DIVERSITY FACTOR : IGNOU ACPDM ASSIGNMENT 2012 SOLVED NUMERICAL

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Dear readers,
I received an e-mail from one of the regular visitors to 'The Wandering Eye' blog.
The e-mail goes as under:
"please send me the solution of following problem as soon as possible.

Following are the peak loads in various regional grids in the country

north          25000mw

west          30000mw

east           20000mw

north-east   23000mw

south         7500mw

work-out total peak load in country when

    1.) none of grids are interconnected
    2.)if all grids are interconnected diversity factor of peak load is 1.1"

Answer:
The diversity factor is defined as follows:

More about diversity factor at this link.

1) When none of grids are interconnected.

Total peak load = Load from North + Load from West + Load from East + Load from North-East + Load from South = 25,000+30,000+20,000+23,000+7,500 = 1,05,500 MW.

2) If all grids are interconnected and diversity factor of peak load is 1.1.

Total peak load= Sum of individual peak load / Diversity factor = 105500/1.1 = 95909.09 MW.

The concept of diversity factor arises from the logic that it is not necessary that all the grids will derive maximum load simultaneously. There will definitely be a time gap between their maximum demand. The interconnection uses this time difference to reduce the total connection demand from national grid. This saves expense on cables, switchgears and panels and helps in providing electricity at lower price to consumer.

I hope this posts helps in clearing the doubt of readers. Please feel free to give me feedback at singhn9 att gmail dot com. Your comments, suggestions and criticisms help in keeping this blog alive.

Regards,

N. Singh