Introduction to Electrical Engineering

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Pro: ČEKO IMPORT a.s.
Vydal: České vysoké učení technické Praha Autor: Vladimír Kůla, Michal Kříž

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c.1 Probability ventricular fibrillation about % AC 4. Principles There difference between the hazard associated with direct (d. regards a.1 Time/current zones effect a., the level danger varies depending the frequency: low and high frequencies are less dangerous than the technically applied frequencies and (see Figures 4.3 above Probability ventricular fibrillation above % 1) For duration current-flow below ms, the limit for the body current for line remains constant value 200 mA.): a.c.1. currents (15 100 Hz) persons Description zones: .1. more dangerous than d. Zone designation Zone limits Physiological effects AC 0,5 mA a Usually reaction AC Usually harmful physiological effects AC Usually organic damage expected AC above Dangerous pathophysiological effects: cardiac arrest, breathing arrest and severe burns AC 4.4).c. Figure 4.) and that with alternating current (a. EFFECTS CURRENT PASSING THROUGH THE HUMAN BODY 4.c.1.c.1 4.EFFECTS CURRENT PASSING THROUGH THE HUMAN BODY 21 4.1.c.2 Probability ventricular fibrillation about % AC 4