53 results about "Energy efficient transformer" patented technology

The invention provides an energy-saving transformer with a self-adaptation function. The energy-saving transformer comprises a three-dimensional rolled iron core. The three-dimensional rolled iron core is of a three-dimensional structure with a right triangular cross section formed by combining three single-frame iron cores; the single-frame iron cores are formed by continuously rolling an amorphous alloy magnetic permeability material in a seamless manner; a low-voltage winding and a high-voltage winding are wound on the three-dimensional rolled iron core; taps of the low-voltage winding and the high-voltage winding are respectively connected with a loaded capability regulation switch; wire turns of the low-voltage winding are connected in parallel or in series; the high-voltage winding is in triangular connection or a star-like connection; and the loaded capability regulation switch is controlled by a loaded capability regulation controller. According to the energy-saving transformer provided by the invention, the amorphous alloy energy-saving material, the single-frame iron core seamless winding technology, the energy-saving structure of the three-dimensional rolled iron core, and various automatic size and capability adjusting energy-saving technologies are organically combined to realize the zero-load consumption of the transformer to the greatest extent, so that the construction investment of a power grid and the consumption of the raw materials in an equipment manufacturing process can be reduced; and the operation security, the power supply quality and the power supply reliability of the power grid can be improved.

The invention discloses an energy-saving transformer with a high-stability wall-mounted assembly, and belongs to the technical field of transformers. The energy-saving transformer comprises a transformer body, heat dissipation mechanisms are arranged on the upper and lower side surfaces of the transformer body, and driving mechanisms are arranged on the left and right side surfaces of the transformer body; and the upper end and the lower end of the driving mechanism are fixedly connected with the opposite faces of the two heat dissipation mechanisms correspondingly. According to the transformer, by arranging the heat dissipation mechanisms, when a pressing plate moves to be close to the transformer body, air bags can be extruded, air in the air bags can be sprayed out through a plurality of nozzles, the nozzles blow cold air into the transformer body, and the air bags on the upper side and the lower side can spray air at the same time; and at the moment, air blown into the transformer body can form convection, heat is adsorbed and extruded mutually, finally, hot air is evenly sprayed out through a plurality of heat dissipation holes in the left side and the right side of the transformer body, and the heat dissipation effect on the interior of the transformer body is achieved.

The invention provides a single-box intelligent energy-saving transformer, comprising a box body and a transformer body. A heat dissipation window is arranged on the side of the box body, the transformer body is arranged in the box body, a heat exhaust fan is arranged above the transformer body, a heat insulation interlayer is arranged above the heat exhaust fan, and two sets of iron cores are arranged inside the transformer body. A relay is arranged above the iron core; one side of the transformer body is provided with a safety air passage, one end of the safety air passage is welded to an oil storage tank, two sides of the top end of the transformer body are provided with high-voltage bushings, and the inner sides of the high-voltage bushings are provided with low-voltage bushings; a temperature sensor and a humidity sensor are also arranged inside that transformer body; a dehumidifying device is arranged below the oil storage tank, and the dehumidifying device is connected with thehumidity sensor; the box body is also provided with a processing device, and the processing device is connected with the temperature sensor. The transformer of the invention has good energy saving effect and high intelligence level.

The invention discloses a loss reduction quantitative empirical method for an energy-saving transformer based on electricity quantity loss amortized computation and belongs to the field of power distribution network low-carbon power research. The loss reduction quantitative empirical method includes the following steps of 1, measuring of network electricity quantity losses; 2, collection of measuring point loads of the head segment of a circuit; 3, demonstration of the loss-reduction effect. The electricity quantity loss value is converted to the same benchmark, quantitative comparison of energy-saving electricity quantity is achieved, real energy-saving electricity quantity obtained after the energy-saving transformer is mounted can be obtained, the loss-reduction effect of the energy-saving transformer is quantified, it is beneficial to popularization of the energy-saving technology, and a theoretical basis is provided for energy conservation and emission reduction work of the nation.

The invention discloses a multifunctional integrated photovoltaic box type transformer substation. The photovoltaic box type transformer substation comprises a high-voltage chamber and a low-voltage chamber, wherein a photovoltaic transformer is arranged between the high-voltage chamber and the low-voltage chamber; a control chamber is arranged on the other side of the low-voltage chamber; the high-voltage chamber, the photovoltaic transformer, the low-voltage chamber and the control chamber are all assembled on a steel structural base; extension mounting plates are mounted on the two sides of the box body of the photovoltaic transformer respectively while radiators are arranged on the other two sides; a fuse is arranged on a dividing box arranged on the left side of the box body; an oil temperature relay, a pressure control relay and a pressure alarm relay are arranged above the fuse; an integrated inverter, an energy-saving transformer, DC, AC control protection units and a comprehensive communication management module are also arranged in the box body; and a low-voltage input sleeve is arranged on the right side of the dividing box while a high-voltage output sleeve is arranged on the other side of the dividing box. The multifunctional integrated photovoltaic box type transformer substation provided by the invention is low in investment cost, short in construction period, simple to install and debug, attractive in appearance, and suitable for large-scale photovoltaic grid-connection systems in complex environments, such as deserts, intertidal zones, high-altitude regions, severe-cold areas and the like.

The invention provides a three-phase energy saving transformer with an unlaminated core and a zero-clearance magnetic circuit. The three-phase energy saving transformer is a multi-technology with improved structure and process in the field of medium and large transformer manufacturing. The zero-clearance magnetic circuit is arranged to obtain the lowest iron loss and lowest man-hour and manufacturing cost. By the technology of replacing a laminated core with a wound core, the round cross-section core and a rectangular cross-section yoke can obtain the optimal process fitting; the core laminating cost is reduced; the magnetic loss is reduced; the three-phase energy saving transformer is suitable for manufacturing of a core-type or shell-type three-phase transformer of which the power is from tens of kilowatts to hundreds of thousands of kilowatts, and is a significant innovation in the transformer structure and the process technology.

The invention discloses a method for manufacturing a multi-section cylindrical cast coil wound with a round winding wire, wherein the coil is divided into left and right halves and directly wrapped on a coil casting mold with a glass fiber gridding (4), the two sections of a tapping section are arranged in the middle part and taken as starting sections, the round winding wires (1) of the wire turns of the two starting sections are wound so that the cross section is arranged in an isosceles trapezoid form, the wire turns of the rest sections are orderly against the starting sections, a round electromagnetic wire (1) is wound continuously without being cut so that the cross section is arranged in a parallelogram form and special-shaped positioning blocks (2) are arranged between the sections of the round electromagnetic wire (1) and evenly distributed at the circumference to separate out and position the sections, and finally, an epoxy resin (3) is cast in vacuum and then pressurized. The method has the advantages that the filling rate of the arrangement of the electromagnetic wire inside the coil is increased, the operation is convenient, the electrical strength and various other technical performance indexes of a transformer are all up to relevant specifications of national standards, and as a result, a high-efficiency energy-saving transformer, which is compact in structure, small in volume, low in material consumption, low in cost and high in electrical strength, is manufactured.

The invention discloses an energy-saving transformer for a power distribution system. The transformer comprises a transformer main body, a bottom frame and a wiring block; the bottom frame is welded to the outer surface of the lower end of the transformer main body; the wiring block is fixedly mounted on the outer surface of the upper end of the transformer main body; protective surrounding rods are arranged at the front end and the rear end of the transformer main body, a protective ceiling is arranged above the transformer main body, a connecting pipe is welded to the outer surface of the front end of the transformer main body, a threaded pipe is in threaded connection with the interior of the connecting pipe, connecting bases are arranged on the two sides of the bottom frame, and a protective base is arranged at the lower end of the bottom frame. According to the transformer, the accidents caused by the fact that passersby mistakenly touch the transformer can be effectively reduced;meanwhile, the service life of the transformer can be prolonged, the damage to the transformer in the transportation process can be reduced, the protection effect of the transformer is more excellent, and the transformer can be better protected in different terrains.

The invention provides a three-layer co-extrusion cross-linked cable production line distributed on the three platforms. The production line comprises three extruders, a three-layer co-extrusion machine head, an upper traction machine, a lower traction machine, an upper sealing machine, a lower sealing machine and a pipeline. The three extruders, the three-layer co-extrusion machine head, the upper traction machine and the upper sealing machine are located on a three-layer platform. The three extruders are connected with the three-layer co-extrusion machine head. The three-layer co-extrusion machine head is located between the upper traction machine and the upper sealing machine. The lower sealing machine is connected with the upper sealing machine through the pipeline. The lower sealing machine and the lower traction machine are located on one layer of the platform. A driving device for driving the three extruders is composed of an alternating-current frequency conversion motor and a frequency converter. The charging section and the melting section of the screw rod of each of the three extruders are of a double-thread structure, respectively. A heating control device of the pipeline is composed of an energy-saving transformer and a PC program PID control module. The production line disclosed by the invention is high in automation degree, high in efficiency, remarkable in energy-saving effect and capable of saving energy by 40% compared with that of traditional equipment.

The invention discloses an overload automatic protection energy-saving transformer which comprises a transformer body and a plurality of iron cores installed in the transformer body, each iron core is connected with an electric wire, the electric wires penetrate through the transformer body, the surfaces of the electric wires are sleeved with insulating porcelain bushings used for insulation, the iron cores are used for converting voltage values, and a plurality of isolation plates for heat dissipation are mounted between the iron core and the inner wall of the transformer body; and a protection box body is fixedly installed on the upper surface of the transformer body, the protection box body is arranged on one side of each electric wire, a linkage mechanism is installed in the protection box body, and the linkage mechanism is used for guaranteeing normal operation of the energy-saving transformer. The device is simple in structure, and utilizes the characteristic that the memory metal can deform at different temperatures to cut off a circuit in the transformer in a high-temperature state, so that the transformer stops working, the safety of internal elements of the transformer is effectively protected, and the circuit is prevented from being damaged due to overload.

The invention discloses a secondary side multi-winding spliced type energy-saving transformer used in a distribution network. The secondary side multi-winding spliced type energy-saving transformer used in the distribution network comprises a transformer tank, wherein a plurality of telescopic rods are arranged at the bottom end of the inside of the transformer tank; a spring is arranged on the outside of each telescopic rod; a connecting plate is arranged at the top end of each telescopic rod; yokes are separately arranged on two sides of the top end of the connecting plate; magnetizers are separately arranged at the bottom end and the top end of each yoke; the magnetizers on the same horizontal line are connected through a transformer core; a coil is arranged on the outside of each transformer core; a high-voltage binding post is arranged in the middle of a side wall of the inside of the transformer tank; a low-voltage binding post is arranged on the top of the high-voltage binding post; a waterproof layer is arranged on the outside of the transformer tank; an exhaust opening is formed in the bottom end of one side of the transformer tank; a supporting plate is arranged on the side, which is away from the exhaust opening, of the bottom end of one side of the transformer tank; a dry powder extinguisher is arranged at the top end of the supporting plate; a spraying tube is arranged in the middle of the top end of the dry powder extinguisher; the side, which is away from the dry powder extinguisher, of the spraying tube is connected with the transformer tank; and a protective cover is arranged in the middle of the top end of the transformer tank.

The invention discloses a single box type safe and energy-saving transformer which comprises a box body and an energy-saving transformer body; the upper part of the box body is fixedly connected with a box top through a bolt, a box door is arranged under the right side of the box top, an embedded base is welded at the bottom of the box body, a heat exhaust fan is arranged above the energy-saving transformer body, a heat-insulating interlayer is arranged above the heat exhaust fan, a transformer iron core is arranged inside the energy-saving transformer body, a thermometer is arranged on the left side of a relay, a safe airway is formed in the left side of the thermometer, an oil storage tank is welded at the left end of the safe airway, a moisture absorber is arranged under the oil storage tank, a high-pressure sleeve is arranged on each of the two sides of the top end of the energy-saving transformer body, and a low-pressure sleeve is arranged on the inner side of the high-pressure sleeve. The single box type safe and energy-saving transformer disclosed by the invention has the advantages of being reasonable in structure design, safe and reliable, energy-saving and efficient, convenient to use and the like, and can be widely popularized and used.

The invention discloses an energy-saving box type transformer. The energy-saving box type transformer comprises a box body; a pre-embedded base is fixedly connected with the bottom of the box body; anenergy-saving transformer main body is fixedly connected with the bottom of an inner cavity of the box body; high-voltage electric tubes are fixedly connected with the two sides of the top of the energy-saving transformer main body; and low-voltage electric tubes are fixedly connected with the two sides of the top of the energy-saving transformer main body. By virtue of matched use of the box body, the pre-embedded base, the energy-saving transformer main body, the high-voltage electric tubes, the low-voltage electric tubes, an oil conveying pipe, a heat dissipation plate, a safe air channel,an oil storage box, an impurity removing apparatus, a repeater, a temperature sensor, a power transformation iron core, a buzzer, a top plate, a motor, a fan, a box top and a thermal insulation layer, cooling processing can be performed on the high temperature generated in operation of the transformer, so that power consumption of the transformer is lowered, electric energy is saved, waste of resource is avoided, and popularization of environment protection and energy-saving actions can be facilitated.

The invention discloses a high-efficiency and energy-saving amorphous alloy transformer employing dry-type bushings led out for completely eradicating leakage. The amorphous alloy transformer comprises a base, wherein a transformer tank is arranged on the base; an upper cover is arranged at the top part of the transformer tank; a gas cavity is formed between the upper cover and the top part of the transformer tank; a non-alloy iron core is arranged in the transformer tank; a high-voltage coil and a low-voltage coil sleeve the iron core; the high-voltage coil is connected with a high-voltage side dry-type bushing; the low-voltage coil is connected with a low-voltage side dry-type bushing; and the high-voltage coil is connected with a tapping switch through a tapping lead, so that the targets of reducing the production cost, reducing the no-load loss, reducing the energy consumption and prolonging the service lifetime are achieved.

Iron and copper losses of a shell-type transformer are reduced by a plurality of novel structure technologies; a zero-clearance magnetic circuit is arranged to obtain the lowest iron loss; a round cross-section core is combined with a rectangular cross-section magnet yoke to obtain the simplest process; silicon steel sheets with different properties are adopted by the core and the magnet yoke to obtain the optimal matching property and economic index; orthogonal laminated sheets are adopted by the core and the magnet yoke to obtain the optimal magnetic flow distribution; and the lowest copper loss and copper material cost are obtained by a round cross-section winding. The energy consumption of the transformer is reduced; the single-phase shell-type energy saving transformer also has a novel structure of a self-sealing transformer, is suitable for the single-phase shell-type transformer with a power from watts to tens of millions of watts, and is a significant innovation in the transformer structure and the manufacturing technology.

A special oil-immersed energy-saving transformer for a three-phase oil field comprises an oil tank. Cooling fins are arranged on the two sides of the oil tank respectively, a high-voltage sleeve is arranged on the upper surface of the oil tank, and a medium-voltage sleeve and a low-voltage sleeve are sequentially arranged on the upper surface of the oil tank and located on one side of the high-voltage sleeve. An oil level gauge is arranged on one side of the low-voltage sleeve and located on the upper surface of the oil tank. A transformer iron core is arranged in the middle of the interior of the oil tank, and a lower insulating plate is arranged between the lower surface of the transformer iron core and the bottom surface of the interior of the oil tank; and the upper surface of the lower insulating plate and the periphery of the transformer iron core are wrapped with an insulator, and the periphery of the insulator is provided with a low-voltage coil. A traditional conventional transformer and a single-phase oil field special transformer are combined into a whole, the problems that when a single-phase transformer is loaded, a high-voltage current is unbalanced, the utilization rate of a preceding-stage transformer is low, and the occupied area is large are solved, and the equipment investment and the transformer operation cost are reduced.

The invention relates to the technical field of transformers, and discloses an amorphous alloy iron core superconducting energy-saving transformer which comprises an iron core, a primary winding, a secondary winding and a glass fiber reinforced plastic container, the iron core is located in the glass fiber reinforced plastic container, the primary winding is connected with an alternating current power supply through a lead, and the secondary winding is connected with a load through a lead. The glass fiber reinforced plastic container is filled with liquid nitrogen and comprises a vacuum heat preservation layer. The amorphous alloy iron core superconducting energy-saving transformer solves the problem that an existing transformer is low in energy utilization rate.

The invention discloses an energy-saving transformer with a high insulation heat-resistant grade and high overload. The energy-saving transformer comprises an energy-saving transformer shell, a shielding structure, a high heat dissipation structure, a transformer insulation assembly structure and a wiring harness protection connection structure, and a pouring base is fixed to the bottom end of theenergy-saving transformer shell. A sealing cover plate is arranged on the front end face of the energy-saving transformer shell, the transformer insulation assembly structure is arranged at the rearend of the energy-saving transformer body, the high heat dissipation structures are installed on the inner end faces of the left side and the right side of the energy-saving transformer shell, and thewiring harness protection connection structure is arranged on the rear end face of the energy-saving transformer shell. By arranging the shielding structure, the sun-shading and rain-proof effects can be achieved on the whole device at the top end of the device, solar energy can be absorbed through the arranged solar cell panel and converted into electric energy to be used, and therefore electricpower used in the device can be independent, and the situation that the electric power used by the device is affected by the quality of a transformer is avoided.

The invention discloses a dual-seal chamber liquid state waterproof buried type energy saving transformer comprising a fuel tank, a transformer core and a cover plate; the fuel tank is filled with transformer oil; the transformer core is immersed in the fuel tank; the top of the fuel tank is connected with the cover plate through fastening bolts; the transformer also comprises a high voltage side sealing chamber, a low voltage side sealing chamber, a high voltage cable insulation sealing device, and a low voltage cable insulation sealing device; the high voltage side sealing chamber and the lower voltage side sealing chamber are arranged on the cover plate, respectively sealed with the surface of the cover plate, and fully filled with high density waterproof insulation molecules. The dual-seal chamber liquid state waterproof buried type energy saving transformer is simple and compact in structure, low in production cost, employs dual-sealing chamber for sealing, and the high-low voltage side sealing chambers and high-low voltage cable insulation sealing devices can commonly seal the low voltage cables; the transformer is dustproof, machinery outer force resistant, animal destroy resistant, so the whole product can be fully covered by metal, thus better ensuring the product to safely operate in water.

The invention relates to a long-kidney-shaped energy-saving transformer arranged in a power distribution cabinet. The long-kidney-shaped energy-saving transformer comprises an iron core and a winding surrounding the iron core, wherein a section of the winding is a rectangle surrounding the iron core, the rectangle comprises four edges, and two adjacent edges are connected through a section of circular arc, so that the section of the winding is long-kidney-shaped. According to the long-kidney-shaped energy-saving transformer, the section of the winding of the transformer is changed to be long-kidney-shaped, so that compared with original windings with rectangular sections or circular sections, the circumference of the winding is smaller, accordingly, the raw materials for manufacturing can be reduced under the condition that original magnetic flux is not changed, and the size of the transformer is reduced.

The invention discloses a preparing method of a high-electric-conductivity silver-free copper alloy. The method comprises following steps: S1, copper is smelted in a vacuum smelting furnace, and argon is inflated; S2, under the copper melting state at the temperature of 1150 DEG C to 1200 DEG C, 0.5% to 1% of manganese is added, 0.01% to 0.05% of cerium and lanthanum of the rare earth elements are added, and 0.002% to 0.005% of lithium is added; the method has the beneficial effects that the silver-free copper alloy prepared through the method is low in electric resistance, high in electric conductivity and capable of achieving and being close to the conducting performance of silver; energy is saved, meanwhile, the alloy can become a new function material which is essential in the field of electrical conductor grade copper and the future equipment manufacturing industry ; the alloy can replace silver to be used in part of fields such as aerospace, aviation, navigation, submarines and ship manufacturing, military equipment lightweight and the like, high-end electricians, high-end electronic appliances, energy-economic transformers, motors, wind energy, solar energy, electric locomotives and new energy electric automobiles; or the alloy can be widely applied in the superconducting field and the like.

The invention discloses a host structure of an energy-saving transformer with a medium-pressure tap. The host structure comprises a computer host body, a dustproof board and a host shifting device, wherein the dustproof board is arranged at the top end of the computer host body; a dustproof board handle is arranged at one side of the dustproof board; a power switch is arranged at one side of the computer host body; an audio interface is arranged at one side of the power switch; a USB interface is arranged at one side of the audio structure; the host shifting device is arranged at the bottom end of the computer host body; a shifting device control rotation button is arranged at the bottom end of one side of the computer host body; a metal board is arranged at one side of the computer host body; a computer mainboard is fixed at the inner side of the metal board; and a heat conducting silica gel layer is filled between the metal board and the computer mainboard to ensure that the host structure of the energy-saving transformer with the medium-pressure tap is more firm, the interior part and the top board of the host are cleaner, the shifting and fixing of users are facilitated, the using of the users is facilitated and the cost of the computer host is reduced.