G sizing and protection of conductors

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G sizing and protection of conductors

Chapter GSizing and protection of conductorsContents1General 1.1 Methodology and definitionG2 G21.2 Overcurrent protection principlesG41.3 Practical v

G sizing and protection of conductors values lor a protective schemeG41.4 Location of protective devicesG61.5 Conductors in parallelC62Practical method for determining the smallest allowab

le cross-sectional area of circuit conductorsG72.1 GeneralG72.2 General method for cablesG72.3 Recommended simplified approach for cablesG162.4 Busbar G sizing and protection of conductors

trunking systemsG18Determination of voltage drop3.1Maximum voltage drop limit_________________________3.2Calculation of voltage drop in steady load c

G sizing and protection of conductors

onditionsShort-circuit current4.1Short-circuit current at the secondary terminals ofa MV'LV distribution transformer_______________________4.23-phase

Chapter GSizing and protection of conductorsContents1General 1.1 Methodology and definitionG2 G21.2 Overcurrent protection principlesG41.3 Practical v

G sizing and protection of conductors sending endG284.4 Short-circuit current supplied by an alternator or an inverterG295Particular cases of short-circuit current 5.1 Calculation of minim

um levels of short-circuit currentG30 G30G355.2 Verification of the withstand capabilities of cables under short-circuit conditionsG16Protective earth G sizing and protection of conductors

ing conductor G.1 Connection and choiceG37 G37G.2 Conductor sizing 6.3 Protective conductor between MV.’LV transformer and the main general distributi

G sizing and protection of conductors

on board (MGĐB)G38 G406.4 Equipotential conductorG417The neutral conductor 7.1 Sizing the neutral conductorG42 G427.2 Protection of the neutral conduc

Chapter GSizing and protection of conductorsContents1General 1.1 Methodology and definitionG2 G21.2 Overcurrent protection principlesG41.3 Practical v