... 3.1. The basic control format In essence, we are endeavoring to design a controller that can vary the torque induced in the rotor of the motor. To do this, the induction motor controller will ... for an induction motor An induction motor is an asynchronous AC (alternating current) motor. The least expensive and most widely used induction motor is the squirrel cage motor. The major ... loop that can detect the outputs of an induction motor, we can use this motor controller to control an induction machine. ã TMS320F243 DSP controller. This is manufactured by the Texas Instruments...
Ngày tải lên: 27/10/2013, 23:15
iec 60534-3_1 industrial process control valves - dimensions
Ngày tải lên: 25/12/2013, 11:08
Motor control sensor feedback circuits
... stable, reliable and cost-effective control system. Further details on motor control circuits and sensors are provided in several books, including Motor Control Electronics” (10). In addition, ... conditions that may damage the motor. As an example, Figure 1 pro- vides a block diagram of a DC motor control system to show the sensor feedback provided for a typical motor control. A list of the sensors ... control for a Brushless Direct Current (BLDC) motor that uses discrete comparator circuits. FIGURE 13: Block Diagram of a Sensorless BLDC Motor Control. 3-Phase Inverter Bridge PIC18FXX31 PWM5 PWM4 PWM3 PWM2 PWM1 PWM0 A C B V REF_A BACK...
Ngày tải lên: 03/01/2014, 18:55
Tài liệu INDUSTRIAL SERVO CONTROL SYSTEMSFS doc
... Valves and Controls: Selection and Application, John J. Pippenger 5. Fluid Power Design Handbook, Frank Yeaple 6. Industrial Pneumatic Control, Z. J. Lansky and Lawrence F. Schrader, Jr. 7. Controlling ... Reserved Marcel Dekker, Inc. New York ã Basel TM INDUSTRIAL SERVO CONTROL SYSTEMS Fundamentals and Applications GEORGE W. YOUNKIN Industrial Controls Consulting, Inc. Fond du Lac, Wisconsin, ... Electric Drive Sizing 14 Adjusting Servo Drive Compensation 14.1 Motor and Current Loop 14.2 Motor/ Current Loop and Position Loop 14.3 Motor/ Current Loop with a Velocity Loop 14.4 PI Compensation 14.5...
Ngày tải lên: 19/02/2014, 05:20
Brushless DC Motor Control Made Easy potx
... Notes: Sensorless brushless motor control * ; * ; Closed loop 3 phase brushless DC motor control. * ; Two potentiometers control operation. One potentiometer (A0) * ; controls PWM (voltage) and ... with our motor, lets consider what happens when a voltage is applied to a DC motor. A greatly simplified electrical model of a DC motor is shown in Figure 5. FIGURE 5: DC MOTOR EQUIVALENT CIRCUIT When ... consists of one motor terminal driven high, one motor terminal driven low, and one motor ter- minal left floating. A simplified drive circuit is shown in Figure 3. Individual drive controls for...
Ngày tải lên: 30/03/2014, 07:20
motor control centers
... 47 Combination Motor Control Units Motor control centers principally contain combination motor control units. A combination motor control unit takes all the elements required to control an AC motor ... Utility Outdoor Feeder Busway Basic Motor Control Wherever motors are used, they must be controlled. In Basics of Control Components you learned how various control products are used to control the operation of motors. ... Contents Introduction 2 Motor Control 4 Power Supplies 8 Design Standards 12 Need for Circuit Protection 13 Motor Control Centers 21 tiastar MCC Construction 32 tiastar Arc Resistant MCC 43 Combination Motor Control...
Ngày tải lên: 04/04/2014, 10:25
IEC 60534 6 1 industrial process control valves mounting details for attachment of positioners
... Photometric analyzers. 61285 (1994) Industrial- process control – Safety of analyzer houses. 61297 (1995) Industrial- process control systems – Classification of adaptive controllers for the purpose of ... use in industrial- process control systems. 60877 (1986) Procedures for ensuring the cleanliness of industrial- process measurement and control equipment in oxygen service. 60902 (1987) Industrial- process ... industrial- process control systems. 60770-2 (1989) Transmitters for use in industrial- process control systems – Part 2: Guidance for inspection and routine testing. 60801: — Electromagnetic compatibility for industrial- process measurement...
Ngày tải lên: 04/04/2014, 11:29
IEC 60534 6 2 industrial process control valves mounting details for attachment of positioners
... ``````-`-`,,`,,`,`,,` 60534-6-2 â IEC:2000 5 INDUSTRIAL- PROCESS CONTROL VALVES Part 6-2: Mounting details for attachment of positioners to control valves – Positioner mounting on rotary actuators 1 ... 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION INDUSTRIAL- PROCESS CONTROL VALVES – Part 6-2: Mounting details for attachment of positioners to control valves – Positioner mounting on rotary actuators FOREWORD 1) ... des positionneurs sur les actionneurs rotatifs Industrial- process control valves – Part 6-2: Mounting details for attachment of positioners to control valves – Positioner mounting on rotary actuators ...
Ngày tải lên: 04/04/2014, 11:29
IEC 60534 7 industrial process control valves data sheet
... in industrial control systems. Procedures for ensuring the cleanliness of indus- trial-process measurement and control equip- ment in oxygen service. Industrial- process measurement and control. ... the performance of trans- mitters for use in industrial- process control sys- tems. 770-2 (1989) Transmitters for use in industrial- process control systems, Part 2: Guidance for inspection ... process control systems. 534: - Vannes de régulation des processus industriels. 381 : - Analogue signals for process control systems. 381-1 (1982) 382 (1971) 534: - Industrial- process control...
Ngày tải lên: 04/04/2014, 11:30
IEC 60534 8 1 industrial process control valves noise considerations
... O IEC 1986 -7- INDUSTRIALPROCESS CONTROL VALVES Part 8: Noise considerations Section One - Laboratory measurement of noise generated by aerodynamic flow through control vaIves This ... vanne de régulation Industrial- process control valves Part 8: Noise considerations Section One - laboratory measurement of noise generated by aerodynamic flow through control valves O ... vanne de régulation Industrial- process control valves Part 8: Noise considerations Section One - Laboratory measurement of noise generated by aerodynamic flow through control valves O...
Ngày tải lên: 04/04/2014, 11:31
IEC 60534 8 2 industrial process control valves noise considerations
... Standards. IEC 534-1 : 1987, Industrial- process control valves - Part 7: Control valve terminology and general considerations. IEC 534-2-3: 1983, Industrial- process control valves - Part ... 534-8-2 O IEC -7- INDUSTRIAL- PROCESS CONTROL VALVES Part 8: Noise considerations Section 2: Laboratory measurement of noise generated by hydrodynamic flow through control valves 1 ... procedures. IEC 534-8-4, Industrial- process control valves - Part 8: Noise considerations - Section Four: Prediction of noise generated by hydrodynamic flow through control valves (under...
Ngày tải lên: 04/04/2014, 11:32
IEC 60534 8 4 industrial process control valves noise considerations
Ngày tải lên: 04/04/2014, 11:33
IEC 60534 8 1 industrial process control valves noise considerations
Ngày tải lên: 04/04/2014, 13:00