various methods of speed control of 3 phase induction motor

... Field Orientated Control using SIMULINK……… 28 6.2.2 The Current Controller……………………………… 32 6.2 .3 The Motor Model…………………………………… 32 Simulation of the MATLAB design……………… 34 6 .3. 1 Speed response analysis…………………………… ... Figure 3. 2 – The existing motor controller board Figure 3. 3 – The current sensing module Figure 4.1 – The per phase representation of an Induction motor in steady state Figure 4.2 – The torque /speed ... the x-axis Usually, the speed operation of the motor has an upper limit that is equal to the rated speed of the motor Operation of the induction motor above the rated speed affects the drive...

Ngày tải lên: 27/10/2013, 23:15

... deflection 3- phase composite Concentrate force 1kN 3kN 6kN 10kN Ultimate deflection 7,6 8,1 6,57 6,0 6,5 8 ,33 14,2 15 ,3 7,75 12 ,3 13, 4 8,94 20,8 22,2 6, 73 19,2 21,0 9 ,30 32 ,4 34 ,2 5,56 29,0 31 ,6 8,96 34 ,3 ... 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 ...  + I 2ψ = + + A55 ∂y A44 ∂x ∂x∂y   (3) 1 43 N.D Duc, D.K Minh / VNU Journal of Science, Mathematics - Physics 26 (2010) 141-145 The set of equation (3) is the basic set to determine the plate’s...

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Ngày tải lên: 28/09/2015, 13:38

... SIMOSTEP 1FL3061 10 Nm 4.1 A SIMOSTEP 1FL3062 15 Nm 4.8 A Figure 1-1 Reference literature Order number 1FL3041-0AC310BG0 1FL3042-0AC310BG0 1FL30 43- 0AC310BG0 1FL3061-0AC310BG0 1FL3062-0AC310BG0 FM-STEPDRIVE ... following 3- phase stepping motors: Table 1-1 SIMOSTEP series stepping motors Motor type Nominal torque Nominal current SIMOSTEP 1FL3041 Nm 1.8 A SIMOSTEP 1FL3042 Nm 2.0 A SIMOSTEP 1FL30 43 Nm 2 .3 A ... specifications 3- 1 3. 1 Electrical data 3- 2 3. 2 Mechanical data .3- 5 3. 3 Ambient conditions 3- 5 3. 4 Applicable standards, regulations, laws 3- 6 Signal description...

Ngày tải lên: 21/11/2013, 13:45

... Most of these appliances run on single -phase ac induction motors less than ½ horsepower And most of those motors lack a proper motor controller in order to run the motor more efficiently Motors ... more efficiently by varying the speed of the motor to match the load Motors are rated to operate best at full load A motor controller that can vary the speed of the motor automatically as the load ... frequency control part of the operation is verified experimentally The application for this ac motor controller is existing single -phase ac induction motors less than ½ hp The ac motor controller is a...

Ngày tải lên: 17/12/2013, 18:06

... Đặc tính phần tư Đặc tính tải Thêm Radd nối tiếp cuộn dây phần ứng Example 1: Example 2: Example 3: Đặc tính động DC kích từ nối tiếp Example 4: Example 5: ...

Ngày tải lên: 17/12/2013, 14:15

... 23 26 26 28 29 31 33 37 45 49 49 51 53 58 XII 3. 1 3. 1.1 3. 1.2 3. 2 3. 2.1 3. 2.2 3. 3 3. 3.1 3. 3.2 3. 4 3. 4.1 3. 4.2 3. 5 3. 6 3. 6.1 3. 6.2 3. 6 .3 3.6.4 3. 7 4.1 4.2 4 .3 4 .3. 1 4 .3. 2 4.4 4.4.1 4.4.2 4.4 .3 ... decoupling for DFIM References 287 288 289 2 93 295 295 298 30 0 30 1 30 1 30 3 30 4 30 5 30 8 30 9 31 0 31 2 31 4 31 5 31 5 31 6 31 6 31 9 32 3 XVI 12 12.1 12.2 12 .3 12.4 12.5 Table of Contents Appendices Normalizing - ... in the section 3. 1.2 Application of the method of the least squares regression Definition and calculation of Lie derivation References 32 5 32 5 Index 33 7 32 8 33 0 33 4 33 5 Principles of vector orientation...

Ngày tải lên: 18/12/2013, 09:10

... e Simulation and Speed Control of Induction Motor Drives 2012 CHAPTER ANALYSIS OF VARIOUS METHODS FOR SPEED CONTROL OF IM The various methods of speed control of 3-  Induction motor are as under: ... 3-  induction motor Figure 2.2: Per phase approximate equivalent circuit of a 3-  induction motor Figure 3. 1: SIMULINK model of a 3-  Induction motor Figure 3. 2: Parameters of 3-  induction motors ... Fig 3. 38 32 | P a g e Simulation and Speed Control of Induction Motor Drives 2012 Figure 3. 43: Torque -Speed Characteristics for machine parameters as in Fig 3. 38 33 | P a g e Simulation and Speed...

Ngày tải lên: 18/12/2013, 22:06

... changes to the inherited permissions Note When a Windows Server 20 03 computer is promoted to a domain controller, an additional set of permissions is applied If you need to return to the settings ... Server 20 03 root ACL Notice that this template can also be used to apply similar settings to the root of other disks Figure 9.12: Opening the Security Configuration Database Figure 9. 13: The Open ... copy of the default template(s), introduce officially approved changes into it, and maintain these copies as well as default security templates Proceeding in such a way, you'll have a backup of...

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... that is, the number of ads, the length of ads and when they are put on the air -Web papers: You probably would not have seen this means of advertising on a list of advertising methods if you had ... stakeholders with information so make the most of your messages 1 .3 The best kind of advertising: The best kind of advertising is probaly what is known as words of mouth advertising, which occurs when ... categories of services, and the name of your business is descriptive of your services and/or your ad stands out (for example, is bolded, in a large box on the page, etc.) The phone company will offer...

Ngày tải lên: 15/04/2013, 14:02