电机电器及其控制技术-英文资料
电机及其控制英文作文

电机及其控制英文作文英文:Electric motors are a crucial component in many industries, from manufacturing to transportation. They convert electrical energy into mechanical energy, allowing for the movement of machinery, vehicles, and other equipment. The control of electric motors is also important, as it allows for precise adjustments in speed and direction.There are various types of electric motors, includingAC motors, DC motors, and stepper motors. Each type has its own unique characteristics and applications. For example, AC motors are commonly used in household appliances, while DC motors are often used in electric vehicles. Stepper motors are used in applications that require precise control, such as 3D printers.The control of electric motors can be achieved through various methods, such as using a motor controller or avariable frequency drive. These devices allow for the adjustment of the motor's speed and direction, as well as providing protection against overloading and overheating.In my experience, I have worked with electric motors in the automotive industry. We used DC motors to powerelectric vehicles, and the control of these motors was crucial for the performance of the vehicle. We used a motor controller to adjust the speed and direction of the motor, and to ensure that it did not overheat or overload.Overall, electric motors and their control play a vital role in many industries, and understanding their operation and application is important for anyone working in these fields.中文:电动机是许多行业的关键组件,从制造业到交通运输。
2 电气工程概论_第二章_电机电器及其控制技术

牵引电 动机
电传动内燃机车动力关系示意图
电气工程专业导论
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GUANGDONG UNIVERSITY OF TECHNOLOGY
三、电机的应用领域(续)
3、交通运输业
内燃机—电力 推进:
3)船舶
舰船内燃机—电力推进感应电动机
电气工程专业导论 21
GUANGDONG UNIVERSITY OF TECHNOLOGY
GUANGDONG UNIVERSITY OF TECHNOLOGY
第二章 电机电器及其控制技术
一.电机的作用与发展简史 二.电机的分类与结构 三.电机的应用领域 四.电动机的选用与运行控制 五.电机学的研究内容 六.电器的发展历史 七.电器的分类 八.高压电器 九.低压电器
电气工程专业导论 1
GUANGDONG UNIVERSITY OF TECHNOLOGY
三、电机的应用领域(续)
3、交通运输业
6)磁悬浮列 车驱动
图2-25
电气工程专业导论
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GUANGDONG UNIVERSITY OF TECHNOLOGY
三、电机的应用领域(续)
3、交通运输业
7)直线电动 机轮轨车辆
电气工程专业导论
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GUANGDONG UNIVERSITY OF TECHNOLOGY
一、电机的作用与发展简史
电机的作用
电能的生产、 传输和分配
发电机 变压器
……
驱动各种机 械和装备
电动机 机床 水泵 ……
控制电机
阀门控制 火炮控制 计算机 ……
电气工程专业导论
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GUANGDONG UNIVERSITY OF TECHNOLOGY
电气工程及其自动化专业英语介绍

电气工程及其自动化专业英语介绍Introduction:Electrical Engineering and its Automation is a specialized field that combines the principles of electrical engineering with automation technology. This article aims to provide an overview of this discipline and its importance in various industries.I. Importance of Electrical Engineering and its Automation:1.1 Advancements in technology: Electrical Engineering and its Automation play a vital role in the development of new technologies. It enables the design and implementation of innovative electrical systems and automation solutions.1.2 Efficiency and productivity: By optimizing electrical systems and automating processes, this discipline helps in improving efficiency and productivity in industries such as manufacturing, power generation, and transportation.1.3 Safety and reliability: Electrical Engineering and its Automation ensure the safety and reliability of electrical systems by incorporating protective measures and fault detection mechanisms.II. Key Concepts in Electrical Engineering and its Automation:2.1 Electrical circuits and systems: This field extensively deals with the analysis and design of electrical circuits and systems. It includes topics such as circuit theory, electronic devices, and power systems.2.2 Control systems: Control systems are an integral part of automation. This area focuses on designing algorithms and controllers to regulate and optimize the behavior of dynamic systems.2.3 Programmable Logic Controllers (PLCs): PLCs are widely used in industrial automation. They are programmable devices that control and monitor various processes, ensuring seamless operation and fault detection.III. Applications of Electrical Engineering and its Automation:3.1 Power generation and distribution: Electrical Engineering and its Automation are crucial in the generation, transmission, and distribution of electrical power. It involves designing efficient power systems, grid management, and renewable energy integration.3.2 Industrial automation: This discipline plays a significant role in automating industrial processes, improving efficiency, and reducing human intervention. It includes robotics, motion control, and process automation.3.3 Smart grids and energy management: Electrical Engineering and its Automation contribute to the development of smart grids, enabling efficient energy distribution, load management, and demand response systems.IV. Career Opportunities in Electrical Engineering and its Automation:4.1 Electrical engineer: Graduates in this field can work as electrical engineers, involved in the design, installation, and maintenance of electrical systems and automation solutions.4.2 Automation engineer: Automation engineers focus on designing and implementing control systems, PLC programming, and integrating automation technologies into various industries.4.3 Research and development: Electrical Engineering and its Automation offer ample opportunities for research and development in areas such as renewable energy, power electronics, and advanced control systems.V. Conclusion:In conclusion, Electrical Engineering and its Automation is a dynamic field that combines electrical engineering principles with automation technology. It plays a crucial role in advancing technology, improving efficiency, and ensuring the safety and reliability of electrical systems. Graduates in this field have diverse career opportunities in various industries. As technology continues to evolve, the importance of ElectricalEngineering and its Automation will only increase, making it an exciting and promising field of study.。
英文版电机控制书籍(一)

英文版电机控制书籍(一)英文版电机控制书籍推荐作为一名资深的创作者,我在电机控制领域有丰富的经验和知识。
在这里,我将为大家推荐几本优秀的英文版电机控制书籍,这些书籍可以帮助读者全面了解电机控制的原理和应用。
以下是我的推荐与理由:1. “Electric Motors and Drives: Fundamentals, Types and Applications” by Austin Hughes•简介:这本书由Austin Hughes撰写,是电机控制领域的经典著作。
书中详细介绍了电机的基本原理、不同类型的电机及其应用以及相关的控制技术。
读者可以通过该书系统地学习电机控制的基础知识,并深入了解各种电机的特点和适用场景。
•理由:这本书是电机控制领域的权威之作,内容全面且深入浅出。
不仅适合初学者快速入门,也适合有一定基础的读者进一步提高。
无论是学习电机控制的理论知识,还是应用于实际项目中,该书都能给读者带来很大帮助。
2. “Electric Motors and Control Systems” by Frank D. Petruzella•简介:Frank D. Petruzella编写的这本书主要着重介绍了电机控制系统的设计和调试。
书中不仅包含了对电机控制的基础知识进行解释,还通过实例和案例分析,帮助读者了解如何设计、安装和维护电机控制系统。
•理由:这本书强调实用性,通过实例和案例的分析,读者可以更好地理解电机控制系统的工作原理及设计思路。
此外,书中还提供了丰富的练习题和实验,使读者能够巩固所学知识,并进行实际操作和实践。
3. “Control of Electric Machine Drive Systems” by Seung-Ki Sul•简介:这本书由Seung-Ki Sul撰写,主要介绍了电机驱动系统的控制理论和方法。
书中包含了对电机控制系统的数学模型建立、控制策略设计和性能评估等内容。
电气工程及其自动化专业英语

time-invariant 时不变的
self-(or mutual-)induction 自(互)感
displacement current 位移电流 conductance 电导
voltage drop 电压降 volt-ampere characteristics 伏安特性
metal-filament lamp 金属丝灯泡
seen, increase of current from zero to
I≈I1 causes the terminal voltage of the source to decrease linearly
V12=V=E-VS=E-RSI
Fig.1.3
In other words, the voltage drop VS across the source resistance rises in proportion to the current. This goes on until
电机及其控制专业英语词汇

电机及其控制专业英语词汇abscissa axis 横坐标ac motor 交流电动机active (passive) circuit elements 有(无)源电路元件active component 有功分量active in respect to 相对….呈阻性admittance 导纳air-gap flux distribution 气隙磁通分布air-gap flux 气隙磁通air-gap line 气隙磁化线algebraic 代数的algorithmic 算法的alloy 合金ampere-turns 安匝(数)amplidyne 微场扩流发电机Amplitude Modulation (AM) 调幅armature circuit 电枢电路armature coil 电枢线圈armature m.m.f. wave 电枢磁势波attenuate 衰减automatic station 无人值守电站automatic V oltage regulator(AVR)自动电压调整器auxiliary motor 辅助电动机bandwidth 带宽base 基极bilateral circuit 双向电路bimotored 双马达的biphase 双相的bipolar junction transistor (BJT) 双极性晶体管block diagram 方框图boost 增加breakaway force 起步阻力breakdown torque 极限转矩bronze 青铜buck 补偿capacitance effect 电容效应carbon-filament lamp 碳丝灯泡carrier 载波Cartesian coordinates 笛卡儿坐标系cast-aluminum rotor 铸铝转子chopper circuit 斩波电路circuit branch 支路circuit components 电路元件circuit diagram 电路图circuit parameters 电路参数coaxial 共轴的,同轴的coil winding 线圈绕组coincide in phase with 与….同相collector 集电极converter 变流器commutation condition 换向状况commutator-brush combination 换向器-电刷总线complex impedance 复数阻抗complex number 复数compound generator 复励发电机compounded 复励conductance 电导conductor 导体corridor 通路coupling capacitor 耦合电容cumulatively compounded motor 积复励电动机dc generator 直流发电机dc motor 直流电动机de machine 直流电机demodulator 解调器differentiation 微分digital signal processing 数字信号处理digital signal processor (DSP) 数字信号处理器direct axis transient time constant 直轴瞬变时间常数direct axis 直轴direct-current 直流direct torque control (DTC) 直接转矩控制displacement current 位移电流dynamic response 动态响应dynamic-state operation 动态运行e.m.f = electromotive fore 电动势eddy current 涡流effective values 有效值effects of saturation 饱和效应electric energy 电能electrical device 电气设备electrode 电极电焊条electromagnetic torque 电磁转矩emitter 发射管放射器发射极end ring 端环energy converter 电能转换器epoch angle 初相角equivalent T – circuit T型等值电路error detector 误差检测器error signal 误差信号excitation system 励磁系统excited by 励磁exciting voltage 励磁电压external armature circuit 电枢外电路external characteristic 外特性feedback component 反馈元件feedback loop 反馈回路feedback signal 反馈信号feedback system 反馈系统feedforward signal 前馈信号feedforward system 前馈系统fidelity 保真度field coils 励磁线圈field current 励磁电流field effect transistor (FET) 场效应管field oriented control (FOC) 磁场定向控制field winding 磁场绕组励磁绕组flux linkage 磁链form-wound 模绕forward transfer function 正向传递函数Frequency Shift Keying(FSK) 移频键控frequency 频率full load 满载full-load torque 满载转矩full-order observer 全阶观测器gain 增益generating 发电generator voltage 发电机电压Geometrical position 几何位置harmonic 谐波的heating appliance 电热器high frequency 高频high-gain 高增益high-performance 高性能的horsepower (HP) 马力horseshoe magnet 马蹄形磁铁hydropower station 水电站ideal source 理想电源imaginary part 虚部impedance 阻抗incident 入射的induced current 感生电流induction generator 感应发电机induction machine 感应电机induction machine 感应式电机induction motor 感应电动机inductive component 感性(无功)分量infinite voltage gain 无穷大电压增益inrush current 涌流instantaneous electric power 瞬时电功率instantaneous mechanical power 瞬时机械功率insulation 绝缘integration 积分下限internal resistance 内阻interoffice 局间的inverse 倒数inverter 逆变器iron-loss 铁损isolation 隔离分离绝缘隔振laminated core 叠片铁芯lamination 叠片leakage current 漏电流leakage flux 漏磁通leakage reactance 漏磁电抗leakage 泄漏left-hand rule 左手定则。
电机及其控制专业英语词汇

电机及其控制专业英语词汇ac motor 交流电动机active (passive) circuit elements 有(无)源电路元件active component 有功分量active in respect to 相对….呈阻性admittance 导纳air-gap flux distribution 气隙磁通分布air-gap flux 气隙磁通air-gap line 气隙磁化线algebraic 代数的algorithmic 算法的alloy 合金ampere-turns 安匝(数)amplidyne 微场扩流发电机Amplitude Modulation (AM) 调幅armature circuit 电枢电路armature coil 电枢线圈armature m.m.f. wave 电枢磁势波attenuate 衰减automatic station 无人值守电站automatic Voltage regulator(AVR)自动电压调整器auxiliary motor 辅助电动机bandwidth 带宽base 基极bilateral circuit 双向电路bimotored 双马达的biphase 双相的bipolar junction transistor (BJT) 双极性晶体管block diagram 方框图boost 增加breakaway force 起步阻力breakdown torque 极限转矩bronze 青铜buck 补偿capacitance effect 电容效应carbon-filament lamp 碳丝灯泡carrier 载波Cartesian coordinates 笛卡儿坐标系cast-aluminum rotor 铸铝转子chopper circuit 斩波电路circuit branch 支路circuit components 电路元件circuit diagram 电路图circuit parameters 电路参数coaxial 共轴的,同轴的coil winding 线圈绕组coincide in phase with 与….同相collector 集电极converter 变流器commutation condition 换向状况commutator-brush combination 换向器-电刷总线complex impedance 复数阻抗complex number 复数compound generator 复励发电机compounded 复励conductance 电导conductor 导体corridor 通路coupling capacitor 耦合电容cumulatively compounded motor 积复励电动机dc generator 直流发电机dc motor 直流电动机de machine 直流电机demodulator 解调器differentiation 微分digital signal processing 数字信号处理digital signal processor (DSP) 数字信号处理器direct axis transient time constant 直轴瞬变时间常数direct axis 直轴direct-current 直流direct torque control (DTC) 直接转矩控制displacement current 位移电流dynamic response 动态响应dynamic-state operation 动态运行e.m.f = electromotive fore 电动势eddy current 涡流effective values 有效值effects of saturation 饱和效应electric energy 电能electrical device 电气设备electrode 电极电焊条electromagnetic torque 电磁转矩emitter 发射管放射器发射极end ring 端环energy converter 电能转换器epoch angle 初相角equivalent T – circuit T型等值电路error detector 误差检测器error signal 误差信号excitation system 励磁系统excited by 励磁exciting voltage 励磁电压external armature circuit 电枢外电路external characteristic 外特性feedback component 反馈元件feedback loop 反馈回路feedback signal 反馈信号feedback system 反馈系统feedforward signal 前馈信号feedforward system 前馈系统fidelity 保真度field coils 励磁线圈field current 励磁电流field effect transistor (FET) 场效应管field oriented control (FOC) 磁场定向控制field winding 磁场绕组励磁绕组flux linkage 磁链form-wound 模绕forward transfer function 正向传递函数Frequency Shift Keying(FSK) 移频键控frequency 频率full load 满载full-load torque 满载转矩full-order observer 全阶观测器gain 增益generating 发电generator voltage 发电机电压Geometrical position 几何位置harmonic 谐波的heating appliance 电热器high frequency 高频high-gain 高增益high-performance 高性能的horsepower (HP) 马力horseshoe magnet 马蹄形磁铁hydropower station 水电站ideal source 理想电源imaginary part 虚部impedance 阻抗incident 入射的induced current 感生电流induction generator 感应发电机induction machine 感应电机induction machine 感应式电机induction motor 感应电动机inductive component 感性(无功)分量infinite voltage gain 无穷大电压增益inrush current 涌流instantaneous electric power 瞬时电功率instantaneous mechanical power 瞬时机械功率insulation 绝缘integration 积分下限internal resistance 内阻interoffice 局间的inverse 倒数inverter 逆变器iron-loss 铁损isolation 隔离分离绝缘隔振laminated core 叠片铁芯lamination 叠片leakage current 漏电流leakage flux 漏磁通leakage reactance 漏磁电抗leakage 泄漏left-hand rule 左手定则light emitting diode 发光二极管lightning shielding 避雷limiter 限幅器line trap 限波器linear zone 线性区line-to-neutral 线与中性点间的load characteristic 负载特性load-saturation curve 负载饱和曲线locked-rotor torque 锁定转子转矩locked-rotor 锁定转子magnetic amplifier 磁放大器magnetic circuit 磁路magnetic field 磁场magnetic torque 电磁转矩magnetizing reacance 磁化电抗manual control 手动控制mature 成熟的mechanical rectifier 机械式整流器micro-controller 微控制器mid-frequency band 中频带mismatch 失配model reference adaptive control (MRAS) 模型参考自适应控制model reference adaptive system (MRAS) 模型参考自适应系统modulator 调制器modulus 模motoring 电动机驱动mutual flux 交互(主)磁通mutual-inductor 互感no-load 空载number of poles 极数observer 观测器operating condition 运行状态operational calculus 算符演算optical fiber 光纤Oscillation 振荡overhauling 检修P.D. = potential drop 电压降per unit value 标么值percentage 百分数performance characteristic 工作特性permanent magnet 永磁permanent magnet synchronous motor 永磁同步电机per-unit value 标么值phase displacement 相位差Phase Modulation (PM) 相位调制phase reversal 反相plugging 反向制动polarity 极性pole 极点polyphase rectifier 多相整流器polyphase rectifier 多相整流器Polyphase 多相(的)potential distribution 电位分布potential transformer 电压互感器power amplifier 功率放大器power frequency 工频primary cell 原生电池prime motor 原动机prime mover 原动机process of self – excitation 自励过程propagate 传导传播r.m.s values = root mean square values 均方根值random-wound 散绕reactive component 无功分量reactive in respect to 相对….呈感性reactive power 无功功率real part 实部rectifier 整流器reference Voltage 基准电压regeneration 再生, 后反馈放大regulator 调节器reluctance 磁阻retarding torque 制动转矩revolutions per minute 转/分revolutions per second 转/秒rheostat 变阻器right-hand rule 右手定则rotating commutator 旋转(整流子)换向器rotating magnetic field 旋转磁场rotor (stator) winding 转子(定子绕组)rotor core 转子铁芯rotor resistance 转子电阻rotor 转子salient poles 凸极saturation curve 饱和曲线saturation effect 饱和效应self–excitation process 自励过程self excited 自励self-bias resistor 自偏置电阻self-exciting 自励的self-inductor 自感self-sensing 位置自检测sensorless 无传感器的separately excited 他励的series excited 串励series 串励shaft 轴shaft-less 无轴承的short-circuiting ring 短路环shunt displacement current 旁路位移电流shunt excited 并励shunt field 并励磁场shunt 并励shunt 分路器signal amplifier 小信号放大器silica 硅石二氧化硅Single Side Band(SSB) 单边带sinusoidal – density wave 正弦磁密度sinusoidal time function 正弦时间函数slip 转差率solid state 固体solt 槽spatial waveform 空间波形spectral 频谱的spectrum 频谱speed regulation 速度调节speed-torque characteristic 速度转矩特性speed-torque curve 转速力矩特性曲线squirrel cage 鼠笼stabilization network 稳定网络stabilizer 稳定器stabilizing transformer 稳定变压器staor winding 定子绕组stator 定子steady–state condition 稳态条件steady direct current 恒稳直流电storage battery 蓄电池summing circuit 总和线路反馈系统中的比较环节synchronous condenser 同步进相(调相)机synchronous generator 同步发电机synchronous reactance 同步电抗synchronous reluctance motor (SRM) 同步磁阻电机synchronous speed 同步转速technical specifications 技术条件terminal voltage 端电压the dielectric 电介质time constant 时间常数time delay 延时time invariant 时不变的time-phase 时间相位transformer 变压器transient response 瞬态响应transistor 晶体管triangular symbol 三角符号trigonometric transformations 瞬时值tuner 调谐器turns ratio 变比匝比two-way configuration 二线制unidirectional current 单方向性电流variable frequency drive (VFD) 变频器vector equation 矢量方程vector control 矢量控制voltage across the terminals 端电压voltage control system 电压控制系统volt-ampere characteristics 伏安特性waveguide 波导波导管wind-driven generator 风动发电机winding loss 绕组(铜)损耗winding 绕组。
unit2 electrical machines control technology

电机起动系统:电机尤其是大电机的起动对电动机构的运行效率起着非常重要的作用。
可以用几种不同的系统起动电机。
使用的电机起动装置位于电源和电机之间。
在起动过程中,电机从电源获得一个比正常运行时大得多的电流。
通常用电机起动装置将起动电流减小到一个电力系统可以控制的水平。
1、全压起动电机起动的方法之一叫全压启动。
这种方法投资便宜而且安装简单。
由于额定电压从起动初始就施加到电机上,所以会产生最大起动转矩和最小加速时间。
然而,电力系统必须能控制由电机汲取的起动电流。
2、主电阻起动电机起动的另一种方法叫主电阻起动。
这种方法将大电阻串联在线路中,以减小电机的起动电流。
通常,连接在线路中的电阻逐级减小,直到额定电压全部加在电机上。
这样,起动转矩随着流过的电流幅值而减小,而起动电流又将随着线路中串联的电阻值而减小。
3、主电抗起动另一种电机起动方法与主电阻起动相似,叫主电抗起动。
这种方法是用电抗器(线圈)替代电阻器,因为在交流电时它们消耗较少的能量。
这种方法通常更适用于额定电压超过600伏的大电机。
4、自耦变压器起动自耦变压器起动是用于电机起动的另一种方法。
这种方法使用一个或多个自耦变压器来控制加在电机上的电压。
接入的自耦变压器通常用于提供一个起动电流控制范围。
当电机加速到它的额定转速附近时,从线路中去掉自耦变压器绕组。
这种方法的主要缺点是自耦变压器的花费大。
5、星形-三角形起动使用星形-三角形起动可能是起动三相电机更为经济的方法。
对星形接法,相电压等于线电压的1.73倍,所以使用星形结构比使用三角形结构起动电流更小。
这种方法在起动时用一个开关使电机定子绕组以星形结构排布,在运转时又以三角形结构排布。
用这种方法减小了起动电流。
6、直流起动系统由于直流电机在不旋转时没有反电动势,它的起动电流非常大。
因此必须使用某种控制系统,例如用一个串联电阻来减小初始的起动电流。
可以手动或自动减小电阻,直到全电压加到电机上。
直流电机常用的4种类型控制系统是:电流限制,定时,反电动势,可变电压。
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2.1 Effects and Development of Machine
What is Electrical Machine? ----------An Electrical machine is a device that converts mechanical energy to electrical energy or vice versa, and changes AC voltage from one level to another level according to law of electromagnetic induction.
The British Hopkinson also invented a transformer with closed magnetic circuit.
Bullough invented high voltage oil immersion transformer, which makes long-distance high-voltage transmission a reality.
2.1 Effects and Development of Machine
Effects of Machine
Power production, transmission and distribution Generator Transformer
……
Drive machinery and
equipment Motor
1888
Faraday invented the model of the first induction generator.
Jacobi invented rod core motor which power is 15W.
Davenport first tried to use motors to drive machines.
The British Gordon created a large two-phase AC generator.
The French Gauland and the British John Gibbs successfully developed the first practical transformer.
Edison created large DC generator named “big elephant”.
Ferraris proposed rotating magnetic field principle, and developed a two-phase asynchronous motor.
Machine and Electric Appliance & Control Technology
2.1 Effects and Development of Machine 2.2 Classification and Structure of Machine 2.3 Application Fields of Machine 2.4 Selection and Operation Control of Machine 2.5 Research Contents of Electro-mechanics 2.6 Development of Electric Appliance 2.7 Classification of Electric Appliance 2.8 High Voltage Electric Appliance 2.9 Low Voltage Electric Appliance
application
DC Motor AC Motor
The functions in application
Generator Motor
Transformer Converter
Frequency converter Phase modifier Control motor
Russians made a single three-phase AC squirrel cage induction motor
2.1 Effects and Development of Machine
1882 1882 1882 1884 1891
The British Fee Langdi improved AC generators and put forward the concept of AC high voltage transmission.
2.2 Classification and Structure of Machine
1.Classification-sized motor Small and medium-
sized motor Micro-motor
The current types in
Machine tool Pump ……
Control motor Valve control Gun control
Computer ……
2.1 Effects and Development of Machine
1831 1834 1836 1845
1866
1870 1878
1880 1885
Gramme made the ring armature self-excitation generator.
Core grooving method was invented. The structure with Slotted core and drum winding are still in use now.
Wheatstone made the first electromagnetic generator by replacing permanent magnet for electromagnet.
Siemens made the first self-excitation generator using electromagnet.