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How Delhi cut electricity loss from 50 to 5 percent

592 points · 336 comments · rbanffy

  1. motionlessveloc · · focus · HN ↗
    I wonder how many HNers recall life in Delhi even 20 years ago? Cutting electricity loss is one thing, but getting rid of "load shedding" (unplanned power cuts) is the really revolutionary part. It was not uncommon for the power to go out several times a day and you had to rush to unplug expensive appliances (TV, laptop), because when the power came back it was often accompanied by a surge. My office was wired with two sets of electrical sockets, one connected to grid mains and the other connected to the UPS (for important equipment only).
    1. alentred · · focus · HN ↗
      > My office was wired with two sets of electrical sockets, one connected to grid mains and the other connected to the UPS (for important equipment only).

      This I think is a standard practice in any large office building in France (Europe? Global?) too, regardless of the frequency of the power cuts. I don't remember witnessing any power cuts in the office (not since long ago anyway), but in most of the places there are systematically white and red sockets, red ones being powered through a UPS. So, server machines go into red ones. Well, we don't have servers anymore, but the sockets are still there anyway. Hopefully UPS too, LOL.

      1. someonebaggy · · focus · HN ↗
        I've never seen them in France. I've seen them in a chemistry lab section of a university in New Zealand and I believe they're also common in data centers, NOCs, etc. worldwide.
        1. alentred · · focus · HN ↗
          I think it depends on the building. A typical inner Paris office (converted Haussmann building) won&#x27;t have it usually, but traditional larger offices I have been to have sockets like this one for example: <a href="https:&#x2F;&#x2F;www.legrand.fr&#x2F;pro&#x2F;catalogue&#x2F;triple-prises-de-courant-surface-mosaic-link-premontees-2-prises-blanches-et-1-prise-rouge" rel="nofollow">https:&#x2F;&#x2F;www.legrand.fr&#x2F;pro&#x2F;catalogue&#x2F;triple-prises-de-couran...
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