Energy management system and methods for the optimization of distributed generation
First Claim
1. A method of selecting an energy source option, the method comprising:
- determining a current energy requirement, the current energy requirement including a current electrical energy requirement and a current heat energy requirement;
determining a first energy source option which satisfies the current energy requirement, the first energy source option having a first remote source component and a first local source component, the first remote source component being indicative of a first amount of energy to be purchased from a centralized energy generator, the first local source component being indicative of a first amount of energy to be generated by a distributed energy generator;
determining a second energy source option which satisfies the current energy requirement, the second energy source option having a second remote source component and a second local source component, the second remote source component being indicative of a second amount of energy to be purchased from the centralized energy generator, the second local source component being indicative of a second amount of energy to be generated by the distributed energy generator;
determining a current electrical energy cost and a current heat energy cost;
determining a current electrical energy availability and a current heat energy availability;
determining an energy model, the energy model including a time period, a putative electrical energy requirement associated with the time period, a putative electrical energy cost associated with the time period, a putative heat energy requirement associated with the time period, and a putative heat energy cost associated with the time period; and
selecting the first energy source option instead of the second energy source option based on the current electrical energy cost, the current heat energy cost, the current electrical energy availability, the current heat energy availability, and the energy model.
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Abstract
An energy management system and method is provided for managing the generation and distribution of energy from an energy source to a building. The building has a desired building environment and a total energy profile including a thermal energy requirement and an electrical energy requirement. The energy management system comprises an energy generator arranged to convert energy from the energy source to thermal energy and electrical energy, a heat recovery unit arranged to recover byproduct heat from the energy generator, a cooling unit arranged to use a first portion of the thermal energy to drive a refrigeration unit, a heating unit arranged to use a second portion of the thermal energy to drive a heating unit, a heat storage unit arranged to store excess heat, and an energy optimizing controller.
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Citations
27 Claims
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1. A method of selecting an energy source option, the method comprising:
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determining a current energy requirement, the current energy requirement including a current electrical energy requirement and a current heat energy requirement;
determining a first energy source option which satisfies the current energy requirement, the first energy source option having a first remote source component and a first local source component, the first remote source component being indicative of a first amount of energy to be purchased from a centralized energy generator, the first local source component being indicative of a first amount of energy to be generated by a distributed energy generator;
determining a second energy source option which satisfies the current energy requirement, the second energy source option having a second remote source component and a second local source component, the second remote source component being indicative of a second amount of energy to be purchased from the centralized energy generator, the second local source component being indicative of a second amount of energy to be generated by the distributed energy generator;
determining a current electrical energy cost and a current heat energy cost;
determining a current electrical energy availability and a current heat energy availability;
determining an energy model, the energy model including a time period, a putative electrical energy requirement associated with the time period, a putative electrical energy cost associated with the time period, a putative heat energy requirement associated with the time period, and a putative heat energy cost associated with the time period; and
selecting the first energy source option instead of the second energy source option based on the current electrical energy cost, the current heat energy cost, the current electrical energy availability, the current heat energy availability, and the energy model. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method of selecting an energy source option, the method comprising:
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continuously monitoring an electrical energy load and a thermal energy load, and determining a current energy requirement, the current energy requirement including a current electrical energy requirement and a current heat energy requirement;
determining a first energy source option which satisfies the current energy requirement, the first energy source option having a first remote source component and a first local source component, the first remote source component being indicative of a first amount of energy to be purchased from a centralized energy generator, the first local source component being indicative of a first amount of energy to be generated by a distributed energy generator;
determining a second energy source option which satisfies the current energy requirement, the second energy source option having a second remote source component and a second local source component, the second remote source component being indicative of a second amount of energy to be purchased from the centralized energy generator, the second local source component being indicative of a second amount of energy to be generated by the distributed energy generator;
determining a current electrical energy cost and a current heat energy cost;
determining a current electrical energy availability and a current heat energy availability;
determining an energy model, the energy model including a time period, a putative electrical energy requirement associated with the time period, a putative electrical energy cost associated with the time period, a putative heat energy requirement associated with the time period, and a putative heat energy cost associated with the time period; and
selecting the first energy source option instead of the second energy source option based on the current electrical energy cost, the current heat energy cost, the current electrical energy availability, the current heat energy availability, and the energy model, and wherein selecting the first energy source option instead of the second energy source option comprises the step of executing a fuzzy logic algorithm. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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Specification