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AC MOTOR CONTROL: Overview
The AC induction motor is a rotating electric machine designed to operate from a three-phase source of alternating voltage. The stator is a classic three phase stator with the winding displaced by 120°. The most common type of induction motor has a squirrel cage rotor in which aluminum conductors or bars are shorted together at both ends of the rotor by cast aluminum end rings. When three currents flow through the three symmetrically placed windings, a sinusoidally distributed air gap flux generating the rotor current is produced. The interaction of the sinusoidally distributed air gap flux and induced rotor currents produces a torque on the rotor. The mechanical angular velocity of the rotor is lower then the angular velocity of the flux wave by so called slip velocity.
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AC MOTOR CONTROL: News
Fairchild Semiconductor’s (NYSE: FCS) two new Motion-SPM™ devices for under 200W inverter motors are specifically tailored to reduce board space and simplify designs while enhancing...
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NEC Electronics has announced a new line of 16-bit All Flash™ microcontrollers (MCUs) for inverter control applications. Built around NEC Electronics' fast and efficient 78K0R CPU core,...
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International Rectifier, IR® (NYSE: IRF), a world leader in power management technology has introduced a rugged 600 V three-phase gate driver IC for low, mid-, and high-voltage motor drive...
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Fairchild Semiconductor has introduced the FSB50325S (250V), FSB50250S (500V) and FSB50450S (500V), three new Motion-SPM™ devices available in 29mm x 12mm surface-mount-device (SMD) packages....
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Vishay Intertechnology, Inc. has announced the VO3052 and VO3053, two new non-zero-crossing 1.5-kV/µs dV/dt phototriac optocouplers designed to isolate low-voltage logic from AC voltages up...
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[MORE NEWS ABOUT AC MOTOR CONTROL]
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AC MOTOR CONTROL: Semiconductor Solutions
Infineon offers now a new 3-phase motor drive application kit to shorten time-to-market for energy efficient motor control designs targeting excellent speed control, reduced noise and high system...
[from Infineon] >>
The OM5428 phase control circuit can be easily used for motor speed control. It can also be configured as a soft start motor controller to eliminate the effect of motor high starting torque. The...
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Overview, Application Notes, Block Diagrams, Recommended Products, Design Flow Chart for AC Induction Motor, Variable Speed Brushless DC Motor, Stepper motor, Brushed DC motor, Switched reluctance...
[from Microchip] >>
Variable-speed motor control systems have a wide range of applications, from high-end industrial robotics to ordinary home appliances, such as domestic washing machines. The control loops in these...
[from Analog Devices] >>
Smooth operation and high efficiency are behind STMicro's design and development of motor control solutions,covering most standard motor topologies, including DC, AC, Universal, Stepper, SR and...
[from STMicroelectronics] >>
Suggested Components: • Amplifiers and Comparators • Battery Backup Circuits • Gain Setting Resistors • Industrial ADCs • Industrial DACs...
[from Maxim] >>
[MORE SEMICONDUCTOR SOLUTIONS ABOUT AC MOTOR CONTROL]
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AC MOTOR CONTROL: Application Resources
This application note describes how to use the dsPIC30F MCU to control an AC induction motor. This discussion is based on the dsPICDEM motor control system. These systems have electrical isolation...
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Recent advancements in PWM generation and control techniques have been combined with state-of-the-art control algorithms in a pre-programmed solution referred to as the MC3PHAC, which is designed...
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Motor Drive Technical Papers, Applications, Solutions, Design Support
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• Motor Principles • Phase Angle Control • Pulse Width Modulation • Power Topologies
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A single hybrid architecture device incorporating both a Microcontroller (MCU) and a Digital Signal Processor (DSP) offers the peripherals and processing power needed to control electrical motors,...
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The IRMCK201 and IRMCK203 are new integrated circuit devices designed as a one-chip solution for complete closed loop current control and velocity control for high performance AC drive systems....
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Linear current sensing ICs are designed to transfer current sense information from the high-side motor drive circuit to the low-side circuit, so that the information may be processed by ground...
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New 1200-V high voltage integrated circuit technology and design advances enable a whole new class of 3-phase motor drive inverters that set new benchmarks for efficiency, compactness and...
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With the advent of new energy efficiency requirements in motion control applications, 3-phase electric motors have reached broader adoption thanks to the availability of integrated power modules....
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This document will cover the Line Protection Circuitry for the MT9076B device. It does not cover any other aspects of the MT9076B circuitry. The reader should be familiar with the MT9076B data...
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Variable-speed permanent magnet synchronous motor (PMSM) technology provides an energy-efficient alternative to AC induction motors. IR’s iMOTION Integrated Design Platform delivers...
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Applications, Application Solutions, Technology Solutions, Design Support [Several pdf documents]
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[MORE APPLICATION RESOURCES ABOUT AC MOTOR CONTROL]
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AC MOTOR CONTROL: Reference Designs
The key operations of creating an optimum working and living environment requires the control of heating, ventilation and air conditioning. Programmable sensors detect and measure the surrounding...
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International Rectifier offers reference designs for Appliance applications. This reference design kits include fully assembled and tested demo boards along with applicable datasheets, application...
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The general hardware architecture of the reference design kit is based on an Inverter topology suitable to efficiently drive three types of motors: "3 Phase BLDC/AC Permanent Magnet (in...
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International Rectifier offers a number of reference designs for AC Induction or Brushless Motor motion control applications.
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[MORE REFERENCE DESIGNS ABOUT AC MOTOR CONTROL]
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AC MOTOR CONTROL: Web Seminars
In a high electrical noise and hazardous voltage environment of motor control system, designers face challenges in achieving system reliability, accuracy and smooth communication within industrial...
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[MORE WEB SEMINARS ABOUT AC MOTOR CONTROL]
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AC MOTOR CONTROL: Related Articles
This highly integrated 8-bit FLASH microcontroller specifically address the needs of the embedded designer concerned with electronic motion control. A 6-channel, 12-bit Pulse Width Modulator...
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Focusing on home appliance control applications, the 32-bit V850ES/IE2, and the 8-bit uPD78F0711 and 0712 microcontrollers feature both 120° (trapezoidal) and 180° (sinusoidal) control...
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Fairchild Semiconductor provides designers with an easier way to design their motor control, power switch and lighting control applications with random-phase, snubberless triac drive optocouplers.
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This SPM tool is a downloadable, PC Windows (ZIP File) based program that provides step-by-step design procedures for motor drive solutions in home appliances.
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Microchip's 14-pin PIC16F616/610 and the 8-pin PIC12F615/609 microcontrollers can substantially reduce system component counts and costs through the integration of specialized peripherals, such...
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Texas Instruments introduced a family of +/- 70V, fault protected RS-485 transceivers that achieve overvoltage protection with no external termination needed.
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[MORE RELATED ARTICLES ABOUT AC MOTOR CONTROL]
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