Generation Capacity Expansion Planning in Deregulated Electricity ...

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Generation Capacity Expansion Planning in Deregulated Electricity ...

The issue of imposing line flow limits is essentially the responsibility of the central planning

authority which has to take into account all investment proposals and incorporate them into its

operations studies with security constraints, and hence examine whether such proposals are

acceptable or not. Such studies are beyond the scope of this thesis, and need to be taken up in the

future.

4.2.4 New Capacity Installation variable

In this modeling approach the new capacity Nc(i,k,m), based on m technology plant that is

commissioning at bus i in year k, is a discrete size as considered in Chapter-3, the selection of these

units to be installed based on a binary variable that decides whether the unit should in installed in

particular year or not to maximize the objective function. The modeling equation for this variable is

given below:

( i,

k,

m)

= ID(

i,

k,

m)

∗ ADCS(

m)

ALO(

i,

k,

m)

bin(

k)

Nc ∗ ∗

ID(i,k,m) Binary decision variable to decide whether m technology unit should be

⎧1

bin(

k)

= ⎨

⎩0


⎩ ⎧1

ID(

i,

k,

m)

=

0

if P − k + 1 ≥ pb

if P − k + 1 < pb

Binary Variable denoting selection of

Otherwise

installed at bus i in year k or not

ADCS(m) Available discrete capacity size of m technology plant that can be

commissioned in a year, MW

ALO(i,k,m) Available Location options to install m technology plant at bus i in year

k, 0 or 1

bin(k) Binary decision parameter for the capacity installation in year k

49

capacity

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