45results about How to "Increase electricity load" patented technology

The invention discloses a cylindrical type transverse magnetic-field permanent-magnet flux-switching linear motor, belongs to the motor field, and aims to solve the problems of a relatively low space utilization rate, a complex manufacturing process, large permanent magnet dosage and high cost of an existing transverse magnetic-filed permanent-magnet motor. The cylindrical type transverse magnetic-field permanent-magnet flux-switching linear motor comprises a rotor and a stator, wherein the rotor is arranged inside the stator, and the rotor linearly moves inside the stator in the axial direction; a radial air gap is formed between the rotor and the stator; the stator comprises m short stator modules which are uniformly distributed in the axial direction to form an m-phase motor; each short stator module comprises p stator units and a plurality of stator magnetism isolating rings; the rotor comprises a shaft, w first rotor iron cores, w second rotor iron cores and a plurality of rotor magnetism isolating rings, and the structures of the first rotor iron cores and the second rotor iron cores are in mirror-image symmetry along the x axis or the y axis.

The invention discloses a concentrated winding DC bias-type hybrid excitation permanent magnet motor, which comprises a stator (1), a rotor (2), a winding (3) and permanent magnets (4), wherein the rotor has a slotted convex pole structure. The concentrated winding DC bias-type hybrid excitation permanent magnet motor is characterized in that the stator (1) has a toothed boot structure, slots are arranged at two sides of the top ends of stator teeth or in the middle of top ends of an uneven number of stator teeth for accommodating the permanent magnets (4); and the winding (3) adopts a fractional-slot non-overlapped concentrated winding, and current in the winding comprises an AC component and a DC component. According to the hybrid excitation permanent magnet motor of the invention, as a special excitation winding is omitted, in a condition with the same copper consumption, the output torque is larger; reluctance in an excitation magnetic field generated by the DC component in an armature winding is little, and the magnetic field adjustment ability is strong; in short circuit fault, the short circuit current is small and the reliability is high; and besides, the motor structure is greatly simplified, the processing process is simple, and the cost is reduced.

The invention discloses a modular axial flux permanent magnet motor. The motor comprises a stator, double rotors and a bearing. The stator comprises a stator iron core, a stator winding, stator iron core fixing pins and a stator sealing plate. The stator iron core adopts a modular structure, the stator winding is wound on a yoke part of the stator iron core, and the stator iron core fixing pins radially penetrate through the stator iron core and are fixed on a fixed ring. The stator sealing plate is used for sealing stator cooling oil to improve the cooling effect. The rotors comprise rotor back yokes and rotor permanent magnets which are symmetrically installed on two sides of the stator, the rotor permanent magnets are fixed to the rotor back yokes, and inner circumferences of the rotorback yokes are fixed to the bearing. Equal air gaps are kept between the double rotors and the stator to generate a magnetic field. The modular axial flux permanent magnet motor has the advantages ofhigh air gap flux density, high stator structural strength, high torque density and good cooling effect and is suitable for being applied to electric propulsion, wind power generation and high-speed flywheel energy storage occasions.

The invention discloses a primary permanent-magnet vernier linear motor and a segmenting method therefor, and belongs to the field of vernier linear motors. A primary side which is provided with a permanent magnet in an embedded manner and a winding is segmented to form an upper primary side and a lower primary side, wherein the upper primary side and the lower primary side are respectively provided with the winding and the permanent magnet in an independent manner, the winding is a centralized or distributed winding, and the permanent magnet is disposed at the lower primary side in a surface-embedded or built-in manner, and also can be embedded at the lower primary side in the surface-embedded if a magnetism gathering module is employed. The magnetism gathering module consists of the following parts: one permanent magnet with the magnetizing direction being in a radial direction, and two smaller permanent magnets which are distributed at two sides of the radial magnetizing permanent magnet, wherein the magnetizing directions of the permanent magnets at two sides are symmetric. A secondary side is a cut-off inverted trapezoidal iron core, and is disposed between the upper primary side and the lower primary side. The linear motor is advantageous in that the primary side is segmented, thereby effectively avoiding the space conflict between the permanent magnet and the winding, facilitating the adjustment of an electric load so as to improve the push density; in addition, a long secondary side has no winding and permanent magnet, thereby greatly reducing the cost; the linear motor can be used in the field of long-distance rail transit.

Disclosed is a novel static sealed high-temperature superconductive excitation magnetic flux switching motor. The novel static sealed high-temperature superconductive excitation magnetic flux switching motor comprises a stator and rotors from outside to inside, wherein the inner side of the stator is uniformly and alternately wound with stator teeth and stator non-ferromagnetic supporting parts in the circumferential direction; the stator teeth and the stator non-ferromagnetic supporting parts are radially arranged in pairs; the stator teeth are wound with armature windings; the stator non-ferromagnetic supporting parts are wound with high-temperature superconductive excitation windings; and the rotors are separated through rotor non-ferromagnetic supporting parts to form segmented rotor iron cores which are uniformly and alternately wound in the circumferential direction. According to the novel static sealed high-temperature superconductive excitation magnetic flux switching motor, the non-ferromagnetic material is adopted to fix the high-temperature superconductive excitation windings, so that the area of armature winding slots is enlarged, the electric load of the motor is increased, and the motor power density is improved; meanwhile, the rotor side also adopts the non-ferromagnetic material to support the segmented rotor structure, so that a large amount of ferromagnetic material is saved, and the weight of the motor is lowered; and in addition, the dosage of the ferromagnetic material is reduced, so that the iron consumption of the motor is greatly lowered and the motor efficiency is effectively improved.

The invention provides a virtual peak regulation power plant system and intelligent hardware control equipment thereof. The virtual peak regulation power plant system comprises the intelligent hardware control equipment, a mobile phone APP platform, a central control platform and an operation management platform, wherein distributed power supplies and interruptible loads are controlled through theintelligent hardware control equipment; through the central control platform and the operation management platform, remote unified control for the terminal users such as mass distributed power supplies and interruptible loads authorized to a virtual peak regulation power plant is realized; the virtual peak regulation power plant provides auxiliary service for the power plant system, so that totalbenefits are obtained; and then through the operation management platform, the obtained total benefits are returned to the terminal users according to the contribution of each terminal user. The mobile phone APP can enable the terminal users to know equipment condition and benefit information at any time, and respective special electricity demand is fed back to the virtual peak regulation power plant.

A smart responsive electrical load (10) is operatively connectable to an electricity supply network (20). The smart responsive electrical load (10) comprises an electrical power-consuming device (30) and a control arrangement (40) for controlling a supply of electrical power from the network (20) to the device (30). The control arrangement (60, 110, 150, 160, 170) is operable to impose a variable time delay (tp) before supplying electrical power to the device (30) after a request for power to be provided to the device (30). The variable time delay (tp) is a function of a state of the network (20), for example its frequency (f) and / or its voltage amplitude (V). Optionally, the device (30) is a battery charger, for example for use with a rechargeable electric vehicle. Beneficially, the smart responsive load (10) is supplied with electrical power from a population of micro-generation devices (500) operable to provide supply network response.

The invention provides a method and a device for optimizing a regenerative electric boiler for improving wind power consumption on the spot, wherein the method comprises: establishing a wind turbine model, an electrode boiler model and a regenerative tank model; establishing a multi-objective optimization model; and solving the multi-objective optimization model to obtain the optimization index ofthe regenerative electric boiler. The technical solution provided by the invention adopts the form of wind power heating to consume the abandoned wind, and integrates and connects the wind farm withthe heating device to the urban heating pipe network by using the regenerative electric boiler as a heating device for society heat supply. During the low-load wind-storage period, the electrode boiler starts to operate to increase the electric load in the grid, thereby increasing the wind power consumption, reducing the abandoned wind, and converting the electric energy into heat energy, a part of which is directly used for supplying heat to the residents during the period, and the other part is stored in the heat storage tank; while during the peak load period, the electrode boiler reduces the wind power supply or stops the operation, and the heat storage tank starts to supply heat, thereby improving the wind power consumption capacity on the spot by optimizing the heat storage type electric boiler finally.

The invention provides a three-dimensional magnetic flux permanent magnet linear motor of a multi-air-gap independent winding structure and belongs to the technical field of motors. The three-dimensional magnetic flux permanent magnet linear motor comprises a primary assembly, a secondary assembly and multiple air gaps. The primary assembly comprises n primary units and armature windings, and the primary units are arranged perpendicular to the horizontal direction. An array composed of 2m+1 permanent magnets arrayed in a polarity staggering mode is arranged on each primary unit, the width of each permanent magnet is T / 2 (T is polar distance), and two rectangular grooves are formed by annular magnetic permeability iron cores arranged at the two ends of each permanent magnet and the permanent magnet, and the armature windings are arranged in two grooves in the vertical direction and are the same in phase. The secondary assembly is composed of n-1 secondary units, wherein the secondary units and the primary units are arrayed perpendicular to the horizontal direction in a staggered mode, and non-magnetic-permeability grooves or magnetism isolation bridges are arranged periodically arranged on secondary unit iron cores. The non-magnetic-permeability grooves of the adjacent secondary units are staggered by T / 2 distance in the horizontal direction. The motor is provided with 2n-2 air gaps. A three-dimensional magnetic circuit is adopted for the motor, high electromagnetic loads can be effectively achieved, and the motor has the advantages of being high in thrust density and reliability.

The invention discloses a servo limited angle torque motor, which comprises a stator core, a rotor, a rotation angle detection device and a structural support component, wherein the stator core is matched with the rotor based on stator teeth to generate a uniformly-distributed magnetic force line loop with low magnetic resistance; and the rotor generates excitation magnetomotive force with uniformamplitude in the air gap circumferential direction based on radially-magnetized magnetic steel to form a magnetic force line loop with low magnetic resistance and output torque. According to the invention, the tops of the stator teeth in the stator core are set to be crescent-shaped, and are matched with the tile-shaped long-strip-shaped magnetic steel having a certain pole arc size and equal inthickness direction of the rotor, so that the magnetic force lines generated by the magnetic steel are uniformly distributed at the tops of the stator teeth and form the low-magnetic-resistance magnetic force line loop, local saturation of the teeth due to improper shapes of the teeth is eliminated, a cogging-free area of the limited angle motor is maximized, and cogging torque fluctuation of therotor rotating in a working angle range is almost completely eliminated.

The invention relates to a distributed electric energy management control system based on a virtual power plant. The distributed electric energy management control system comprises a master station control layer, a virtual power plant layer, a user layer and an equipment layer which are arranged in sequence, wherein the master station control layer performs scheduling control and data calculationon each response terminal of the equipment layer through the virtual power plant; the virtual power plant layer comprises a plurality of virtual power plants, and bidirectional information intercommunication is established between each virtual power plant and the master station control layer and between each virtual power plant and the user layer for responding to bidirectional regulation and control; the user layer comprises a plurality of energy systems, each energy system is connected with a plurality of corresponding response servers, and each response server is connected with a pluralityof response terminals of the equipment layer in a wired or wireless mode. Compared with the prior art, the system has the advantages that the system calculation and information transmission time is shortened, and the operation is intelligent and accurate.

The invention discloses a permanent magnet motor applicable to high overload running, belongs to the technical field of motors, and aims at providing a permanent magnet motor which is simple structure and has high overload capacity to overcome the defects in the prior art. Therefore, the requirements on a high overload permanent magnet motor system in special fields are met. A machine case is in an annular structure; a stator core is also in the annular structure; the stator core is fixedly arranged on the inner circumferential surface of the machine case; a plurality of stator teeth are arranged on the inner circumferential surface of the stator core; various stator teeth, in the same phase, of the stator core are unequal in width; a winding winds each stator tooth of the stator core; 2p permanent magnets are tightly arranged into a cylindrical form and are arranged in the stator core; the 2p permanent magnets which are tightly arranged into the cylindrical form and the stator core are coaxially arranged; a gap is formed between each permanent magnet and the stator core; and rotating shafts are fixedly arranged in the 2p permanent magnets which are tightly arranged into the cylindrical form. The permanent magnet motor is applied to the fields such as aerospace, automotive power and lathe processing.

The invention discloses an instant heating type water heater under a cabinet. The instant heating type water heater comprises a water heater casing, a cold water inlet port and a hot water outlet port, wherein an electric heating pipe is arranged inside the water heater casing; a water inlet is arranged at the lower end of the water heater casing; a water outlet is arranged at the upper end of the water heater casing; the cold water inlet port is connected with the water inlet; the hot water outlet port is connected with the water outlet; a water flow switch is arranged between the hot water outlet port and the water outlet; and a throttling bayonet is formed in the cold water inlet port or the hot water outlet port. The instant heating type water heater has the advantages that the discharged water temperature in the low water temperature situation in winter can be increased under a limited heating power condition, and the throttling bayonet is formed in the water outlet of the water heater to control the hydraulic pressure of the discharged water flow to be below the normal hydraulic pressure, namely lower than 3 L / min through a smaller pipe diameter, so that the required discharged water temperature can be reached under a lower heating power condition, and can save water at the same time.

The invention relates to a selective user electricity price menu optimizing system and method. The method includes that starting from the principles of fairly and reasonably sharing cost, promoting reasonable electricity using of users and increasing user electricity price selectivity, a selectable electricity price model of large-capacity users is built and includes two-part options I high in capacity electricity price and low in electric-quantity electricity price and two-part options II low in capacity electricity price and high in electric-quantity electricity price, and corresponding seasonal electricity price solving model and method are provided on the basis. The selective user electricity price menu optimizing system and method has the advantages that reasonable electricity using of the users is reasonably guided; industrial and commercial users different in load characteristic are enabled to autonomously select most suitable electricity price type; power energy resources are utilized efficiently, power investment and power supply cost are lowered, and minimization of cost of electricity per unit is realized; the selective user electricity price menu optimizing system and method plays a certain role in promoting power supply-demand balance and resource optimized allocation; a selectable electricity price system is used to attract users, electricity using load is increased, and profit is increased.

The invention relates to a static sealing self-quench-preventing high-temperature superconducting motor which comprises an outer stator, a first air gap, a rotor, a second air gap and a high-temperature superconducting exciting inner stator which are sequentially arranged from outside to inside. The outer stator comprises an outer stator iron core and armature coils; the rotor comprises magnetic conductive iron core blocks and non-magnetic-conductive material blocks, which are arranged at intervals; and the inner stator comprises non-magnetic-conductive winding supports, high-temperature superconductive exciting coils and magnetic conductive rings arranged outside the high-temperature superconductive exciting coils. The magnetic conductive rings not only can provide radial magnetic paths for the high-temperature superconductive exciting coils and reduce the use quantity of high-temperature superconductive wires, but also can provide tangential magnetic paths for an armature reaction magnetic field and eliminate influence of the armature reaction magnetic field on critical currents of high-temperature superconductive exciting windings. The magnetic conductive rings outside the high-temperature superconductive exciting coils have a magnetic field shielding function, so that quench caused by action of the alternating armature reaction magnetic field on the high-temperature superconductive exciting coils, can be prevented, the high-temperature superconductive exciting coils are effectively protected, and reliability of motor operation is improved.

An electric vehicle comprises a body (1-1), an electric driving device (1-2), a storage battery (1-3) and a control system (1-4), wherein the said body is provided with a wind electric power generation device (1-5), several solar panels (1-8) are provided on the top (1-6) of the body and the hood (1-7), the said solar panel (1-8) is electrically connected to the storage battery

The invention relates to a slag-containing smelting process of silicon-manganese alloy, nickel-iron alloy and other alloys by a submerged-arc furnace, comprising the steps of sintering, charging, smelting, midway deslagging, recharging, smelting, discharging and casting. The midway deslagging procedure just removes slag without discharging iron and is determined by the power load of the smelting. The slag is not fully removed during the procedures of the midway deslagging and discharging, 5%-10% of the slag remains in the submerged-arc furnace. Molten iron is not completely discharged during the discharging procedure, 5%-10% of the molten iron remains in the submerged-arc furnace. The process adopts the iron-remaining operation to keep the heat which is formerly carried away by iron tapping in the furnace and reduces heat output; therefore, the power consumption is reduced. Simultaneously, compared with the original process, the power load for the primary smelting stage is increased, the alloy percent reduction is increased a little, the speed of the smelting high-temperature reduction reaction is accelerated, and the production operation efficiency of the submerged-arc furnace is raised. The process is basically identical with the conventional process in term of the specific operation links, and the smelting process is easily controlled.

The invention discloses a novel turboprop-high temperature fuel cell hybrid propulsion and energy integration system for an aircraft, and belongs to the aircraft propulsion and energy field. The integration system of the present invention comprises a supply system, a partial oxidation reformer, a metal supported solid oxide fuel cell system and an aircraft propulsion system. The aircraft propulsion system comprises a paddle fan, a high pressure compressor, a low pressure compressor, a combustion chamber, a high pressure turbine, a low pressure turbine and a power turbine. The supply system includes a fuel delivery passage, an air delivery passage, a fuel gas delivery passage, a reflux delivery passage, and a fuel delivery pump. The present invention solves the problems of high fuel consumption rate in traditional aeroengines, low efficiency of engine driven power generation and poor stability of variable working condition in turbine engines. The integration system of the invention is suitable for use in an aircraft.

The invention discloses a distributed photovoltaic interactive terminal and method. The distributed photovoltaic interactive terminal comprises a master control unit and also comprises a communication unit, a human-computer interaction unit and a storage unit connected to the master control unit. The communication unit is used for collecting the electricity use information of a distributed photovoltaic power station and the interaction intention of the distributed photovoltaic power station and sending the electricity use information and the interaction intention to a dispatching center and also is used for receiving the interaction time period, the interaction amount Cset and the electricity price in interaction issued by a master station server. The human-computer interaction unit is used for displaying the interaction time period, the interaction amount Cset, the electricity price in interaction and the electricity use information of the distributed photovoltaic power station issued by the master station server of the dispatching center. The master control unit is used for calculation the interaction amount into which the distributed photovoltaic power station can participate according to the interaction time period and the interaction amount Cset. The storage unit is used for storing the data information generated in the interaction process. According to the distributed photovoltaic interactive terminal and method, the two-way communication requirement of the distributed photovoltaic power station and the master station server can be satisfied, and the distributed photovoltaic interactive terminal and the method can be used for realizing the interaction based on the time-sharing electricity price and the subsidy incentive between a distribution network and the distributed photovoltaic power station.

The invention discloses a system for efficiently recovering industrial low-temperature waste heat and flexibly regulating the peak for new energy. According to the system, low-temperature steam heat is recovered through the steam compression technology, the working capacity and entropy of steam are improved through steam compression, the pressure of the steam is improved, high-temperature heat can be released and utilized, and high-temperature hot coal is provided. A steam compressor is driven by steam and a synchronous motor, when a power grid needs to carry out new energy consumption and peak regulation, the steam load can be reduced, the power load of the synchronous motor can be increased, new energy power can be absorbed, new energy peak regulation service can be provided for the power grid, and meanwhile, zero-carbon recovery of a low-temperature heat source can be achieved; the system is mainly used for efficiently recovering low-temperature flue gas waste heat, energy is converted into heat energy of heat supply network water to the maximum extent, and due to the fact that latent heat of vaporization of flue gas water vapor is absorbed, the boiler efficiency calculated according to the low-level calorific value can be improved to 100%.

The invention provides a method for enhancing power generation efficiency and separating gas. The method comprises a power generator set and a gas separator set. At least one power generator set is in a non-economic load operation state, or needs to be changed in the operation state according to power grid scheduling, or in the state of combination of the two states. A gas separator set system is provided with an information communication part which contacts a power grid or power plant scheduling. The gas separator set at least receives the scheduling of a power plant or the power grid or the combination of the two. The scheduling comprises information and commands. At least one power generator set, which does not operate in accordance with the power grid scheduling, surpasses the quantity of generated electric energy permitted by the power grip scheduling and is used for operation of corresponding number of non-power generator set auxiliary type gas separator sets so that power grid loads are balanced. Meanwhile, a physical separating method is adopted to separate gas. According to a gas generating system using the aforementioned method, at least one gas separator set adjusting the power grid electric loads is provided with the information communication part.

The invention discloses a primary permanent magnet type magnetic field modulating linear motor. The motor comprises two primary structures and a secondary structure formed by a magnetic regulating block. According to an upper primary structure, armature slots and armature teeth are alternately distributed, according to a lower primary structure, horizontal direction excitation permanent magnets are uniformly distributed, the magnetization direction is the horizontal direction, and N poles and S poles are alternately arranged. A lower primary part is provided with auxiliary core structures, auxiliary teeth are evenly distributed on the structures and are connected by auxiliary yokes, the auxiliary structures are directly connected to silicon steel sheets between permanent magnets, the difficulty of motor processing can be effectively reduced, at the same time, the auxiliary teeth of the lower primary part can guide leakage flux to form an effective magnetic circuit, the secondary structure and the auxiliary teeth jointly modulate the magnetic field of the motor to realize a synergistic modulation effect, the magnetic field modulation efficiency and torque performance of the motor are effectively improved, and the motor has a great application prospect.

The invention provides a high-power-density motor, which comprises a stator assembly and an outer rotor, wherein the stator assembly comprises a stator iron core, an insulation framework, a stator winding, a stator bushing, an end collector ring and an end insulating plate. The stator bushing is provided with an axial inner hole for installing and connecting a motor rotating shaft, the stator ironcore and the end insulating plate are respectively provided with an inner hole and respectively sleeve outside the upper and lower sections of the stator bushing. The end collector ring is arranged on the surface of the end insulating plate and has an axial clearance from the stator iron core. A binding post is arranged on one surface, away from the stator iron core, of the end collector ring. Aheat conductor formed by pouring high heat conduction materials is arranged outside a stator slot enameled wire and a slot insulation component, the axial clearance space between the end insulating plate and the stator iron core and the outer surface of the assembled stator iron core, an insulating framework, the stator winding, the end collector ring and the enameled wire, and the binding post extends out of the surface of the heat conductor. According to the invention, the heat dissipation capacity of the motor and the output torque capacity of the motor at a certain rotating speed are improved.

The invention provides an independent winding and continuous pole-equipped permanent magnet motor, belongs to the technical field of a motor, and aims to solve the problems of high usage amount of permanent magnets and low torque density of the current low-speed permanent magnet motor. The permanent magnet motor comprises a stator assembly, a rotor assembly and air gaps; the stator assembly comprises an armature iron core, armature windings and permanent magnets; the armature iron core comprises big teeth, small teeth and a yoke structure; the big teeth and the yoke structure form big grooves; the armature windings are arranged in the corresponding grooves; the permanent magnets and the small teeth are alternately arranged in the opening positions of the big grooves; all the permanent magnets have the same magnetizing direction; the arc length of each small tooth and each permanent magnet is <tau> (<tau> is polar distance); the rotor assembly comprises rotor magnetic conducting iron cores and non-magnetic-conducting gaps; and the total arc length of the single rotor magnetic conducting iron core and the gap is 2<tau>. The motor adopts a multi-pole and less-groove structure, and the rotor is simple in structure; compared with the conventional N-S permanent magnet magnetic pole structure, the usage amount of the permanent magnets is greatly reduced; and the output torque is ensured while the motor cost can be highly lowered.

Disclosed is a novel static sealed high-temperature superconductive excitation magnetic flux switching motor. The novel static sealed high-temperature superconductive excitation magnetic flux switching motor comprises a stator and rotors from outside to inside, wherein the inner side of the stator is uniformly and alternately wound with stator teeth and stator non-ferromagnetic supporting parts in the circumferential direction; the stator teeth and the stator non-ferromagnetic supporting parts are radially arranged in pairs; the stator teeth are wound with armature windings; the stator non-ferromagnetic supporting parts are wound with high-temperature superconductive excitation windings; and the rotors are separated through rotor non-ferromagnetic supporting parts to form segmented rotor iron cores which are uniformly and alternately wound in the circumferential direction. According to the novel static sealed high-temperature superconductive excitation magnetic flux switching motor, the non-ferromagnetic material is adopted to fix the high-temperature superconductive excitation windings, so that the area of armature winding slots is enlarged, the electric load of the motor is increased, and the motor power density is improved; meanwhile, the rotor side also adopts the non-ferromagnetic material to support the segmented rotor structure, so that a large amount of ferromagnetic material is saved, and the weight of the motor is lowered; and in addition, the dosage of the ferromagnetic material is reduced, so that the iron consumption of the motor is greatly lowered and the motor efficiency is effectively improved.

The invention relates to a voltage regulation system and method of a power distribution transformer based on response to demand, and belongs to the technical field of intelligent power distribution. A voltage set reference value of the voltage-regulating power distribution transformer is adjusted according to load periods of power utilization; in the peak period of power utilization, the voltage set reference value is reduced, namely the power supply voltage at the low voltage side is reduced in the peak period to reduce the power load; and in the valley period of power utilization, the voltage set reference value is increased, namely, the power supply voltage at the low voltage side is improved in the peak period to increase the power load. According to the system and method, demand is responded actively, the power load can be actively reduced in the peak period, and increased in the valley period, and thus, active response to demand in public mechanism, commercial building, industrial enterprise and residential districts is realized.

The invention provides a three-dimensional magnetic flux permanent magnet linear motor of a multi-air-gap independent winding structure and belongs to the technical field of motors. The three-dimensional magnetic flux permanent magnet linear motor comprises a primary assembly, a secondary assembly and multiple air gaps. The primary assembly comprises n primary units and armature windings, and the primary units are arranged perpendicular to the horizontal direction. An array composed of 2m+1 permanent magnets arrayed in a polarity staggering mode is arranged on each primary unit, the width of each permanent magnet is T / 2 (T is polar distance), and two rectangular grooves are formed by annular magnetic permeability iron cores arranged at the two ends of each permanent magnet and the permanent magnet, and the armature windings are arranged in two grooves in the vertical direction and are the same in phase. The secondary assembly is composed of n-1 secondary units, wherein the secondary units and the primary units are arrayed perpendicular to the horizontal direction in a staggered mode, and non-magnetic-permeability grooves or magnetism isolation bridges are arranged periodically arranged on secondary unit iron cores. The non-magnetic-permeability grooves of the adjacent secondary units are staggered by T / 2 distance in the horizontal direction. The motor is provided with 2n-2 air gaps. A three-dimensional magnetic circuit is adopted for the motor, high electromagnetic loads can be effectively achieved, and the motor has the advantages of being high in thrust density and reliability.