WO2021061104A1 - Système d'amélioration de la performance d'installations à énergie solaire - Google Patents

Système d'amélioration de la performance d'installations à énergie solaire Download PDF

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Publication number
WO2021061104A1
WO2021061104A1 PCT/US2019/052666 US2019052666W WO2021061104A1 WO 2021061104 A1 WO2021061104 A1 WO 2021061104A1 US 2019052666 W US2019052666 W US 2019052666W WO 2021061104 A1 WO2021061104 A1 WO 2021061104A1
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WO
WIPO (PCT)
Prior art keywords
direct current
transformer
generator
driver
voltage
Prior art date
Application number
PCT/US2019/052666
Other languages
English (en)
Inventor
Peter PREKSTO
Shawn ROHRBAUGH
Original Assignee
Newton Advanced Energy Ltd. Co.
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
Application filed by Newton Advanced Energy Ltd. Co. filed Critical Newton Advanced Energy Ltd. Co.
Priority to PCT/US2019/052666 priority Critical patent/WO2021061104A1/fr
Publication of WO2021061104A1 publication Critical patent/WO2021061104A1/fr

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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
    • H02J3/381—Dispersed generators
    • 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
    • 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

Definitions

  • FIG. 1 illustrates an example environment including a home equipped with solar collectors and a micro power plant system according to some implementations.
  • FIG. 2 illustrates an example block diagram of a process for increasing power storage rates associated with a solar collector according to some implementations.
  • FIG. 3 illustrates an example block diagram of a process for increasing output of a solar collector according to some implementations.
  • FIG. 4 is an example flow diagram of a process associated with the micro power plant system according to some implementations.
  • FIG. 5 illustrates an example environment including a solar installation having the micro power plant system of FIGS. 1-4 according to some implementations.
  • the micro power plant system discussed herein may be coupled between one or more solar collectors and one or more storage units to extend the active hours and to improve the amount of power stored during operation of the solar system.
  • a charge control unit may require a minimum threshold voltage, often upwards of twenty-four volts, to activate and begin storing electricity.
  • the solar collectors generate direct current but at less than the twenty-four volts required to initiate storage by the charging control unit.
  • the micro power plant system discussed herein may convert the direct current into alternating current,. In this manner, at least a portion of the power generated by the solar collectors during the off-peak hours may be captured, processed, and then ultimately stored.
  • the micro power plant system may increase a voltage associated with the electricity being stored or provided to a power grid.
  • the micro power plant system may increase the voltage of the store electricity in proportion and relation to a ratio of the transformer.
  • the voltage of the electricity stored may be increased by the system by more than 10% of the voltage of the electricity generated by the solar collectors.
  • the voltage of the electricity stored may be increased by the system by up to 50% of the voltage of the electricity generated by the solar collectors.
  • the system may be electrically coupled to one or more solar collectors to receive direct current and to one or more power storage units and/or charge control units to output direct current.
  • the system may receive the direct current from the solar collectors and convert the direct current to kinetic energy via a driver.
  • the kinetic energy is fed into a generator, such as a permanent magnetic generator, which produces alternating current, such as three phase alternating current.
  • the three-phase alternating current is then provided to a step-up transformer.
  • the output of the step-up transformer is then output to a passive rectifier which converts the alternating current back to a direct current within a desired voltage range of the charging control unit and/or the storage unit.
  • FIG. 1 illustrates an example environment 100 including a home equipped with solar collectors 102 and a micro power plant system 104 according to some implementations.
  • the micro power plant system 104 may be electrically coupled between the solar collectors 102 and the storage units 106 (e.g., one or more batteries).
  • the micro power plant system 104 may receive input power 108 generated by the solar collectors 102 in the form of a direct current from the solar collectors 102 and provide output power 110 in the form of a direct current to the storage units 106.
  • the input power 108 may have a different voltage and/or amperage than the output power 110.
  • the solar collectors 102 may produce different voltages and/or amperages depending on the amount of solar energy available at any given time.
  • the storage units 106 will have an associated charge control unit 112 that controls (e.g., controls the process of charging of the storage units 106) upon certain criteria.
  • the storage units 106 may be configured to receive a power having a voltage equal to or greater than a minimum voltage threshold and less than or equal to a maximum voltage threshold (e.g., between a particular voltage range) and the charging control unit 112 may be configured to activate when the incoming current exceeds the minimum voltage and to deactivate when the incoming current falls below the minimum voltage.
  • the solar collectors may produce electricity but at a voltage below the minimum voltage required for the charging control unit 112 and/or the storage units 106 to initiate charging.
  • the micro power plant system 104 may receive the input power 108 at a first voltage below the minimum threshold, process the power, and output the output power 110 at a second voltage above the minimum threshold, such that the charging control unit 112 activates and begins to charge the storage units 106 during periods in which conventional solar installations are inactive. Therefore, the micro power plant system 104 allows for increased time periods of active changing and ultimately more power being stored in the storage units 106.
  • the solar collectors 102 may produce the input power 108 at a voltage over the maximum voltage associated with the charging control unit 112 and/or the storage units 106.
  • the micro power plant system 104 may modify the input power 108 to lower the voltage below the maximum voltage threshold, while concurrently increasing the amperage of the current. In this manner, the micro power plant system 104 allows more power to be stored in the storage units 106 and reduces energy loss or leakage by the solar collectors 102.
  • the input power 108 is received by the micro power plant system 104 in the form of a direct current and the output power 110 provided by the micro powerplant system 104 is in the form of a direct current when provided to the power storage unit 106.
  • the output power 110 may be in the form of an alternating current when provided to, for instance a power grid.
  • an inverter 114 (or other DC to AC converter) may be positioned between the home 116 or power grid and the storage units 106 to convert the stored direct current into alternating current for use by the home 116.
  • a micro plant system such as the micro power plant system 104 of FIG. 1, may be configured to increase both operating hours and energy storage of a solar system.
  • a solar collector 202 may convert solar radiation into energy via a photovoltaic process.
  • the amount of electricity produced by any given solar collector 202 may vary based on geographical location, angle and/or position of the solar collector, capabilities of the solar collector (e.g., wattage, voltage rating, surface area, quality, etc.), weather conditions, thermal loss of the system, and time of day.
  • the solar collectors may include panels or modules formed from crystalline silicon (c-Si), cadmium telluride, or amorphous silicon or solar cells made of multicrystalline and/or monocrystalline silicon.
  • the electricity produced by the solar collector 202 is provided to a driver 204 of the micro power plant system 104 as direct current.
  • the driver 204 may be, for example, a direct current driver coupled to a direct current controller that converts the direct current into three channels, which power the driver 204.
  • the direct current driver 204 is then able to process variations in voltage and/or amperage of the direct current produced by the solar collector 202. For example, an increase in voltage and/or amperage of the direct current over the storage unit’ s maximum threshold may be translated into additional kinetic energy by the driver 204 instead of being lost as in conventional systems.
  • the driver 204 is coupled to a generator 206 and the generator may be configured to convert the kinetic energy into alternating current.
  • the driver 204 may be coupled directly to the generator 206 via a shaft.
  • the driver 204 may be coupled to the generator 206 via a gear shaft at one or more desired ratios to adjust the rotational speed and/or torque to a desired operational setting. For example, an increase in torque may increase amperage and an increase in rotational speed may increase voltage of the resulting alternating current. Likewise, a decrease in torque may decrease amperage and a decrease in rotational speed may decrease voltage of the resulting alternating current.
  • the generator 206 may convert the kinetic energy into alternating current processable or manipulability by the micro power plant system 104.
  • the alternating current produced by the generator 206 may be a three-phase alternating current that can be transformed into higher or lower states with minimal energy loss during the process.
  • the generator 206 may be a permanent magnetic generator.
  • the generator 206 may be electrically coupled to a transformer 208.
  • the transformer 208 may be configured to step up the voltage of the alternating current prior to storage. For instance, in some examples, the transformer 208 may cause a 1:2, 1:4, 1 :6, or 1 :8 increase in voltage. In one particular example, the voltage of the alternating current may be doubled by the transformer 208.
  • the transformer 208 is configured to provide isolations between the generator 206 and the downstream components of the micro power plant system 104. For example, during peak hours, the micro power plant system 104 may increase the voltage produced by up to 55% or the relative equivalent in relation to the transformer 208. In some cases, the system 104 increases the voltage in proportion and relation to the ratio of the transformer 208 to the generator 206.
  • the transformer 208 may be designed to allow for the increase in peak voltage by including an additional charge controller wired in parallel.
  • the transformer 206 may be wired or coupled using a delta configured or a delta/delta configuration to produce a balanced load and improve overall efficiency.
  • the transformer 206 in some examples, may be a toroidal transformer to reduce eddy currents that may develop during the step-up process.
  • the transfer 208 may be a toroidal delta/delta transfer it should be understood that in other implementations, other configurations or designs may be used.
  • the transformer 208 may be electrically coupled to a passive rectifier 210.
  • the passive rectifier 210 is configured to convert the alternating current output by the transformer 208 into a direct current at the desired voltage.
  • the direct current output by the passive rectifier 210 is then received by a charging control unit 212.
  • the charging control unit 212 may convert voltage above the maximum threshold of the storage units 214 into amperage to improve storage.
  • the passive rectifier 210 may be selected to reduce electrical magnetic field backlash into the micro power plant system 200, and the passive rectifier 210 ability to utilize a full waveform for alternating current into direct current conversion, thereby allowing more of the energy to be stored in the storage units 214 or provided to the home 220 or power grid 222.
  • the charging control unit 212 is electrically coupled to the storage units 214.
  • the storage units 214 (or storage units 106 of FIG. 1) receive the direct current at the desired voltage for storage until the power is requested by a consumer. It should be understood that the number and storage capacity of the storage units may vary from installation to installation and may be changed during use or after installation.
  • the micro power plant system 104 may monitor the amount of electricity produced by the system and the amount of electricity stored in the storage units 214 via one or more current sensors. In this example, the micro power plant system 104 sends an alert to a device associated with a maintenance personnel, system operator, and/or owner of the system to notify the individual that an increase in storage capacity would result in more energy stored and an improvement in performance of the solar installation.
  • the storage units 214 may be electrically coupled to an inverter 216 (or inverter 114 of FIG. 1).
  • the inverter 216 converts the direct current stored by the storage units 214 to alternating current for consumption by electronic devices and/or components 218, a home 220, and/or the power grid 222.
  • FIG. 3 illustrates an example block diagram of the micro power plant system 104 according to some implementations.
  • the micro power plant system 104 may be coupled to one or more solar collectors, such as solar collectors 102 and/or 202 of FIGS. 1 and 2 respectively, to improve the overall amount of electricity ultimately captured and stored in storage units, such as storage units 312.
  • the micro plant 104 may include one or more drivers 302 configured to receive the raw direct current from the solar collectors and convert the direct current into kinetic energy.
  • the driver 302 may be a direct current driver coupled to a direct current controller 304 that converts the raw direct current into three channels, which power the driver 302 as well as the other components of the micro power plant system 104.
  • the system 104 may be configured to split the direct current received from the solar collectors, such that the system 104 may be powered from the energy generated by the solar collectors.
  • the driver 302 is coupled to a generator 306 and the generator 306 may be configured to convert kinetic energy produced by the driver 302 into alternating current.
  • the driver 302 may be coupled directly to the generator 306 via a shaft.
  • the driver 302 may be coupled to the generator 306 via a gear shaft at one or more desired ratios or via a torque amplifier to adjust the rotational speed and/or torque to a desired operational setting.
  • the generator 306 may convert the kinetic energy into alternating current processable or manipulability by the micro power plant system 104.
  • the generator 306 may be a generator in which the excitation field is provided by a permanent magnet.
  • the generator 306 may include a rotating assembly including a magnet in the center of a stationary armature that is electrically connected to a load.
  • the generator 306 may include a set of three conductors associated with the armature to generate three phases alternating current.
  • the generator 306 may be electrically coupled to a transformer 308.
  • the transformer 308 may be configured to step up the voltage of the alternating current prior to storage. As discussed above, the transformer 308 may be toroidal and have a delta/delta configuration to produce a balanced load and improve overall efficiency.
  • the transformer 308 may be electrically coupled to a rectifier 310.
  • the rectifier 310 may be a passive rectifier that is configured to convert the alternating current output by the transformer 308 into a direct current at a desired voltage. The direct current output by the rectifier 310 is then received by a charging control unit 312.
  • the charging control unit 312 may limit or regulate a rate at which the direct current is added or drawn from the storage units 314.
  • the charging control unit 312 may be configured to prevent overcharging and complete drainage of the storage units 312.
  • the storage units 314 receive the direct current at the desired voltage for storage from the charging control unit 312. It should be understood that the number and storage capacity of the storage units may vary from installation to installation and may be changed during use or after installation.
  • the storage units 312 may include electrochemical or batteries, such as one or more of lead acid based batteries, lithium or lithium ion based batteries, nickel cadmium (NiCad) based batteries, nickel iron (NIFE) based batteries, as well as another type of batteries, mechanical systems, such as fly wheels or compression systems, thermal storage units, or other types of storage units for use with an electrical system.
  • An inverter 316 or other type of AC to DC converter may be coupled between the storage unit 314 and a home or a commercial electrical grid to convert the stored direct current into alternating current prior to usage.
  • the system 104 may also include one or more sensors 318.
  • the system 104 may include one or more current sensors to collect current data 344.
  • the current sensors may be configured to monitor the direct current received from the solar collectors, one or more current sensors configured to monitor the alternating current output by the generator 306, one or more current sensors configured to monitor the alternating current output by the transformer 308, one or more current sensors configured to monitor the direct current received by the charge control unit 312 and/or the storage units 314.
  • the micro power plant system 104 may monitor the amount of electricity produced by the solar collectors, the system 104, and the amount of electricity stored in the storage units 314.
  • the one or more sensors 318 may include temperature sensors, solar radiation sensors, moisture sensors, and/or other environmental sensors.
  • the system 104 may collect data associated with the temperature of the environment and/or the system 104 to determine if energy is being lost to heat, which may indicate a malfunction of the system 104.
  • the system 104 may collect environmental data 342 to assist in determining the environmental factors that improve or decline the energy output of the system 104.
  • the system 104 may output the environmental data 342 and/or the current data 344 such that the system 104 and/or a third party system may compare the micro power plant system 104 with other micro plants or other types of systems under similar operational conditions.
  • the micro power plant system 104 includes one or more communication interfaces 320.
  • the one or more communication interfaces 320 may be configured to facilitate communication between one or more networks, one or more cloud-based systems, and/or one or more local devices.
  • the communication interfaces 320 may also facilitate communication between one or more wireless access points, a master device, and/or one or more other computing devices as part of an ad-hoc or home network system.
  • the communication interfaces 320 may support both wired and wireless connection to various networks, such as cellular networks, radio, WiFi networks, short-range or near-field networks (e.g., Bluetooth®), infrared signals, local area networks, wide area networks, the internet, and so forth.
  • the communication interfaces 320 may be configured to send an alert to a device associated with a maintenance personnel, system operator, and/or owner of the system to notify the individual related to any issue or malfunction detected with the system 104.
  • the micro power plant system 104 may also include one or more processors 322, such as at least one or more access components, control logic circuits, central processing units, or processors, as well as one or more computer-readable media 324 to perform the function associated with the alert device 300. Additionally, each of the processors 322 may itself comprise one or more processors or processing cores.
  • the computer-readable media 324 may be an example of tangible non-transitory computer storage media and may include volatile and nonvolatile memory and/or removable and non-removable media implemented in any type of technology for storage of information such as computer-readable instructions or modules, data structures, program modules or other data.
  • Such computer-readable media may include, but is not limited to, RAM, ROM, EEPROM, flash memory or other computer-readable media technology, CD-ROM, digital versatile disks (DVD) or other optical storage, magnetic cassettes, magnetic tape, solid state storage, magnetic disk storage, RAID storage systems, storage arrays, network attached storage, storage area networks, cloud storage, or any other medium that can be used to store information and which can be accessed by the processors 314.
  • modules such as instruction, data stores, and so forth may be stored within the computer-readable media 324 and configured to execute on the processors 322.
  • the computer-readable media 324 store activation instructions 326, monitoring instructions 328, system adjustment instructions 330, storage instructions 332, alert instructions 334, and output instructions 336, as well as other instructions 338.
  • the computer-readable media 324 may also store data, such as control data 340 (e.g., pre-defmed commands or thresholds), environmental data 342, and/or current data 344.
  • the activation instructions 326 may be configured to process current data 344 associated with the raw direct current received from the solar collectors and to activate the system 104 when the voltage or amperage of the raw direct current exceeds a micro power plant minimum threshold.
  • the micro power plant minimum threshold is less than the minimum storage threshold associated with the charging control unit 312 and/or the storage units 314.
  • the micro power plant minimum threshold may be set by a user or operator and stored as part of the control data 340.
  • the activation instructions 326 may activate the micro power plant system 104 when the voltage of the direct current from the solar collectors meets or exceeds 5 volts.
  • the activation instructions 326 may activate the micro power plant system 104 when the voltage of the direct current from the solar collectors meets or exceeds 2 volts. In some cases, the activation instructions 326 may control the source of the power (e.g., the solar collectors or the storage units 314) for the micro power plant system 104.
  • the monitoring instructions 328 may be configured to cause the sensors 318 to collect data associated with the operations of the system. For example, the monitoring instructions 328 may monitor the current input to the system and the current output by the system. In other examples, the monitoring instructions 328 may monitor the temperature of the system 104 and/or the operational efficiency of the mechanical/electrical components.
  • the system adjustment instructions 330 may be configured to compare one or more operational thresholds stored as part of the control data 340 and to adjust one or more parameters of the system 104 when desired conditions are met or exceeded. For example, the system adjustment instructions 330 may be associated with an autotransformer.
  • the storage instructions 332, in some examples, may be associated with the charging control unit.
  • the storage instructions 332 may control the flow of electricity into the storage units 314.
  • the storage instructions 332 may prevent current having a voltage above the storage unit maximum threshold and/or below the storage unit’s minimum threshold from being provided to the storage units 314 in order to prevent damage or corruption of the storage units 314.
  • the alert instructions 334 may be configured to cause the communication interface 320 to send an alert or notification to a remote device associated with the system 104 or a user of the system 104. For example, if the system 104 determines from the environmental data 342 that solar radiation is high but that, from the current data 344, that the direct current received from the solar collectors is low, the system 104 may send an alert to notify an operator that there may be an issue with the solar collectors and/or a coupling between the solar collectors and the micro power plant system 104.
  • the output instructions 336 may be associated with the charging control unit.
  • the output instructions 336 may control the flow of electricity out of the storage units 314.
  • the storage instructions 332 may prevent the storage units 314 from completely discharging.
  • FIG. 4 is an example flow diagram of a process 400 associated with the micro plant system, such as micro power plant system 104, according to some implementations.
  • the process 400 is illustrated as a collection of blocks in a logical flow diagram, which represent a sequence of operations, some or all of which can be implemented in hardware, software or a combination thereof.
  • the order in which the operations are described should not be construed as a limitation. Any number of the described blocks can be combined in any order and/or in parallel to implement the process, or alternative processes, and not all of the blocks need be executed.
  • the processes herein are described with reference to the frameworks, architectures, and environments described in the examples herein, although the processes may be implemented in a wide variety of other frameworks, architectures or environments.
  • solar collectors associated with the micro power plant system may harvest electricity in the form of direct current.
  • the solar collectors may convert solar radiation into energy via a photovoltaic process.
  • the amount of electricity produced by any given solar collector may vary based on geographical location, angle and/or position of the solar collector, capabilities of the solar collector (e.g., wattage, voltage rating, surface area, quality, etc.), weather conditions, thermal loss of the system, and time of day.
  • the micro power plant system may convert the direct current into kinetic energy.
  • a driver may receive the direct current from the solar collectors and covert the direct current to kinetic or mechanical energy.
  • the micro power plant system may convert the kinetic energy into an alternating current.
  • the driver may be coupled to a generator and the generator may convert kinetic energy produced by the driver into alternating current.
  • the generator may he a permanent magnetic generator that produces three phases alternating current.
  • the driver and the permanent magnetic generator may he a predetermined mass differential.
  • the micro power plant system may step up a voltage associated with the alternating current produced by the generator.
  • the generator may be electrically coupled to a transformer.
  • the transformer may be configured to step up the voltage of the alternating current prior to storage.
  • the transformer may cause a 1:2, 1:4, 1:6, or 1:8 increase in voltage.
  • the transformer may be a toroidal transformer having a delta/delta configuration.
  • the micro power plant system may convert the stepped-up alternating current into direct current prior to storage.
  • the transformer may be electrically coupled to a passive rectifier configured to convert the alternating current output into a direct current at the desired voltage.
  • the micro power plant system may store the direct current in a storage unit, such as a battery.
  • a storage unit such as a battery.
  • the direct current output by the passive rectifier may be received by a charging control unit.
  • the charging control unit may be electrically coupled to the storage units and control the voltage of the direct current received by the storage units.
  • the micro power plant system may covert the stored direct current into alternating current for use by a consumer. For instance, when electricity is requested by a device, component, or electrical service, an inverter may convert the direct current stored by the storage units to alternating current for consumption. It should be understood, that in installations of homes that are powered by direct current, the system discussed herein may not include the inverter and the power may be drawn directly from the storage units.
  • FIG. 5 illustrates an example environment 500 including a solar installation 502 having the micro power plant system of FIGS. 1-4 according to some implementations. In the current example, one of the benefits of the micro plant system, discussed herein, is illustrated. Conventional solar systems typically only operate during a peak collection interval or an insolation period 504.
  • the storage units associated with conventional solar systems are only charged during a small window of time.
  • the solar collectors of the system generate current during a much wider period of time.
  • the solar collectors may receive some solar radiation during two extended collection intervals, generally indicated by 506(A) and 506(B).
  • the first extended collection interval 506(A) may be in the morning as the sun is rising and the second extended collection interval 506(B) may be in the evening as the sun is setting.
  • the solar installation 502 may begin to capture and store energy during extended collection interval 506(A) and continue to capture and store energy during extended collection interval 506(B).
  • the micro power plant system increases the overall output of energy when compared with a conventional system.
  • environment 500 illustrates one example of the increased output caused by the micro power plant system.
  • another improvement may result from increases in voltage of the stored power during the peak collection interval 504.
  • the system discussed herein may capture the direct current by converting the direct current into alternating current, processing the alternating current, and then outputting power having a higher voltage than the input power.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

L'invention concerne un système (104) permettant d'améliorer la production d'énergie d'installations à énergie solaire. Le système (104) peut être couplé entre les collecteurs solaires (102) et l'unité de stockage (106) pour améliorer une efficacité ou une quantité d'énergie stockée par rapport à l'énergie produite par les collecteurs solaires (102). Dans certains cas, le système (104) peut permettre la collecte et le stockage d'électricité pendant les heures creuses et l'augmentation de l'énergie totale récoltée par les collecteurs solaires (102) pendant les heures de pointe.
PCT/US2019/052666 2019-09-24 2019-09-24 Système d'amélioration de la performance d'installations à énergie solaire WO2021061104A1 (fr)

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Application Number Priority Date Filing Date Title
PCT/US2019/052666 WO2021061104A1 (fr) 2019-09-24 2019-09-24 Système d'amélioration de la performance d'installations à énergie solaire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2019/052666 WO2021061104A1 (fr) 2019-09-24 2019-09-24 Système d'amélioration de la performance d'installations à énergie solaire

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110089887A1 (en) * 2005-08-24 2011-04-21 Ward Thomas A Solar panel charging system for electric vehicle that charges individual batteries with direct parallel connections to solar panels

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110089887A1 (en) * 2005-08-24 2011-04-21 Ward Thomas A Solar panel charging system for electric vehicle that charges individual batteries with direct parallel connections to solar panels

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
HAMID RAZA ET AL: "What is best method to convert DC into AC e.g. using sinewave inverter or alternator powered by DC motor", 5 May 2017 (2017-05-05), XP055666518, Retrieved from the Internet <URL:https://www.researchgate.net/post/what_is_best_method_to_convert_DC_into_AC_eg_using_sinewave_inverter_or_alternator_powered_by_DC_motor> [retrieved on 20200207] *

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