speed control of induction motor pdf
Design and Implementation of a Three-Phase Induction Motor Control Scheme
Ngày tải lên :
27/10/2013, 23:15
... a control strategy that varies the frequency and voltage of the
signal applied to the windings of the induction motor, while controlling the flux created
in the air-gap of the induction motor. ... 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 ... the induction
motor s many advantages are clearly explained. Wildi also presents the two types of
induction motors: “the squirrel cage induction motor and the “wound motor . An
explanation of...
- 93
- 693
- 1
DC bus control of variable speed wind turbine using a buck boost converter
Ngày tải lên :
03/01/2014, 19:15
...
Search rules of the various cases of operation are summarized
in the table I.
Fi
g.4. Operation modes of buck boost converter
2
Unlike constant -speed control, a variable -speed control can ...
Fig.5. Probable displacement of the operating point
between the operating power and the maximum power, in the
event of change of the wind speed, the control of the buck-
boost converter ... control can
adjust the speed of the turbine as the wind speed changes, so
as to operate at the peak of the Cp curve. This will maximize
the power generated for a particular wind speed, as it shown...
- 5
- 574
- 1
Direct torque and indirect flux control of brushless DC motor with non sinusoidal back EMF without position sensor
Ngày tải lên :
03/01/2014, 19:45
...
efficiency control strategies of an induction motor, ” IEEE Trans.
Ind. Appl., vol. 22, no. 5, pp. 820–827, Sep./Oct. 1986.
[2] M. Depenbrock, “Direct self -control of inverter-fed induction
machine,” ... reported to control of
BLDC motor using six-switch three-phase inverter
(SSTPI).
Direct torque control (DTC) scheme was first
proposed by Takahashi [1] and Depenbrock [2] for
induction motor drives ... Conduction
2.1 Principles of the Proposed Method Title Block
Indirect torque control method of BLDC motor
explained in [9] was extended to a direct torque and
indirect flux control technique for...
- 5
- 617
- 2
Direct torque and indirect flux control of brushless DC motor
Ngày tải lên :
03/01/2014, 19:46
... programming-based control of brushless motors,”
IEEE Trans. Control Syst. Technol., vol. 11, no. 1, pp. 139–146, Jan. 2003.
[19] S. J. Kang and S. K. Sul, “Direct torque control of brushless dc motor with
nonideal ... high-efficiency
control strategies of an induction motor, ” IEEE Trans. Ind. Appl., vol. 22,
no. 5, pp. 820–827, Sep./Oct. 1986.
[25] M. Depenbrock, “Direct self -control of inverter-fed induction machine,”
IEEE ... author of the book DSP-Based Electromechanical
Motion Control (CRC Press, 2003), and the Co-Editor of Handbook of Electric
Motors—2nd Edition (Marcel Dekker, 2004).
Dr. Toliyat is a Fellow of the...
- 10
- 627
- 0
Direct torque control of four switch brushless DC motor with non sinusoidal back EMF
Ngày tải lên :
03/01/2014, 19:46
... only the torque is controlled without speed control,
the time range of control system under transient state is
selected short. The motor speeds up to a very large value
if the motor is run longer ... effectiveness of the two-phase
four-switch DTC of a BLDC motor drive in the constant
torque region.
II. T
HE
P
ROPOSED FOUR
-
SWITCH
D
IRECT
T
ORQUE
C
ONTROL OF
BLDC M
OTOR
D
RIVE
A. Principles of ... to control the
stator flux linkage amplitude. On the other hand, rotational
speed of the stator flux linkage can be easily controlled,
therefore fast torque response is obtained. The size of...
- 7
- 616
- 1
Tài liệu Mechatronics DC Motor / Tachometer Closed-Loop Speed Control System ppt
Ngày tải lên :
25/01/2014, 13:20
... angular
speed
ω
c
.
Mechatronics Kevin Craig
DC Motor / Tachometer Closed-Loop Speed Control System 12
7. Control Design
The objective of the exercise is to control the angular speed of the ...
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 10
... Furthermore, the control of AC actuators was a difficult task at that time.
Today, AC motors are also widely used as servo-motors, employing modern methods of phase-
voltage control and frequency control...
- 29
- 724
- 0
Tài liệu CONTROL OF ORGANIC COMPOUND EMISSIONS FROM CHEMICAL, COATINGS AND RUBBER PRODUCTS MANUFACTURING pdf
Ngày tải lên :
14/02/2014, 08:20
... either of the following occur:
(a) All of the control device is replaced.
(b) The cost of repair of the control device or the cost of
replacement of part of the control device exceeds 50% of the ... control device exceeds 50% of the cost
of replacing the entire control device with a control device that is
capable of complying with the respective requirement of s.
NR
440.675 (3)
, 440.686 (3), ... documentation is to
include a description of the equipment that leaked, date of detec-
tion, date of repair, dates of follow−up inspection, and an explana-
tion of what caused the leak. This documentation...
- 6
- 434
- 0