speed control of single phase induction motor using microcontroller 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. ... 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
Company and is one of ... 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...
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Chapter 9 unbalanced operation and single phase induction machines
Ngày tải lên :
16/02/2014, 18:48
... single- phase induction
motor.
Figure 9.8-4. Average steady-state torque versus speed characteristics of a capacitor-start
single- phase induction motor.
UNBALANCED STATOR CONDITIONS OF INDUCTION ... speed exceeds a predetermined value of generally
between 3% and 5% of synchronous speed of the rotor.
SINGLE- PHASE INDUCTION MACHINES 367
Figure 9.8-5. Free-acceleration characteristics of ... capacitor-start to single- phase operation at 75% of
synchronous speed is illustrated.
The free acceleration characteristics of the example capacitor-start single- phase
induction motor are shown...
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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
... 0.00785 0.7452 0.01235
Real Pressure at 112971m of the end of pipeline is 6970 kPa
Table 3.5. Summary of numerical results of oulet pressure p
2
Results of outlet pressure and its differences with ...
Real Pressure at 112971m of the end of pipeline is 7730 kPa
The results with input data - sample 2 in table 3.1 along the associated gas pipeline of flow
equations of Weymouth, Panhandle A, ...
Real Pressure at 112971m of the end of pipeline is 7040 kPa
The results with input data - sample 3 in table 3.1 along the associated gas pipeline of flow
equations of Weymouth, Panhandle A,...
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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...
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Báo cáo y học: "Control of hyperuricemia in subjects with refractory gout, and induction of antibody against poly(ethylene glycol) (PEG), in a phase I trial of subcutaneous PEGylated urate oxidase" potx
Ngày tải lên :
09/08/2014, 07:20
... course of oral pred-
nisone. Six subjects developed gout flares during the 21-day
period of observation after injection of PEG-uricase.
Discussion
Efficacy of PEG-uricase
In this first phase I ... region
of the chromatogram to calculate the amount (pmol) of
14
C-
labeled product formed. The rate of urate oxidation in milliunits
per ml of plasma is then calculated (1 unit = 1 àmol of urate
oxidized ... http://arthritis-research.com/content/8/1/R12
Page 1 of 10
(page number not for citation purposes)
Vol 8 No 1
Research article
Control of hyperuricemia in subjects with refractory gout, and
induction of antibody against poly(ethylene...
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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
...
effectiveness of the sensorless three -phase conduction
DTC of a BLDC motor drive with six-switch inverter.
2. The Proposed Sensorless DTC of Four-Switch
BLDC Motor Drive Using Three -Phase Conduction ...
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,” ... three -phase
conduction DTC of BLDC motor drive with six-switch inverter
scheme.
Keywords: Brushless dc (BLDC) motor, sliding mode
observer, direct torque control (DTC), stator flux control, ...
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