648 results about "Solar power system" patented technology

An electronic system which includes a power delivery surface that delivers electrical power to an electrical or electronic device. The power delivery surface may be powered by any electrical power source, including, but not limited to: wall electrical outlet, solar power system, battery, vehicle cigarette lighter system, direct connection to electrical generator device, and any other electrical power source. The power delivery surface delivers power to the electronic device wirelessly. The power delivery surface may deliver power via a plurality of contacts on the electrical device conducting electricity from the power delivery surface, conductively coupling the electronic device to the power delivery surface, inductively coupling the electronic device to the power delivery surface, optically coupling the electronic device to the power delivery surface, and acoustically coupling the electronic device to the power delivery surface as well as any other electrical power delivery mechanism.

Solar power systems and structures are mountable to a power distribution structure, e.g. a power pole or tower, which supports alternating current (AC) power transmission lines. An exemplary power generation structure is fixedly attached to and extends from the power distribution structure, and comprises a mounting rack. A solar array, comprising at least one solar panel, is affixed to the mounting rack. A DC to AC invertor is connected between the DC outputs of the solar array and the AC power transmission lines. The length of the solar array is generally in alignment with the power distribution structure, and the width of the solar array is greater than half the is circumference of the power distribution structure. The mounting rack and solar array may preferably be rotatable, such as based on any of location, time of day, or available light.

A tracking solar power system is disclosed. The tracking solar power system includes: a solar power substructure and a platform having a first degree of freedom. The solar power substructure is mounted on the platform in a manner such that it has a second degree of freedom relative to the platform. The solar power substructure may include a solar collector and a receiver arranged to receive energy from the solar collector. The receiver may be mounted in a manner that avoids shading of the solar collector during operation. The solar collector may have an area focus at the receiver. The solar power substructure may include a non-concentrating solar power substructure.

A solar-powered power generation system and an associated method are provided. The system includes at least one trough solar absorption device for heating a heat transfer fluid to a first temperature, and at least one tower solar absorption device for further heating the transfer fluid to a second temperature. Thus, the generation system can efficiently heat the transfer fluid to high temperatures. Subsequently, the heated fluid can be used, e.g., to generate steam and / or electricity.

A maximum power point tracking method, applied to a tracking device, employs a DC / DC converter connecting with a solar cell array, and including a controller actuating the DC / DC converter to perform an active resistance characteristic; a maximum power point tracking circuit adjusting the active resistance of the DC / DC converter; monitoring a change of an output power of the solar cell array in determining a direction for adjusting the active resistance of the DC / DC converter; and the maximum power point tracking circuit repeatedly adjusting the active resistance of the DC / DC converter. If the change of the output power of the solar cell array is positive, the active resistance of the DC / DC converter is adjusted in the same direction; but, conversely, if the change of the output power of the solar cell array is negative, the active resistance of the DC / DC converter is adjusted in an opposite direction.

Methods and apparatus may provide for the adaptive operation of a solar power system (3). Solar energy sources (1) and photovoltaic DC-DC power converters (2) may be interconnected in serial, parallel, or combined arrangements. DC photo-voltaic power conversion may be accomplished utilizing dynamically adjustable voltage output limits (8) of photovoltaic DC-DC power converters (2). A photovoltaic DC-DC power converter (2) may include at least one external state data interface (7) receptive to at least one external state parameter of a solar power system (3). A dynamically adjustable voltage output limit control (12) may be used to relationally set a dynamically adjustable voltage output limit (8) of a photovoltaic DC-DC power converter (2). Dynamically adjusting voltage output limits (8) may be done in relation to external state parameter information to achieve desired system results.

A solar-powered power generation system and an associated method are provided. The system includes at least one trough solar absorption device for heating a heat transfer fluid to a first temperature, and at least one tower solar absorption device for further heating the transfer fluid to a second temperature. Thus, the generation system can efficiently heat the transfer fluid to high temperatures. Subsequently, the heated fluid can be used, e.g., to generate steam and / or electricity.

A solar power system is mounted to a solar power componentry support structure (104) suspended above a pre-existing surface (101) by a collective of solar collector suspension base supports (103) Suspended solar power system row support structure members (105) and suspended solar power system column support structure members (106) may for a solar component position lattice (107) to which a matrix of individual solar power components such as solar panels (18) can be attached Solar module quick-fasten assemblages (111) may serve also as solar componentry emergency releases (118) and may include loose axis retainers (128) and firm axis fasteners (127) such as dual component, single point operative emergency releases (121) and fasteners Slide-in retainers and corner slot tabs (136) can be included as well as frame alignment notches (138) Fulcrum pivot fasteners (139) and slide wedge releases (142) can aid in installation and release

An integrated solar power system that provides electricity to external electrical devices has a trafficable surface formed from a plurality of roadway panels arranged with respect to each other. Each roadway panel has a solar energy collector, a layer of translucent and protective material covering the solar energy collector, the material being sufficiently translucent to allow passage of light therethrough for absorption of light by said solar energy collector and sufficiently protective to withstand the loads and the impact of pedestrian and vehicular traffic and having a sufficient coefficient of friction to allow passage thereon of pedestrians and vehicles without slippage, and an electrical conductor for extracting electrical power from the solar energy collector. Each roadway panel may be modularly connected to others. The roadway panel provides solar energy to at least one external electrical device or solar power storage member.

A system for generating electrical power from solar radiation utilizing a III-V compound multijunction semiconductor solar cell; a concentrator for focusing sunlight on the solar cell, including a concave trough-shaped reflector; and a heat spreader connected to the solar cell for cooling the cell.

The invention relates to the field of solar cells, in particular to an efficient energy conversion device for a solar cell panel, an array and an application method thereof. The device comprises an input voltage and current sampling circuit, a DC-DC conversion circuit, an output voltage and current sampling circuit, a switching control circuit and a central processing circuit, wherein the centralprocessing circuit controls the input voltage of the DC-DC conversion circuit through the switching control circuit by taking the input voltage and current sampling circuit and the output voltage andcurrent sampling circuit as feedback. The device is an energy balance device which can solve the problem that the power generation quantity of the whole system is greatly reduced and the system cannot work normally due to mismatch of individual photovoltaic units in a solar photovoltaic array, save at most 50 percent of energy lost due to the mismatch under the actual installation condition and promote the power generation quantity of the solar power generation system to the highest level.

A solar power system can include an array of solar modules. The system can include a rail and a solar module positioned at an outer end of the array. The solar module can have a frame around a periphery of the solar module. The frame can include a flange along an edge of the solar module that is disposed at the outer end of the array. The flange can project inwardly from the frame underneath the solar module. A clamp assembly can be disposed underneath the solar module and can mechanically secure the solar module to the rail. The clamp assembly can include a clamp body and a base. The clamp body and the base can cooperate to clamp the flange between the clamp body and the rail.

A solar power system capable of storing heat energy and converting sun light to electrical power. The solar power system includes a solar collection system which gathers and transmits concentrated solar energy to an absorber / cavity. The thermal energy is extracted from the absorber / cavity via a fluid and transported to a heat conversion system. The heat conversion system uses the thermal energy to create electricity.

A method of providing reactive power support is proposed. The method includes detecting at least one of a plurality of network parameters in a distributed solar power generation system. The generation system includes a plurality of photovoltaic modules coupled to a grid via inverters. The method further includes sensing a state of the photovoltaic modules coupled to the distributed solar power generation system and determining a reactive power measure based upon the sensed state and the detected network parameters. The reactive power measure is used to generate a reactive power command. The reactive power command is further used to compensate reactive power in the distributed solar power generation system.

A high efficiency solar power system combining photovoltaic sources of power (1) can be converted by a base phase DC-DC photovoltaic converter (6) and an altered phase DC-DC photovoltaic converter (8) that have outputs combined through low energy storage combiner circuitry (9). The converters can be synchronously controlled through a synchronous phase control (11) that synchronously operates switches to provide a conversion combined photovoltaic DC output (10). Converters can be provided for individual source conversion or phased operational modes, the latter presenting a combined low photovoltaic energy storage DC-DC photovoltaic converter (15) at string or individual panel levels.

An outdoor shading device includes a supporting frame, a shading awning supported by the supporting frame to define a shading area underneath the shading awning, and a solar power system. The solar power system includes a solar collecting unit having a solar collecting surface overlapped on the shading awning for solar energy collection, and a power storage supported at the supporting frame to electrically connect to the solar collecting unit, wherein when the shading awning is orientated for providing shade from the sun, the solar collecting surface of the solar collecting unit is aligned with the direction of the sun to maximize the solar energy collection, such that after the solar energy is collected, the solar collecting unit converts the solar energy into electrical energy and stored in the power storage.

The invention provides systems and methods for integrating central receiver solar power systems with existing infrastructure to form multi-purpose structures. The invention also provides arranging heliostats to accommodate shadowing effects. Additionally, improved systems and methods for solar tracking are provided. Such improved solar tracking may enable the heliostats to more accurately reflect sunlight to a central receiver.

A system for generating electrical power from solar radiation utilizing a thin film III-V compound multijunction semiconductor solar cell mounted on a support in a non-planar configuration.

A thermal collection system has a first tank for storing relatively hot working fluid and a second tank for storing relatively cold working fluid. A heat exchanger is connected for receiving the relatively hot working fluid from the first tank for providing heat to the heat exchanger. The heat exchanger discharges the working fluid at a lower temperature than a temperature of the relatively hot working fluid of the first tank. A solar panel collector is connected for receiving the lower temperature working fluid from the heat exchanger and for heating the lower temperature working fluid and feeding same to a first control valve. The first control valve is operative for feeding working fluid from the solar collector selectively to one of the first tank and the second tank. The second tank has a second control valve selectively operative for permitting working fluid from the second tank to flow to the solar collector. Improved collection efficiencies in the solar collector may be obtained using the two tank structure for passing working fluid through the solar collector.

A system for generating electrical power from solar radiation utilizing a III-V compound multijunction semiconductor solar cell; a concentrator for focusing sunlight on the solar cell; and a heat spreader connected to the solar cell for cooling the cell. The solar cell is preferably an inverted metamorphic multijunction solar cell.

A solar power system can include a rail and a solar module disposed on the rail. A clamp assembly can couple the solar module to the rail. The clamp assembly can have a clamped configuration in which the solar module is secured to the rail and an unclamped configuration. The clamp assembly can comprise an upper clamp member, a lower clamp member coupled to the rail, and a stabilization member mechanically engaging the upper clamp member and the lower clamp member. The stabilization member can prevent rotation of the lower clamp member relative to the rail when the clamp assembly is in the clamped and unclamped configurations. In the unclamped configuration, the stabilization member can be biased such that the upper clamp member is disposed at a sufficient clearance above the rail to permit the insertion of the solar module between the upper clamp member and the rail.

A maximum power point tracking system, named flash supercapacitor-solar power device, and method for a solar power system, which mainly adds a pulse-power supercapacitor for being operated in a dynamic equilibrium are disclosed. The duty ratio D is changed and the voltage variance of the supercapacitor is observed to determine the next adjusting direction of the duty ratio D of the DC / DC converter. In the present invention, only a voltage value of the supercapacitor is needed to be monitored and no current-detection is needed. The output power of the solar power system can be actually estimated. The maximum power is traced in an oscillatory way. Therefore, the operation process of the perturbation and observation method, which is generally implemented currently, is simplified. By utilizing the steady-state equilibrium of the supercapacitor, only the voltage of the supercapacitor needs to be detected, and there is no need to measure and calculate the voltage and current values. The system is simple and easily accessible, which is a maximum power point tracking system and method with high efficiency for a solar power system.

A transportable, self-contained, solar power system comprised of a plurality of individual solar power arrays, each array being contained within a transportable frame. Each array is folded into a frame during transportation. Upon reaching a desired location, the frame is positioned at a desired location. The frame then acts as a base while its solar power array is activated and deployed. The array has the capability of tracking the position of the sun during deployment. Each frame has a global positioning system (GPS) and a controller containing a chart of sun locations for a given location. The controller positions a frame's solar array to maximize the array's exposure to the sun. Each frame has a battery system, enabling a frame's solar array to self-start after a period of darkness.

This invention relates to a low temperature solar thermal power system, which combines the solar hot water collectors with the organic Rankine cycle system using the low critical temperature hydrofluorocarbons (HFC) or hydrocarbons (HC) working fluid for converting solar energy to electrical energy. This invention also relates to systems and methodology for conversion of low temperature thermal energy, wherever obtained, to electrical energy using the low critical temperature hydrofluorocarbons (HFC) or hydrocarbons (HC) working fluid for organic Rankine cycle system to drive an electrical generator or do other work in a cost effective way.

A flashable, rooftop enclosure with a solar radiation transmissive glazing suitable for holding solar energy collector of a solar power system includes an insulated base section with sidewalls which is secured to the roof sheathing and flashed all around, and a removably attachable glazed top section with full skirt, that is secured to and over the base unit after the interior components and connections are made, so as to seal the enclosure, overlap the flashing, and admit solar radiation. The internal components may include any or all of photovoltaic and thermal converters, with electrical and thermal fluid means of removing energy from the enclosure to respective energy distribution systems.

A portable solar power system, comprises a plurality of photovoltaic solar panels; storage batteries for storing energy generated by the photovoltaic solar panels; a charger operably connected to the photovoltaic solar panels for charging the storage batteries; a plurality of inverters operably connected to the respective photovoltaic solar panels for generating an AC output for connection to an outlet for feeding into an electric grid; and a switching circuit for automatically disconnecting the photovoltaic solar panels from the inverters and connecting the photovoltaic solar panels to the charger when power in the electric grid is down.

A solar power system is disclosed. The solar power system includes: a solar energy receiving solar collector; a reflective secondary optical element comprising one or more sheets, wherein the one or more sheets are arranged to form a hollow structure having an interior surface, an exterior surface, an entry aperture, and an exit aperture, such that at least a portion of the interior of the hollow structure is reflective and wherein the hollow structure is positioned to receive energy from the solar collector through the entry aperture, reflect the energy from the interior surface of the hollow structure, and output the reflected energy through the exit aperture; and a receiver positioned to receive the reflected energy from the exit aperture. The energy from the solar collector is reflected and thereby directed through the exit aperture to the receiver by the reflective secondary optical element.

A pet house, for providing convenient and comfortable accommodation for a pet, includes a housing and a plurality of amenities. The housing includes a surrounding wall having a lodging room for the pet accommodating therein, and a side entrance communicating with the lodging room, and a roof frame, which is supported on the surrounding wall to define the lodging room within the surrounding wall and the roof frame. The amenities, including at least one of a solar power system, a power storage, a ventilating device, a dimmer light, an audio device, a remote intercommunication system, and an outdoors shading arrangement, is provided at said pet house for providing the comfort and convenience of said pet house so as to enhance the quality of living.

The invention discloses a maximum power tracking method for a solar energy power supply system and the solar energy power supply unit thereof, relating to solar power generation technical field. And the method tracks the maximum power of the solar energy system by dynamic balancing. According to the method, it adds in intelligent charging-discharing mechanism to form an intelligent coordination solar energy device, comprising at least a solar panel, super capacitor, DC / DC buck-boost converter, pulse width modulation driver, storage battery, logic controller and load; and the method is characterized in that an instant power type super capacitor is connected between the solar panel and the DC / DC buck-boost converter to act as an energy dynamic balancer; it converts the electric energy produced by the solar panel into capacitor type electric energy to make the maximum power calculation, able to largely simplify calculation program, improving tracking calculation real-timeness and reliability and raising solar energy system efficiency. And the invention can be widely applied to solar LED lamps, and solar energy lamps, especially solar energy street lamps, solar traffic signal lamps, solar energy engineering lamps, etc.

The invention provides a system and method for analyzing and classifying the losses of a photovoltaic array. The system and method compares expected power output and to actual power output and can determine a photovoltaic string, combiner, or inverter is generating less power than expected due to at least one of snow cover, soiling, and inverter clipping. The system and method can then determine an amount of power lost during a period of time the photovoltaic string, combiner, or inverter is experiencing snow cover, soiling, or inverter clipping and determine a value of the amount of power lost during the period of time. Various user interfaces enable a user to view one or more reasons why a PV string, combiner or inverter is generating less power than expected and the value of the amount of power lost.