Protection against electric shocks and electrical fires: Difference between revisions
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Revision as of 13:10, 15 November 2013
Electrical protection of persons
Fundamental rule of protection
Protection against direct contact
Measures of protection against direct contact
Additional measure of protection against direct contact
Protection against indirect contact
Measures of protection: two levels
Automatic disconnection for TT system
Automatic disconnection for TN systems
Automatic disconnection on a second fault in an IT system
Measures of protection against direct or indirect contact without automatic disconnection of supply
Protection of goods in case of insulation fault
Measures of protection against fire risk with RCDs
Implementation of the TT system
TT system - Protective measures
TT system - Coordination of residual current protective devices
Implementation of the TN system
TN system - Preliminary conditions
TN system - Protection against indirect contact
TN system - High-sensitivity RCDs
TN system - Protection in high fire-risk locations
TN system - When the fault current-loop impedance is particularly high
Implementation of the IT system
IT system - Preliminary conditions
IT system - Protection against indirect contact
IT system - High-sensitivity RCDs
IT system - Protection in high fire-risk locations
IT system - When the fault current-loop impedance is particularly high
Residual current differential devices (RCDs)
Sensitivity of RCDs to disturbances
