Lectures 1. Motivational lecture on effective learning at university 2. Analysis of electrical circuits, voltage and current definition, basic circuit elements, circuit solutions using Kirchhoff's laws 3. Solving AC circuits 4. Requirements for electric low power and high power distribution systems. Equipment for the power distribution. Types of electrical distribution systems specifics in medical operations, types of networks (TN, TT, IT). Normal operating parameters of the supply network including limits and fault states. 5. Protection against dangerous touch, sizing of wires. 6. IT networks in healthcare facilities: isolation transformers, insulation status monitors, parameters, sizing, operation and fault states. 7. Theory of electrical protections. Types of protection devices and marking. Protection selectivity. Electrical protection in the low voltage networks. 8. Fuses, circuit breakers, overcurrent relays, guards, protection of electrical lines. Protection of electric motors, transformers and lighting systems. 9. Overvoltage protection of electrical equipment and data lines. 10. Power supplies: distribution, sizing, operation, behavior in non-standard states, typical failures. 11. Lighting equipment: photometric quantities, types of light sources, light technical parameters, hygienic limits, operation and maintenance of lighting systems, specifics of illumination in healthcare. 12. Backup of power supplies for 1st and 2nd degree of importance, backup sources, switching and coordination. 13. Basic elements of power electronics diode, transistor, thyristor 14. Power Conversion, AC/DC Rectifiers, DC/AC inverters, DC/ DC Converters, AC/AC inverters, Power Balance, Back-ups to Power Sources, PFCs. 15. Electromagnetic Compatibility (EMC), disturbances and consequences, principles of elimination of emissions, principles of decreasing sensitivity to environmental impacts Practical classes 1. Safety training in the laboratory. Examples of space category designation and external impact determination. 2. The circuit calculations 3. Measurement of IT network - normal operation state, single-pole ground fault, two-pole, system shift by another source 4. Measurement of fluctuation of parameters in the power supply with the power analyzer. 5. Measurement of the tripping characteristic of the circuit breaker 6. Measure leakage currents and tripping characteristics of the RCD relay. 7. Measurement of insulating transformer parameters - measurement of no load, short-circuit, frequency characteristic, measurement of the mutual capacity of the winding 8. Measurement of load characteristics of the power supply, measurement of transient phenomena when switching on, switching off, load change, short circuit. 9. Calculation of conductor cross-sections and design of SICHR protection selectivity. 10. Measuring the light intensity distribution of the luminaire. 11. Impact measurement of power circuits to reduce EMC, credit test
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ČSN EN 61557-8 ed. 2:2008-1 Hlídače izolačního stavu v rozvodných sítích IT..
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ČSN 33 2140:1986-10 a TNI 332140:2007-12 Elektrický rozvod v místnostech pro lékařské účely..
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IEC 60364-7-710 ed. 2:2006 a prHD 60364-7-710 Electrical instalation of buildings. Part 7-710: Requirements for special instalations or locations - Medical locations..
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Fencl, F. Elektrický rozvod a rozvodná zařízení. ČVUT, Praha, 2003.
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Honys, V. Ochrana před úrazem elektřinou.. IN-EL, Praha, 1999.
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Kříž, M. Dimenzování a jištění elektrických zařízení, tabulky a příklady. IN-EL, Praha, 2001.
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Rous, Z. Přepěťové ochrany v elektrotechnických zařízeních do 1000 V. IN-EL, Praha, 1999.
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ROZMAN, Jiří. Elektronické přístroje v lékařství. Praha: Academia, 2006. ISBN 80-200-1308-3.
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