Choosing 11kV vs 22kV Underground Distribution for Urban Areas: Load, Cost, Fault Level

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#1 21675543 08 Mar 2016 10:59

asela jayasinghe asela jayasinghe

Anonymous

Post #1
21675543 08 Mar 2016 10:59

Hi,

what are the possible reasons for selecting 11kV underground distribution system vs 22kV underground distribution system for urban area.
I know about 22kV can carry twice the load compared to 22kV.

How about impacts of pricing, fault level, stepdown from 132 kv to 22/kv etc.

Thanks
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#2 21675544 08 Mar 2016 20:02

Kevin Angelo Ma Kevin Angelo Ma

Anonymous

Post #2
21675544 08 Mar 2016 20:02

Hi,

First, in terms of price, I guess its a norm in the electric power distribution that the higher the generation, the higher it cost. In terms of fault level, it would be easier to handle the insulation of a 11kV rather than a 22kV. In general, this is such a broad topic to discuss.
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