GB2587953A - A power supply - Google Patents

A power supply Download PDF

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Publication number
GB2587953A
GB2587953A GB2017666.5A GB202017666A GB2587953A GB 2587953 A GB2587953 A GB 2587953A GB 202017666 A GB202017666 A GB 202017666A GB 2587953 A GB2587953 A GB 2587953A
Authority
GB
United Kingdom
Prior art keywords
power supply
supply according
energy
energy storage
source
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
GB2017666.5A
Other versions
GB202017666D0 (en
Inventor
James Sysouphat Andrew
David Kennedy Stephen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BAE Systems Australia Ltd
Original Assignee
BAE Systems Australia Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from AU2018901439A external-priority patent/AU2018901439A0/en
Application filed by BAE Systems Australia Ltd filed Critical BAE Systems Australia Ltd
Publication of GB202017666D0 publication Critical patent/GB202017666D0/en
Publication of GB2587953A publication Critical patent/GB2587953A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J1/00—Circuit arrangements for dc mains or dc distribution networks
    • H02J1/10—Parallel operation of dc sources
    • H02J1/102—Parallel operation of dc sources being switching converters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/28—Arrangements for balancing of the load in a network by storage of energy
    • H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • H02J7/00036—Charger exchanging data with battery
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
    • H02S10/40—Mobile PV generator systems
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/30—Electrical components
    • H02S40/38—Energy storage means, e.g. batteries, structurally associated with PV modules
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
    • B64G1/00—Cosmonautic vehicles
    • B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
    • B64G1/42—Arrangements or adaptations of power supply systems
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J2207/40—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries adapted for charging from various sources, e.g. AC, DC or multivoltage
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20—The dispersed energy generation being of renewable origin
    • H02J2300/22—The renewable source being solar energy
    • H02J2300/24—The renewable source being solar energy of photovoltaic origin
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20—The dispersed energy generation being of renewable origin
    • H02J2300/22—The renewable source being solar energy
    • H02J2300/24—The renewable source being solar energy of photovoltaic origin
    • H02J2300/26—The renewable source being solar energy of photovoltaic origin involving maximum power point tracking control for photovoltaic sources
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/56—Power conversion systems, e.g. maximum power point trackers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E70/00—Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin

Abstract

A power supply for a standalone device having a common power rail, the power supply including a plurality of power supply units each including: an input for receiving source energy from an energy source; an output for providing output energy to the common power rail; an energy storage device; and a control unit for selectively allowing: the source energy to be stored in the energy storage device; and the output energy to be drawn from the energy storage device.

Claims (39)

THE CLAIMS DEFINING THE INVENTION ARE AS FOLLOWS:
1. A power supply for a standalone device having a common power rail, the power supply including a plurality of power supply units each including: an input for receiving source energy from an energy source; an output for providing output energy to the common power rail; an energy storage device; and a control unit for selectively allowing: the source energy to be stored in the energy storage device; and the output energy to be drawn from the energy storage device.
2. A power supply according to claim 1 wherein the power source includes a plurality of sub-sources.
3. A power supply according to claim 2 wherein each of the plurality of sub-sources is connected, and provides source energy, to a corresponding input.
4. A power supply according to claim 2 or claim 3 wherein a subset of the plurality of sub-sources include photovoltaic panels.
5. A power supply according to any one of claims 2 to 4 wherein each sub-source includes a photovoltaic panel.
6. A power supply according to claims 4 or claim 5 wherein each photovoltaic panel includes at least one photovoltaic cell.
7. A power supply according to any one of the preceding claims wherein at least a subset of the energy storage devices each include a rechargeable direct current (DC) energy storage unit.
8. A power supply according to any one of the preceding claims wherein the energy storage device includes a rechargeable direct current (DC) energy storage unit.
9. A power supply according to claim 7 or claim 8 wherein the energy storage unit includes a battery.
10. A power supply according to claim 9 wherein the battery is a lithium-polymer battery.
11. A power supply according to claim 10 wherein the battery is a single cell lithium- polymer battery.
12. A power supply according to any one of claims 7 to 11 wherein the energy storage device includes a supercapacitor.
13. A power supply according to any one of the preceding claims wherein at least a subset of the energy storage devices include a vibration energy harvesting device.
14. A power supply according to any one of the preceding claims wherein at least a subset of the energy storage devices include a radio isotope thermal generator.
15. A power supply according to any one of the preceding claims wherein at least a subset of the energy storage devices include a thermoelectric generation device.
16. A power supply according to any one of the preceding claims wherein the standalone device is selected from the group including: a space satellite; a space craft other than a satellite; an aircraft; a drone; a watercraft; an earthbound vehicle; and a wearable system.
17. A power supply according to any one of the preceding claims wherein the each input receives the source energy at a respective first DC voltage and the respective control units draw the output energy such that it is provided to the common rail at a second DC voltage.
18. A power supply unit according to claim 17 wherein the first DC voltages are different to the second DC voltage.
19. A power supply unit according to claim 17 or claim 18 wherein, in operation, the first DC voltages are always different to the second DC voltage.
20. A power supply unit according to any one of claims 17 to 19 wherein the converter units includes a boost function and the first DC voltages are lower than the second DC voltage.
21.A power supply according to any one of the preceding claims including a controller for controlling at least one of the control units.
22. A power supply according to claim 21 wherein the controller controls all of the control units.
23. A power supply according to claim 21 or claim 22 wherein the controller individually controls all of the control units.
24. A power supply according to any one of claims 21 to 23 wherein the controller controls at least one of the control units to regulate the output energy supplied to the common rail.
25. A power supply according to any one of claims 21 to 24 wherein the controller controls at least one of the control units to regulate the output energy supplied to the common rail by the respective power supply units.
26. A power supply according to any one of claims 21 to 25 wherein the controller controls at least one of the control units by selectively connecting and disconnecting the respective outputs to and from the common rail.
27. A power supply according to any one of claims 21 to 25 wherein the controller controls at least one of the control units by selectively activating and deactivating the respective control units.
28. A power supply according to any one of the preceding claims wherein the plurality of sub-sources include at least two different power sources.
29. A power supply according to any one of the preceding claims wherein at least one of the control units obtains operational data for the respective power supply unit.
30. A power supply according to claim 29 wherein the operational data is derived from one or more characteristics of the source energy and/or the output energy.
31.A power supply according to claim 29 or claim 30 wherein at least one of the control units selectively transmits the operational data.
32. A power supply according to claim 29 to 31 wherein the control unit transmits the operational data wirelessly to a base station.
33. A power supply according to claim 32 when also depended from any one of claims 21 to 27, wherein the controller includes the base station.
34. A power supply according to any one of the preceding claims wherein the power supply units are modular.
35. A power supply according to any one of the preceding claims wherein the energy source is intermittent.
36. A power supply according to any one of the preceding claims wherein the energy source includes a plurality of sub-sources, all of which are intermittent.
37. A power supply according to claim 36 wherein each input is configured to receive source energy from a respective sub-source.
38. A power supply for supplying electrical energy to a load, the power supply including a plurality of power supply units, wherein each unit includes: an input for connecting to and drawing energy from an intermittent energy source; an output for connecting to the load; an energy storage device; a charging unit for selectively connecting the energy storage device to the input to draw energy from the energy source; and a switching unit for selectively connecting the energy storage device to the output to supply electrical energy to the load.
39. A power supply according to claim 38 wherein the energy source includes a plurality of sub-sources and the input for each unit is connected with a respective one of the sub-sources.
GB2017666.5A 2018-04-30 2019-04-30 A power supply Withdrawn GB2587953A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2018901439A AU2018901439A0 (en) 2018-04-30 A power supply
PCT/AU2019/050388 WO2019210358A1 (en) 2018-04-30 2019-04-30 A power supply

Publications (2)

Publication Number Publication Date
GB202017666D0 GB202017666D0 (en) 2020-12-23
GB2587953A true GB2587953A (en) 2021-04-14

Family

ID=68386915

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2017666.5A Withdrawn GB2587953A (en) 2018-04-30 2019-04-30 A power supply

Country Status (3)

Country Link
AU (1) AU2019262087A1 (en)
GB (1) GB2587953A (en)
WO (1) WO2019210358A1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150200311A1 (en) * 2014-01-14 2015-07-16 International Business Machines Corporation Monolithically integrated thin-film device with a solar cell, an integrated battery, and a controller
US20160190812A1 (en) * 2014-11-24 2016-06-30 Ming Solar, Inc Solar modular power system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150200311A1 (en) * 2014-01-14 2015-07-16 International Business Machines Corporation Monolithically integrated thin-film device with a solar cell, an integrated battery, and a controller
US20160190812A1 (en) * 2014-11-24 2016-06-30 Ming Solar, Inc Solar modular power system

Also Published As

Publication number Publication date
AU2019262087A1 (en) 2020-11-19
GB202017666D0 (en) 2020-12-23
WO2019210358A1 (en) 2019-11-07

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WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)