speed+control+of+3+phase+induction+motor+pdf

... 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 ... Design………………………………. 9 3. 1. The basic control format…………………………… 9 3. 2. The existing motor controller……………………… 10 3. 3. Current sensing module……………………………… 11 3. 4. The speed sensor……………………………………...

Ngày tải lên: 27/10/2013, 23:15

Ngày tải lên: 18/12/2013, 22:06

... Thêm R add nối tiếp cuộn dây phần ứng Example 1: Example 2: Example 3: nh lut Bio-Savart: nh lut Faraday: ( ) BlIeF r r r ì= () l.Bve r r r ì= ...

Ngày tải lên: 17/12/2013, 14:15

Ngày tải lên: 17/12/2013, 18:06

Ngày tải lên: 18/12/2013, 09:10

... 6,57 7,75 6, 73 5,56 - Experiment * 6,0 12 ,3 19,2 29,0 33 ,0 Analysis 6,5 13, 4 21,0 31 ,6 - 20%TiO 2 + 20%W800 + 60% AKAVINA polyester (sample type B) Error % 8 ,33 8,94 9 ,30 8,96 - Note: ... )            =+       ∂∂ ∂ + + ∂ ∂ + ∂ ∂ − ∂∂ ∂ ++ ∂ ∂ =+       ∂∂ ∂ + + ∂ ∂ + ∂ ∂ − ∂∂ ∂ ++ ∂ ∂ −= ∂ ∂ + ∂ ∂ 0 12 2 0 12 2 2 2 55 1 2 2 44 2 2 44 1 32 3 ,1 3 3 2 2 44 1 2 2 55 2 2 55 1 32 3 ,1 3 3 2 ψ ψψψ ϕ ϕϕϕ ψϕ I yxA DD xA D yA D I hyx w DD y w D I yxA DD yA D xA D I hyx w DD x w D hI z yx xyxyy yxy xyxyy yxx (3) ... bending deflection 3- phase composite Concentrate force Deflection (mm) 1kN 3kN 6kN 10kN Ultimate deflection Experiment * 7,6 14,2 20,8 32 ,4 34 ,3 Analysis 8,1 15 ,3 22,2 34 ,2 - 10%TiO 2 ...

Ngày tải lên: 14/03/2014, 13:20

... health professionals, the private sector, and the public. Copyright 2010 by the National Academy of Sciences. All rights reserved. 500 Fifth Street, NW Washington, DC 20001 TEL 202 .33 4. 235 2 FAX ... Staff Study Sponsors The Centers for Disease Control and Prevention The Department of Health and Human Services Of ce of Minority Health The Department of Veterans Affairs The National Viral Hepatitis ... Ashbel Smith Professor and Dean Emeritus, University of Texas, School of Public Health, Houston, Texas Harvey J. Alter Chief, Infectious Diseases Sec- tion, Department of Transfusion Medicine,...

Ngày tải lên: 22/03/2014, 17:20

... one of the concerns that comprise the mix of water quality policy issues. Also, the Control of water pollution from agriculture 37 Chapter 3 Fertilizers as water pollutants E UTROPHICATION OF ... above. E CONOMICS OF CONTROL OF FERTILIZER RUNOFF Nutrient loss is closely associated with rainfall-runoff events. For phosphorus, which tends to be associated with the solid phase (sediment), runoff losses ... impacts Salt content of major rivers exceeds standard by factors of 2 -3. Contamination of agricultural products with agro-chemicals. High levels of turbidity in major water sources. High levels of pesticides...

Ngày tải lên: 29/03/2014, 14:20

... )            =+       ∂∂ ∂ + + ∂ ∂ + ∂ ∂ − ∂∂ ∂ ++ ∂ ∂ =+       ∂∂ ∂ + + ∂ ∂ + ∂ ∂ − ∂∂ ∂ ++ ∂ ∂ −= ∂ ∂ + ∂ ∂ 0 12 2 0 12 2 2 2 55 1 2 2 44 2 2 44 1 32 3 ,1 3 3 2 2 44 1 2 2 55 2 2 55 1 32 3 ,1 3 3 2 ψ ψψψ ϕ ϕϕϕ ψϕ I yxA DD xA D yA D I hyx w DD y w D I yxA DD yA D xA D I hyx w DD x w D hI z yx xyxyy yxy xyxyy yxx (3) N.D. Duc, ... modules for 3- phase composite plate The elastic modules for 3- phase composite are calculated step by step by 2 -phase model as in [5,6,8]. We also carried out the experiments for 3- phase composite’s ... elastic modules for 3- phase composite with different volume ratio of fiber and particle. Our purpose in this paper is to continue the experiments, for the bending of 3- phase composite plates...

Ngày tải lên: 21/07/2014, 16:21

... Shift of a set of poles with minimum dispersion 454 Analysis and Control of Linear Systems detect the dominant modes (good degree of controllability/observability, etc; see also section 14 .3. 3). ... the level of eigenvector placement which offers more degrees of freedom. 452 Analysis and Control of Linear Systems 14.2.2.7. Summarization The analysis of the time behavior of a controlled ... Bu  y z  =  C U  x +  D 0  u [14 .38 ] 460 Analysis and Control of Linear Systems 14.4.2. Choice of eigenvectors of the closed loop The solution sub-space of [14.5] or [14.9] is of size 2 m. Hence, it is...

Ngày tải lên: 09/08/2014, 06:23

... saccadic adaptation. Vision Res 1995 ;35 : 34 39 34 50. 105 Eggert T, Kapoula Z: Position dependency of rapidly induced saccade disconjugacy. Vision Res 1995 ;35 :34 93 35 03. 106 Kapoula Z, Eggert T, Bucci ... analysis of vergence movements at various levels of elevation. Exp Brain Res 1994;101 :33 1 34 5. 42 Tweed D: Visual -motor optimization in binocular control. Vision Res 1997 ;37 :1 939 –1951. 43 Bruno ... aspects of vertical phoria adaptation. Vision Res 19 93; 33: 73 84. 93 Schor CM, McCandless JW: An adaptable association between vertical and horizontal vergence. Vision Res 1995 ;35 :35 19 35 27. 94...

Ngày tải lên: 10/08/2014, 03:20

Ngày tải lên: 11/08/2014, 04:20

Ngày tải lên: 12/08/2014, 18:21

... reduces the setpoint of the pump speed controller and reduces the opening of the control valve on the filtrate stream. 4.25. There are two ways to control the idling speed of a gasoline engine: ... these ideas later. 4 .3 COklPUTED VARIABLE CONTROL One of the most logical and earliest extensions of conventional control was the idea of controlling the variable that was of rea’l interest ... band of the controller is 75 and the pressure in the sterilizer suddenly drops by 5 psi, calculate the instantaneous value of the controller output and the new value of the steam flow rate. 3. 33. ...

Ngày tải lên: 24/07/2014, 07:21

... were of no clinical significance. It is interesting that naturally occurring anti-PEG antibodies were detected in about 0.2% of healthy blood donors and 3. 3% of untreated allergic patients [33 ]. From ... monomethoxypolyethylene glycol. Transfer of tolerance by T cells and by T cell extracts. J Immunol 1987, 139 :32 6 -33 1. 35 . Chen Y, Takata M, Maiti PK, Rector ES, Sehon AH: Characteriza- tion of suppressor T cell ... Cancer Res 2004, 10: 533 5- 534 1. 30 . Caliceti P, Schiavon O, Veronese FM: Immunological properties of uricase conjugated to neutral soluble polymers. Bioconjug Chem 2001, 12:515-522. 31 . Richter AW,...

Ngày tải lên: 09/08/2014, 07:20

Ngày tải lên: 15/10/2013, 16:10

Ngày tải lên: 17/12/2013, 14:15

Ngày tải lên: 17/12/2013, 14:15