three phase induction motor speed control circuit

... designed to control a brush-less DC motor. However, by constructing a feedback loop that can detect the outputs of an induction motor, we can use this motor controller to control an induction ... compatible voltage supply for the motor controller that will be used for this thesis. ã Induction motor. Three- phase, 0.5kW, 4-pole machine. This induction motor is only used for the prototype ... for a three- phase induction motor drive. This induction motor drive is proposed to be incorporated into a “hybrid car” or an “electric car”. 1.2. Available resources ã Motor controller...

Ngày tải lên: 27/10/2013, 23:15

Ngày tải lên: 18/12/2013, 22:06

Ngày tải lên: 18/12/2013, 09:10

... 38, NO. 3, MAY/JUNE 2002 A Neural-Network-Based Space-Vector PWM Controller for a Three- Level Voltage-Fed Inverter Induction Motor Drive Subrata K. Mondal, Member, IEEE, João O. P. Pinto, Student ... algorithm in the MATLAB Neural Network Toolbox. The performance of an open-loop volts/Hz speed- controlled induction motor drive has been evaluated with the ANN-based modulator and compared with that ... to a vector-controlled drive, and its performance can be extended to the overmodulation region. Index Terms Induction motor drive, neural network, space-vector pulsewidth modulation, three- level...

Ngày tải lên: 22/12/2013, 08:16

... Block scheme of FL controller, (b) control surface of con- ventional PI controller, (c) control surface of FL controller; comparison of current-tracking performance with PI and FL controller: (d) ... Stationary Controller PI The stationary controller, also called the ramp comparison current controller, uses three PI error compensators to produce the voltage commands for a three- phase sinu- soidal ... “Improved digital control scheme of three phase UPS inverter using double control strategy,” in Proc. APEC’97, 1997, pp. 820–824. [23] J. W. Choi and S. K. Sul, “New current control concept—Minimum time...

Ngày tải lên: 03/01/2014, 19:45

... f o c ontains the link voltage nk control i s T he control o discrete sy s Figur e t rol strategy s in [1], [2], o r three pha s current mi n control loo p s intended s i f the VSI is s tem ... d e f or three ph a a nd extende F igure 2. It c a nd the DC w ell as dc li summary. T d escribe the e ad beat con t a se inverter s d to mach f o c ontains the link voltage nk control ... h a t control me t h e output vo l i ght hand su b d o lled e o f g e is a nd t hod l tage b [11] F. Al-Hosini, ABB Corporate Research, Sweden, "An Aproximate Dead-Beat Control...

Ngày tải lên: 19/01/2014, 02:20

... root-locus domain. Mechatronics Kevin Craig DC Motor / Tachometer Closed-Loop Speed Control System 24 Mechatronics DC Motor / Tachometer Closed-Loop Speed Control System 1. Introduction This ... well-behaved speed- torque characteristics, and adaptability to various types of control methods. DC motors are classified as either integral-horsepower motors (≥ 1 hp) or fractional-horsepower motors ... power amplifier. Motor speed is measured using an analog tachometer. Figure 2. Physical System Mechatronics Kevin Craig DC Motor / Tachometer Closed-Loop Speed Control System 5 ...

Ngày tải lên: 25/01/2014, 13:20

... of a three- phase machine is utilised. A single phase alternator utilises only tw o thirds of the stator slots. 2 A three- phase alternator has a better distribution factor. 3 A three- phase, ... that from a single -phase machine. 6 A three- phase supply produces a rotating magnetic fi eld; whereas a single -phase supply produces only a pulsating fi eld. 7 Three- phase motors are inherently ... inherently self-starting; whereas single -phase motors are not. 8 The torque produced by a three- phase motor is smooth; whereas that produced by a single -phase motor is pulsating. CH003-H8747.indd...

Ngày tải lên: 03/04/2014, 20:52

... short circuits 19 5.1 Calculation method 19 5.1.1 Initial symmetrical short -circuit current 19 5.1.2 Peak short -circuit current, symmetrical short -circuit breaking current and steady-state short -circuit ... travers la terre Short -circuit currents in three- phase a.c. systems – Part 3: Currents during two separate simultaneous line-to-earth short circuits and partial short- circuit currents flowing ... COMMISSION ___________ SHORT -CIRCUIT CURRENTS IN THREE- PHASE AC SYSTEMS – Part 3: Currents during two separate simultaneous line-to-earth short circuits and partial short -circuit currents flowing...

Ngày tải lên: 04/04/2014, 11:58

... closed loop control of a drive system consisting of matrix converter and induction machine. Slip control and field oriented control are the basic methods applied for closed loop control [4]. ... University Karlsruhe, Germany 2002. [5] L. Huber, D. Borojevič, “Space Vector Modulated Three- Phase to Three- Phase Matrix Converter with Input Power Factor Correction”, IEEE Trans. on Ind. Applic., ... Converters in Direct Torque Control of Induction Machines,” IEEE Trans. Ind. Electron., vol. 48, pp. 1057-1064, December 2001. [10] M. Depenbrok, “Direct Self -Control (DSC) of Inverter-Fed Induction Machine”,...

Ngày tải lên: 13/05/2014, 00:55

Ngày tải lên: 03/07/2014, 07:20

Ngày tải lên: 12/09/2013, 22:38

Ngày tải lên: 15/10/2013, 16:10

... ship's automation is the three stages of main engine control, which denote hand control, central control and bridge control respectively. The hand control means controlling a main engine by ... emergency control if both the central control and the bridge control should go wrong. The central control is to be realized from the centralized control room, whereas the bridge control may ... Hereinbelow, we shall go into the details of the three- stage M. E. control one by one. 1. Hand Control By the hand control, the function of the remote control maneuvering console is the same as...

Ngày tải lên: 28/10/2013, 08:15

Ngày tải lên: 17/12/2013, 14:15

Ngày tải lên: 17/12/2013, 18:06

Ngày tải lên: 24/12/2013, 11:32

Ngày tải lên: 28/12/2013, 22:07