Protection against electric shocks and electrical fires: Difference between revisions
No edit summary |
No edit summary |
||
Line 35: | Line 35: | ||
=== Implementation of the TT system<br> === | === Implementation of the TT system<br> === | ||
[[Protective measures|Protective measures]] <br> | [[TT system - Protective measures|TT system - Protective measures]]<br> | ||
[[Coordination of residual current protective devices|Coordination of residual current protective devices]] <br> | [[TT system - Coordination of residual current protective devices|TT system - Coordination of residual current protective devices]] <br> | ||
=== [[Implementation of the TN system|Implementation of the TN system]]<br> === | === [[Implementation of the TN system|Implementation of the TN system]]<br> === |
Revision as of 17:03, 18 February 2011
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
Preliminary conditions
Protection against indirect contact
High-sensitivity RCDs
Protection in high fire-risk locations
When the fault current-loop impedance is particularly high
Implementation of the IT system
Preliminary conditions
Protection against indirect contact
Protection in high fire-risk locations
When the fault current-loop impedance is particularly high
Residual current differential devices (RCDs)
Types of RCDs
Description
Sensitivity of RDCs to disturbances
Downloads
2010 edition in English: F-Protection against electric shocks
2010 edition in French:
F-La protection contre les chocs electriques 1
F-La protection contre les chocs electriques 2