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Powering the Shard

Former Community Member
Former Community Member
Afternoon one & all


I know we have single and three phase power, single mainly for domestic and three phase for commercial and small industrial.  But what sort of supply would The Shard have, does it have several 3 phase supplies or does it have an even higher supply that is then lowered via step down transformers to supply the various floors etc?
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    Very close to the Shard is a DNO 22kV sub station. 


    A coupe of years ago my company inspected a very large building near by. In that area there is a 22kV ring supplying the larger buildings. In the building we inspected there were 2 very large panel with a 11kV private transformer on the ends of the panel in the basement. These transformers were supplied from 2No.  22kV to 11kV DNO transformers.There was further transformer on the end of a panel in a roof plant room along with 4 No. 1MVA standby generators.


    I worked with an engineer who worked on the Shard electrical installation project. I cannot remember the exact details but he did tell me that there were a number, he did tell me but I have forgotten, up on floors in the building. I assume there was a 22kV/11kV DNO transformer in the basement supplying an 11kV private ring of transformers up the building.


    Another  building I visit from time to time has 11 No. 11kV private transformers in a ring supplied from 2 No. DNO 11kV feeders.
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  • 0
    Very close to the Shard is a DNO 22kV sub station. 


    A coupe of years ago my company inspected a very large building near by. In that area there is a 22kV ring supplying the larger buildings. In the building we inspected there were 2 very large panel with a 11kV private transformer on the ends of the panel in the basement. These transformers were supplied from 2No.  22kV to 11kV DNO transformers.There was further transformer on the end of a panel in a roof plant room along with 4 No. 1MVA standby generators.


    I worked with an engineer who worked on the Shard electrical installation project. I cannot remember the exact details but he did tell me that there were a number, he did tell me but I have forgotten, up on floors in the building. I assume there was a 22kV/11kV DNO transformer in the basement supplying an 11kV private ring of transformers up the building.


    Another  building I visit from time to time has 11 No. 11kV private transformers in a ring supplied from 2 No. DNO 11kV feeders.
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