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I have an exam in three hours and there seems to be a recurring question in all previous years questions:

Why are cooker units diversified while air conditioners are not?

I've searched a lot but have not found a satisfying answer, please explain it as simply as humanly possible.

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I suspect that terminology may be a local one but you have no location in your user profile.

To me the most likely reason is for calculating total load on a system such as a transformer feeding a group of houses.

  • Cookers will be used at somewhat diverse1 times and for diverse durations by each household so the expected average and peak load will be a significant factor less than the sum of all the cookers.
  • Air conditioning is very likely to be non-diverse as each home will experience the same heat input on a warm day and all AC units will turn on around the same time and for many hours at a time. The peak load will be the sum of all the AC units.

1 (/dʌɪˈvəːs,ˈdʌɪvəːs/ adjective showing a great deal of variety; very different. Synonyms: various, many and various, sundry, manifold, multiple)

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  • \$\begingroup\$ Thank you, that helps. \$\endgroup\$ – lekarane Jul 11 at 6:24
  • \$\begingroup\$ Actually, people DO tend to all cook at around the same times of the day. But they rarely use the full capacity of the cooker all at once. \$\endgroup\$ – Dave Tweed Jul 11 at 11:30

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