Automated electric drive of the mechanism for moving the table of the longitudinal planer

Introduction

Source data

Assignment for the project

1 Choosing the type of electric drive

1.1 Selecting and checking the electric motor

1.1.1 Calculation of the load diagram of the mechanism

1.1.2 Engine pre-selection

1.1.3 Calculation of the engine load diagram

1.2 Checking the engine for heating

2 Selection of the main components of the power unit

2.1 Thyristor converter selection

2.2 Selection of power transformer

2.3 Selection of smoothing reactor

2.4 Schematic diagram of the power section

3 Mathematical model of the power part of the electric drive

3.1 Calculation of system equivalents

3.2 Selection of basic values of the system of relative units

3.3 Calculation of the parameters of the power part of the electric drive in relative units

3.4 Calculation of sensor transmission coefficients

4 Selecting the type of electric drive control system

5 Calculation of the adjustable part of the armature current loop

5.1 Calculation of the parameters of the mathematical model of the current loop

5.2 Implementation of the EMF sensor

5.3 Structural calculation of the EMF sensor and the compensation link

6 Constructive calculation of the current regulator

7 Calculation of the regulating part of the speed loop

7.1 Calculation of the parameters of the mathematical model of the velocity contour

7.2 Structural calculation of the regulating part of the speed loop

8 Calculation of the intensity setter

8.1 Calculation of the parameters of the mathematical model of the intensity setter

8.2 Structural calculation of the intensity setter

Conclusion

Bibliography