664 results about "Solar generator" patented technology

The invention relates to a conditioning circuit that measures operating points of a power supply to deduce therefrom the current-voltage characteristic thereof and to determine directly the voltage corresponding to its maximum power point, without using any kind of tracking algorithm that causes the operating point of the power unit to oscillate about the maximum power point. The maximum power point voltage VMPP is supplied to a controller which regulates a power cell by slaving it to the input voltage until the output voltage of the supply is equal to the maximum power point voltage VMPP. The invention also relates to a solar generator and an associated conditioning method. One particular application is to high-power satellites.

The present invention is a system for providing power from solar cells whereby each cell or cell array is allowed to produce its maximum available power and converted by an operatively connected DC / DC converter. Each cell or cell array has its own DC / DC converter. In one form the system for providing power from solar cells includes one or more solar generators wherein each of said solar generators has one to nine solar cells; a maximum power tracker operatively associated with each solar generator, each of said maximum power tracker includes a buck type DC / DC converter without an output inductor, each of said maximum power trackers are operatively connected in series with each other; an inductor operatively connected to the series connected maximum power trackers; and means for providing electrical power from the inductor to load means, wherein each of said maximum power trackers is controlled so that the operatively associated solar generator operates at its maximum power point to extract maximum available power.

A landing pad receives and stores packages delivered from an aerial vehicle are awaiting pickup from an aerial vehicle. The landing pad can be placed outside of a window and can contain a transmitter for sending out an identification signal via radio frequency to aid aerial vehicles in finding the landing pad. The landing pad contains a landing platform with a trapdoor that leads to a storage compartment. The trapdoor can be configured to only open when it receives a signal from an authorized aerial vehicle. The storage compartment can be accessed via a storage compartment door which can contain a locking mechanism. The storage compartment can be climate controlled. The landing pad can also have a transmitter that emits sounds to discourage animals from nesting on or near the landing pad. The landing pad can also include a solar power generator as a source of electrical energy.

A system for providing power from solar cells where each cell or cell array is allowed to produce its maximum available power and converted by its own DC / DC converter. In one form the system includes: one or more solar generators, each of which has at least one solar cell; a maximum power tracker operatively associated with each solar generator, where the maximum power tracker includes a buck type DC / DC converter without an output inductor, and the maximum power trackers of the solar generators are operatively connected in series with each other; and an inductor operatively connected to the series connected maximum power trackers.

The invention relates to a circuit arrangement for controlling / regulating photovoltaic systems (10b) which comprise a plurality of solar generators (14b) connected in series or / and connected in parallel. In order to prevent power loss of solar generators, which is based on the fact that not all solar generators are operated in the MPP thereof, each solar generator is associated with a variable energy bypass (68b) that is controlled / regulated in such a manner that each solar generator (14b) is operated continuously in its respective current specific MPP.

The invention relates to a conditioning circuit that measures operating points of a power supply to deduce therefrom the current-voltage characteristic thereof and to determine directly the voltage corresponding to its maximum power point, without using any kind of tracking algorithm that causes the operating point of the power unit to oscillate about the maximum power point. The maximum power point voltage VMPP is supplied to a controller which regulates a power cell by slaving it to the input voltage until the output voltage of the supply is equal to the maximum power point voltage VMPP. The invention also relates to a solar generator and an associated conditioning method. One particular application is to high-power satellites.

An economical solar generator system is provided wherein the solar energy collector is constructed from a plurality of heat exchangers of the kind used as evaporators in automobile air conditioners. The solar generator system includes a plurality of said heat exchangers connected to receive incoming liquefied refrigerant under pressure. The number of such heat exchangers is sufficient to collect solar energy sufficient to induce a phase change from a liquid to a gas state. The solar generator system also includes an air motor and an electric generator. The air motor is coupled to the outflow heated gas from the plurality of heat exchangers. The air motor is rotated by the heated gas. The electrical generator is coupled to the air motor so that rotation of said air motor causes rotation of said generator.

A portable PV modular solar generator for providing electricity to a stationary electrically powered device. A plurality of wheels is attached to a rechargeable battery container. The plurality of wheels allow for movement of the PV modular solar generator so that the distance can be varied between the PV modular solar generator can be positioned in optimum sunlight. There is a rechargeable battery contained inside the rechargeable battery container. There is a pivotally connected photovoltaic panel for generating electricity. There is an electrical component for receiving an processing electricity generated by the pivotally connected photovoltaic panel. The electrical component also directs the electricity to either the rechargeable battery for storage or to the stationary electrically powered device. The PV modular solar generator supplies energy to an AC main panel for the stationary electrically powered device. The AC main panel receives generated energy from a public utility grid. The PV modular solar generator also includes a computer for monitoring the status of the public utility grid. The computer is capable of disconnecting the public utility grid from the AC main panel when the public utility grid is not energized and computer is also capable of connecting the public utility grid to the AC main panel when the public utility grid is energized.

A portable PV modular solar generator. A plurality of wheels are attached to the bottom of a rechargeable battery container. At least one rechargeable battery is contained inside the rechargeable battery container. A power conditioning panel is connected to the rechargeable battery container. At least one photovoltaic panel is pivotally connected. In a preferred embodiment, the rechargeable battery container is a waterproof battery enclosure having a knife switch connection. A mast having a rotation bar is supported by the waterproof battery enclosure. At least one solar panel support brace for supporting the photovoltaic panel is attached to the rotation bar. The power conditioning panel is waterproof, is attached to the mast and has a door. When the door is opened, at least one safety switch is opened, breaking an electric circuit. The waterproof power conditioning panel has a charge controller and an inverter. The charge controller is electrically connected to at least one rechargeable battery and at least one photovoltaic panel, and is capable or receiving auxiliary power inputs.

A landing pad receives and stores packages delivered from an aerial vehicle and awaiting pickup from an aerial vehicle. The landing pad can be placed outside of a window and can contain a transmitter for sending out an identification signal via radio frequency to aid aerial vehicles in finding the landing pad. The landing pad contains a landing platform with a trapdoor that leads to a storage compartment. The trapdoor can be configured to only open when it receives a signal from an authorized aerial vehicle. The storage compartment can be accessed via a storage compartment door which can contain a locking mechanism. The storage compartment can be climate controlled. The landing pad can also have a transmitter that emits sounds to discourage animals from nesting on or near the landing pad. The landing pad can also include a solar power generator as a source of electrical energy.

Provided are a charging and discharging system for a solar light power generator in a smart grid environment, a method of operating the same, and a duplex converter for charging and discharging electricity into / from a battery. The system includes: an electricity price monitoring part which collects electricity price information from an electric grid; an electricity charge amount monitoring part which collects electricity charge amount information of a battery; a charge and discharge determination part which determines whether electricity supplied from the electric grid is to be charged into the battery or whether electricity stored in the battery via the electric grid or the solar light power generator is to be discharged to the electric grid, based on the price information and the charge amount information; and a charging and discharging part including the battery, so that electricity is charged into or discharged from the battery based on the determination.

A landing pad receives and stores packages delivered from an aerial vehicle are awaiting pickup from an aerial vehicle. The landing pad can be placed outside of a window and can contain a transmitter for sending out an identification signal via radio frequency to aid aerial vehicles in finding the landing pad. The landing pad contains a landing platform with a trapdoor that leads to a storage compartment. The trapdoor can be configured to only open when it receives a signal from an authorized aerial vehicle. The storage compartment can be accessed via a storage compartment door which can contain a locking mechanism. The storage compartment can be climate controlled. The landing pad can also have a transmitter that emits sounds to discourage animals from nesting on or near the landing pad. The landing pad can also include a solar power generator as a source of electrical energy.

A solar power generator for a structure comprising a collapsible frame assembly is provided. The solar power generator includes a solar panel removably coupled to the collapsible frame assembly. The solar panel is configured to absorb solar energy from the sun. A power module is electrically coupled to the solar panel. The power module includes a power source that is configured to convert the solar energy absorbed by the solar panel to electrical energy. At least one power output is electrically coupled to the power source and configured to supply electrical energy to a coupled load device.

The invention discloses an integrated system for generating electricity by current, sea wave as well as tide kinetic energy and wind and solar energy, comprising a wind energy generator set, a solar energy generator set and a current kinetic energy generator set. The wind energy generator set mainly consists of a wind wheel, a drive system, a generator, a control protection system and a tower; thesolar energy generator set mainly consists of a solar energy battery pack, a solar energy controller and an inverter; and a floated current kinetic energy generator set or a layered columnwise current kinetic energy generator set are adopted for the current kinetic energy generator set. Alternating current generated by the wind energy generator set, the solar energy generator set and the currentkinetic energy generator set is transported and accesses to the Internet. The generating system uses wind power to generate electricity when the wind energy exists, uses light energy to generate electricity when the light energy exists and uses the current kinetic energy to generate electricity when the current kinetic energy exists, i.e. the wind energy, the light energy and the current kinetic energy can complement each other, can apply work together and can be used for circularly generating electricity. The invention has simple structure and lower cost, thereby being beneficial to popularization and environmental protection.

The invention relates to a combined DC power supply control system for a communication base station. A solar generator set is connected with a power supply management controller through communication lines. A discharging resistor is connected with a discharging switch K1. A wind powered generator set is connected with the power supply management controller through a transmission line. The power supply controller is connected with an internal combustion generator set through a communication line. The solar generator set and the wind powered generator set are connected with a bus connection bar respectively. The bus connection bar is connected with a storage battery and electric equipment respectively. The internal combustion generator set is connected with the bus connection bar. The system combines three power supply modes of the solar generator set, the wind powered generator set and the internal combustion generator set to achieve the optimal energy conservation and emission reduction effects. The system preferably adopts solar power generation and wind power generation and starts the internal combustion generator set only when the solar generator set and the wind powered generator set can not supply enough power, thereby reducing operation cost.

A solar generator panel comprising a plane array of strings of photovoltaic cells disposed side by side. According to the invention, the cells have cropped corners suitable for generating free spaces in the interstices between the cropped corners. It is then possible to place openings in those spaces for passing cables and / or for receiving damper blocks. The invention is particularly applicable to solar panels for satellites.

A support system for a solar panel comprises a plurality of legs configured to receive multiple solar panels. The legs each comprise a base, a plurality of shafts, and a support precipice. The support precipice is divided into two sides by a t-bar. The first side comprises a guiding wing to effectuate modular assembly of the support system. The second side comprises a beveled edge to effectuate secure coupling of a solar panel. The system is able to be assembled and disassembled without the use of tools or implements. The system is also movable.

For optimizing a chronological development of consumption of electric power by a group of different consumers with regard to a supply of electric power including electric power from at least one wind or solar power generator, characteristic time curves of the consumption of electric power are determined at a high temporal resolution. A prognosis is made of a chronological development of the supply of electric power from the at least one power generator for a future period of time, and a plan for apportioning electric power to the individual consumers within the future period of time is made based on the characteristic time curves of the consumption of electric power by the individual consumers, the prognosis, and user goal setting by a user of the consumers resulting in different weightings of consumption of electric power by different consumers and supply of electric power by different power sources.

A solar energy power generator comprises a solar energy heating device for absorbing solar energy for heating medium flowing therethrough; a secondary heating device for further heating medium flowing through the solar energy heating device so as to generate air convection; and a power generator for generating electric power by air convection for driving a load. The solar energy heating device and the secondary heating device heat air so that air convection generates in the hot air convection space so as to drive the power generator to generate electric power for driving a load.

A solar generator especially for a spacecraft or space flight body has a plurality of first collector panels hinged to each other in a column extending in a first direction (D1) when the first collector panels are unfolded and a plurality of second panels coupled to the first panels so that the second panels can be unfolded in a second direction (D2) only after the first panels have been unfolded. The second panels are coupled to the first panels by journal struts or by hinges so that at least one first panel forms with at least one second panel, preferably with two or more second panels, a panel packet. The hinges (40) that articulate the first panels to each other permit unfolding the panel packets in said first direction (D1), whereupon the second panels in the individual packets can be unfolded in the second direction (D2).

A device is disclosed for reducing the risk of primary and secondary electrostatic discharges occurring in particular in the solar generators of spacecraft. A solar energy concentrator device for spacecraft includes a reflector for reflecting solar radiation onto a photovoltaic cell for converting solar energy into electrical energy and a heat transfer arrangement for transporting to a cold area heat energy stored by the cell following reception of solar radiation. One particular application of the device is to solar panels for satellites.

Solar generators have Fresnel lenses and spaced heat absorbers or photovoltaic cells for receiving focused solar rays. Heat is removed from their backs by boiling liquid in conical receivers. Pins or fins extend rearward into the receivers from the heat absorbers or photovoltaic cells. Liquid supply to the receivers is controlled by valves and floats or sensors. Tubes remove steam or vapor from the receivers for driving generators or for cooling photovoltaic cells. Hinged tubes which form the foldable support conduct the steam to generators and condense the vapor. Liquid is returned to a holding tank, is pumped to a distribution tank and is conducted by some of the structural tubes back to the valved receivers.

A device for generating electrical energy for a power supply bus connected to a load. The device includes an electrical energy storage unit having at least one battery, a solar energy generator presenting a plurality of modules, a regulator for controlling discharging of the storage unit to power the bus, and for each module, a three-state control device. The device also includes a control unit causing the control devices to take up one of their three states. Each three-state control device has a first state in which current from the module powers the bus, a second state in which current from module powers the storage unit, and a third state in which the module is short-circuited.

An improved structure of power storage device comprises at least three power sources and an uninterruptible power supply (UPS) system. The at least three power sources comprise a commercial power service and anyone selected from a fuel generator, a solar power generator, a wind power generator, a battery generator, and a fuel cell generator. The UPS system has a built-in power source selector. The UPS system has an output terminal for coupling with an electric appliance and an input terminal for connection with the at least three power sources via the power source selector. As a result, the UPS system becomes a power supply and the built-in power source selector selects another power source during the commercial power interruption so as to enable the electric appliance to work normally until the commercial power interruption is over.

The present invention relates to an electrical energy regulator system for a power supply bus, the system including:an electrical energy storage unit,a solar generator having a plurality of cells,a system for regulating the bus power supply voltage adapted to impose on each cell one of the following three states:a first state in which the bus is supplied with current,a second state in which the storage unit (BAT) is supplied with current, anda third state in which the cell is shunted,the cells being divided by the bus voltage regulator system into:a first group in which at least one cell supplies power to the bus and one cell is assigned to regulation of the voltage of the bus and is in its first state only when maintaining a nominal bus voltage requires a top-up of current, anda second group in which at least one cell is either in a second state or in a third state, as a function of a required charging current of the storage unit, the number of cells in the second state being a function of the required charging current.The system further includes a system means for regulating the charging of the storage unit which assign at least one cell of the second group to supplying power to the storage unit (BAT) and one cell of the second group to regulating the voltage of the storage unit, the storage unit charging voltage regulator cell being in its second state only when maintaining a nominal charging voltage requires a top-up of current.

Renewable energy sources provide electricity without consuming fossil fuels and contributing to emissions that impact the global environment. Unlike wind and water methods solar photovoltaic generators provide this renewable energy without geographic or meteorological limitations. However, today electricity generation from solar using photovoltaics is more expensive than fossil fuel sources and is generally limited to deployments with large planar photovoltaic panels. According to embodiments of the invention concentrator based azimuth-altitude tracking solar power generators are provided offering reduced electricity generation costs, reduced installation costs, increased flexibility in deployment and locations of deployment, and initial system costs. The optical assembly comprises a concentrating lens and a reflector to couple the solar radiation to the photovoltaic cell. The concentrating lens is offset out of the plane parallel to the photovoltaic cell whilst the reflector and the reflector may be disposed angularly offset to an axis perpendicular to the photovoltaic cell.

A homeostatic heat trace powered by wind and solar electrical generators for preventing freeze-up of equipment at remote sites. A heat trace system wherein solar power may be used as backup when wind velocities are too low or high. A heat trace with a UPS backup for preventing freeze-up of equipment at remote sites during power failure. A homeostatic control system for maximizing the utilization of energy stored in a bank of batteries. A programmable logic controller with a homeostatic control system for maintaining battery charge. A homeostatic heat trace system powered by wind and backed up by solar power to prevent freeze-up of equipment at remote sites, including oil and gas wells.

A modular, environmentally friendly mobile fuel distribution station includes a fuel tank, a support structure having a plurality of legs for supporting an operation platform in an elevated position a predetermined distance above ground, an alternative power generation device, the alternative power generation device being one of a solar power generator and a wind power generator for providing primary power to the mobile fuel distribution station and a central platform operatively connected to at least two of the legs, the at least two of the legs bearing the weight of the central platform, wherein the fuel tank and the alternative power generation device are disposed on the operation platform.

A solar generator capable of power tracking and electric characteristic curve measurement and a method for realizing the same is disclosed. The solar generator of the present invention comprises at least one solar panel receiving solar energy, converting the solar energy into electric energy, and outputting the electric energy; an electric tracking-measuring circuit connected with the solar panel and the external load; and a processor connected with the electric tracking-measuring circuit, controlling the electric tracking-measuring circuit to receive the electric energy and output the electric energy to the external load at the highest power. When the illumination on the solar panel is greater than a preset value, the processor controls the electric tracking-measuring circuit to measure the I-V characteristic curve of the electric energy to determine the operation status of the solar panel.