30results about How to "Increase available power" patented technology

The present invention discloses a system for transferring electrical power between a grid and at least one vehicle. The vehicle can be Battery Electric Vehicle (BEV), Plug-in Hybrid Electric Vehicle (PHEV) or Fuel Cell Vehicle (FCV). The type of vehicle will be recognized and controlled by the system to support demand response and supply side energy management. Vehicle recognition can be carried out by load signature analysis, power factor measurement or RFID techniques. In an embodiment of the invention, the grid is a Smart Grid. The present invention also discloses a method for facilitating electrical power transfer between the grid and the vehicle.

The invention relates to a method for managing battery modules of an energy storage power station of a power grid, and belongs to the technical field of energy storage systems of power grids. The method includes transmitting data sampling requests to single battery management units, starting analog quantity sampling functions of battery module managing units, acquiring initial state data of batteries and processing the initial state data of the batteries and history state data to obtain real-time state data; diagnosing faults according to the real-time state data, and computing residual electric quantities of the batteries according to a battery electric quantity estimation algorithm; implementing module balancing and module cooling algorithms according to the real-time state data and the residual electric quantities of the batteries, and outputting start and stop control signals of module balancing devices and module cooling fans; reporting the real-time state data, residual electric quantities of battery sets and states of the module balancing devices and the module cooling fans to top battery management units, updating the history state data and entering a next cycle. The method in an embodiment of the invention has the advantages that the battery modules are effectively managed, the running safety of the energy storage power station is improved, and an economic benefit of the energy storage power station is increased.

A method for estimating the ageing of a battery powering an electrical system. A set of data about the voltage and current across the battery terminals, in response to the current perturbations provoked during the normal operation of the battery by the changes of consumption rate of the electrical system are stored. The impedance of the battery, within a predetermined frequency interval, from the voltage and current data is determined. The age of the battery as a function of the impedance is estimated by comparing the impedance with a previously stored model of evolution of this impedance with ageing.

The invention discloses a charging and discharging method and device and a mobile terminal, and relates to the technical field of the mobile terminal. The method comprises the steps: obtaining the battery temperature in the mobile terminal; judging whether the battery temperature is lower than the preset temperature threshold; and starting a heating module to heat the battery if the judgment result is yes. The heating module heats the battery at low temperature so that the temperature of the battery cell is increased, the lithium ion activity of the battery cell is improved, the charging and discharging efficiency of the battery is improved and the battery available power in the current application mode is improved.

The invention discloses a method and device for controlling the idling speed of an engine. The control method comprises the following steps that the current available electric quantity of a vehicle-mounted storage battery is obtained under the idling condition; according to the current available electric quantity, an adjusting instruction is sent so as to adjust the idling speed of the engine, sothat the idling speed of the engine is matched with the current available electric quantity; and the idling speed is inversely related to the current available electric quantity. According to the scheme of the method and device for controlling the idling speed of the engine, the insufficient electricity situation of the vehicle-mounted storage battery of a vehicle can be avoided, normal starting of the vehicle is guaranteed, and idling shaking or flameout of the engine is avoided.

A vehicle operates an internal combustion engine according to an automatic start-stop function to reduce fuel consumption. A first DC bus is adapted to connect to a plurality of DC loads. A primary battery is coupled between the first DC bus and a ground. A first alternator is driven by the internal combustion engine to supply electrical power to the first DC bus. A second DC bus is connected to a positive terminal of an auxiliary battery. A negative terminal of the auxiliary battery is connected to the first DC bus. A second alternator is driven by the internal combustion engine to supply electrical power to the second bus at a voltage corresponding to a sum of voltages of the primary and auxiliary batteries. An inverter receives electrical power from the second DC bus to generate an AC output adapted to connect to accessory AC loads.

An inter-spool energy transfer system is provided and includes a first spool, a second spool, which includes components that are rotatable at a different speed as compared to components of the first spool and an inter-spool interface system coupled to at least one of the components of the first spool and at least one of the components of the second spool. The inter-spool interface system includes a controller, which is configured to supply power to one of the first and second spools and to draw power from the other of the first and second spools.

The invention discloses an intelligent wearing device, which is a technical scheme belonging to the field of electronic products. The intelligent wearing device comprises a shell, a generator, an electric energy storage device, a transmission mechanism and a rocker. The generator, the electric energy storage device and the transmission mechanism are arranged in the shell, and the rocker is disposed outside of the shell. The generator is provided with an electric energy output end and a power input shaft. The electric energy output end is connected electrically with the electric energy storage device. The power input shaft is connected with the transmission mechanism, and the transmission mechanism is connected with the rocker. The rocker is used for driving the power input shaft to rotate through the transmission mechanism. The generator is used for converting kinetic energy of the power input shaft into electric energy and transmitting the electric energy to the electric energy storage device through the electric energy output end. The electric energy storage device is used for powering the intelligent wearing device. In summary, the invention can solve the problem of poor battery performance of the intelligent wearing device by generating electric energy by shaking the rocker and storing the electric energy in the electric energy storage device to increase the available electric quantity of the intelligent wearing device.

The invention belongs to the field of vehicle lamplight, and discloses an LED illumination module, a rated output current setting method of an LED driving power supply, a vehicle lamp and a vehicle. The LED illumination module comprises an LED light source and the LED driving power supply, the LED driving power supply supplies power to the LED light source, and the LED light source has a first environment temperature T1 when working stably and has a second environment temperature T2 in other working states, and T1 is larger than T2. The LED driving power supply outputs a first driving voltage V0' to the LED light source at the first environment temperature T1 and obtains a corresponding first driving current I0 ' from the V0', and the first driving current I0 ' is set as a rated output current of the LED driving power supply. According to the invention, the output power of an LED in a stable working state at the higher environment temperature is improved, namely the output power of the LED light source can be basically kept unchanged in a full temperature range, so that the illumination performance of the LED light source can be fully exerted, and a stable illumination effect can be maintained.

An electronic stun grenade (10) comprising a casing (11) and a means for generating light (13), wherein the means for generating light (13) is mounted onto an exterior surface of the casing (11). This allows the interior volume defined by the casing (11) to be more effectively used for containing a means for powering the means for generating light (13). Particularly suited to applications requiring compact stun grenades, such as man portable or weapon launched devices.

The embodiment of the invention discloses an electric vehicle endurance method and device, an electric vehicle, equipment and a storage medium. The electric vehicle comprises a power battery, the battery capacity of the power battery comprises available electric quantity and protection electric quantity, and the endurance method of the electric vehicle comprises the steps that the available electric quantity of the power battery is obtained; when the available electric quantity is smaller than or equal to the low electric quantity threshold value, protection electric quantity endurance is activated. According to the technical scheme, the available electricity quantity of the power battery is obtained, the size relation between the available electricity quantity and the low-electricity-quantity threshold value is judged, then a low-electricity-quantity activation reminding instruction is triggered, and after an instruction of agreeing to activate the protection electricity quantity is input outside a vehicle user, the vehicle machine generates the low-electricity-quantity activation signal to be used for endurance of the electric vehicle. Therefore, the emergency situation that the electric vehicle breaks down due to exhaustion of the power battery can be effectively handled, the endurance anxiety of a vehicle user is relieved, and potential safety hazards caused to the driving safety of the vehicle user are reduced.

The invention discloses a battery system, a control method and an electric automobile. The battery system comprises a main battery module, a standby battery module and a first electric relay, after being in series connection with the first electric relay, the standby battery module is in parallel connection with the main battery module. Through the adoption of the battery system, the control method and the electric automobile provided by the application of the invention, the available electric quantity of the battery system is improved, and the using time of the battery system is prolonged.