237 results about "Alternator" patented technology

A vehicle having a primary mover, a charging system, multiple electric loads, and a controller. The charging system includes a charge storing device and an alternator. The alternator is configured to convert mechanical energy generated by the prime mover into electrical energy to charge the charge storing device. The multiple electrical loads are electrically coupled to the charging system via a power distribution module. The controller is communicably coupled to the charging system and is configured to receive an indication that an electrical output of the charging system is unable to provide sufficient electrical energy to each electrical load in the electrical loads. The controller is also configured to provide a control signal to the power distribution module in response to the indication. The control signal is configured to cause the power distribution module to decouple at least one of the electrical loads from the charging system.

A marine AC generator system includes a marine generator driven by an internal combustion engine and configured to generate an AC current and a rectifier configured to rectify the AC current to provide a DC current. At least one battery is configured to receive and be charged by the DC current. A battery powered inverter is configured to be powered by the at least one battery and to generate a variable current output frequency such that an AC electrical power is provided to a load when the marine generator is not running.

The invention relates to the field of automobile alternating-current generators, and discloses a high-power alternating-current generator which comprises a machine shell, a rear end cover arranged behind the machine shell and a built-in machine shaft. A heat dissipation hole is formed in the rear end cover, a rotating block with a first fan blade is arranged in the hole, and the rotating block is rotationally installed on a supporting frame fixed to the rear end cover; a connecting groove is formed in the transmission shaft, the main shaft is inserted into the groove and is in transmission connection with the groove, and two ends of memory alloy in the groove are fixedly connected with the main shaft and the transmission shaft; the rotating block and the transmission shaft are in clutch transmission through the second butt joint assembly. A sliding sleeve with a second fan blade is arranged between the first fan blade and the second fan blade, is provided with a through hole and is in clutch transmission with the transmission shaft through a first butt-joint assembly; the sliding sleeve is provided with a groove, the rotating block is rotatably provided with a connecting rotating ring, the connecting rotating ring is fixedly connected with a supporting rod, and the supporting rod is inserted into the inserting groove. A mechanism for driving the transmission shaft to move is arranged between the transmission shaft and the sliding sleeve. After the temperature in the alternating-current generator rises, the transmission shaft drives the rotating block and the first fan blade through the second butt joint assembly, the two fan blades are stacked for heat dissipation, and the high-temperature requirement is met.

The invention discloses an energy storage balance wind power generation control system, and belongs to the technical field of energy storage and power supply, the energy storage balance wind power generation control system is provided with an energy storage adjusting structure and a speed reduction structure, the energy storage adjusting structure comprises a transformer T, and an adjustable slide rheostat is arranged between each phase input end of the transformer T and each phase output end of an alternating current generator; by automatically adjusting the resistance value of the slide rheostat, the voltage of each phase input end of the transformer T is automatically stabilized. The speed reduction structure comprises a cabin, a rotating shaft is arranged in the cabin, one end of the rotating shaft is fixedly connected with blades, the other end of the rotating shaft is fixedly connected with an alternating current generator, a rotating disc is fixedly connected to the surface of the rotating shaft, a rotating disc groove is formed in the rotating disc, and a weight block is arranged in the rotating disc groove. The arc-shaped block is arranged on the surface of the weight block and abuts against the inner wall of the cabin, so that the rotating speed of the rotating shaft and the blades is reduced, the voltage generated by the alternating-current generator is more stable, and the voltage balance when wind power generation is merged into a municipal power grid is improved.

A generator includes a housing that defines a housing region and a fluid passage that forms a portion of a fluid circuit and includes an outlet in fluid communication with the housing region, a pump configured to convey fluid along the fluid passage, a bearing disposed about the pump, an alternator having a stator and a rotor disposed within the housing region, and a hub configured to receive torque for rotation about an axis. The hub is coupled with the rotor, such that rotation of the hub about the axis drives rotation of the rotor about the axis, and is coupled with the pump, such that rotation of the hub about the axis operates the pump. The hub defines an interior volume and comprises a bearing carrier engaged with the bearing, such that the bearing supports and facilitates rotation of the bearing carrier relative to a portion of the pump.

The utility model relates to the technical field of blast furnace gas residual pressure power generation turbines, and discloses a cleaning device for a blast furnace gas residual pressure power generation turbine, which comprises a cart, and a cleaning agent box is arranged at the top end of the cart. According to the technical scheme, the partition plate can be installed through the clamping frames, the interior of the cleaning agent box is divided into two cavities through the partition plate to be used for storing cleaning agents and clean water, the multiple clamping frames are arranged, the position of the partition plate can be adjusted, workers can select the cleaning agents and the carrying volume proportion of cleaning conveniently, and the cleaning agent box is convenient to use. Meanwhile, a piston rod of an electric push rod can push a moving block to move, a vertical plate and a plate body can be driven to do repeated linear movement through movement of the moving block, the cleaning agent can be stirred, the cleaning agent can be prevented from precipitating, and integrated storage and collaborative transportation of the cleaning agent and clean water can be achieved through cooperation of all the structures; and the carrying difficulty is reduced.

Systems and apparatuses include a container for a generator set. The container includes a housing including a cooling room structured to support a radiator and a radiator fan within the housing, an exhaust room structured to support an aftertreatment system, an engine room structured to contain the engine and the alternator within the housing, an air intake system positioned adjacent the engine room, and a control room structured to support control equipment for the generator set. The exhaust room may further support after treatment components including a muffler and an exhaust pipe.

A waved-powered UUV. The wave-powered UUV may comprise a nose and body. The nose may comprise a nose buttress plate and guide shaft. The body may comprise a body buttress plate having first and second clearance openings; linear-to-rotary power converter (LRPC) having a splined shaft attached to the nose buttress plate and longitudinally disposed through the first clearance opening; AC generator operably coupled to the LRPC; AC-DC converter electrically coupled to the AC generator; battery module electrically coupled to the AC-DC converter; DC motor electrically coupled to the battery module; propeller operably coupled to the DC motor; and guide shaft tube attached to the second clearance opening for receiving the guide shaft. The nose and body may be in a sliding relationship, and the wave-powered UUV may recharge its battery module when subject to wave energy by moving the nose relative to the body in a reciprocal linear motion.

Loading device (1) designed in the form of a roller test stand with driven rollers (2) for charging an electrical energy storage device in a motor vehicle (4), in particular in an electric or hybrid vehicle, so that the electrical energy storage device of a motor vehicle (4) parked on it and connected to the vehicle wheels (3) of an axle via the rollers (2) is charged via its alternator or an electric motor of the motor vehicle (4) designed as a generator, characterized by, a detection / control device (5) which, depending on the vehicle type of the motor vehicle (4), determines the alternator or electric motor used and ascertains an optimal recuperation range and thus an optimal speed range for the alternator or electric motor used, wherein the detection / control device (5) furthermore detects current state variables of the electrical energy storage device and controls or regulates a drive device for driving the rollers (2) in such a way that it drives the rollers (2) according to the optimal recuperation power of the alternator or electric motor and while adhering to current limit values ​​of the electrical energy storage device, a holding device for fixing the motor vehicle (4) during loading, which is designed in the form of folding wedges that stand up and form a wedge shape when the motor vehicle (4) drives over them with its vehicle wheels (3) and thereby fixes the motor vehicle (4).

The present application relates to a motorcycle AC motor, AC motor stator assembly and its preparation method, the AC motor stator assembly includes the stator main body, the stator main body outer wall is provided with a plurality of winding teeth, and winding slot is arranged between the adjacent two winding teeth;The winding tooth includes a charging ignition coil winding tooth and a plurality of charging lighting coil winding tooth;The top of each winding tooth is provided with an arc-shaped pole shoe, and the two side edges of the pole shoe are provided with arc-shaped baffles;The outer wall of the stator main body, the outer wall of the winding tooth, the inner side wall of the pole shoe and the inner side wall of the baffle are all covered with an insulating layer, and the insulating layer is fixedly provided with a charging ignition coil lead-out head and a charging lighting coil clamping piece clamping groove.The present application only sets up a charging ignition coil winding tooth, and only needs to set up a charging ignition coil when manufacturing, so that the winding workload is reduced, and the production efficiency is improved.

The utility model relates to the technical field of alternating-current generator structures, in particular to an alternating-current generator structure which comprises a machine core, a front end cover and a rear end cover, the front end cover and the rear end cover are spliced in a front-back mode and arranged on the periphery of the machine core in a wrapping and sleeving mode, and a front protective cover close to the front side of the front end cover is installed and connected on the peripheral side face, close to the outer side, of the front end cover. A rear protective cover close to the rear side of the rear end cover is installed and connected to the peripheral side face of the rear end cover, and the front protective cover comprises a fan-shaped front plane protective plate perpendicular to the axial direction of the generator and an arc-shaped front curved surface protective plate integrally connected to the rear side edge of the front plane protective plate. The rear protective cover comprises a fan-ring-shaped rear plane protective plate perpendicular to the axial direction of the generator and an arc-shaped rear curved surface protective plate integrally connected to the front side edge of the rear plane protective plate, the bending direction of the front curved surface protective plate and the bending direction of the rear curved surface protective plate are consistent with the circumferential direction of the generator, heat dissipation is good, and use is flexible.

A contactless power feeding facility includes a coupling unit electromagnetically coupling a target feeder line and an adjacent feeder line. A target power supply apparatus includes: a phase detector detecting the induced current phase which is the phase of an induced current flowing through the target feeder line by the electromagnetic induction via the coupling unit while an alternating current is supplied to the adjacent feeder line by an adjacent power supply apparatus; an alternating-current generator generating the alternating current to be supplied to the target feeder line; and a phase controller controlling the alternating-current generator such that the phase of the alternating current to be supplied to the target feeder approaches the induced current phase detected by the phase detector.

The invention discloses an intelligent monitoring system for a high-frequency grounding device of a journal sticking type axle engine, which comprises a hardware module, a remote monitoring cloud platform and a local intelligent monitoring unit, and is characterized in that the remote monitoring cloud platform is in wireless communication connection with the local intelligent monitoring unit, the local intelligent monitoring unit monitors the hardware module in real time, and the hardware module is in wireless communication connection with the remote monitoring cloud platform. The remote monitoring cloud platform comprises a big data analysis and fault engine module, and the big data analysis and fault engine module comprises a long-term trend analysis unit, a precision fault model diagnosis unit and an algorithm model optimization and parameter issuing unit; the system realizes real-time intelligent monitoring of the state of the high-frequency grounding device through multi-sensor information fusion and a hierarchical decision mechanism, not only can early identify faults such as carbon brush wear and arc discharge, but also can adapt to environmental changes, effectively reduce the false alarm rate, improve the suppression efficiency of shaft current, and improve the reliability of the high-frequency grounding device. Therefore, the service lives of the bearing and equipment are prolonged.

A carbon brush configured to be implemented in an alternator device. The carbon brush includes a carbon block configured to deliver a current and a health sensor operatively coupled to the carbon block configured to detect a lifespan of the carbon block and alert a user when the lifespan reaches a predetermined threshold. Alerting the user when the lifespan reaches the predetermined threshold may comprise actuating one or more warning lights.

A controller for a vehicle power system that includes (i) a vehicle that has a battery, an alternator powered by an engine, and an exhaust aftertreatment system that includes an exhaust aftertreatment component, a temperature sensor, and a heater, and (ii) an external power source that is separate from the vehicle. The controller receives, from the temperature sensor, a first temperature signal associated with temperature of the exhaust aftertreatment component and, in response to determining that the temperature is less than a target temperature of the exhaust aftertreatment component, causes power to be provided from the external power source to the heater. The controller further receives, from the temperature sensor, a second temperature signal associated with the target temperature and provides an indicator indicative of the exhaust aftertreatment component reaching the target temperature and the external power source being disconnectable from at least one of the controller or the heater.

The invention relates to a method for controlling a drive system (M) comprising a turbine engine (TM) coupled to an electric machine (MEL), an electronic control unit (20) for controlling the drive system, the electronic control unit being connected to a power converter (12), and a drive system for selectively driving the electric machine in an engine mode and a generator mode in accordance with a reference torque filtered in an adaptive manner in order to exclude an excitation frequency range of at least one torsional mode of the drive system in accordance with a stator phase voltage of a permanent magnet alternator driven by the turbine engine. The invention also relates to a corresponding drive system and to an aircraft comprising such a drive system.

A processing section of an instruction generating device provided separately from a general inverter performs the following processing. A rotation calculating section calculates a value related to rotation of a rotor of a virtual generator when the virtual generator is driven in accordance with a rotor model that calculates a value related to rotation of the rotor of the virtual generator based on simulation of driving the virtual generator and an effective power command. A target determining section determines a target value of a voltage frequency and a target value of an effective power based on the calculated value related to rotation. An instruction generating section generates a control command for the inverter based on the determined target value of the voltage frequency and the target value of the effective power. A time constant related to a synchronous force of the rotor model and a time constant related to a synchronous force of the alternator are identical.

Portable dual-battery trailer Al controlled charging system is disclosed for electric vehicles including long-haul trucks, RVs, compact EVs, and electric golf carts and system integrates dual battery packs, a gyro wheel, an ECVT type gearbox, and a generator / alternator for mobile energy recovery and charging and AI module and PID-based controller dynamically manages energy flow, field voltage, and battery switching using real-time driving data, and trailers have scalable battery capacity, a coiled charging cable, cooling fans, and compact rooftop storage carrier, and one trailer can be configured for 36V or 48V golf carts with low voltage recognition and top compartment for golf club storage and AI adapts to driving patterns to optimize performance and range and includes an onboard AC power panel for tools or appliances providing back up power during blackouts, off-grid energy for cabins, construction or emergency use, and a home charging port for recharging while stationary.

The present invention supplies a necessary and sufficient amount of power at an appropriate timing when supplying power from a capacitor, a battery, or the like at the time of starting of a load.　The present invention is a power assist device that is connected to an output system of an AC generator for driving an engine and supplies assist power to a load, wherein the power assist device comprises a capacitor, a power conversion unit for converting DC power discharged by the capacitor into AC power and generating assist power, and a control unit for controlling the assist power generated by the power conversion unit, and the control unit detects the output frequency of the output system, synchronizes the assist power with the output frequency of the AC generator, detects output variation in the output system due to the load power, and controls the assist power in accordance with the output variation.

Crankshaft angle detection device, which includes: an alternating current generator rotor (20) which is held by one end of a crankshaft (10) and is designed to rotate integrally with the crankshaft (10); a pulse generator ring (30) made of a metal plate, having an outer diameter (D2) larger than an outer diameter (D1) of the AC generator rotor (20), wherein the pulse generator ring (30) has an annular plate region (31) and a detected region (32) having a plurality of convex regions (32) formed on an outer circumference of the annular plate region (31), which form a predetermined void between themselves and an outer circumferential surface (22) of the AC generator rotor (20), being curved in the direction of the outer circumferential surface (22) of the AC generator rotor (20) in an axial direction of the crankshaft (10), and is configured to rotate integrally with the AC generator rotor (20), wherein the annular plate region (31) is attached to a side surface (21) of the AC generator rotor (20); and a magnetic sensor (40) which is formed on an outer circumference of the pulse generator ring (30) and is designed to detect the detected area (32).

A method and controller are provided for operating an isolated or weakly connected electrical grid supplied by at least one fluctuating renewable energy source, such as wind or photovoltaic generation, in combination with a grid-forming controllable inverter coupled to a battery. The inverter operates as a master controller to regulate grid frequency and voltage, while the renewable sources operate as slaves. Battery charging and discharging are controlled according to deviations in grid frequency and charge level, with slopes defined for smooth power transitions. Additional selectively driven or non-driven alternators may be coupled in parallel with the inverter to stabilize frequency, provide inertia, reactive power, and short-circuit capacity, or support load changes. Control logic further manages integration of combustion engine-driven generators, resistive load banks, and external energy banks, while accounting for battery temperature and charge thresholds, thereby ensuring stable grid operation under fluctuating generation and demand conditions.

The invention discloses a direct-current charging pile based on a novel direct-current generator and a control method, and relates to the technical field of direct-current charging piles, the direct-current charging pile comprises a direct-current generator set, a direct-current power generation controller, a direct-current charging controller, a direct-current charging gun, a touch screen and a 12VDC power supply, comprising an engine, an integrated starting generator, a generator control unit and a power distribution unit, the direct-current power generation controller achieves the functions of charging starting and stopping, output parameter adjustment, protection control and the like, and the direct-current charging controller achieves the functions of communication interaction with a vehicle BMS and charging guide control. The direct-current generator set is used for replacing a traditional alternating-current generator set, a direct-current charging gun is reserved, the generator control unit is used for replacing an AC-DC module to be integrated into the direct-current generator set, a direct-current power source is directly output, and under the same output power, the advantages of being small in size and light in weight are achieved; the goals of stable voltage, accurate power matching and in-place safety protection are achieved.

A system, method and apparatus are disclosed for converting DC power to AC power. The system may include a plurality of series generative AC devices 502 such as DC to AC inverter systems 600 connected in series whose collective output may export power to a AC electrical power delivery network such as a provided AC grid phase. The system may also include an analog reference signal 518 representing the phase voltage used by each of the plurality of series-connected inverters to control proper synthesis of inverter output power. The system may also include a severance device 510 that separates the string of inverters 506 from the grid when not exporting power.

The invention relates to an electric motor or alternator comprising a rotor having p≥1 pair(s) of magnetic poles, a stator (100) configured to cooperate at an air gap with said rotor to produce a mechanical force and / or an induced electrical voltage, said stator comprising a plurality N of coils (10⁴, 10⁴φ₁, 10⁴φ₂, 10⁴φ₃), characterized in that: - The coils are wound toroidally around the magnetic circuit of the stator, - The coils are wound and energized such that the orthoradial magnetic fluxes of the common-mode currents of each coil add together, so as to obtain a high inductance, to reduce said common-mode currents, - The plurality N of coils satisfies the following equation: N = M x Q x pxk, with: - M: number of phases, - k = 1, - Q = number of coils per pole pair and per phase. Figure [3]

A vehicle having an automatic driving function has an alternator (2), a starter motor (5), a load A group (21) including one of two automatic driving electric loads that form a redundant system, a load B group (22) including the other automatic driving electric load, a lead-acid battery (6), and a lithium-ion battery (7) for backup. During normal operation, a circuit interrupting switch (13) and a LiB relay (10) are ON. When restarting an engine after an idling stop control, power is supplied to the starter motor (5) from the lead-acid battery (6) with the circuit interrupting switch (13) being in an OFF state. Preferential charge of the lead-acid battery (6) is performed with the circuit interrupting switch (13) being held OFF for a predetermined time period after the restart, and after that, the circuit interrupting switch (13) is turned ON, and the lithium-ion battery (7) is also charged.

To provide a rotating electric machine such as a motor or a generator which avoids a change in a magnetic flux direction adjacent to an air gap.SOLUTION: The disclosed improvements may be applied to a permanent magnet alternator, an induction motor and a generator, a doubly fed induction generator etc. Adaptation of coils to and fixation within required slot geometries are disclosed. Excitation systems collocated within a primary stator core and a primary stator core are also disclosed. Use of rubber vulcanized to the rotor in conjunction with a stainless steel rotor sleeve is also disclosed.SELECTED DRAWING: Figure 4a

The utility model discloses a tool for crimping a pin bush of a certain type of alternating-current generator controller, and belongs to the field of tools for crimping pin bushes. Comprising a supporting module, a positioning module, a centering module and a force applying module which are sequentially arranged in the axial direction, and a to-be-pressed workpiece and a pin bush are located between the positioning module and the centering module; the supporting module and a workbench of the press machine are detachably connected, the supporting module and the positioning module are detachably connected, and a workpiece to be pressed is arranged on the supporting module through the positioning module. The centering module is coaxial with a mounting hole of a workpiece and a pin sleeve, the force application module is used for providing axial pressure, and the centering module is used for transmitting the axial pressure to the pin sleeve. The positioning and crimping tool is convenient to operate, ensures the technical requirements of pin bush crimping under the condition of reducing the stress of a case structure, is convenient for operators to use, and effectively improves the crimping efficiency of products.

The invention relates to a hubcap (30) for generating electrical energy, comprising: - an aesthetic part (31) rotationally linked with said wheel hub, - a dynamic part (38) mounted freely to rotate about an axis (39) fixed relative to the aesthetic part (31), said dynamic part (38) comprising an alternator rotor associated with an alternator stator mounted on the axis (39), and - a coupling device (45) mounted between the dynamic part (38) and the aesthetic part (31) capable of selectively assuming: - a coupled state in which the dynamic part (38) is rotationally linked with the aesthetic part (31), and - an uncoupled state in which the dynamic part (38) is free to rotate relative to the aesthetic part (31) such that a rotation of the alternator rotor relative to the alternator stator generates an electric current to recharge a battery. Figure 2