46 results about "Single-phase generator" patented technology

Some embodiments relate to a power generation system which includes a bus and a first single-phase synchronous generator that may provide a voltage output to the bus. A first generator controller operates the first single-phase synchronous generator. The power generation system further includes a second single-phase synchronous generator that may provide a voltage output to the bus. A second single-phase synchronous generator controller operates the second single-phase synchronous generator. The power generation system further includes a communication module that exchanges data with at least one of the first generator controller and the second generator controller such that the first generator single-phase synchronous generator and the second single-phase synchronous generator are able to simultaneously supply a voltage and current output to the bus.

The invention relates to a flux switching type magnetic-concentration transverse flux permanent magnetic wind generator, in particular to a novel high-performance and direct-driving type transverse flux permanent magnetic wind generator. The generator comprises a stator, a rotor, permanent magnets and a winding. The stator consists of a plurality of stator cores (1) and an armature winding (5), wherein the stator cores (2) are distributed around the rotor. Two adjacent stator cores (1) in the circumferential direction are arranged in bilateral symmetry, and the stator cores are arranged on a casing (7) made from non-magnetic conductive material. Rotor cores (4) are arranged on a barrel (8) made from the non-magnetic conductive material. The barrel is connected with a motor rotary shaft (6), and is connected with a motor casing (7) through a bearing (9). Both sides of the rotor cores (4) are respectively embedded into permanent magnets (2) and (3), and the pole directions are opposite. The pole directions of the permanent magnets (2) and (3) of two adjacent rotor cores (4) in the peripheral direction are opposite. According to the motor structure, the single-phase generator can be manufactured, and the multiple-phase generator also can be manufactured.

A equal-turn single phase winding of a medium frequency and permanent magnet generator is provided, which is characterized in that the single phase winding is composed of 12 equal-turn windings in series in case of 36 slots and 14 poles, with two winding pitches: 8 windings when the winding pitch Y=1-3, and 4 windings when the winding pitch Y=1-2; the single phase winding is composed of 12 equal-turn windings in series in case of 36 slots and 10 poles as well , but with only one winding pitch Y=1-4. The invention has the advantages that: for a multi-pole permanent magnet single phase generator, the winding can eliminate the difficulty that the generators can not be arranged in accordance to the traditional concentric unequal-turn method due to the multi-poles and sufficient slots; while the single phase winding composed in un-equidistant or equidistant but equal-turn type can accomplish the low magnetometive harmonic wave for the concentric unequal-turn single windings, with simple process and convenient application.

A single-phase to n-phase converter and a power conversion system are capable of easily connecting n (n represents an integer of 3 or greater) single-phase electric generators to an n-phase electric power system. The single-phase to n-phase converter includes n (n represents an integer of 3 or greater) single-phase electric generators, and a single-phase to n-phase transformer for converting n single-phase electric power outputs from the n single-phase electric generators into an n-phase system output, and then supplying the n-phase system output to a primary side of the single-phase to n-phase transformer. The n single-phase electric generators are connected to a secondary side of the single-phase to n-phase transformer.

The invention discloses a three-phase power supply with rectification and voltage stabilization functions, which comprises a voltage regulation module, a constant current module, a step-up module, a rectification module and a micro controller module, wherein the voltage regulation module, the constant current module, the step-up module and the rectification module are sequentially connected; and the micro controller module is respectively connected with the voltage regulation module and the rectification module. As a three-phase power generator is adopted for the three-phase power supply of the invention, the size is smaller than that of a single-phase power generator with the same power, material is saved, the three-phase power generator has a simple structure, the use and the maintenance are convenient, the vibration in the case of operation is smaller than that of the single-phase power generator, the three-phase transmission line can save about 25% of material when the same power is transmitted under the same condition and particularly remote transmission is carried out, and the power supply mode adopted by the power system in the world mostly belongs to a three-phase system, and generally, single-phase AC power is mostly acquired from three-phase AC.

The invention provides a three-phase generator driven by vehicle waste gas, which belongs to the field of electrical appliances of automotive motors. The three-phase generator consists of a rotator, a stator, a front end cover, a rear end cover, a turbine and a turbine scroll; an armature winding of the stator is an armature winding with three same phases; the armature windings in three phases respectively cross over three poles of a stator core and sequentially inserting wires; each permanent magnet on a permanent magnetic rotor corresponds to every three poles on the stator core; a three-phase armature structure and a rectifying voltage stabilizing device are used for stabilizing the voltage and outputs the current with stabilizing voltage, thereby directly supplying power to a vehicle direct current electrical appliance and charging a storage battery; in addition, the turbine is fixed on the rear end cover of the generator by a bolt; the turbine and the generation shares with the same shaft; and the three-phase generator has compact structure, small occupied space and convenient mounting, and is the waste gas exhausted by the generator, thereby saving energy and reducing the cost.

A high-power track welding efficient excitation single-phase generator comprises a front end cover, a stator, a rotor, an excitation box, an exciter, a rear end cover, a bearing and supporting frames. The front end cover is connected with the stator, the stator is connected with the rotor through the bearing inside the rear end cover, the exciter is arranged on one side of the stator and the rotor, the excitation box is installed at the upper end of the generator, and the whole generator is supported by the two supporting frames. The high-power track welding efficient excitation single-phase generator has the advantages that the efficiency of the generator is improved, the current shock ability is improved, the size of the generator is reduced, the consumption of raw materials in the process of manufacturing the generator is reduced, the transient response ability is improved, the high-power track welding efficient excitation single-phase generator is especially suitable for being used in track welding machines, and the investment and the use cost can be lowered.

The invention relates to a series capacitors-running single phase permanent magnet synchronous generator comprising a two-phase permanent magnet synchronous generator and an external running capacitor (C1), wherein the permanent magnet generator adopts a surface magnetic steel or embedded type permanent magnet rotor structure; two-phase armature windings with the difference of space electrical angle of 90 DEG are placed in a stator core, have the same distribution forms and adopt single-layer distributed windings, two-layer distributed windings or sine distributed windings. The proper capacitor (C1) is connected in series with one phase winding with hysteresis electrodynamic force and then connected in parallel with the other phase winding to output a single phase voltage outside so that current amplitudes of the two-phase armature windings are approximately equal, a phase difference is close to 90 DEG, an armature current resultant magnetic field is circular or elliptic, and influences of a pulse vibration magnetomotive field generated by the single phase armature current on waveform distortion of the generator output voltage, vibration and noise are reduced. Because all stator slots are fully utilized in the generator, the output power of the generator is improved by more than 40% to the maximum degree in comparison with the traditional single-phase generator of the same size, the size of the generator is reduced.

The invention relates to a method for realizing digital signal processor (DSP) control over an intermediate frequency single-phase generator inverter. The method is characterized by comprising the following steps that: the DSP control software of a system turns into an interrupt subprogram by detecting a current value of the inverter in a motor starting process to generate an interrupt signal; the interrupt subprogram forcibly switches off an insulated gate bipolar transistor (IGBT) device of the system, clears pulse width modulation (PWM) sampling point sequence numbers of the system, marks a current load as a motor in a started state, and deeply down-regulates the modulation degree M of a PWM of the system; and after finishing the interrupt subprogram and returning to a main program, the DSP control software continues dynamically regulating the M according to the magnitude of starting current to make the output voltage of the regulated inverter adapted to the capacity of the started motor, so that the motor can be ensured to maximally obtain the starting current on the premise of safety of the IGBT device when the motor is started.

The invention relates to a generator, in particular to a single-line multi-pole outer rotor single-phase generator. The generator comprises a shell, wherein a stator is arranged in the shell; a plurality of permanent magnetic steels are arranged on the inner wall of the shell; the polarity of the same ends of two adjacent permanent magnetic steels is opposite; the stator is formed by mutual superposition of a plurality of silicon steel sheets; a plurality of wire slots are radially arranged on the stator; and generator windings are arranged in the wire slots. The generator is characterized in that the wire slots are radially and uniformly distributed on the outer edge of the stator; the outer ends of the wire slots are communicated with the outer edge of the stator; the number of the wire slots is integral multiple of 6; the generator windings comprise enamelled wires a, enamelled wires b and enamelled wires c; the enamelled wires a, b and c are respectively put at the bottoms of three wire slots 1, 2, 3 and are wound continuously in the wire slot order of 1-6-1-6, 2-5-2-5 and 3-4-3-4; and after being wound, the enamelled wires a, b and c are connected as one in a cross manner to serve as the output end of the single-phase generator. As fewer enamelled wires and fewer copper materials are consumed for the stator windings, not only is the manufacturing cost of the generator low but also the weight of the generator can be greatly reduced.

The invention discloses a small-sized two-pole single-phase generator, comprising a rotor (1) and a stator (2), wherein, the rotor stretches into the stator (2); coiling grooves (3) are distributed at the upper part and the lower part of the rotor (1); winding coils (4) are arranged at the two sides of the iron core of the stator (2); the winding coils (4) are secondary windings; winding assemblies are arranged at the upper part and the lower part of the iron core of the rotor (1), and are arranged symmetrically; and sawtooth-shaped radiating grooves (7) are distributed on the outer surface of the iron core of the stator (2). The small-sized two-pole single-phase generator of the invention greatly lowers the waveform sinusoidal aberration rate of the voltage output by the generator, greatly enhances the adaptability to the capacitive load, and is beneficial for prolonging the service of the electric appliances.

The invention discloses a power generation method of a portable three-phase AC generator. The portable three-phase AC generator mainly comprises an inversion circuit, a trigger driving circuit, a three-phase four-wire system output circuit, an output sampling circuit, a microprocessor unit and related facilities of the portable three-phase generator. A portable generator is convenient to use, butis usually a single-phase generator. According to the power generation method of the portable three-phase AC generator, three groups of inversion units are connected in parallel, and three groups of sine waves with the phase difference of 120 degrees are generated by the control of the trigger time of the corresponding inverter circuits, and the outputs of the three groups of inverter circuits areconnected to form a three-phase four-wire system structure, so that a three-phase alternating current is outputted, and the requirement of a three-phase electric load in a field or a region which cannot be covered by a power grid is met. The application range of the small gasoline generator is enlarged, and the generator can be widely applied to the technical field of generators.

The invention relates to the technical field of parallel connection of a power generator set, in particular to a parallel control method of a small-size single-phase power generator set. The parallelcontrol method comprises the following steps of acquiring a single-phase current input and a single-phase voltage input of each small-size single-phase power generator set in a parallel state, and analyzing to obtain corresponding active power data, reactive power data and frequency data; adjusting an excitation current value of the corresponding small-size single-phase power generator set according to the reactive power data; adjusting a corresponding engine output power according to the active power data and the frequency data; and judging whether an inverse power protection mechanism of thesmall-size single-phase power generator set is triggered or not according to the active power data. By analyzing the active power data and the reactive power data, the excitation current value of thesmall-size single-phase power generator set is adjusted and is used as a judgment criterion of triggering the protection mechanism of the small-size single-phase power generator set, so that the parallel running of the small-size single-phase power generator set is ensured, and the effective utilization ratio of the power generator is improved to the greatest extent.

The invention discloses a single-phase generator for illumination. The generator comprises a generator shell, a stator assembly arranged in the generator shell and a mover assembly moving relative tothe stator assembly. The stator assembly comprises a stator core and a plurality of stator coils installed on the stator core, the mover assembly comprises a moving shaft, a plurality of mover magnetic poles are evenly distributed outside the moving shaft, the moving shaft drives the mover magnetic poles to move relative to the stator coils, and a length of the mover magnetic poles installed on the moving shaft is larger than that of the stator core. The single-phase generator for illumination, which is light in weight and long in service life, is provided for an upper illumination surface ofa bicycle.

The invention relates to an elastic supporting structure of a single-phase generator, which consists of a support, springs, a pressure plate and an extended part of the base of a motor, wherein the springs are arranged above and below the extended part of the base of the motor for effectively reducing vibration generated in the single-phase operation of the generator and the impact load applied by the base onto the ground, and thus, have a great significance for the safe operation of the generator. The structure is simple and compact, and the action effect is obvious. When the technique is used, strict requirements on the vibration frequency of the base of the motor are avoided, the steel consumption of the structure is lowered, and the pressure stress of a foundation is smaller.