Source: https://patents.google.com/patent/US9559520B2/en
Timestamp: 2020-02-24 21:55:28
Document Index: 380329443

Matched Legal Cases: ['Application No. 12803361', 'Application No. 2013', 'Application No. 2013', 'Application No. 201280040497', 'Application No. 2014101451', 'Application No. 2014101451', 'Application No. 201280040497', 'Application No. 201280040497']

US9559520B2 - Hybrid electric generating power plant that uses a combination of real-time generation facilities and energy storage system - Google Patents
US9559520B2
US9559520B2 US13/527,290 US201213527290A US9559520B2 US 9559520 B2 US9559520 B2 US 9559520B2 US 201213527290 A US201213527290 A US 201213527290A US 9559520 B2 US9559520 B2 US 9559520B2
US13/527,290
US20120323396A1 (en
2011-06-20 Priority to US201161499065P priority Critical
2012-06-19 Application filed by AES Corp filed Critical AES Corp
2012-06-19 Priority to US13/527,290 priority patent/US9559520B2/en
2012-09-05 Assigned to THE AES CORPORATION reassignment THE AES CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: GALURA, BRETT LANCE, GEINZER, JAY CRAIG, SHELTON, JOHN CHRISTOPHER, MEERSMAN, STEVEN CHRISTIANNE GERARD
2012-12-20 Publication of US20120323396A1 publication Critical patent/US20120323396A1/en
2017-01-31 Publication of US9559520B2 publication Critical patent/US9559520B2/en
238000004146 energy storage Methods 0 abstract claims description title 134
230000033228 biological regulation Effects 0 description 29
1. A method of controlling power supplied to an electric grid using at least one energy storage device to store energy, the method comprising:
receiving, in a grid indication receiver, an indication of power to be supplied to the electric grid;
generating power from at least one power generator;
receiving, by a controller, the received indication of power to be supplied to the grid from the grid indication receiving device;
determining, by the controller, an optimum discharge and storage profile of the at least one energy storage device or a predetermined power discharge and storage profile of the at least one energy storage device;
adjusting, by the controller, the storage of energy by the at least one energy storage device according to the optimum discharge and storage profile or the predetermined power discharge and storage profile of the at least one energy storage device; and
adjusting, based on the optimum or predetermined power discharge and storage profile of the at least one energy storage device, power generation from the at least one power generator to satisfy the indication of power to be supplied to the electric grid received from the grid indication receiver,
wherein the indication includes at least one of:
(1) a signal that indicates a present power supply level to be supplied to the electric grid,
(2) a signal indicating a grid frequency for determining a present adjustment to the power to be supplied to the electric grid, or
(3) one or more operating parameters indicating one or more operating set points for operation of a combination of the at least one power generator and the energy storage device, and
wherein the optimum or the predetermined power discharge and storage profile of the at least one energy storage device and an optimum or a predetermined ramp profile of the at least one power generator are based on at least two factors selected from the group consisting of:
(2) an optimum rate of change of the at least one power generator;
(3) a fuel consumption rate profile of the at least one power generator;
(4) a state of charge (SOC) of the at least one energy storage device;
(5) a durability of the respective equipment,
(6) costs of initial acquisition and depreciation of the at least one power generator and the at least one energy storage device; and
(7) transmission losses of the power distributed by the electric grid.
collocating the at least one power generator and the at least one energy storage device together at a power generation site; and
coupling, via a station transformer at the power generation site, an output of the at least one power generator and an output of the at least one energy storage device to the electric grid.
3. The method of claim 1, wherein responsive to receiving one or more parameters indicating one or more operating set points for a combination of the at least one power generator and the at least one energy storage device, determining, by the controller, the one or more other operating set points for each of the at least one energy storage device and the at least one power generator such that the combination of the at least one power generator and the at least one energy storage device satisfies the one or more operating set points indicated by the received one or more parameters.
adjusting the generated power from the at least one power generator simultaneously with the adjustment of an energy level of the at least one energy storage device to meet the power to be supplied to the electric grid.
5. The method of claim 4, wherein the adjusting of the generated power from the at least one power generator simultaneously with the adjustment of the energy of the at least one energy storage device includes one of:
(1) discharging the at least one energy storage device and increasing the power supplied from the at least one power generator;
(2) discharging the at least one energy storage device and decreasing the power supplied from the at least one power generator;
(3) charging the at least one energy storage device and decreasing the power supplied from the at least one power generator; or
(4) charging the at least one energy storage device and increasing the power supplied from the at least one power generator.
the discharging of the at least one energy storage device and the increasing of the power supplied from the at least one power generator includes discharging stored power during initial ramp-up in power generation by the at least one power generator; and
the charging of the at least one energy storage device and decreasing of the power supplied from the at least one power generator includes storing power for later transmission on the electric grid during ramp-down in the power generation by the at least one power generator.
7. The method of claim 1, wherein the at least one energy storage device includes a converter for converting direct current (DC) to alternating current (AC) and AC to DC.
determining power contribution from the at least one power generator and power contribution from the at least one energy storage device to satisfy the determined present adjustment.
9. The method of claim 1, further comprising responsive to receiving the signal that indicates the present power supply level to be supplied to the electric grid, determining power contribution from the at least one power generator and power contribution from the at least one energy storage device to satisfy the indicated present power supply level.
10. The method of claim 1, wherein the reception of the signal indicating the grid frequency includes detecting instantaneous grid frequency.
the at least one energy storage device and the at least one power generator have different power transient responses.
regulating the power supplied to the electric grid using either the at least one energy storage device or the at least one power generator that has a faster power transient response.
adjusting the energy level of the at least one energy storage device in accordance with the first component; and
storing energy in the at least one energy storage device: (1) at a first level that is below capacity during periods in which power demands on the electric grid are expected to decrease; and (2) at a second level, higher than the first level, during periods in which the power demands on the electric grid are expected to increase.
adjusting, based on the optimum or the predetermined ramp profile, the energy level of the at least one energy storage device to satisfy the received indication.
16. An apparatus for controlling power supplied to an electric grid using at least one power generator and at least one energy storage device coupled to the electric grid, the apparatus comprising:
a controller configured to receive the indication of power to be supplied to the grid from the grid indication receiver, determine an optimum discharge and storage profile of the at least one energy storage device or a predetermined power discharge and storage profile of the at least one energy storage device, adjust the storage of energy by the at least one energy storage device according to the optimum discharge and storage profile or the predetermined power discharge and storage profile of the at least one energy storage device, and adjust, based on the optimum or predetermined power discharge and storage profile of the at least one energy storage device, power generation from the at least one power generator to satisfy the indication of power to be supplied to the electric grid received from the grid indication receiver,
17. The apparatus of claim 16, wherein in response to receiving the one or more parameters indicating one or more operating set points for the combination of the at least one power generator and the at least one energy storage device, the controller is configured to determine the one or more other operating set points for each of the at least one energy storage device and the at least one power generator such that the combination of the at least one power generator and the at least one energy storage device satisfies the one or more operating set points indicated by the received one or more parameters.
18. The apparatus of claim 16, wherein the controller adjusts the generated power from the at least one power generator simultaneously with the adjustment of the energy level of the at least one energy storage device to meet the power to be supplied to the electric grid.
19. The apparatus of claim 18, wherein the controller is further configured to control one of:
(4) charging the at least one energy storage device and increasing the power supplied from the at least one power generator based on the received indication from the grid indication receiver.
the at least one energy storage device and the at least one power generator have different power transient responses such that one of the at least one energy storage device or the at least one power generator that has a faster power transient response regulates the power supplied to the electric grid.
the controller is further configured to adjust the energy level of the at least one energy storage device in accordance with the first component and adjusts the generation of power from the at least one power generator in accordance with the second component.
the at least one energy storage device includes at least one of:
23. The apparatus of claim 16, wherein the at least one energy storage device includes a converter for converting direct current (DC) to alternating current (AC) and AC to DC.
24. The apparatus of claim 16, wherein the controller is further configured to control the at least one energy storage device to store energy:
25. The apparatus of claim 16, wherein the controller is further configured to adjust power generation from the at least one power generator according to an optimum ramp profile or a predetermined ramp profile of the at least one power generator and adjusts, based on the optimum ramp profile or the predetermined ramp profile, the storage of energy of the at least one energy storage device to satisfy the received indication.
26. A system for controlling power supplied to an electric grid, the system comprising:
at least one energy storage device configured to store energy, the at least one energy storage device being coupled to the at least one power generator and the electric grid;
27. A non-transitory computer readable storage medium having instructions stored thereon that, in response to execution by a computing device, cause the computing device to perform operations for controlling power supplied to an electric grid using at least one energy storage device to store energy, the operations comprising:
receiving an indication of power to be supplied to the electric grid from a grid indication receiving device;
determining an optimum discharge and storage profile of the at least one energy storage device or a predetermined power discharge and storage profile of the at least one energy storage device;
adjusting the storage of energy by the at least one energy storage device according to the optimum discharge and storage profile or the predetermined power discharge and storage profile of the at least one energy storage device; and
28. The method of claim 1, wherein the optimum or the predetermined power discharge and storage profile of the at least one energy storage device and an optimum or a predetermined ramp profile of the at least one power generator are based on wear and tear on the at least one power generator and the at least one energy storage device.
US13/527,290 2011-06-20 2012-06-19 Hybrid electric generating power plant that uses a combination of real-time generation facilities and energy storage system Active 2034-04-16 US9559520B2 (en)
US201161499065P true 2011-06-20 2011-06-20
US13/527,290 US9559520B2 (en) 2011-06-20 2012-06-19 Hybrid electric generating power plant that uses a combination of real-time generation facilities and energy storage system
US15/394,400 US9847648B2 (en) 2011-06-20 2016-12-29 Hybrid electric generating power plant that uses a combination of real-time generation facilities and energy storage system
US15/394,400 Continuation US9847648B2 (en) 2011-06-20 2016-12-29 Hybrid electric generating power plant that uses a combination of real-time generation facilities and energy storage system
US20120323396A1 US20120323396A1 (en) 2012-12-20
US9559520B2 true US9559520B2 (en) 2017-01-31
US13/527,290 Active 2034-04-16 US9559520B2 (en) 2011-06-20 2012-06-19 Hybrid electric generating power plant that uses a combination of real-time generation facilities and energy storage system
US15/394,400 Active US9847648B2 (en) 2011-06-20 2016-12-29 Hybrid electric generating power plant that uses a combination of real-time generation facilities and energy storage system
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2012-06-19 DK DK12803361.0T patent/DK2721710T3/en active
2012-06-19 PL PL12803361T patent/PL2721710T3/en unknown
2012-06-19 US US13/527,290 patent/US9559520B2/en active Active
2012-06-19 CN CN201280040497.9A patent/CN103748757B/en active IP Right Grant
2012-06-19 WO PCT/US2012/043138 patent/WO2012177633A2/en active Application Filing
2012-06-19 BR BR112013032742A patent/BR112013032742A2/en active Search and Examination
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2012-06-19 ES ES12803361.0T patent/ES2656140T3/en active Active
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US20170110882A1 (en) 2017-04-20
BR112013032742A2 (en) 2017-02-07
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PL2721710T3 (en) 2018-04-30
CL2013003690A1 (en) 2014-08-29
WO2012177633A3 (en) 2013-03-21
US9847648B2 (en) 2017-12-19
HUE035925T2 (en) 2018-05-28
WO2012177633A2 (en) 2012-12-27
CN103748757B (en) 2017-09-08
RU2642422C2 (en) 2018-01-25
DK2721710T3 (en) 2018-01-29
NO2839105T3 (en) 2018-04-14
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