Ochrana pred bleskom a prepätím

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Charakteristickou črtou súčasného sveta je technický pokrok vo všetkých oblastiach ľudskej činnosti. Medzi tie, ktoré dosiahli mimoriadny rozmach patrí nesporne aj elektrotechnika všeobecne a elektronika zvlášť. V rámci týchto technických disciplín môžeme konštatovať významné zmeny aj v zariadeniach na ochranu pred bleskom a prepätím. Dôkazom toho je aj táto kniha, doslova nabitá najnovšími odbornými poznatkami, ktorú predkladáme odbornej verejnosti.

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STANDARD E" Project: 2_NITRA 153 B Structure’s Dimensions: Length structure (m): 25 Width structure (m): 25 Height roof plane (m)*: 18 Collection area (m2): 186 m2 Environmental Influences: Location factor: Similar height Environmental factor: Urban Number thunderdays: days/year Annual ground flash density: 3,0 flashes/km2 Structure's Attributes: Risk physical damage (incl.56E-06 Indirect Strike Calculated Risk Risk R 2.3 Výstup SIRAC bytový dom základné údaje ..00E+00 1.00E-03 0,00E+00 Loss Cultural Heritage: 1..67E-07 0. not possible cover each special design element that may render structure more less susceptible lightning damage.16E-04 1. The IEC lightning risk assessment calculator intended assist the analysis various criteria determine the risk loss due lightning. All rights reserved.00E-03 0.00E-02 4.3 IEC Central Office Support (Tel: +41-22-919 0211) Copyright 2005, IEC.00E+00 0.00E-05 4.00E+00 0.0.00E+00 0.0... fire): Ordinary Structure screening effectiveness: Average Internal wiring type: Unscreened Protection Measures: Class LPS: Class IV Fire protection provisions: Manual systems Surge protection: Service entrances only Conductive Electric Service Lines: Power Line: Type service the structure: Buried cable Type external cable: Unscreened Presence transformer: Transformer Other Overhead Services: Number conductive services: 0 Type external cable: Unscreened Other Underground Services: Number conductive services: 2 Type external cable: Unscreened Types Loss: Type Loss Human Life: Special hazards life: Low panic level Life loss due fire: Other structures Life loss due overvoltages: Not relevant Type Loss Essential Public Services: Services lost due fire: service exist Services lost due overvoltages: service exist Type Loss Cultural Heritage: Cultural heritage lost due fire: heritage value Type Economic Loss: Special hazards economics: special hazards Economic loss due fire: Other structures Economic loss due overvoltage: Other structures Step/touch potential loss factor: shock risk Tolerable risk economic loss: 100 Calculated Risks: Tolerable Direct Strike Risk Risk Rd Loss Human Life: 1.21E-04 IEC Risk Assessment Calculator: Version 1.NORME CEI M INTERNATIONALE IEC INTERNATIONAL 62305-2 111. special cases, personal and economic factors may very important and should considered addition the assessment obtained use this tool.78E-07 Loss Public Services: 1. ..88E-07 7..00E+00 Economic Loss: 1. Obrázok 6. intended that this tool used conjunction with the written standard IEC62305-2..3 Database: Version 1

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