33 results about "Charge (electrical)" patented technology

A system for charging an electrical storage device includes a motor drive, a DC link electrically coupled to the motor drive, and a first leg coupled to the DC link that includes a first power switch coupled in series with a second power switch via a first node. A first inductor is coupled to the first node, and a first energy storage device (ESD) is electrically coupled to the first inductor. A second leg is coupled to the DC link that includes a third power switch coupled in series with a fourth power switch via a second node. A charging circuit includes a transformer coupled to the first and second nodes. A second ESD is coupled to receive charging energy from the transformer, and a controller is configured to cause a first voltage mismatch between the first and second nodes to generate the charging energy.

Disclosed herein are methods, systems, and devices that may be implemented by an energy aggregator to control, or regulate, the electric load placed on an electric grid by an aggregation of electrical devices, such as electric vehicles. Generally, the disclosed methods, and systems may provide for the modulation of the power draw of each electric vehicle around a first power draw, or scheduled power draw. Further, the disclosed methods and systems provide for the determination of a desirable scheduled power draw for a given electric vehicle. In one example, the scheduled power draw may be determined based on, among other things, the amount of time left in a given charging scenario and the state of charge of the given electric vehicle. In another example, the scheduled power draw may be determined based on, among other considerations, a maximization of the profit derived by the energy aggregator for both providing power to an aggregation of electric vehicles and for providing a regulation function to the electrical grid (at the request, for example, of an electrical-system operator).

The invention relates to a high-power factor correcting circuit, which comprises a rectifying bridge DB11, a switch transformer, two switch tubes Q12 and Q11, three capacitors C11, C13 and C12, and five diodes D11, D12, D13, D14 and D15, wherein the switch transformer is provided with three groups of primary coils which are a first primary coil L11, a second primary coil L12 and a third primary coil L13, and one group of secondary coil. When alternating current is at a peak value and nearby, the electrical energy transformed by the transformer is mainly from the rectified alternating current, and the electrical energy stored in a transformer leakage inductor and the rectified alternating current are used as the charge electrical energy of the energy storage capacitor C13 together. When the alternating current is at a wave trough and nearby, the electrical energy stored in a circuit (the capacitor C13) is transformed into the transformer transformation electrical energy, and the electrical energy stored in the transformer leakage inductor and the rectified alternating current are used as the charge electrical energy of the capacitor C13 together.

A charger circuit and an intelligent charging control method thereof are disclosed. The charger circuit comprises a power circuit used to generate a charging voltage, a charging output switch, an MCU and an electrical appliance plug-in detection circuit, wherein the MCU is connected to a positive output terminal or a negative output terminal of the power circuit through a current sampling element to detect a charging current in a charging loop and is connected to a positive connecting terminal of a charging interface to detect a charging voltage in the charging loop. In this way, a charger is able to intelligently judge whether or not a to-be-charged electrical appliance is plugged into the charging interface, automatically charges the electrical appliance in a corresponding charging mode and effectively prevents overcharging of batteries of consumer electrical appliances, thus, prolonging the battery life and avoiding disasters caused by overcharging of the batteries.

The invention concerns a 3-phase charging assembly, and a method for providing such assembly, for optimal use of available electrical power when charging electrical vehicles, EV's. The charging assembly comprises a distribution cable supplying power by means of subsidiary isolated conductors for each phase (L1 in, L2 in, L3 in) and a neutral conductor (N in), at least one electric vehicle supply equipment, EVSE, each comprising internal circuitry with an input electrically connected to one or more of the subsidiary isolated conductors (L1 in, L2 in, L3 in) of said distribution cable, and an output (L1 out, L2 out, L3 out) electrically connectible to at least one EV for providing power for charging. Each EVSE comprises a plurality of primary relays (R5, R7, R9) configured to connect or disconnect electrical power provided by the conductors for each phase (L1in, L2 in, L3 in) at the input; a plurality of secondary relays (R6, R8, R10, ..., R16) configured in a relay matrix for enabling re-routing of each of the output conductors (L1 out, L2 out, L3 out) to any phase (L1in, L2 in, L3 in) at the input, and a control system comprising communication means, wherein the control system is configured to connect or disconnect each of said primary and secondary relays (R5...R16) and to transmit and receive relay status information to and from the EVSE.

The disclosure relates to a charging system for charging an electrical energy storage device in an electric vehicle. The charging system includes: an input for an alternating current, which is provided with a source of electrical energy, at least one transformer element for transforming the alternating current into a direct current, and a charge output for connecting the charging system to the electric vehicle. The charging system is configured to connect the at least one transformer element to the charge output for charging the electrical energy storage device with direct current. The charging system is further configured to connect the input to the charge output for charging the electrical energy storage device with alternating current.

A charging station (20) adapted for charging electrical vehicles (100) and comprising at least one battery pack (30). The battery pack (30) comprises a plurality of batteries (1) being coupled in series and a control unit (40) adapted for controlling each of the batteries (1) of the plurality of batteries individually. Each battery (1) comprises at least one battery cell (2) with a battery inlet line (8) and a battery outlet line (9), an electrical circuit element (5) arranged to lead from the battery inlet line (8) to the battery outlet line (9) such as to form an electrical path leading around the battery cell (2), and one switch (6 or 7). The one switch (6 or 7) is arranged in one of the battery outlet line (8) and the battery inlet line (9) and is switchable between a first position and a second position. The control unit (40) is connected to the one switch (6 or 7) of each battery (1) and is adapted for controlling the one switch (6 or 7) to switch between the first position, in which an electrical power is lead through the battery cell corresponding to the battery (1) being in an active state, and the second position, in which the electrical power is lead through the electrical circuit element (5) corresponding to the battery being in a passive state.

A driving method and a driving device using the same are disclosed. The driving method controls a pulse transformer. The secondary winding of the pulse transformer is electrically connected to a control device. Firstly, positive charging electrical energy is delivered to the primary winding, thereby charging the control device. Then, the control device is disconnected from the secondary winding while the primary winding is in a high-impedance state. Finally, negative discharging electrical energy is delivered to the primary winding and the control device is electrically connected to the secondary winding, thereby discharging the control device, and the primary winding is in a low-impedance state after the step of delivering the negative discharging electrical energy to the primary winding.

The invention relates to a charging system (1) for charging an electrical energy storage device in an electric vehicle comprising: an input (2) for an alternating current, which is provided with a source of electrical energy (3), at least one transformer element (4) for transforming the alternating current into a direct current and a charge output (5) for connecting the charging system (1) to theelectric vehicle, wherein the charging system (1) is designed to connect the at least one transformer element (4) to the charge output (5) for charging the electrical energy storage device with directcurrent and wherein the charging system (1) is designed to connect the input (2) to the charge output (5) for charging the electrical energy storage device with alternating current.

The invention discloses a storage battery storage and charging electrical cabinet applied to a new energy automobile. A solar cell panel is fixed to the outer side of a storage box body through bolts, side direction baffles are connected to the left side and the right side of the storage box body in a nested mode, and a lifting panel is welded and fixed under the storage box body. The storage battery storage and charging electrical cabinet comprises a lifting panel, an electrical cabinet body and a power supply cabinet body, wherein a water inlet through hole is formed in the upper surface of the lifting panel in a penetrating mode, a liquid conveying pipeline is connected under the water inlet through hole in a nested mode, the electrical cabinet body is connected to one side of the liquid conveying pipeline in a nested mode, and a water storage tank body is connected to one side of the liquid conveying pipeline in a nested mode; and the power supply cabinet body is embedded and fixed in the electrical cabinet body, and the left side and the right side of the electrical cabinet body are connected with breathable mesh plates in a penetrating manner. According to the storage battery storage and charging electrical cabinet applied to the new energy automobile, the clamping force arm b and the transverse supporting arm are arranged, the clamping force arm b rotates on the outer side of a clamping force arm a, and the angle of the clamping force arm b is adjusted according to data of a storage battery.

The invention discloses a charger calibration method, a calibration system and a charger. A main control device sends a reference electrical parameter to a programmable power supply, so that the programmable power supply outputs preset control electric energy, and then an electrical detection module detects and obtains a charging electrical parameter; a pre-stored electrical parameter corresponding to the reference electrical parameter is determined by a processing module in the charger to be tested, and the pre-stored electrical parameter is compared with the charging electrical parameter to obtain a comparison result; and finally, corresponding calibration parameter adjustment is carried out based on the comparison result. According to the technical scheme of the invention, calibration parameters in the charger to be tested can be automatically corrected and adjusted, and the adjusted calibration parameters can be matched with each electrical detection module individual. The method has the technical effects of improving the accuracy of the calibration parameters of the electrical detection module of the charger and improving the setting efficiency and applicability of the calibration parameters.

The invention discloses a power battery charging electrical control system and method. The system involves a plurality of charging branches, a data acquisition module, an SOC calculation module and acharging management module, wherein each charging branch charges one battery pack in the power battery, the SOC calculation module calculates the SOC value of each single battery according to the state parameter data of each single battery, and the charging management module can enable corresponding charging branches of power control modules to charge the battery pack with the optimal charging power by controlling the corresponding power control modules according to the SOC value of each single battery. According to the system, by separately differentially charging each battery pack of the power battery and combining the SOC value of each single battery in the battery pack, the charging power of the charging branches to the battery pack is controlled, damage to the battery pack during charging can be avoided, and the overall charging efficiency of the power battery can be improved.

The present invention relates to a 48V electrically heated catalyst system for a vehicle, and provides amethod for powering a 48V electrically heated catalyst of a catalytic converter of the vehicle without using a 48V battery. The method provides a 12V battery. An electrical energy storage device is electrically connected between the electrically heated catalyst and the 12V battery. The electrical energy storage device is charged by the 12V battery so as to store a voltage of 12V that can then be switched to 48V. The electrically heated catalyst is powered with 48V supplied by the charged electrical energy storage device. A system for performing the method is also disclosed.

The invention relates to a line set (4) for a charging station (1) for charging electrical energy stores of motor vehicles (2), comprising a charging cable (5) which, at a free end, has a connecting plug (6) for electrical connection to the motor vehicle (2), wherein the charging cable (5) has one or more electric lines (19) which are jointly covered by an electrically insulating sheath (9). The sheath (9) has at least one electric test line (11, 12) extending along the charging cable (5) and electrically insulated from the lines (19).

Embodiments of the present invention provide a battery balancing enabling method, device, storage medium, and battery pack. By judging whether the balancing command is received; if it is judged that the balancing command is not received, it is judged whether the cell type of the battery cell includes a lithium iron phosphate cell; if it is judged that the cell type includes a lithium iron phosphate cell, it is judged that the measured cell Whether the change value of the state of charge of the battery is less than the specified threshold; if it is judged that the change value of the state of charge is less than the specified threshold, judge whether the remaining balance capacity of the obtained battery cell is greater than the set calibration capacity; if it is determined that the remaining balance capacity is greater than the calibration capacity, and enable the balancing of battery cells. In the embodiment of the present invention, when the change value of the state of charge of the battery cell of the lithium iron phosphate battery cell is less than the specified threshold and the remaining balance capacity is greater than the calibrated capacity, the battery cell is enabled for balance, which improves the efficiency of battery balance enable. Turn on the frequency, thereby improving the balance effect of the battery.

The invention relates to a charging device (10) for wirelessly charging an electrical energy store of a mobile terminal device (24) for a vehicle, the charging device (10) having charging electronics (36) and a housing (14) in which the charging electronics (36) are arranged. According to the invention, the housing (14) comprises a support region (12) for placing the mobile terminal device (24), the support region (12) having at least two elevations (22) extending in the length direction of the support region, each elevation having a first predetermined height, the elevations being arranged parallel to one another at a predetermined distance and forming an air channel (20) when the mobile terminal device (24) is placed. The housing (14) has at least one air inlet opening (16) and at least one air outlet opening (18), which is arranged in the supporting region (12) and is configured to blow air into the air channel (20). Furthermore, at least one barrier (26) is arranged in the air channel (20), the at least one barrier being configured to generate a vortex of the air blown into the air channel (20).

The present disclosure provides a system and method for recalibrating a traction battery through bi-directional power transfer. Methods and systems for recalibrating charge storage capacity values of an electrical energy storage device are described. In one example, the charged electrical energy storage device may be a battery. The charge storage capacity value may be recalibrated by discharging and charging the battery via the electric vehicle power supply equipment.

The invention relates to a charging robot (10) for charging an electrical energy store (12) of a vehicle (14), comprising: a support structure (16); at least one wheel rotatably attached to the support structure (16); a drive unit (20) attached to the support structure (16) and capable of driving a wheel; a first containing space (24) and a second containing space (26), the first containing space is attached to or formed by the supporting structure (16), the second containing space is attached to or formed by the supporting structure (16), and the first containing space (24) and the second containing space (26) are arranged side by side; a lifting device (28) arranged in the first accommodation space (24), to which lifting device (28) a contact portion (32) is attached, which contact portion can be connected in an electrically transmissive manner to a mating contact portion (60) of the vehicle (14); and a charging cable (40) which is electrically conductively connected to the contact portion (32), by means of which electrical energy can be transmitted to the contact portion (32), the charging cable (40) extending through the second receiving space (26); and a guiding device (38) for guiding the charging cable (40) into the second accommodating space (26). The device also relates to a charging device (64) for charging an electrical energy store (12) of a vehicle (14), and to a vehicle (14) with which an electrical energy store of a vehicle can be charged.