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™ The IRP model package basically programmed in Visual Basic is working on windows
base of 2000 NT or XP and incorporated with CPLEX, the software for solving the
optimization problem.
2. The Formulation of IRP Model
In order to describe this model, the algebraic expressions of the objective function and
constraints and a set of symbols are defined as follows:
ajv
:
Availability of candidate power plant j of vintage v.
akv
:
Availability of existing or committed power plant k vintage v.
Airt
:
Maximum appliances population under DSM program i, among r type of
consumer in year t.
XCjv
:
Maximum capacity of candidate power plant j of vintage v.
XEkv :
Maximum capacity of existing or committed power plant k of vintage v.
CCjv
Discounted capcity cost of candidate power plant j, to be commissioned in
:
vintage v.
DCirt
:
Discounted cost of replacing one “more efficient” device in place of an
inefficient existing one under DSM program type i by consumer category r in
year t.
Eirpst
:
A fraction of the total installed appliances under DSM program i for consumer
type r in use during period p of season s in year t.
Emant :
Upper limit of annual emission of pollutant n in year t.
Emfnj :
Emission of pollutant n per unit energy generation in plant type j.
Emhn :
Upper limit of Emission of pollutant n during the planning horizon.
FCjpstv :
Cost of per unit power generation from candidate power plant j of vintage v in
block p of season s in year t.
ECjpstv :
Emission costs of per unit of emissions generated from candidate power plant j
of vintage v in block p of season s in year t.
EFjpstv :
Emission factors from candidate power plant j of vintage v in block p of season s
in year t.
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