DGUV Information 203-078 - Thermal hazards from electric fault arc Guide to the ...

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Abschnitt 3.2 , 3.2 Work environment parameters
Abschnitt 3.2
Thermal hazards from electric fault arc Guide to the selection of personal protective equipment for electrical work (bisher: BGI/GUV-I 5188 E)
Titel: Thermal hazards from electric fault arc Guide to the selection of personal protective equipment for electrical work (bisher: BGI/GUV-I 5188 E)
Normgeber: Bund
Amtliche Abkürzung: DGUV Information 203-078
Gliederungs-Nr.: [keine Angabe]
Normtyp: Satzung

Abschnitt 3.2 – 3.2 Work environment parameters

The electrical system working environment is characterised by the following parameters:

Fig. 1
Work environment parameters

 

Fig. 2
Electrical equipment parameters

Legend:

t k [s]:Protection device trip time
U Nn [V]:Rated network voltage
R/X: Resistive/reactive relationship related to network impedance
S'' k[kVA]:3-phase short-circuit capacity
d [mm]:Distance between two live components at the workplace