133 results about "Energy reserves" patented technology

An irrigation device including an actuator configured to control water flow to at least one water delivery device, a first stored energy source configured to power the actuator to effect irrigation via the at least one water delivery device, and a second stored energy source which is separate from the first stored energy source, wherein the second stored energy source is configured to power the actuator to terminate the irrigation via the at least one water delivery device. The irrigation devices further includes a controller configured to cause the first stored energy source to power the actuator to effect the irrigation, responsive to an instruction to provide irrigation, and to cause the second stored energy source to power the actuator to terminate the irrigation responsive to a termination condition.

An energy management system which will allow the owner to set a minimum energy reserve or charge for an energy storage device (ESD), such ESD being coupled to an asset that is further connected to the electric utility grid. A plurality of sensors may be utilized to provide data, including ESD health and ambient conditions, so that, along with other owner data inputs and profile information, an appropriate amount of energy may be charged to and maintained in the ESD to enable the associated asset to perform anticipated tasks. The energy management system may be either directly or remotely programmed via secure communications, and will further provide the owner with the ability to discharge energy back to the grid during demand events, or to discharge to other owner specified assets, at the owner's discretion.

In one embodiment, a method for controlling an irrigation device coupled to and receiving operational power from a multi-wire interface of an irrigation system comprises: receiving power at the device where the device is one of a plurality of devices receiving power substantially simultaneously; charging an energy reserve of the device using the power, wherein the energy reserve of each device is charged and adapted to supply power to an actuator coupled to a valve; identifying a delay period for the device, the delay period different than a delay period of at least one other device, the delay period defining a period of time that the device is to delay before the energy reserve is discharged; discharging the energy reserve after the delay period lapses; and recharging the energy reserve by drawing current from the multi-wire interface to provide a time staggered recharging of the energy reserves of the devices.

The invention discloses four electric automobile charging station system schemes, wherein the optimum electric automobile charging station is composed of power supply system, energy reserving system, several non-separating high-frequency charger and charging station monitor system, wherein the power supply system transforms high-pressure AC voltage into low-pressure DC or 380V AC power for charging device; the energy reserving system is set between power supplying system and each high-frequency charger; when the charger doesn't work, the external power reserves energy-reserving medium for electric automobile accumulator within short time; each high-frequency charger connects charging monitor system through CAN bus; the electric automobile charging station can charge different patterns of electric automobile for different manufacturers.

A method for creating a collective energy reserve network is provided. The method includes receiving first data including location data and first energy reserve interest data from a first remote device; receiving second data including location data and second energy reserve interest data from a second remote device; and using the first location data, first energy reserve interest data, second location data and second energy reserve interest data to permit creation of a first collective energy reserve. The energy reserve may be free standing or integrated with an electric vehicle recharger.

A method for controlling a virtual generator including at least one renewable power source, an accumulation system including a power and/or energy reserve, an inverter and a control law, the virtual generator delivering an active P/reactive Q electrical power of voltage V and of current I to a microgrid, the voltage V and current I having a frequency f, the active P/reactive Q electrical power controlling, via droop control, the frequency f and the RMS voltage V_rms of the voltage V, respectively, the method including control of the virtual generator via the control law for which it carries out an adjustment of the active P/reactive Q power delivered to the microgrid, the adjustment being capable of compensating for a variation in the active/reactive power consumed by the microgrid.

The invention discloses a method for improving overwintering survival rate and qualities of oreochromis niloticus fries. Before overwintering, feeds with 12% to 14% fat level are fed to the fries, and soybean oil and fish oil are blent in a proportion of 4:1 to form fat sources. Fatty acids--linoleic acids and linolenic acids which are necessary to growth of oreochromis niloticus are mainly increased so as to improve energy reserve. Low-temperature stress resistance of the oreochromis niloticus can be improved by low temperature acclimatization and the low temperature adaptability is improved. During overwintering, feeds with 1.5% to 2% compound Chinese herbal medicine are fed to the fries, so that damages of the low-temperature stress to fish bodies can be effectively relieved, the non-specificity immunity of the fish bodies is improved, and the overwintering survival rate and fry qualities are improved. Meanwhile, according to the above three steps, material selection and facility configuration are easy, the price is relatively low, processes are simple, traditional problems that overwintering costs are high, the survival rate of the fries is low, and qualities of the fries are poor are excellently solved, and environment-friendly and physically beneficial breeding requirements can be met.

A method and a device are provided for monitoring an energy reserve capacitor, in which monitoring of the internal resistance is provided in addition to monitoring of the capacitance. This is achieved by a time sequence of charging operations and an interruption of those charging operations.

The invention discloses a magnesium-cobalt oxide/graphene composite material used as a supercapacitor material and a preparation method thereof. The composite material consists of nanoscale magnesium-cobalt oxide and graphene, the nanoscale magnesium-cobalt oxide is of a petal-shaped cluster structure, the graphene is lamellar, and the magnesium-cobalt oxide is covered with the graphene. The preparation method of the composite material comprises the following steps: (1) synthetizing modified oxidized graphene; (2) adding magnesium-cobalt salt and an alkali source in a modified oxidized graphene solution, and preparing a magnesium-cobalt hydroxide/graphene composite material through a hydrothermal reduction method; and (3) carrying out high-temperature calcination on the prepared magnesium-cobalt hydroxide/graphene composite material so as to prepare an MgCo2O4/graphene composite material. Compared with an existing graphene composite electrode material, the MgCo2O4/graphene composite material obtained by the invention has better structure characteristics, greater specific surface area, smaller mass transfer resistance and longer cycle life, and has good application prospect in the field of energy reserves.

A method and an apparatus are disclosed for extending the service life of a battery source by fully utilizing the energy in batteries and/or providing higher energy reserve using multiple batteries. The invention has economical and environmental benefits by reducing waste in batteries in addition to offering convenience and ease of maintenance in battery use. It also benefits the design of devices when replacing batteries is either difficult or impossible. A universal battery bank consists of an ensemble of possibly heterogeneous batteries all connected in series to provide a usable operational energy source. To exploit this power supply that may vary over a wide voltage range, electronics are designed to monitor the individual batteries, guard against excessive voltage and current, and provide constant current sources and/or constant voltage sources for various appliances.

A thermal imaging camera (1) is provided in which the utilization of the energy reserve carried along is improved in a thermal imaging camera. A sensor element (9) is provided at the carrying device of the thermal imaging camera. The sensor element (9) generates a switching signal for switching between a standby phase and an operating phase.

The invention relates to a process for directly decomposing and separating natural gas hydrate mined by solid fluidization on the seabed. The process comprises the following steps: (1) conveying a hydrate raw stock which is pumped after being mined by a seabed mining machine into a seabed crushing device to crush; (2) pumping a crushed hydrate mixture into a seabed heat exchange and hydrate mixture separating and decomposing integrated device, and directly heating to decompose and separate the natural gas hydrate by virtue of the integrated device on the seabed by employing huge energy reserved due to a relatively large temperature difference between the seawater on the sea surface and the seawater on the seabed as a heat source; and (3) pumping the separated natural gas to sea surface facilities to further process in the next step, and discharging the separated water and sediments into the sea. According to the process, direct decomposition and separation of the hydrate can be realized in the solid fluidization mining process of submarine shallow non-stratified rock natural gas hydrate; and the overall technological process is safe, efficient and environmentally friendly.

The invention relates to a hydraumatic fast forging machine set capable of being supplied with pressure superimposedly by hydraulic pumps and a high pressure accumulator. According to the hydraumatic fast forging machine set capable of being supplied with the pressure superimposedly by the hydraulic pumps and the high pressure accumulator, aimed at the technical disadvantages of increased equipment investment, expanded electric capacity and more no-load energy consumption caused by reasonable number and configuration manner of the hydraulic pumps in the conventional hydraumatic fast forging machine set, the high pressure accumulator, electromagnetic reversing valves, electro-hydraulic proportional valves and an energy reserving and storing device which electronic control system consists of sensors and a PLC are added for storing energy emitted ineffectively in a working circle, and the set number of main hydraulic pumps can be reduced by supplying pressure oil to main hydraulic cylinders during the rolling working process of hydraumatic machines by a control system. By means of the machine set, the objectives of saving cost, reducing investment and optimizing resource allocation can be realized.

A networked electronic ordnance system and method for controlling a variety of pyrotechnic devices at different energy levels include a bus controller controlling at least one pyrotechnic device operating at a first energy level and a smart connector adapting at least one pyrotechnic device operating at a second energy level to control by the bus controller. The smart connector may also include a plurality of capacitors for firing the pyrotechnic device(s). In an embodiment, at least one pyrotechnic device operating at a first energy level and at least one pyrotechnic device operating at a second level include a logic device have a unique identifier. The smart connector may also include an energy reserve capacitor and an emitter follower circuit electrically connected to a logic device. Additionally, the smart connector may be connected to an initiator for firing at least one pyrotechnic device at the second energy level.

The invention discloses a power distribution network mobile energy storage configuration method based on Fourier-Legendre series. The power distribution network mobile energy storage configuration method comprises the following steps of calculating the feasible regions of the active power output and the reactive power output of a photovoltaic inverter; establishing an energy reserve model considering the photovoltaic prediction uncertainty; establishing an energy state polynomial of mobile energy storage based on the Fourier-Legendre series; establishing a mobile energy storage transportationmodel considering truck transportation time and blocking delay; calculating a peak-valley usual period and establishing a corresponding load response model considering the price demand; establishing aphotovoltaic inverter and mobile energy storage coordinated power distribution network optimization model; and solving the power distribution network optimization model to obtain a mobile energy storage position and capacity configuration scheme and a photovoltaic inverter scheduling scheme. According to the method, the continuous charging and discharging model of the mobile energy storage is constructed, the energy storage states under different time scales can be accurately and effectively simulated, the optimal configuration capacity of the mobile energy storage and the optimal network access positions at different moments can be determined, and the problem of safe and economic operation of a power distribution network containing high-proportion photovoltaic power is solved.

In a control device and a method for operating a safety system for a vehicle, a step-up converter is fashioned as a switching converter which converts an input voltage derived from a vehicle battery voltage into a higher charge voltage at its output. In addition, at least one energy reserve storage device is provided that is charged by the charge voltage for the operation of the safety system in an autarkic mode. Between the step-up converter and the at least one energy reserve storage device there is connected a charge current source that is programmable during operation and that defines a charge current for the at least one energy reserve storage device as a function of its programming.

A photovoltaic circuit configured to supply an output current to a tank module is provided. The photovoltaic circuit comprises a photovoltaic transformation module, a first process module, a plurality of second process modules, and a first control module. The process modules are connected to each other in parallel. The process modules in the parallel connection are connected to the photovoltaic transformation module and the tank module in series. The first control module is connected to the first process module and generates a control signal to the process modules in response to a divided current, a modulation current, and a last output current generated by the first process module. Thereby, the process modules interlacedly output the corresponding modulation current as the output current supplied to the energy reserve module.

The invention relates to an aerial cable car system (1) having transportation operating equipment for passenger and/or freight transport, wherein electrical consumers are connected for the operation thereof to a rechargeable electrical energy store (14) of a transportation operating equipment (13) by means of one each of a plurality of the power circuits, wherein the transportation operating equipment (13) comprises an operating control device (140) connected to measuring devices (1400) for dynamically capturing measurement values based on the available quantity of energy in the energy store (14), wherein the operating control device (140) comprises a storage module (1401) having at least one stored measurement control value and an associated control parameter, wherein the operating control device (140) comprises a filter module (1402); for comparing a captured measurement value to the at least one stored measurement control value and for reading out the corresponding stored control parameter, based on which power circuits (30) can be selectively coupled to the energy store (14) or selectively decoupled from the same by means of the operating control device (140). Electrical consumers in transportation operating equipment (13) can be fed without interruption by means of the energy store (14), even during travel. A safety power circuit can also be implemented, by means of which, for example, mountain information devices can be operated in case of emergency even if the energy store (14) has a minimal energy reserve.