single phase motor speed control circuit diagram
Tài liệu Mechatronics DC Motor / Tachometer Closed-Loop Speed Control System ppt
... A schematic diagram of a DC motor is shown in Figure 6. Figure 6. Schematic Diagram of a DC Motor Mechatronics Kevin Craig DC Motor / Tachometer Closed-Loop Speed Control System ... Craig DC Motor / Tachometer Closed-Loop Speed Control System 11 The DC motor/ tachometer system has a single input and a single output. The input is the voltage applied across the two motor terminals. ... 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...
Ngày tải lên: 25/01/2014, 13:20
bài giảng-vhdl - Very High speed integrated circuit Description Language
Ngày tải lên: 12/09/2013, 22:38
Single phase uninterruptible power supply based on z source inverter
... D. Lorenz, Control topology options for single- phase UPS inverters,” IEEE Trans. Ind. Appl., vol. 33, no. 2, pp. 493–501, Mar./Apr. 1997. [16] P. Mattavelli, “An improved deadbeat control for ... 28–38, Spring 2007. [7] P. K. Jain, J. R. Espinoza, and H. Jin, “Performance of a single- stage UPS system for single- phase trapezoidal-shaped AC-voltage supplies,” IEEE Trans. Power Electron., vol. ... Mar. 19–23, 2006, pp. 348–354. [9] C H. Lai and Y Y. Tzou, “DSP-embedded UPS controller for high- performance single- phase on-line UPS systems,” in Proc. 28th IEEE Annu. Conf. Ind. Electron. Soc.,...
Ngày tải lên: 03/01/2014, 19:12
Tài liệu Speed Control SPC GAS SPRINGS, cushioned pptx
... Overview of Gas Springs 2 . 21369 . 2007 . 1 Speed Control TM ô SPC Gas Springs, cushioned 2486.12. FIBRO SPC Gas Springs Speed Control TM ô are designed to reduce or eliminate the ... caused by the increased return travel speed in high speed presses (link drive presses). SPC Gas Springs feature an integral return travel delay which reduces the speed of the gas spring to 0.4 m/s ... 2 . 21370 . 2007 . 1 3 Speed Control TM ô SPC Gas Springs, 2486.12. cushioned subject to alterations Force in daN at Piston...
Ngày tải lên: 22/01/2014, 02:20
Chapter 9 unbalanced operation and single phase induction machines
... Open-Circuited Stator Phase For the purpose of analyzing an open-circuited stator phase, which is equivalent to single- phase operation, let us consider the stator circuits of a three -phase, ... SINGLE- PHASE INDUCTION MACHINES 367 Figure 9.8-5. Free-acceleration characteristics of a capacitor-start single- phase induction motor. Figure 9.8-4. Average steady-state torque versus speed ... r abcr e r0 αβ ωω ωω cos( ) sin( ) (9.6-3) SINGLE- PHASE INDUCTION MACHINES 359 out of phase when the phases are connected to the same single- phase source. This provides a starting torque,...
Ngày tải lên: 16/02/2014, 18:48
HOBBYKING BRUSHLESS ELECTRONIC SPEED CONTROL FOR CAR OR TRUCK potx
Ngày tải lên: 16/03/2014, 12:20
Single phase fully controlled rectifier
... 50 mH. The motor is supplied from a single phase fully controlled converter operating from a 230 V, 50 Hz, single phase supply with a firing angle of α = 30°. At what speed the motor will supply ... IIT, Kharagpur 23 10.2 Single phase fully controlled halfwave rectifier 10.2.1 Resistive load Fig.10. 1(a) shows the circuit diagram of a single phase fully controlled halfwave rectifier ... a single phase fully controlled converter the _________ of an uncontrolled converters are replaced by ____________. ii) In a fully controlled converter the load voltage is controlled by controlling...
Ngày tải lên: 14/05/2014, 22:32
Single phase uncontrolled rectifier
... discussed. Version 2 EE IIT, Kharagpur 8 Fig 9.2 shows the circuit diagram and the waveforms of a single phase uncontrolled half wave rectifier. If the switch S is closed at at t = ... Kharagpur 34 Version 2 EE IIT, Kharagpur 26 Fig 9.6 shows the circuit diagram and waveforms of a single phase split supply, uncontrolled full wave rectifier supplying an R – L load. The split ... Version 2 EE IIT, Kharagpur 13 The split supply full wave single phase rectifier offers as good performance as possible from a single phase rectifier in terms of the output voltage form factor...
Ngày tải lên: 14/05/2014, 22:33
M4 Macros for Electric Circuit Diagrams in LATEX Document
... processing the diagram by L A T E X. Although they are not needed for many circuit diagrams, these sizes may be required explicitly for calculations or implicitly for determining the diagram bounding ... case for producing circuit diagrams is to read pstricks.m4 or pgf.m4 first when dpic is the postprocessor or to set one of these as the default configuration file. At the top of each diagram source, ... solution is to process the diagram twice. The diagram source is processed as usual by m4 and a pic processor, and the main document source is L A T E Xed to input the diagram and format the text,...
Ngày tải lên: 23/05/2014, 10:53
báo cáo hóa học:" Scan speed control for tapping mode SPM" docx
... the step height equal to 25 nm. At a constant speed of 30 àm/s (a), with a dynamic control (b), and with a dynamic control and at a variable speed (c). Figure 2. Comparative line traces for ... K τ . As a result, the speed of a closed-loop control system (that is, without loss of surface) is determined by the time constant 0 0 i G K τ . Feedback speed, the speed of the actuator, ... dynamic controller on ‘parachuting’ regions. Furthermore, we propose to use variable scan speed on ‘upward step’ regions, with the speed determined by the error signal of the closed-loop control. ...
Ngày tải lên: 21/06/2014, 17:20
Single Phase Motors pptx
... has run up to 75% of full speed. m Φ m Φ aΦ Split Phase Principle Single Phase Motors ã Similar to a 3 phase induction motor with squirrel cage rotor and main stator windgs. Main wndgs Start ... are out of phase a resultant rotating field is created ã A centrifugal switch disconnects the Aux. wndg from the supply after it has run up to 75% of full speed. m Φ m Φ aΦ Split Phase Principle ... Starting Torque in Single phase motor ã To produce a starting torque a rotating magnetic field must be produced. ã This...
Ngày tải lên: 27/06/2014, 19:20
Báo cáo nghiên cứu khoa học: "NUMERICAL MODEL OF SINGLE PHASE TURBULENT FLOWS FOR CALCULATION OF PRESSURE DROP ALONG GAS PIPELINES " doc
Ngày tải lên: 22/07/2014, 10:21
Design and Implementation of a Three-Phase Induction Motor Control Scheme
... 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 ... 6.10. The speed response of the control system where the proportional gain of the speed controller is increased As you can see, the transient response is faster as it follows the speed command...
Ngày tải lên: 27/10/2013, 23:15