Skip to main content
Skip header
Terminated in academic year 2022/2023

Safety Technology of Machines

Type of study Follow-up Master
Language of instruction Czech
Code 420-4014/01
Abbreviation BTSZ
Course title Safety Technology of Machines
Credits 6
Coordinating department Department of Electrical Engineering
Course coordinator Ing. Tomáš Mlčák, Ph.D.

Subject syllabus

Lectures:

1. The introduction - the summary of legislative regulations, institutions and authorities
2. The standardization in the Czech Republic, in The Europe Union and worldwide. The conditions of putting the new products to the market, its distribution and sale. The declaration of conformity, accreditation of workers.
3. Basic and safety principles of man-machine interface, marking and identification, colours etc., coding principles for indicators and actuators
4. The validity area of HD 364/384, EN 60204 and EN 60439 standards. The low voltage supply systems.
5. The external influences and climate conditions (HD 384, IEC 60364), the Degrees of protection provided by enclosures (IP Code) - IEC 529
6. Selection and erection of wiring systems. Earthing arrangements, protective conductors and protective bonding conductors.
7. Measures of protection against overcurrent.
8. Protection against electric shock in low voltage supply systems, basic characteristic according to EN 60364-1:2008 protection against electric shock(EN 60364-4-41:2005), protection for safety - Protection against electric shock (EN 61140)
9. Requirements of special installations and locations.
10. Parts and requirements in electrical equipments of machines according to EN 60204. Switchgear assemblies (EN 60439).
11. Basic safety rules - safety of machinery. Risk assessment, electrical, mechanical and other hazards in machinery operation.
12. Safety related parts of control system. Performance level. Categories of the safety control parts of systems.
13. The overview of currently produced safety related parts of control systems, its application examples and producers recommended use.
14. Summary of topics, counsels

Exercises:

1. Line drops, currents in electrical installation, brush- up of 1phase and 3 phase circuits. Designing cables in installation.
2. Exercises from safety – TN supply system, automatic disconnection of supply.
3. Exercises from safety – TN supply system, automatic disconnection of supply. Exercises from automatic disconnection of supply - calculation of disconnection time of failure in TN and TT systems.
4. Ist. written test, Czech law, computer exercise
5.Standards (EN, ČSN) - the way of obtaining information concerning validity of the standards, the introducing with selected servers providing useful information in the field of electrical regulation,
6. Orientation in the HD 60364., solving of practical exercises and problems
7. Practical drawing up the Protocol of external influences according to national attachment to EN 60364-5-51:2009
8. Installation control part using contactors in machinery.
9. Safety relay. Practical exercise of connection of the control parts of machinery using contactors.
10. The testing of RCD. Difference between FI and DI. Testing according to ČSN 33 1610.
11. The power losses in the switchgear assembly. Estimation of the power losses and design of the assembly box using Rittal therm.
12. The choice of proper components of the electrical equipment of the machinery.
13. 2nd. written test, tuition of the project
14. Presentation of the project, consultation, credit

Projects:

Drawing up the Protocol of external influences according to national attachment to EN 60364-5-51:2009 and its presentation.
Drawing up the safety control system for given machine.


Literature

Texts of lectures in the web page of department: http://fei.vsb.cz/kat452
Requirements of knowledge for self-study (for the distance form of study) in the web page of department: http://fei.vsb.cz/kat452
Standards - EN 60364-1..7, EN 60204 ed.2, EN 60439, EN 62305, EN ISO 13849-1, EN ISO 12100

Advised literature

Texts of lectures in the web page of department: http://fei.vsb.cz/kat452