Sizing and protection of conductors: Difference between revisions

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(Created page with '== General  == ==== Electric shock ==== ==== Protection against electric shock ==== ==== Direct and indirect contact ==== == [[Protection against direct c…')
 
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== [[General |General ]] ==
__NOTOC__
 
== [[General|General ]] ==


==== Electric shock  ====
==== Electric shock  ====
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==== Protection against electric shock  ====
==== Protection against electric shock  ====


==== Direct and indirect contact ====
==== Direct and indirect contact ====


== [[Protection against direct contact |Protection against direct contact]] ==
== [[Protection against direct contact|Protection against direct contact]] ==


==== Measures of protection against direct contact  ====
==== Measures of protection against direct contact  ====


==== Additional measure of protection against direct contact ====
==== Additional measure of protection against direct contact ====


== [[Protection against indirect contact |Protection against indirect contact]] ==
== [[Protection against indirect contact|Protection against indirect contact]] ==


==== Measures of protection: two levels ====
==== Measures of protection: two levels ====


==== Automatic disconnection for TT system ====
==== Automatic disconnection for TT system ====


==== Automatic disconnection for TN systems ====
==== Automatic disconnection for TN systems ====


==== Automatic disconnection on a second fault in an IT system ====
==== Automatic disconnection on a second fault in an IT system ====


==== Measures of protection against direct or indirect contact without automatic disconnection of supply ====
==== Measures of protection against direct or indirect contact without automatic disconnection of supply ====


== [[Protection of goods in case of insulation fault |Protection of goods in case of insulation fault]] ==
== [[Protection of goods in case of insulation fault|Protection of goods in case of insulation fault]] ==


==== Measures of protection against fire risk with RCDs ====
==== Measures of protection against fire risk with RCDs ====


==== Ground Fault Protection (GFP)  ====
==== Ground Fault Protection (GFP)  ====


== [[Implementation of the TT system|Implementation of the TT system]] ==
== [[Implementation of the TT system|Implementation of the TT system]] ==


==== Protective measures ====
==== Protective measures ====


==== Coordination of residual current protective devices ====
==== Coordination of residual current protective devices ====


== [[Implementation of the TN system|Implementation of the TN system]] ==
== [[Implementation of the TN system|Implementation of the TN system]] ==


==== Preliminary conditions  ====
==== Preliminary conditions  ====


==== Protection against indirect contact ====
==== Protection against indirect contact ====


==== High-sensitivity RCDs  ====
==== High-sensitivity RCDs  ====


==== Protection in high fire-risk locations  ====
==== Protection in high fire-risk locations  ====


==== When the fault current-loop impedance is particularly high ====
==== When the fault current-loop impedance is particularly high ====


== [[Implementation of the IT system |Implementation of the IT system]] ==
== [[Implementation of the IT system|Implementation of the IT system]] ==


==== Preliminary conditions ====
==== Preliminary conditions ====


==== Protection against indirect contact ====
==== Protection against indirect contact ====


==== High-sensitivity RCDs  ====
==== High-sensitivity RCDs  ====


==== Protection in high fire-risk locations ====
==== Protection in high fire-risk locations ====


==== When the fault current-loop impedance is particularly high ====
==== When the fault current-loop impedance is particularly high ====


== [[Residual current differential devices (RCDs)|Residual current differential devices (RCDs)]] ==
== [[Residual current differential devices (RCDs)|Residual current differential devices (RCDs)]] ==


==== Types of RCDs ====
==== Types of RCDs ====


==== Description  ====
==== Description  ====


==== Sensitivity of RDCs to disturbances <br> ====
==== Sensitivity of RDCs to disturbances <br> ====

Revision as of 06:16, 20 January 2010


General 

Electric shock

Protection against electric shock

Direct and indirect contact

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

Ground Fault Protection (GFP)

Implementation of the TT system

Protective measures

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

High-sensitivity RCDs 

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

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