Automated electric drive of the ceramic mass mixer

Abstract. 

Content. 

Introduction. 

1 Description of the technological features of the mechanism, its technological characteristics and kinematic scheme. Formation of requirements for EP. Preliminary selection of the electric drive control system. Choice of structure..  

2 Calculation of static characteristics and construction of a high-speed diagram of the mechanism for the cycle of work. Preliminary selection of electric drive. 

3 Calculation and construction of an approximate load and speed diagram of the electric drive. 

4 Overview of the range of equipment of the manufacturer of frequency drive (IF) 

5 Substantiation of the algorithm of interaction "control object - electric motor - frequency drive" and the choice of IF. 

5.1 Selection of peripherals for the IF to perform the control task. Communication with PLC, PC, motor temperature control system, frequency and other peripherals. 

5.2 Selecting a Programmable Logic Controller. 

6 Development of a conceptual electrical diagram..  

7 Calculation of the missing parameters of the electric motor and construction of the mechanical characteristics in the intended areas of operation.  

8 Simulation of the operation of the electric drive as part of the control system. 

The electromechanical time constant of an asynchronous electric drive for the linear part of the mechanical characteristic is determined by the formula: 

9 Selection of the composition of the peripherals of the IF to ensure the conditions of braking electromagnetic compatibility, the operation of the electric motor in switched  conditions

10 Basic IF menu items for setting the engine parameter and start and braking parameters. 

11 Selection of power elements of switching and protection..  

Conclusion. 

List of sources used.