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Subject 'Electrical Apparatus'

Name in Estonian: Elektriaparaadid

Year:   2017/2018    2018/2019    2019/2020    2020/2021    2021/2022    

State codeMET237
Study languageEstonian
ChairElektritehnika
Credit points 3 ECTS
Grading method Grade prelim

General description

Definition of Electrical Apparatus, types, classification and fields of usage. Requirements for electrical apparatus. Physical processes in electrical apparatus, the electric arc.

Low Voltage Apparatus:
protection devices:
fuses, circuit breakers, overload protection devices, residual current devices, surge arresters, switches, contactors, relays.

Medium and high voltage switchgear:
disconnectors, short circuits, high-voltage switches and circuit breakers, fuses, reactors. Construction and operating principles of high-voltage apparatus.

General aim

Provide an overview of main physical processes occurring in electrical apparatus, construction, operation principles and field of usage. Give knowledge and skills for electrical equipment selection, installation, and practical use.

Aim

The course provides knowledge about general requirements for electrical safety and electrical protection principles, also about the most important physical processes occurring in electrical apparatus. Gives information about the construction and operation principles of electrical devices. The graduate acquires knowledge how to choose and use electrical apparatus according to the purpose and technical parameters.

Form description

Lectures, tests, practical works.

Evaluation methods

The course ends with the final account. Positively executed test and practical work are the prerequisites of the accounting. Test consists written questions within the framework of the lecture material. The final grade will turn out from the average grades of the test and the practical work.

Is taught in following curricula

2020: ET  
2019: ET  
2018: ET  
2017: ET  KK  
2016: ET  
2015: ET  
2014: ET  
2013: ET  
2012: ET  
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