System and methods for controlling a supply of electric energy
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H05B-001/02
H02J-009/06
H02J-003/00
H02J-007/35
출원번호
US-0443492
(2013-11-19)
등록번호
US-9735613
(2017-08-15)
국제출원번호
PCT/US2013/070743
(2013-11-19)
국제공개번호
WO2014/078838
(2014-05-22)
발명자
/ 주소
Orthlieb, Frederick L.
Letzt, Alan M.
Cheever, Erik A.
Parlikar, Tushar A.
Houser, Ari
출원인 / 주소
HEAT ASSURED SYSTEMS, LLC
대리인 / 주소
Muir Patent Law, PLLC
인용정보
피인용 횟수 :
3인용 특허 :
69
초록▼
A system and methods for controlling the supply and distribution of backup electrical power determine when backup power is needed and allocates available backup power among connected devices in a power outage. Batteries may be used as an energy storage subsystem, and may backup a home heating plant
A system and methods for controlling the supply and distribution of backup electrical power determine when backup power is needed and allocates available backup power among connected devices in a power outage. Batteries may be used as an energy storage subsystem, and may backup a home heating plant and other devices based on a dual set of user-established priorities that may change during power blackouts and brownouts as the amount of stored energy decreases.
대표청구항▼
1. A building backup electric power supply system for use during the loss of a primary electric power system, comprising: an energy storage system for use when the primary electric power system is subject to interruption or degradation, and an inverter for converting the stored energy from DC to AC;
1. A building backup electric power supply system for use during the loss of a primary electric power system, comprising: an energy storage system for use when the primary electric power system is subject to interruption or degradation, and an inverter for converting the stored energy from DC to AC; anda programmable controller for switching from the primary electric power system to the energy storage system during times of interruption or degradation of the primary electric power system, said controller being configured so as to allow a user to set priorities for each of the building loads that may be powered by the energy storage system under different circumstances,wherein the prioritized building loads correspond to different equipment powered by the energy storage system. 2. The system of claim 1, wherein the primary electric power system is the utility power grid, and wherein the energy storage system is at least one battery, and said at least one battery is connected to and kept charged by the primary electric power system during periods of uninterrupted power service from the primary electric power system. 3. The system of claim 1, wherein the energy storage system is connected to one or more solar panels for charging said energy storage system during periods of solar activity. 4. The system of claim 1, wherein the energy storage system is connected to a fossil fuel powered electric generator for charging said energy storage system. 5. The system of claim 1, wherein the controller implements operating priorities in accordance with user inputs including the importance of each building load to the building occupants, the real time power demand of the prioritized building loads, and the duty cycle of each of the prioritized building loads compared with the level of stored energy remaining in the energy storage system,wherein the controller is configured to allow the user to update or modify the building loads that may be powered by the energy storage system and update or modify the priority assigned to each building load at any time,wherein the controller is configured to implement operating priorities for a heating system on the basis of the real power demand of the heating system and other connected equipment relative to the capacity of the energy storage system then in use and/or the level of stored energy remaining in the energy storage system. 6. The system of claim 5, further including a user interface for inputting and displaying a priority level assigned to each building load that may be supplied with power by the energy storage system. 7. The system of claim 6, wherein the controller calculates the remaining backup hours for the energy storage system based on the presently configured prioritized building loads and the level of stored energy remaining in the energy storage system,wherein the user interface displays the remaining backup hours for the energy storage system andwherein the user can enter power outage forecast information, and the controller automatically adjusts the priority of the building loads to increase the period of time that the energy storage system is available in accordance with said forecast,wherein the user can enter a new priority for a building load and see the impact of the priority change on the remaining backup hours for the energy storage system. 8. The system of claim 7, wherein the building is a residential building and the prioritized building loads include those for a plurality of equipment used for heating, cooling, refrigeration, lighting, entertainment, office, and/or medical purposes, and wherein each of the plurality of equipment has a shutdown levelwherein the controller is configured to shut down each one of the plurality of equipment for which the amount of energy currently stored in the energy storage system drops below the shutdown level. 9. The system of claim 8, wherein the controller is connected to a temperature sensor for monitoring a current temperature in at least one heating zone and is configured to disable or reduce heat production from a heating load if the monitored temperature meets a threshold temperature,wherein the controller is configured to directly provide a portion of the inverter power to prioritized building loads such that the nominal capacity of said loads and said inverter are not exceeded,wherein at least a portion of the plurality of equipment have a lock-in duration which defines a time period from a prior enablement of the equipment during which the at least a portion of the plurality of equipment cannot be disabled by the controller, andwherein at least another portion of the plurality of equipment have a lock-out duration which defines a time period from a prior disablement during which the at least another portion of the plurality of equipment cannot be enabled by the controller. 10. The system of claim 1, wherein said controller includes a communications network interface for user interaction with the controller from a remote location via a wireless or wired communications network. 11. A method for providing a building backup electric power supply for use during the loss of a primary electric power supply, comprising: providing an energy storage system including at least one battery for storing electric power for use when the primary electric power supply is subject to interruption or degradation and an inverter for converting DC to AC;switching from the primary electric power supply to the energy storage system during times of interruption or degradation of the primary electric power system; andprogramming a controller to allow a user to prioritize which building loads are to be served by the energy storage system,wherein the prioritized loads correspond to different equipment powered by the energy storage system. 12. The method of claim 11, wherein the at least one battery is connected to a plurality of solar panels for charging the batteries during periods of solar activity. 13. The method of claim 11, wherein the controller implements operating priorities in accordance with user inputs including the importance of each building load to the building occupants, the real time power demand of the prioritized building loads, and the duty cycle of each of the prioritized building loads, compared with the level of stored energy remaining in the energy storage system,wherein the controller is configured to allow the user to update or modify the building loads that may be powered by the energy storage system and update or modify the priority assigned to each building load at any time,wherein the controller is configured to implement operating priorities for a heating system on the basis of the real power demand of the heating system and other connected equipment relative to the capacity of the energy storage system then in use and/or upon the level of stored energy remaining in the energy storage system. 14. The method of claim 13, further comprising a user interface for inputting and displaying a priority level assigned to each building load that may be supplied with power by the energy storage system. 15. The method of claim 14, wherein the controller calculates the remaining backup hours for the energy storage system based on the presently configured prioritized building loads and the level of stored energy remaining in the energy storage system,wherein the user interface displays the remaining backup hours for the energy storage system andwherein the user can enter power outage forecast information, and the controller automatically adjusts the priority of the building loads to increase the period of time that the energy storage system is available in accordance with said forecast,wherein the user can enter a new priority for a building load and see the impact of the priority change on the remaining backup hours for the energy storage system. 16. The method of claim 15, wherein the building is a residential building and the prioritized building loads include a priority of equipment including those used for heating, cooling, refrigeration, lighting, entertainment, office, and/or medical purposes, and wherein each of the plurality of equipment has a shutdown level wherein the controller is configured to shut down each one of the plurality of equipment for which the amount of energy currently stored in the energy storage system drops below the shutdown level. 17. The method of claim 11, wherein said controller includes a communications network interface for user interaction with the controller from a remote location via a wireless or wired communications network. 18. The method of claim 17, wherein the controller monitors a current temperature in at least one heating zone and disables or reduces heat production from a heating load if the monitored temperature meets a threshold temperature,wherein the controller is configured to directly provide a portion of the inverter power to prioritized building loads such that the nominal capacity of said loads and said inverter are not exceeded,wherein at least a portion of the plurality of equipment have a lock-in duration which defines a time period from a prior enablement of the equipment during which the at least a portion of the plurality of equipment cannot be disabled by the controller, andwherein at least another portion of the plurality of equipment have a lock-out duration which defines a time period from a prior disablement during which the at least another portion of the plurality of equipment cannot be enabled by the controller. 19. An electric power supply system for use during the loss of a primary electric power system, comprising: an electric energy storage system, connected to the primary electric power system, including at least one battery for storing energy for use when the primary electric power system is subject to interruption or degradation, and an inverter for converting the stored energy in the at least one battery from DC to AC;a switching system for sensing when the primary electric power system is unavailable or degraded and for then switching over to the energy storage system and for sensing when the primary electric power system is available and for then switching back to the primary electric power system;a user interface for inputting and displaying a priority level assigned to each building load to be supplied with power by the energy storage system, anda programmable controller configured to allow a user to set priorities for each of the building loads that may be served by the energy storage system under different circumstances,wherein the prioritized building loads correspond to different equipment to be powered by the energy storage system,wherein the controller implements operating priorities in accordance with user inputs including the importance of each building load to the building occupants, the real time power demand of the prioritized building loads, and the duty cycle of each of the prioritized building loads, compared with the level of stored energy remaining in the energy storage system,wherein the controller is configured to allow the user to update or modify the building loads that may be powered by the energy storage system and update or modify the priority assigned to each building load at any time,wherein the controller is configured to implement operating priorities for a heating system on the basis of the real power demand of the heating system and other connected equipment relative to the capacity of the energy storage system then in use and/or upon the level of stored energy remaining in the energy storage system. 20. The system of claim 19, wherein the building is a residential building and the prioritized building loads include those for a plurality of equipment used for heating, cooling, refrigeration, lighting, entertainment, office, and/or medical purposes, and wherein each of the plurality of equipment has a shutdown level wherein the controller is configured to shut down each one of the plurality of equipment for which the amount of energy currently stored in the energy storage system drops below the shutdown level. 21. The system of claim 20, wherein the controller is configured to monitor a current temperature in at least one heating zone and disable or reduce heat production from a heating load if the monitored temperature meets a threshold temperature,wherein at least a portion of the plurality of equipment has a lock-in duration which defines a time period from a prior enablement of the equipment during which the at least a portion of the plurality of equipment cannot be disabled by the controller, andwherein at least another portion of the plurality of equipment has a lock-out duration which defines a time period from a prior disablement during which the at least another portion of the plurality of equipment cannot be enabled by the controller. 22. The system of claim 21, wherein said controller includes a communications network interface for operation of the controller from a remote location via a wireless or wired communications device. 23. The system of claim 22, wherein the controller calculates the remaining backup hours for the energy storage system based on the presently configured prioritized building loads and the level of stored energy remaining in the energy storage system,wherein the user interface displays the remaining backup hours for the energy storage system andwherein the user can enter power outage forecast information, and the controller automatically adjusts the priority of the building loads to increase the period of time that the energy storage system is available in accordance with said forecast,wherein the user can enter a new priority for a building load and see the impact of the priority change on the remaining backup hours for the energy storage system.
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