Russian Electrical Engineering最新文献

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A Parametric Model of a Synchronous Reluctance Motor with a TLA Rotor in Steady-State and Transient Modes 带有 TLA 转子的同步磁阻电机在稳态和瞬态模式下的参数模型

Q3 Engineering

Russian Electrical Engineering

Pub Date : 2024-04-24 DOI: 10.3103/s1068371224700111

V. N. Karaulov, A. F. Dorzhinkevich

Abstract

There is significant practical and scientific interest in synchronous reluctance motors with a transversally laminated anisotropic (TLA) rotor. TLA rotor core has a transverse lamination, internal grooves and highly saturated areas. The configuration of rotor slots is complex and varied. It is an urgent task to develop a parametric model of a synchronous reluctance motor with a TLA rotor designed to calculate steady-state and transient engine operating conditions. A classical parametric model of a synchronous reluctance motor is used that is based on the theory of two reactions. The presented method for calculating the parameters of a model of a synchronous reluctance motor with a TLA rotor is based on the results of a field calculation of two static states of a magnetic field. Calculations of steady-state conditions of a synchronous reluctance motor are performed according to engineering formulas, which are obtained from the equation of voltage equilibrium in the stator phase. To calculate the transient modes of a synchronous reluctance motor, the Park—Gorev equations were used. Field models of the synchronous reluctance motor under study are presented for axial and transverse rotor positions. The magnetic field’s main harmonics in the gap and their dependences on the armature current are calculated. Formulas are given for calculating the armature winding inductive parameters and a synchronous reluctance motor operating characteristics. Differential equations used to calculate processes in a synchronous reluctance motor are presented. Using a parametric model, the operating characteristics of a synchronous reluctance motor, the process of frequency starting, and the electromechanical process of a synchronous reluctance motor’s operation with an asymmetrical power supply are calculated. Calculation results are compared with the field modeling results of a synchronous reluctance motor with a TLA rotor in the Ansys Maxwell environment. The classical parametric model of a synchronous machine based on the theory of two reactions allows one to quickly and accurately analyze the steady-state and transient operating conditions of a synchronous reluctance motor with a TLA rotor under various power and mechanical load conditions, including abnormal ones.

摘要采用横向层叠各向异性（TLA）转子的同步磁阻电机在实际应用和科学研究中都引起了极大的兴趣。TLA 转子铁芯具有横向层叠、内部沟槽和高饱和区域。转子槽的结构复杂多样。当务之急是建立一个带有 TLA 转子的同步磁阻电机参数模型，以计算稳态和瞬态发动机运行条件。同步磁阻电机的经典参数模型是以两个反应理论为基础的。所介绍的带 TLA 转子的同步磁阻电机模型参数计算方法基于磁场两种静态状态的场计算结果。同步磁阻电机稳态条件的计算是根据工程公式进行的，而工程公式则是从定子相电压平衡方程中获得的。要计算同步磁阻电机的瞬态模式，则使用 Park-Gorev 方程。研究中的同步磁阻电机的磁场模型适用于转子的轴向和横向位置。计算了间隙中磁场的主要谐波及其与电枢电流的关系。给出了电枢绕组电感参数和同步磁阻电机运行特性的计算公式。介绍了用于计算同步磁阻电机过程的微分方程。使用参数模型计算了同步磁阻电机的运行特性、工频起动过程以及同步磁阻电机在不对称电源下运行的机电过程。计算结果与带有 TLA 转子的同步磁阻电机在 Ansys Maxwell 环境中的现场建模结果进行了比较。基于双反作用理论的同步机经典参数模型可以快速准确地分析带 TLA 转子的同步磁阻电机在各种功率和机械负载条件（包括异常条件）下的稳态和瞬态运行条件。

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引用次数: 0

Methods for Calculating the Resistance of Bulk Conductors with a Small Area of Electrical Contacts 计算具有小面积电触点的散装导体电阻的方法

Q3 Engineering

Russian Electrical Engineering

Pub Date : 2024-04-24 DOI: 10.3103/s1068371224700093

S. I. Matyukhin, A. S. Murko, A. V. Stavtsev

Abstract

The dependence of the electrical resistance of a volumetric homogeneous conductor on the area of electrical contacts has been studied by computer modeling methods. To describe this dependence, simple analytical models are proposed, which are suitable for engineering calculations. The problem of resistance of a multilayer structure with a small contact is considered and solved.

摘要利用计算机建模方法研究了体积均质导体的电阻与电接触面积的关系。为了描述这种依赖关系，提出了适用于工程计算的简单分析模型。考虑并解决了具有小触点的多层结构的电阻问题。

引用次数: 0

Magnetomotive Forces of Slotless Electrical Machines with Fractional Windings and Number of Coils per Pole and Phase q < 1 具有分数绕组和每极线圈数以及相位 q < 1 的无槽电机的磁动力

Q3 Engineering

Russian Electrical Engineering

Pub Date : 2024-04-24 DOI: 10.3103/s1068371224700056

G. O. Heinrich, A. F. Shevchenko, D. Yu. Babitsky

Abstract

This article analyzes the magnetomotive forces (MFFs) created by fractional coil windings with number of coils per pole and phase q < 1 in slotless synchronous electric machines with permanent magnets. The harmonic composition of the MMF created by these windings is given. The influence of the coil width on the amplitude of the operating harmonics of the MMF is shown.

摘要本文分析了在带永磁体的无槽同步电机中，每极线圈数和相位为 q < 1 的分数线圈绕组产生的磁动力（MFF）。给出了这些绕组产生的 MMF 的谐波组成。说明了线圈宽度对 MMF 工作谐波幅值的影响。

引用次数: 0

A Set of Traction Electromechanical Drivetrain Equipment for Energy-Saturated Agricultural Tractors 一套用于能量饱和农用拖拉机的牵引机电传动设备

Q3 Engineering

Russian Electrical Engineering

Pub Date : 2024-04-24 DOI: 10.3103/s1068371224700020

S. N. Florentsev, S. V. Bayda, I. O. Zhurov

Abstract

The history and the latest developments of electromechanical drivetrains for a wheeled energy-saturated tractor of 300-hp power are presented. Functional diagrams for a set of traction electrical equipment as a part of an electromechanical drivetrain and a power electronics unit and the parameters of a traction electric motor and a motor generator designed for the traction characteristics of the tractor are presented. The features of tuning procedures are described, and the testing results for a set of traction electrical equipment in the form of static characteristics are described.

摘要介绍了用于功率为 300 马力的轮式能量饱和拖拉机的机电传动系统的历史和最新发展情况。介绍了作为机电传动系统和电力电子装置一部分的牵引电气设备的功能图，以及根据拖拉机牵引特性设计的牵引电动机和电动发电机的参数。介绍了调整程序的特点，并以静态特性的形式介绍了一套牵引电气设备的测试结果。

引用次数: 0

An Invariant Synchronous Motor Vector Control System Closed via an Ackerman Observer 通过阿克曼观测器封闭的不变同步电机矢量控制系统

Q3 Engineering

Russian Electrical Engineering

Pub Date : 2024-04-24 DOI: 10.3103/s1068371224700044

E. S. Kucher

Abstract

The synthesis of an invariant vector speed control system of an asynchronous motor with permanent magnets by the localization method is considered. The proposed automatic engine control system provides processing and low sensitivity to additive perturbation. To avoid including a speed sensor in the structure of the electric drive, the developed algorithms for invariant control of the synchronous motor are closed through an Ackerman observer. The results of digital modeling of the vector control system of a synchronous motor with permanent magnets are presented, and a comparative analysis of the proposed machine control algorithms is performed.

Abstract The synthesis of an invariant vector speed control system of an asynchronous motor with permanent magnets is considered by the localization method.所提出的发动机自动控制系统具有处理能力强、对加扰动敏感度低等特点。为避免在电力驱动结构中加入速度传感器，所开发的同步电机不变控制算法通过阿克曼观测器进行封闭。本文介绍了永磁同步电机矢量控制系统的数字建模结果，并对所提出的机器控制算法进行了比较分析。

引用次数: 0

Hierarchical Distributed Control of Modular Spacecraft Electrical Power System 模块化航天器电力系统的分层分布式控制

Q3 Engineering

Russian Electrical Engineering

Pub Date : 2024-04-24 DOI: 10.3103/s1068371224700081

N. A. Sevostyanov, S. A. Kharitonov

Abstract

The paper deals with the problem of low-quality voltage characterizing the common bus of a spacecraft (SC) power-supply system (PSS) with distributed three-level hierarchical control. The hierarchical control consists in the droop control of power modules connected in parallel forming a common bus for to provide uniform current distribution, which provides an increase in the impedance of this bus to such a value that is incompatible with the requirements for the voltage quality of SC onboard equipment. To solve the problem, it is proposed to apply control with three degrees of freedom (3-DOF) to divide the processes of controlling local voltages of power modules and droop control into different speeds, neutralizing the effect of the droop control of modules exerted on the impedance of the SC PSS common bus and, as a consequence, on voltage quality. The operability of the proposed solution has been verified by a series of experiments with the use of a laboratory test bench.

摘要本文论述了采用分布式三级分层控制的航天器（SC）供电系统（PSS）公共母线的低质量电压问题。分级控制包括对并联形成公共母线的电源模块进行降压控制，以提供均匀的电流分布，从而使该母线的阻抗增加到不符合 SC 机载设备电压质量要求的值。为解决这一问题，建议采用三自由度（3-DOF）控制，将功率模块的局部电压控制和降压控制过程划分为不同的速度，从而中和模块降压控制对 SC PSS 公共母线阻抗的影响，以及因此对电压质量的影响。利用实验室测试台进行的一系列实验验证了拟议解决方案的可操作性。

引用次数: 0

Research and Mathematical Modeling of DC Executive Electric Motors of Tracking Adaptive Electric Drives when Optimizing Specific Parameters 优化特定参数时跟踪自适应电动驱动器直流执行电机的研究与数学建模

Q3 Engineering

Russian Electrical Engineering

Pub Date : 2024-04-24 DOI: 10.3103/s1068371224700032

A. A. Agapov, Yu. M. Krylov, T. E. Chernykh, Yu. V. Pisarevsky, A. M. Litvinenko

Abstract

Brushless dc electric motors have found application in various branches of domestic technology, including in highly important aviation applications, the creation of the electrical complexes of which requires minimizing the weight and size indicators of all elements. However, due to the fact that such systems are often constructed on the basis of complex unique transmission mechanisms, their optimization is reduced to the constructive elaboration of the executive electric motor. For electromechanical converters with nonoverlapping concentrated multisection windings used in multipole machines, it is possible to achieve a significant reduction in the total mass by varying the height of the teeth and the length of the machine, taking into account the accepted volume restrictions. This kind of approach to the design of electric machines with a fractional number of slots per pole and phase allows one to create a magnetic system that provides a minimum of the mass of the product while maintaining the required electromechanical parameters by changing the tooth zone. The results obtained will make it possible, even at the stage of creating the sketch appearance of the magnetic system of the executive electric motor, to determine the optimal ratios of the parameters of the magnetic circuit, taking into account the possible minimum mass, which is relevant in the design of structurally complex electromechanical aviation systems.

摘要无刷直流电动机已被应用于国内技术的各个领域，包括非常重要的航空应用领域。然而，由于此类系统通常是在复杂独特的传动机构基础上构建的，因此其优化工作被简化为对执行电机的结构设计。对于多极机中使用的带有非重叠集中多节绕组的机电转换器来说，考虑到公认的体积限制，通过改变齿的高度和机器的长度，可以显著减少总质量。采用这种方法设计每极和每相都有部分槽数的电机，可以通过改变齿区，在保持所需的机电参数的同时，创造出最小产品质量的磁系统。即使在设计执行电机磁路系统的外观草图阶段，所获得的结果也能确定磁路参数的最佳比例，同时考虑到可能的最小质量，这对于设计结构复杂的机电航空系统非常重要。

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引用次数: 0

Design Principles for a Highly Energy-Efficient General Industrial Series of Induction Motors with Maximization of Energy and Power Indicators 能耗和功率指标最大化的高能效通用工业系列感应电机的设计原则

Q3 Engineering

Russian Electrical Engineering

Pub Date : 2024-04-04 DOI: 10.3103/s1068371224010073

A. C. Kobelev, L. N. Makarov

Abstract

Invariant quality indicators of asynchronous machines that are common to most technical objects are listed. An review of the development of induction motor series has been carried out, with the periods of development being compared with the eras of technological revolutions in the technosphere. Principles for designing an active parts of highly energy-efficient asynchronous motors are formulated, narrowing the search space and, thereby, facilitating the solution of a multiobject, multicriterion optimization problem. Based on a computational analysis, a criteria for selecting blank diameters for low-voltage asynchronous motors of medium power are proposed depending on the energy-efficiency class, number of poles, power matching and rotation height.

摘要列举了大多数技术对象所共有的异步电动机的不变质量指标。回顾了感应电机系列的发展历程，并将其发展时期与技术领域的技术革命时代进行了比较。制定了设计高能效异步电机有源部件的原则，缩小了搜索空间，从而促进了多对象、多标准优化问题的解决。在计算分析的基础上，根据能效等级、极数、功率匹配和旋转高度，提出了选择中等功率低压异步电机空白直径的标准。

引用次数: 0

Synthesis of a Simulation Model of Coupled Coils in an Electric Vehicle Wireless Charging System 电动汽车无线充电系统中耦合线圈仿真模型的合成

Q3 Engineering

Russian Electrical Engineering

Pub Date : 2024-04-04 DOI: 10.3103/s1068371224010127

A. V. Zolotarev, G. V. Demidova, A. S. Tsyrinova, P. V. Terentyeva, G. D. Baranov, S. Chatterji

Abstract

Wireless power transmission systems based on the principle of magnetic induction are a promising technology for the design of chargers. A mathematical description of the wireless power transmission process in accordance with the IEC 61980 standard is given. To study the electromagnetic properties of a wireless power transmission system, a finite element model of the system has been developed that allows estimating the values of self- and mutual inductance when operating at different frequencies. The parameters obtained during the simulation were used to construct a system of differential equations describing a system of coupled coils based on circuit theory. On the basis of these equations, the transfer function of coils was obtained, which makes it possible to evaluate their frequency, energy and dynamic properties.

摘要基于磁感应原理的无线输电系统是一种很有前途的充电器设计技术。本文给出了符合 IEC 61980 标准的无线输电过程的数学描述。为了研究无线电力传输系统的电磁特性，我们开发了一个系统的有限元模型，可以估算在不同频率下工作时的自感和互感值。模拟过程中获得的参数被用于构建一个微分方程系统，该方程系统以电路理论为基础，描述了一个耦合线圈系统。在这些方程的基础上，获得了线圈的传递函数，从而可以评估其频率、能量和动态特性。

引用次数: 0

Prospects for the Use of a New Modification of the ANE225L4 Electric Motor with a Random Winding Made of Round Wire in Electric Drives of Auxiliary Mechanisms of the VL85 Electric Locomotive 在 VL85 电力机车辅助机械的电力驱动中使用带有圆线随机绕组的 ANE225L4 电机新改型的前景

Q3 Engineering

Russian Electrical Engineering

Pub Date : 2024-04-04 DOI: 10.3103/s1068371224010048

A. A. Bedeker, A. V. Zakharov, V. Yu. Kalinin, A. S. Kobelev

Abstract

The historical retrospective of the works carried out by the Ruselprom concern in the field of improving the energy and operational characteristics of ANE(M)225L4UKhL2 electric motors used in the drives of auxiliary mechanisms—fans and compressors of VL80 and VL85 electric locomotives—is considered. Further prospects for improving the energy efficiency of motors are shown. The main results of the development of electric motors with a random winding made of round-section wire with polyimide film insulation laid in semiclosed slots of the stator are presented.

摘要对俄罗斯电力股份公司（Ruselprom）在改进用于 VL80 和 VL85 电力机车辅助机构（风扇和压缩机）驱动装置的 ANE(M)225L4UKhL2 电动机的能效和运行特性方面所开展工作的历史回顾。还展示了提高电机能效的进一步前景。介绍了在定子半封闭槽中铺设聚酰亚胺薄膜绝缘圆截面导线随机绕组的电动机的主要研发成果。

引用次数: 0

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