Medium Voltage Cables/ Group Rating Factors/Group rating factor for multicore cables in Horizontal Formation



 

Number
Of Cables
Group

Spacing
    Touching 0.15m 0.30m 0.45m 0.60m
3.6/6 to
12/20kV
Cables
2 0.80 0.85 0.89 0.90 0.92
3 0.68 0.75 0.80 0.84 0.86
4 0.62 0.70 0.77 0.80 0.84
5 0.57 0.66 0.73 0.78 0.81
6 0.55 0.63 0.71 0.76 0.80
 
18/30kV
cables
2 0.80 0.83 0.87 0.89 0.91
3 0.70 0.73 0.78 0.82 0.85
4 0.64 0.68 0.74 0.78 0.82
5 0.59 0.63 0.70 0.75 0.79
6 0.56 0.60 0.68 0.74 0.78