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Instructor
... conductor – a material that can easily support a current. Metals are typically good conductors because they have many free electrons resistance - a quanitative measure of the conductance of a material, a good conductor has a small resistance insulator – a material that does not easily support a curr ...
... conductor – a material that can easily support a current. Metals are typically good conductors because they have many free electrons resistance - a quanitative measure of the conductance of a material, a good conductor has a small resistance insulator – a material that does not easily support a curr ...
Robotics and Automation
... • A motor converts electrical energy into mechanical energy. • The mechanical energy comes from the interaction between two magnetic fields. • Magnetic fields produce physical forces: • Like poles repel (N – N, S – S) • Unlike poles attract • These forces make a motor spin. • One magnetic field is u ...
... • A motor converts electrical energy into mechanical energy. • The mechanical energy comes from the interaction between two magnetic fields. • Magnetic fields produce physical forces: • Like poles repel (N – N, S – S) • Unlike poles attract • These forces make a motor spin. • One magnetic field is u ...
DC and AC Motor Drives
... • Direct current (dc) motors have variable characteristics and are used extensively in variable-speed drives. • DC motors can provide a high starting torque and it is also possible to obtain speed control over a wide range. • The methods of speed control are normally simpler and less expensive than ...
... • Direct current (dc) motors have variable characteristics and are used extensively in variable-speed drives. • DC motors can provide a high starting torque and it is also possible to obtain speed control over a wide range. • The methods of speed control are normally simpler and less expensive than ...
IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE) e-ISSN: 2278-1676,p-ISSN: 2320-3331,
... Fig.3 DFAM with Cycloconvertor building diagram Despite of most Cycloconvertor’s advantages included, as follow: 1. to be make high reliability; 2. Low maintenance cost; 3. Stability in transient, dynamic and steady state modes and … this equipment has many kind of restrictions, due to its connectio ...
... Fig.3 DFAM with Cycloconvertor building diagram Despite of most Cycloconvertor’s advantages included, as follow: 1. to be make high reliability; 2. Low maintenance cost; 3. Stability in transient, dynamic and steady state modes and … this equipment has many kind of restrictions, due to its connectio ...
Brushless DC Motor Model
... Although PSpice is designed as an electronic circuit simulator, you can also use it to simulate mechanical or electromechanical systems. Analog Behavioral Modeling makes simulating mechanical systems much simpler. An example of an electromechanical system which can benefit from PSpice simulation is ...
... Although PSpice is designed as an electronic circuit simulator, you can also use it to simulate mechanical or electromechanical systems. Analog Behavioral Modeling makes simulating mechanical systems much simpler. An example of an electromechanical system which can benefit from PSpice simulation is ...
Integrated motor drive and battery charging system
... the motor is large and the stator inductance LS is small. [0029] Typically, in the various embodiments, a port 514 is provided for connection to utility poWer (not shoWn in FIG. 5). Further in some embodiments, the port 514 could be used to provide AC poWer to an external device (not shoWn). ...
... the motor is large and the stator inductance LS is small. [0029] Typically, in the various embodiments, a port 514 is provided for connection to utility poWer (not shoWn in FIG. 5). Further in some embodiments, the port 514 could be used to provide AC poWer to an external device (not shoWn). ...
Part I - Indian Navy
... 1.1.4. Electrical machine is the generic name for a device that converts mechanical energy to electrical energy, converts electrical energy to mechanical energy, or changes alternating current from one voltage level to a different voltage level.Electrical machines are divided into three main categor ...
... 1.1.4. Electrical machine is the generic name for a device that converts mechanical energy to electrical energy, converts electrical energy to mechanical energy, or changes alternating current from one voltage level to a different voltage level.Electrical machines are divided into three main categor ...
Electronic soft starters
... The IMS2 series is a multi-microprocessor based soft starter – motor management system designed for the control and protection of motors from 7.5 through to 1500 kW @ 400 V AC and 690 V AC. Available as standard in an IP 54 format to 132 kW and designed specifically for the Australian market, the IM ...
... The IMS2 series is a multi-microprocessor based soft starter – motor management system designed for the control and protection of motors from 7.5 through to 1500 kW @ 400 V AC and 690 V AC. Available as standard in an IP 54 format to 132 kW and designed specifically for the Australian market, the IM ...
Document
... very little contribution (probably current through large magnetizing reactance cannot change fast enough to participate). The next two slides present a crude attempt to create an intuitive RLC circuit that roughly recreates this behavior based on assumptions: 1 - assume magnetizing inductance is so ...
... very little contribution (probably current through large magnetizing reactance cannot change fast enough to participate). The next two slides present a crude attempt to create an intuitive RLC circuit that roughly recreates this behavior based on assumptions: 1 - assume magnetizing inductance is so ...
IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE)
... Most of the production equipment used in modern industrial undertakings consists of three important components, namely the prime mover, the energy transmitting device and the actual apparatus or equipment[1]. The function of the prime mover and the energy transmitting device is to impart the motion ...
... Most of the production equipment used in modern industrial undertakings consists of three important components, namely the prime mover, the energy transmitting device and the actual apparatus or equipment[1]. The function of the prime mover and the energy transmitting device is to impart the motion ...
Zhu1993-MagneticFieldDistributions-P4.pdf
... part 111 [7]. The results are for a rotor speed of 1500 rpm, and span a time interval of 3,333 ms, which corresponds to of an electrical cycle or -& of a revolution. The instantaneous current values were obtained from a dynamic simulation of the drive system [4] from which the current waveform shown ...
... part 111 [7]. The results are for a rotor speed of 1500 rpm, and span a time interval of 3,333 ms, which corresponds to of an electrical cycle or -& of a revolution. The instantaneous current values were obtained from a dynamic simulation of the drive system [4] from which the current waveform shown ...
Tripper Booster Controls
... Underground Mining Equipment VFD Motor Controls • Modular Liquid Cooled Design: – Used in Multiple Motor Configurations, Add or Remove Motors as Required – Separate Controls in Skid or Wall Mounted Configuration – Closed Loop Liquid Cooling System Keeps VFD Cooler and Cleaner for Increased Life and ...
... Underground Mining Equipment VFD Motor Controls • Modular Liquid Cooled Design: – Used in Multiple Motor Configurations, Add or Remove Motors as Required – Separate Controls in Skid or Wall Mounted Configuration – Closed Loop Liquid Cooling System Keeps VFD Cooler and Cleaner for Increased Life and ...
Electrical Motors and Control
... 62. Describe the operation of NPN and PNP transistors by explaining their operational characteristics and their differences. 63. Define a unijunction transistor by explaining its application to motor control circuits. 64. Explain the operational characteristics and applications of SCR’s. 65. Explain ...
... 62. Describe the operation of NPN and PNP transistors by explaining their operational characteristics and their differences. 63. Define a unijunction transistor by explaining its application to motor control circuits. 64. Explain the operational characteristics and applications of SCR’s. 65. Explain ...
A lot thanks go to Head of Computer Department Dr. Luai Malhis
... magnet rotor would follow as in the case of a synchronous motor. A two pole rotor would follow this field at the same rotation rate as the rotating field. However, our 8-pole rotor will rotate at a sub multiple of this rate due the the extra poles in the rotor. ...
... magnet rotor would follow as in the case of a synchronous motor. A two pole rotor would follow this field at the same rotation rate as the rotating field. However, our 8-pole rotor will rotate at a sub multiple of this rate due the the extra poles in the rotor. ...
Mechatronics Project 1 - NYU Tandon School of Engineering
... • Maximum efficiency speed: 35 rpm • Maximum torque: 0.2325Nm • Transmission ratio is 11 : 3 • Enhances the positioning precision and decrease the angular velocity of shaft Schematic of gear train and forces ...
... • Maximum efficiency speed: 35 rpm • Maximum torque: 0.2325Nm • Transmission ratio is 11 : 3 • Enhances the positioning precision and decrease the angular velocity of shaft Schematic of gear train and forces ...
... and send power back to the main line whenever the rotor is rotating faster than the stator field. Under such a condition, the load is said to regenerate. This may occur whenever the VFD attempts to decelerate the motor, or when the load overhauls the motor. In this state, the motor’s back electromag ...
Electric motor
![](https://commons.wikimedia.org/wiki/Special:FilePath/Motors01CJC.jpg?width=300)
An electric motor is an electrical machine that converts electrical energy into mechanical energy. The reverse of this would be the conversion of mechanical energy into electrical energy and is done by an electric generator.In normal motoring mode, most electric motors operate through the interaction between an electric motor's magnetic field and winding currents to generate force within the motor. In certain applications, such as in the transportation industry with traction motors, electric motors can operate in both motoring and generating or braking modes to also produce electrical energy from mechanical energy.Found in applications as diverse as industrial fans, blowers and pumps, machine tools, household appliances, power tools, and disk drives, electric motors can be powered by direct current (DC) sources, such as from batteries, motor vehicles or rectifiers, or by alternating current (AC) sources, such as from the power grid, inverters or generators. Small motors may be found in electric watches. General-purpose motors with highly standardized dimensions and characteristics provide convenient mechanical power for industrial use. The largest of electric motors are used for ship propulsion, pipeline compression and pumped-storage applications with ratings reaching 100 megawatts. Electric motors may be classified by electric power source type, internal construction, application, type of motion output, and so on.Electric motors are used to produce linear or rotary force (torque), and should be distinguished from devices such as magnetic solenoids and loudspeakers that convert electricity into motion but do not generate usable mechanical powers, which are respectively referred to as actuators and transducers.