Subject 'Electrical Drives'

Year:   2015/2016    2016/2017    2017/2018    2018/2019    2019/2020    

The definition of the Electrical Drive, structural schemes and mechanics of various drives. DC and AC motors, electromechanical characteristics, functions and methods of start up. Speed regulation principles and methods for DC and asynchronous motors. Basic knowledge about transition processes within electrical drives. Losses occurring in electrical drives and their reducing techniques, power calculations for electrical drives working in various operations, selection of suitable drive. Opened and closed control systems for electrical drives. Programmable drives.

To provide knowledge about electrical drives, their construction and operating principles. Provide an overview about electromechanical processes between a power supply, an electrical drive and an operating machine. To introduce selection principles of an electrical drive, according to its load and operational conditions and control methods.

Obtained knowledge about electromechanical processes, taking place in electric drives. Skills, how to choose a suitable electrical drive according to a given application. Knowledge about regulatory options of various electrical drives.

Lectures, tests, practical works.

Kask, R. Elektriajamid: Õppevahend Tallinna Polütehnikumi energeetika õppesuuna õpilastele. TPT Tln., 2009. 201 lk.
• Kask, R. Elektriajamite juhtimine: Õppevahend Tallinna Polütehnikumi energeetika õppesuuna õpilastele. TPT Tln., 2007. 158 lk
• Lehtla, T. Elektriajamid. Tallinn, TTÜ, 2007.
• Laugis, J.; Lehtla, T. Asünkroonajamite sagedusjuhtimine. Tallinn, TTÜ, 1994.

The course ends with an examination. Positively executed tests and practical works are the prerequisites of the exam. The examinee must answer written questions within the framework of lecture material. The final grade will turn out from the average grades of tests, practical works and exam.

2018: AT  

2017: AT  

2016: AT  

2015: AT