Method and apparatus for providing economic analysis of power generation and distribution
First Claim
1. A method of optimizing an operation of a power generation system having a plurality of power generation devices, the method comprising:
- obtaining an objective function of the power generation system;
obtaining a plurality of operating constraints of the power generation system;
determining a plurality of relationships between a plurality of parameters of the power generation system, the plurality of relationships including reactive capability curves defining values of real power and reactive power generated by one of the power generation devices as a function of parameters of the device; and
solving the plurality of relationships to obtain an optimal solution for the objective function within the plurality of operating constraints of the power generation system.
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Abstract
An economic dispatch program optimally allocates load demand specifying real power and reactive power to be generated by a power plant among various power generators in a manner so that each of the power generators are operated within its optimal operating space as defined by a reactive capability curve. Allocating a power demand with consideration of the reactive capability curves of the power generators results in optimal generation of real power and reactive power as specified by the load demand. Alternatively, the economic dispatch program allocates load demand specifying real power and reactive power to be delivered by a power grid among various power plants wherein one or more of the various power plants have capacity limits exhibited by reactive capability curves.
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Citations
30 Claims
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1. A method of optimizing an operation of a power generation system having a plurality of power generation devices, the method comprising:
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obtaining an objective function of the power generation system; obtaining a plurality of operating constraints of the power generation system; determining a plurality of relationships between a plurality of parameters of the power generation system, the plurality of relationships including reactive capability curves defining values of real power and reactive power generated by one of the power generation devices as a function of parameters of the device; and solving the plurality of relationships to obtain an optimal solution for the objective function within the plurality of operating constraints of the power generation system. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. An economic analysis system for optimizing operation of a power generation system having a plurality of power generation devices, the system comprising:
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a first module storing an objective function of the power generation system; a second module storing a plurality of operating constraints of the power generation system; a third module storing a plurality of relationships between a plurality of parameters of the power generation system, the plurality of relationships including reactive capability curves defining values of real power and reactive power generated by one of the power generation devices as a function of parameters of the device; and a fourth module solving the plurality of relationships to obtain an optimal solution for the objective function within the plurality of operating constraints of the power generation system. - View Dependent Claims (20, 21, 22, 23, 24, 25)
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26. A power generation system comprising:
- plurality of power generation devices; and
an economic analysis system comprising;a first module obtaining an objective function of the power generation system, a second module obtaining a plurality of operating constraints of the power generation system, a third module determining a plurality of relationships between a plurality of parameters of the power generation system, the plurality of relationships including reactive capability curves defining values of real power and reactive power generated by one of the power generation devices as a function of parameters of the device, and a fourth module solving the plurality of relationships to obtain an optimal solution for the objective function within the plurality of operating constraints of the power generation system. - View Dependent Claims (27, 28, 29, 30)
- plurality of power generation devices; and
Specification