System and method for estimating and providing dispatchable operating reserve energy capacity through use of active load management
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B23K-011/24
G05B-024/02
H02J-001/00
H02J-003/12
H02J-003/14
G06Q-010/00
G05D-003/12
G05D-005/00
G05D-009/00
G05D-011/00
G05D-017/00
G01R-021/00
G01R-021/06
H02J-003/00
출원번호
US-0466725
(2012-05-08)
등록번호
US-8890505
(2014-11-18)
발명자
/ 주소
Forbes, Jr., Joseph W.
출원인 / 주소
Causam Energy, Inc.
대리인 / 주소
Triangle Patents, PLLC
인용정보
피인용 횟수 :
5인용 특허 :
125
초록▼
A method for generating a value for available operating reserve for electric utility. Electric power consumption by at least one device is determined during at least one period of time to produce power consumption data, stored in a repository. Prior to a control event for power reduction and under a
A method for generating a value for available operating reserve for electric utility. Electric power consumption by at least one device is determined during at least one period of time to produce power consumption data, stored in a repository. Prior to a control event for power reduction and under an assumption that it is not to occur, power consumption behavior expected of the device(s) is determined for a time period during which the control event is expected to occur based on stored power consumption data. Additionally, prior to the control event, projected energy savings resulting from the control event, and associated with a power supply value (PSV) are determined based on devices' power consumption behavior. Amount of available operating reserve is determined based on projected energy savings.
대표청구항▼
1. A method for a client device located at an electrical service point to control a flow of electric power from an electric power grid to the service point so as to provide operating reserve to the electric power grid, the service point including at least one power consuming device operable to consu
1. A method for a client device located at an electrical service point to control a flow of electric power from an electric power grid to the service point so as to provide operating reserve to the electric power grid, the service point including at least one power consuming device operable to consume electric power, at least one controllable device operable to control a flow of grid-supplied electric power to the at least one power consuming device, and a backup power subsystem operable to supply electric power to the at least one power consuming device when a flow of grid-supplied electric power to the at least one power consuming device is reduced below a threshold, the method comprising: receiving power control messages from a remote system control component, at least a first power control message instructing the client device to disable a flow of grid-supplied electric power to the at least one power consuming device; andproviding a first power control instruction to the at least one controllable device responsive to the first power control message, the first power control instruction instructing the at least one controllable device to disable a flow of grid-supplied electric power to the at least one power consuming device, thereby causing activation of the backup power subsystem, wherein an amount of grid-supplied electric power saved as a result of disabling a flow of grid-supplied electric power to the at least one power consuming device provides operating reserve for the electric power grid based upon a power supply value (PSV) associated with each of the at least one power consuming device(s). 2. The method of claim 1, further comprising: receiving a second power control message from the remote system control component, the second power control message instructing the client device to enable a flow of grid-supplied electric power to the at least one power consuming device; andproviding a second power control instruction to the at least one controllable device responsive to the second power control message, the second power control instruction instructing the at least one controllable device to enable a flow of grid-supplied electric power to the at least power consuming device. 3. The method of claim 2, wherein the second power control message is received upon expiration of a control event during which an electric utility supplies operating reserve to the electric power grid. 4. The method of claim 1, wherein the first power control message indicates at least one of an amount of electric power to be reduced and an identification of at least one controllable device to be instructed to disable a flow of electric power to one or more associated power consuming devices, and generating the power supply value (PSV) therefor. 5. A method for a client device located at an electrical service point to control a flow of electric power from an electric power grid to the service point, the service point including at least one power consuming device operable to consume electric power, at least one controllable device operable to control a flow of grid-supplied electric power to the at least one power consuming device, and a backup power subsystem operable to supply electric power to the at least one power consuming device when a flow of grid-supplied electric power to the at least one power consuming device is reduced below a threshold, the method comprising: receiving power control messages from a remote system control component, at least a first power control message instructing the client device to disable a flow of grid-supplied electric power to the at least one power consuming device; andproviding a first power control instruction to the at least one controllable device responsive to the first power control message, the first power control instruction instructing the at least one controllable device to disable a flow of grid-supplied electric power to the at least one power consuming device, thereby causing activation of the backup power subsystem, wherein an amount of grid-supplied electric power saved as a result of disabling a flow of grid-supplied electric power to the at least power consuming device functions as operating reserve for the electric power grid, and is based on a power supply value (PSV) corresponding to each of the at least one power-consuming device(s) and the power saved associated with them. 6. A method for a subsystem located at an electrical service point to reduce consumption of electric power supplied from an electric power grid to a service point, the subsystem including a client device in communication with a remotely located system control component and operable to control a flow of grid-supplied electric power to at least one power consuming device located at the service point, and a backup power subsystem operable to supply electric power to the at least one power consuming device when a flow of grid-supplied electric power to the at least one power consuming device is reduced below a threshold, the method comprising: receiving, by the client device, a power control message from the remote system control component, the power control message instructing the client device to disable a flow of grid-supplied electric power to the at least one power consuming device;disabling, by the client device, a flow of grid-supplied electric power to the at least one power consuming device responsive to the power control message;determining, by the backup power subsystem, that the flow of grid-supplied electric power to the at least one power consuming device has dropped below the threshold responsive to disablement of the grid-supplied electric power by the client device; andsupplying, by the backup power subsystem, electric power for use by the at least one power consuming device responsive to determining that the flow of grid-supplied electric power to the at least one power consuming device has dropped below a threshold, wherein the electric power supplied to the at least one power consuming device(s) has a corresponding power supply value (PSV). 7. The method of claim 6, wherein the subsystem further includes a frequency synchronizer coupled to the backup power subsystem and the electrical grid, the method further comprising: synchronizing, by the frequency synchronizer, a frequency of the electric power supplied by the backup power subsystem to an alternating current frequency used by the electrical grid so as to deliver at least some of the electric power supplied by the backup power subsystem to the electric power grid. 8. The method of claim 7, wherein the power delivered to the electrical grid by the frequency synchronizer is power in excess of power required to operate the at least one power consuming device when the flow of grid-supplied electric power to the at least one power consuming device has dropped below the threshold.
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