arbitrarily, and an optimal contour sequence was found. The minimum external triangle method was used to seek the node as the tool entrance on each adjacent contour dynamically, and an optimal cutting path was constructed through several iterations in this way. Simulation results show that the cutting path for robot can …

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Cascade Pid Parameter Optimization Of Main Steam Temperature Control System Based On Imperialist Competitive Algorithm, Liu Shuai, Changliang Liu Jun 2020

Cascade Pid Parameter Optimization Of Main Steam Temperature Control System Based On Imperialist Competitive Algorithm, Liu Shuai, Changliang Liu

Journal of System Simulation

Abstract: Thermal power plants for the main steam temperature are difficult to control, using Imperialist Competitive Algorithm to accomplish main steam temperature cascade control strategy simulation optimization. The main steam cascade PID control system with limiting and speed actuator as simulation object determined the appropriate error indicator function ITAE criterion. Several types of Cascade PID control scheme were compared. Simulation results show that Imperialist Competitive Algorithm is convenient and effective method of parameter optimization, and PID-PI cascade type system has better balanced dynamic performance, anti-interference ability.

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Wind Turbine Gearing Temperature Prediction Based On Sample Optimization, Dazhong Li, Chang Cheng, Bingkun Xu Jun 2020

Wind Turbine Gearing Temperature Prediction Based On Sample Optimization, Dazhong Li, Chang Cheng, Bingkun Xu

Journal of System Simulation

Abstract: Condition monitoring of wind turbine can greatly raise the operation of unit and reduce the maintenance cost. Nonlinear state estimation technique (NSET) was used to construct the behavior model of gearbox bearing temperature to complete bearing temperature prediction; grey correlation analysis method was used to verify the rationality of variable selection aiming at the lack of theoretical basis for observation vector choose; similarity analysis method was used to structure simple process memory matrix to shorten the modeling time for the data redundancy of process memory matrix. Prediction residual distribution of model will change when gear box works abnormally and …

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Research On General Ocean Simulation Technology, Shunli Wang, Fengju Kang, Jianhua Xu Jun 2020

Research On General Ocean Simulation Technology, Shunli Wang, Fengju Kang, Jianhua Xu

Journal of System Simulation

Abstract: In order to make the ocean wave simulation generalization, a generalization of the wave simulation method was put forward. In order to adapt to the deep and shallow wave simulation, the improvement based on the viewpoint of multi-resolution grid, adaptive depth wave grid model was given. In view of the diversity of wave model, the height map of a replaceable and combined of multiple wave model was generated. To speed up the simulation of the computing, the CUDA (Compute Unified Device Architecture) accelerated program was embedded in the simulation program, in the case of ocean model based on FFT, …

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Adaptive Steady State Feedback Control Method Of Remote Control Console Of Well Control Simulation System, Ruimin Ma, Wenjing Zhang, Fangzhou Zhang, Ruixue Sun, Li Qiang Jun 2020

Adaptive Steady State Feedback Control Method Of Remote Control Console Of Well Control Simulation System, Ruimin Ma, Wenjing Zhang, Fangzhou Zhang, Ruixue Sun, Li Qiang

Journal of System Simulation

Abstract: In order to effectively protect and control right the process of drilling well control equipment and ensure the safety of the well control, it is necessary to do the drilling well control simulation training for employees. The well control remote physical simulation was designed, which created the real drilling environment for training personnel and objectively reflected the skill levels of training personnel. In order to the simulate operating close to the real environment of well control equipment, the adaptive state feedback control was applied to the remote computer simulation system of well control. According to the system characteristics, combined …

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Permanent Magnet Synchronous Motor Parameter Identification Based On Improved Teaching-Learning-Based Optimization, Li Jie, Wang Yan, Zhicheng Ji Jun 2020

Permanent Magnet Synchronous Motor Parameter Identification Based On Improved Teaching-Learning-Based Optimization, Li Jie, Wang Yan, Zhicheng Ji

Journal of System Simulation

Abstract: High accuracy identification of parameters in permanent magnet synchronous motor (PMSM) is the basis of controller design. In order to overcome the shortages of traditional identification methods such as slow speed and low identification accuracy, an improved teaching-learning-based optimization algorithm (ITLBO) was proposed to identify the permanent magnet synchronous motor parameters. In the teaching phrase, tutorial teaching mechanism was introduced to strengthen teacher's capacity and improved the convergence rate of algorithm, in the learning phrase, the course stepwise learning was used to improve learners' learning efficiency. Besides, opposition-based-learning was introduced for small probability mutation, which enhanced the possibility out …

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Ship Maneuverability Index Identification Based Ais Data, Fangxin Ning, Xiong Yong, Junmin Mou, Xingdong Huang Jun 2020

Ship Maneuverability Index Identification Based Ais Data, Fangxin Ning, Xiong Yong, Junmin Mou, Xingdong Huang

Journal of System Simulation

Abstract: A novel method of ship maneuverability index identification on the basis of Automatic Identification System (AIS) data was proposed. By decoding and processing the raw data of AIS, data of rate of turning (ROT) are re-constructed with application of cubic spline interpolation method. Time series spectrum analysis was introduced to select appropriate ROT data segment. Based on the ROT data segment, rudder angle information was obtained by using ship Voyage Data Recorder (VDR). To identify ship's maneuverability index, particle swarm optimization algorithm (PSO) was applied to obtain ship maneuvering parameters under the current speed. The result was compared …

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Research Of Strategy To Restrain Surplus Force Of Aircraft Rudder Electro-Hydraulic Loading System, Xiaolin Liu, Chunting Wang Jun 2020

Research Of Strategy To Restrain Surplus Force Of Aircraft Rudder Electro-Hydraulic Loading System, Xiaolin Liu, Chunting Wang

Journal of System Simulation

Abstract: For the problem that is caused by surplus torque of aircraft rudder electro-hydraulic loading system is not easy to inhibit, compound controller structure function and control strategy were proposed that combined rubber-metal buffer spring, the displacement of steering gear and speed feed forward of aircraft rudder and the output force feedback use single neuron PID based on dynamic RBF neural network on-line identification. Ant clustering algorithm was used to optimize the dynamic RBF neural network to identify the object online to obtain Jacobian information, then use the single neuron PID controller complete control parameters online self-tuning control. The …

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Optimization Design And Simulation Of Washout Algorithm For Flight Simulator, Wang Hui, Daoyang Zhu, Xiaojing Fu Jun 2020

Optimization Design And Simulation Of Washout Algorithm For Flight Simulator, Wang Hui, Daoyang Zhu, Xiaojing Fu

Journal of System Simulation

Abstract: The key of the fidelity of flight simulators lies in the merits of the washout algorithm; the classical washout algorithm has been widely applied owing to its convenient parameter adjustment as well as rapid feedback and execution speed. However, the classical washout algorithm still exists some certain defects in its structure design, which will cause exaggerated phase retardation error and false cues thus resulting in the deterioration in dynamic fidelity of flight simulators. According to vestibular perception system, the structure redesign of the classical washout algorithm was carried out, using the compensation theory to reduce its phase retardation and …

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Force/Position Control For Dual-Arm Space Robot Capturing Object, Qiuhuang Dong, Chen Li, Haiyun Li, Zhiyong Chen Jun 2020

Force/Position Control For Dual-Arm Space Robot Capturing Object, Qiuhuang Dong, Chen Li, Haiyun Li, Zhiyong Chen

Journal of System Simulation

Abstract: The dynamics control and simulation of dual-arm space robot capture object was studied. The dynamics model of space robot was derived by the second Lagrange equation, for the object capture process, the impact influence on space robot base and arm was calculated by momentum theory. For the space robot and object close-chain system after capturing, a force/position coordinate control algorithm was designed to control the system motion and object clamp force; the stability, reliability and safety of capture process would be ensured by the control algorithm. The simulation result based on the dynamics model and control algorithm was carried …

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Research On Modeling And Control For Fuel-Steam Pressure Of Super Critical Power Unit, Junjie Gu, Zhang Yan, Jianyong Chen, Wang Peng, Wensheng Yu Jun 2020

Research On Modeling And Control For Fuel-Steam Pressure Of Super Critical Power Unit, Junjie Gu, Zhang Yan, Jianyong Chen, Wang Peng, Wensheng Yu

Journal of System Simulation

Abstract: The main steam pressure is an important parameter which characterizes the energy supply and demand of supercritical boiler and steam turbine, which is affected largely by the mount of fuel. At present, most fuel coal of thermal power plant is complex, calorific value fluctuates, resulting in the frequent fluctuation of the main steam pressure, seriously affecting the safe operation of the unit. A fuel — main steam pressure ADRC closed loop feedback control loop was designed in the fuel control system, the spontaneous disturbance of coal-fired thermal value was estimated by ESO, which was then real time compensated in …

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Study On Pulverizing System Simulation Model Of 300mw Lignite Oxygen-Enriched Combustion Boiler, Jianqiang Gao, Shaodong Sun Jun 2020

Study On Pulverizing System Simulation Model Of 300mw Lignite Oxygen-Enriched Combustion Boiler, Jianqiang Gao, Shaodong Sun

Journal of System Simulation

Abstract: The simulation model of the pulverizing system of a 300 MW lignite oxygen-enriched combustion boiler was developed. And the dynamic and static simulation experiments were completed, the experiments included lignite surface moisture content variation, disturbance of feeder norm speed, flue gas inlet temperature and flow rate etc. The results show that, the model is able to correctly simulate the dynamic process of the system. Moisture reduction has a larger impact on the pulverizing system operating parameters. The mill outlet temperature gets a significant rise, especially when it is less than 30%. When the feeder norm speed or flow rate …

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Thermal Power Plants Main Steam Temperature System Control Based On Implicit Pigpc, Zhongda Tian, Shujiang Li, Yanhong Wang Jun 2020

Thermal Power Plants Main Steam Temperature System Control Based On Implicit Pigpc, Zhongda Tian, Shujiang Li, Yanhong Wang

Journal of System Simulation

Abstract: Aiming at the large inertial time-delay characteristic of main steam temperature control system on the thermal power plants, a control method based on Implicit PI-based generalized predictive controller (GPC) was proposed. The implicit PIGPC algorithm with PI structure was proposed based on implicit GPC, implicit PI-based GPC combined the advantages of PI control and implicit GPC, the feedback structure of PI and prediction function of GPC was combined. The predictive control algorithm with PI structure was obtained through a new objective function, the performance of controller was improved. At the same time, the stability of the compensation algorithm was …

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Key Technology Of Fully Immersive Virtual Experience Cabin, Baojiang Du, Zha Liang, Lin Ling Jun 2020

Key Technology Of Fully Immersive Virtual Experience Cabin, Baojiang Du, Zha Liang, Lin Ling

Journal of System Simulation

Abstract: The structure of simulated experience cabin for fire safety education was introduced and the design and implementation methods of a virtual fire escape system for fire safety education were proposed, and specifically the specific implementation and optimization of virtual fire scenario, the conjunction method of double virtual interactive platforms and the simplification of model and the method of communication between the virtual scenes and the PLC control hardware devices were discusses. Fire safety education oriented virtual fire escape skills training system was achieved, which was applied in the teaching and experience room for fire safety training. Application results show …

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Data Acquisition, Analysis, And Modeling Of Rotordynamic Systems, Michael P. Mullen Jun 2020

Data Acquisition, Analysis, And Modeling Of Rotordynamic Systems, Michael P. Mullen

Master's Theses

Data acquisition systems for rotordynamic analysis and machine vibration were explored for the purpose of replacing the obsolete Bently Nevada ADRE 208 and ADRE for Windows system. These included the development of Matlab based custom data acquisition systems and a user interface. A model of an anisotropic rotor response undergoing transient speed was developed for the rapid prototyping and testing of data acquisition systems. Several methods for the measurement of amplitudes and phase in both the time domain and frequency domain were developed and compared. An alternate data acquisition method which is more inline with industry practices was created for …

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Development Of A Quadruped Robot, Avneesh Mishra . Jun 2020

Development Of A Quadruped Robot, Avneesh Mishra .

Manipal Institute of Technology, Manipal Theses and Dissertations

Quadruped robots are four legged robots. This field has been extensively researched in the past and continues to be one of the most researched fields in robotics as more innovations happen. Very well known robots in this field include but are not limited to ANYmal [1], BigDog [2], HyQ [3], Sotch [4] and Spot [5]. These have proven that legged robots are a better solution to challenging terrain compared to their wheeled counterparts. Due to their adaptability to challenging environments, these are being used in construction sites, inspection in hazardous environments, disaster management and assessment and even entertainment. Leading the …

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Current State And Prospects Of Construction Of High-Speed Railway Overpasses In Seismic Conditions Of The Republic Of Uzbekistan, Ulugbek Zabixullayevich Shermuxamedov, Saidxon Salixanovich Salixanov Jun 2020

Current State And Prospects Of Construction Of High-Speed Railway Overpasses In Seismic Conditions Of The Republic Of Uzbekistan, Ulugbek Zabixullayevich Shermuxamedov, Saidxon Salixanovich Salixanov

Journal of Tashkent Institute of Railway Engineers

The article deals with the issues of seismic stability of high-speed railway overpasses in the Republic of Uzbekistan, taking into account the experience of their design and construction in developed foreign countries. A review of technical solutions to ensure the seismic stability of overpasses and bridges located on high-speed and high-speed Railways in the world and in the Republic of Uzbekistan. Features of ensuring seismic stability of bridges and overpasses on high-speed lines are given.

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Substantiation Of Technical And Economic Indicators Of Modern Technologies With The Current Maintenance Of The Subgrade Of Railways, Pardaboy Abduraximovich Begmatov, Sunnatulla Sulaymanov, Sherzod Amirkulovich Tadjibayev Jun 2020

Substantiation Of Technical And Economic Indicators Of Modern Technologies With The Current Maintenance Of The Subgrade Of Railways, Pardaboy Abduraximovich Begmatov, Sunnatulla Sulaymanov, Sherzod Amirkulovich Tadjibayev

Journal of Tashkent Institute of Railway Engineers

The article summarizes the results of a comparison of technical and economic indicators of existing technologies used to clean and destroy herbs and shrubs on the territory of the railway line. It was proved that the use of small means of mechanization in the performance of work included in the routing is effective.

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About The Influence Of A Zeolite Containing Filler (Natrolite) On The Properties Of Cement Binder, Anvar Ishanovich Adilkhodjayev, Ilkhom Abdullaevich Kadyrov, Kadyr Saparbaevich Umarov Jun 2020

About The Influence Of A Zeolite Containing Filler (Natrolite) On The Properties Of Cement Binder, Anvar Ishanovich Adilkhodjayev, Ilkhom Abdullaevich Kadyrov, Kadyr Saparbaevich Umarov

Journal of Tashkent Institute of Railway Engineers

The issue of the influence of the zeolite-containing filler of the Beltau field on the properties of cement binder is considered. Graphically presented are the experimental results of the effect of dispersion and degree of filling on the strength of cement stone. The data obtained confirm the advisability of using this type of filler in concrete.

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Research Of Running Resistance To Longitudinal Movement Of Rails On Jsc "Zbekiston Temir Yulari", Gali-Askar Khalfin Jun 2020

Research Of Running Resistance To Longitudinal Movement Of Rails On Jsc "Zbekiston Temir Yulari", Gali-Askar Khalfin

Journal of Tashkent Institute of Railway Engineers

This article presents the main design characteristics of a joint-less track, analyzes the linear resistance to longitudinal movements of rails, and also shows the design of a special measuring stand and measurement methods. The result of testing the Methodology the first stage will be obtained materials that are required for the preparation of new regulations on laying, maintenance and repair of seamless way, including with whips length block area and stage, as well as for the development of technological processes for the production of certain types of track work.

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Automation Of The Process Of Attaching Locomotives To Trains In Conditions Of A Non-Pairing Graphics, Marufdjan Xalikovich Rasulov, Makhamadaziz Makhamadaminovich Rasulmukhamedov, Shinpolat Mansuralievich Suyunbayev, Masud Numonzhonovich Masharipov Jun 2020

Automation Of The Process Of Attaching Locomotives To Trains In Conditions Of A Non-Pairing Graphics, Marufdjan Xalikovich Rasulov, Makhamadaziz Makhamadaminovich Rasulmukhamedov, Shinpolat Mansuralievich Suyunbayev, Masud Numonzhonovich Masharipov

Journal of Tashkent Institute of Railway Engineers

As you know, in the conditions of an unpaired train schedule at points of turnover and re-coupling of locomotives, it becomes necessary to determine candidates for dispatch or dispatch of locomotives in reserve. In this article, a technology has been developed to minimize the downtime of locomotives at points of turnover and re-coupling in conditions of their insufficiency or excess. In order to automate the process of identifying candidates for sending or sending locomotives, an algorithm has been created in reserve and a program for solving this problem on a computer has been developed. The developed computer program on the …

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About Fastening Cargo On The Wagon Under The Influence Of Transverse Forces, Yadgor Ozodovich Ruzmetov, Jamol Shihnazarov Jun 2020

About Fastening Cargo On The Wagon Under The Influence Of Transverse Forces, Yadgor Ozodovich Ruzmetov, Jamol Shihnazarov

Journal of Tashkent Institute of Railway Engineers

The content of the article is devoted to the incorrectness of the existing methodology for calculating freight fastening. Based on the conducted research, the article proved that the strength of freight fasteners subjected to transverse forces is not provided. The existing methodology for calculating freight fastenings, firstly, does not take into account the force of preliminary twists of the fastening wire, which increase the adhesion force of the freight to the car floor, and secondly, it does not take into account freight shifts that occur during transportation. The force in all wire fasteners subjected to transverse forces, depending on the …

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Systematization Of Factors Influencing During Processing Of Wagons At The Sorting Station, Dilmurod Baхodirovich Butunov, Nodir Kodirovich Aripov, Alfiya Mirkhatimovna Bashirova Jun 2020

Systematization Of Factors Influencing During Processing Of Wagons At The Sorting Station, Dilmurod Baхodirovich Butunov, Nodir Kodirovich Aripov, Alfiya Mirkhatimovna Bashirova

Journal of Tashkent Institute of Railway Engineers

This article discusses the issues of systematization of factors affecting the main quality indicator of the operation of the sorting station. The methods of system and factor analysis and statistical data processing are used. The structure of the elements for the transit wagon transit time with processing at the sorting station has been developed. Systematized factors affecting the processing of wagons at the sorting station according to the elements of the time spent in transit wagon.

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Evaluation Of The Efficiency Of Diesel Locomotives On The Section Of Marokand - Kattakurgan Of Uzbek Railway, Oleg Sergeyevich Ablyalimov, Jasur Djura Ug'li Khodjiyev Jun 2020

Evaluation Of The Efficiency Of Diesel Locomotives On The Section Of Marokand - Kattakurgan Of Uzbek Railway, Oleg Sergeyevich Ablyalimov, Jasur Djura Ug'li Khodjiyev

Journal of Tashkent Institute of Railway Engineers

A comparative analysis of the efficiency of using diesel traction locomotives in the Marokand - Kattakurgan section of the Uzbek Railway for freight trains with and without stops at intermediate stations, siding and separate points is given. Mathematical models of conducting freight trains by diesel-powered locomotives were developed, specific resultant forces of the train were calculated and built in the modes of traction, idling and braking, curves of the speed of movement and time of the train on the considered real railway section. The kinematic parameters of the movement of freight trains and the main energy indicators of the transportation …

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Improvement Of Technological Standards Spent On Local Cars During Cargo Delivery, Jamshid Renatovich Kobulov, Jamshid Sayfullayevich Barotov Jun 2020

Improvement Of Technological Standards Spent On Local Cars During Cargo Delivery, Jamshid Renatovich Kobulov, Jamshid Sayfullayevich Barotov

Journal of Tashkent Institute of Railway Engineers

The article analyzes the norms of time that affect the movement of cars in case of violation of the terms of delivery of goods when sending cars from the station. When delivering goods from the shipper to the station track from the shipper to the shipper, a sequence was developed to find the total amount of time for performing operations on their Assembly from the station, as well as the total amount of time spent on technological operations before transferring the cars to the cargo owners at the designated station. After the arrival of local cars at the unloading station, …

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Syntactic Analysis And Discussion Of Data On Carriage Of Railway For Storage In The Database Management System, Muzaffar Siddikovich Rasulov, Orifjon Alimovich Mirsagdiyev Jun 2020

Syntactic Analysis And Discussion Of Data On Carriage Of Railway For Storage In The Database Management System, Muzaffar Siddikovich Rasulov, Orifjon Alimovich Mirsagdiyev

Journal of Tashkent Institute of Railway Engineers

The paper analyzes the current state of obtaining information at a certain point in time of the carriage model of the road, and processing incoming data. According to the research results, the time of receipt of primary information from the information and computer center of the society and data processing was determined, both by the traditional method and by the method using information and communication technologies. And also, comparisons of the results are made. An algorithm for obtaining and processing information in real time has been developed. Practical recommendations on building a service for integration with an automated system for …

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On The Development Of Mathematical Models Describing The Relationship Between The Parameters Of The Container Depot And Operation Technology, Daurenbek Ixtiyarovich Ilesaliev, Shaxboz Rovshan Ugli Abduvakhitov, Farrukh Kakhramonovich Azimov, Gulshanа Rasulovna Ibragimova Jun 2020

On The Development Of Mathematical Models Describing The Relationship Between The Parameters Of The Container Depot And Operation Technology, Daurenbek Ixtiyarovich Ilesaliev, Shaxboz Rovshan Ugli Abduvakhitov, Farrukh Kakhramonovich Azimov, Gulshanа Rasulovna Ibragimova

Journal of Tashkent Institute of Railway Engineers

Today, due to the increase in rail freight traffic, there is a shortage of containers, and the issue of shortage of containers has not been resolved for a long time. This substantiates the practical relevance of the study of container depots in railway transport. Connections with which the purpose of the article is to develop a methodology for the reliable determination of the most rational values of the parameters of the container terminal, thereby improving and increasing the level of customer service in transport in general.

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Study Of The Influence Of An Alternating Magnetic Field On The Operation Of A Current Converter On The Magnetomodulation Effect, Abdurauf Malikovich Safarov, Sarvarbek Khamrayevich Jumaboyev Jun 2020

Study Of The Influence Of An Alternating Magnetic Field On The Operation Of A Current Converter On The Magnetomodulation Effect, Abdurauf Malikovich Safarov, Sarvarbek Khamrayevich Jumaboyev

Journal of Tashkent Institute of Railway Engineers

The paper proposes a design of a device for converting current to voltage with advanced functionality, designed to detect the asymmetry of three-phase currents in both DC and Made AC circuits. theoretical investigations and mathematical model of static characteristics of the Converter from changes in the magnetization curve of the magnetic material under the interaction of two fields generated by modulating current flowing in the modulation coil and an alternating magnetic field with a strength and created during the flow of DC buses DC field strength and shown that the nonlinearity of the dependence really is a principal factor responsible …

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Dynamic Characteristics Of The New Magnetic Modulating Dc Difference Converter, Sultan Fayzullayevich Amirov, Sarvarbek Xamrayevich Jumaboyev, Nurilla Raxmatullaevich Yuldashev Jun 2020

Dynamic Characteristics Of The New Magnetic Modulating Dc Difference Converter, Sultan Fayzullayevich Amirov, Sarvarbek Xamrayevich Jumaboyev, Nurilla Raxmatullaevich Yuldashev

Journal of Tashkent Institute of Railway Engineers

It is shown that when a jump-like differential current is applied to the input of the transducer, its transient response consists of the sum of one steady-state and two free harmonic components with a frequency equal to double the modulation current frequency, the free components of which decay with rates depending on the time constants, respectively, the measuring and modulation magnetic circuit, and when a pulsating differential current with a frequency is applied to the input of the converter, the transient response consists of the sum of one harmonic steady-state component with a frequency equal to the modulation current frequency …

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The Research Of Various Transient Processes In Current Transformers, Sultan Fayzullayevich Amirov, Shavkat Mukhsimov, Otabek Tashmuhammatovich Boltayev Jun 2020

The Research Of Various Transient Processes In Current Transformers, Sultan Fayzullayevich Amirov, Shavkat Mukhsimov, Otabek Tashmuhammatovich Boltayev

Journal of Tashkent Institute of Railway Engineers

In the article the transients occurring in current transformers are investigated and the values of secondary transient currents are determined using the operator's method with the help of a mathematical model of a wide-range current transformer using various primary sources. Using the obtained results, the regularities of secondary currents change over time are analyzed. It determined that, in the developed the wide-range current transformer, the influence of the aperiodic component of the primary current on the transformer current decreases with increasing the angle and creating a counter magnetomotive force in the core to expand the upper limit of the conversion …

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