225results about "Transformer transport arrangements" patented technology

In an inductance component, a stress is not locally applied even in the condition where heat is applied to entire component, such as when implementing soldering, so that high reliability is realized. For realizing this, the component includes element (5), coil (6) formed in element (5), terminals (7, 8) electrically connected to coil (6), and magnetic layers (9A, 9B) arranged so as to be substantially parallel to a winding surface of coil (6) are formed in element (5) and entire magnetic layers (9A, 9B) is covered with a material of which thermal expansion and contraction rates are constant.

The present invention relates to an apparatus and method for improving the transportation and installation of portable step-up power transformers for a power generating station due to failure or unavailability of installed step up transformers. A large MVA portable transformer may be used to alleviate or minimize these issues by being purpose built for transportability and commissioning speed. The portable transformer is transportable by road or lighter rail. Its size and weight are arranged to overcome restrictions such was weight limits, bridge constraints, and power line constraints. This device may also provide for rapid commissioning and decommissioning. This transformer may be a set of three single-phase units of sufficient size to be used as a generator step up transformer in three-phase operation.

The invention discloses a transformer. The transformer comprises a transformer cabinet, a buffering device is arranged at the bottom of the transformer cabinet, and is fixed on a pair of metal slidingrails; the buffering device comprises a steel-frame structure and an air sac with which the steel-frame structure is wrapped; a plurality of parallel strip-type installing grooves are formed in the steel-frame structure, strip-type dry ice is arranged in the installing grooves, and the bottoms of the installing grooves are communicated with the air sac through through holes; a plurality of firstsprings are arranged at the top of a steel frame, one ends of the first springs are connected with the top of the steel frame, and the other ends of the first springs are in contact with the bottom ofthe transformer cabinet; a pair of long-strip metal sheets are fixed to the bottom of the air sac, and are located over a pair of the metal sliding rails respectively; second springs are also arranged at the bottom of the steel frame, one ends of the second springs are connected with the bottom of the steel frame, and the other ends of the second springs are fixedly connected with the metal sheets. The transformer is simple in structure and good in damping effect, and the difficulty and the accuracy of carrying are reduced.

An air core, dry type, power reactor (10) of the type having multiple concentrically positioned winding layers (12) extending along a central axis and above arms (24) of a first spider unit (16) when the reactor is horizontally positioned with respect to a horizontal ground plane, the winding layers (12) arranged in spaced-apart relation providing air gaps (20) between the winding layers allowing air to flow along the winding layers. A deflector (40) is positioned between the winding layers (12) and the ground plane to receive air from wind blowing toward the reactor (10) and guide the air in an upward direction from the deflector (40) and along the gaps (20).

A foldable transformer includes an enclosure (10), a plug assembly (12), and a locating assembly (14). The enclosure has a storage cavity (16) at a top end thereof. A window (20) is defined in the enclosure in communication with a bottom portion of the storage cavity, for receiving the plug assembly therethrough. The plug assembly includes a pair of inserting pins (34), a rotatable rod (36) having an arched profile, a pair of metal ears (38), and a pair spring pins (44). Each inserting pin is made of conductive material, is insert-molded in the rod, and electrically connects with a corresponding ear. The locating assembly includes a pair of slots (48) for receiving the spring pins, and a cam (56) for resiliently engaging with the plug assembly so that the plug assembly can be disengagably fixed in a folded position or an unfolded position.

The invention discloses an oil-immersed transformer with high shock damping performance. The oil-immersed transformer has the advantages that the structure is reasonable and simple, the production cost is low, the installation is convenient, the functions are comprehensive, the shock damping effect can be effectively achieved on the oil-immersed transformer to avoid damage in the moving process. Alower vertical plate is clamped by a rotary handle and a clamping plate, the lower vertical plate fixes the oil-immersed transformer to avoid slipping, a fifth spring is arranged on the oil-immersedtransformer to improve buffer performance, a plurality of springs are arranged between an upper sliding plate and a lower sliding plate, and the buffer performance is greatly improved; in addition, anelastic arc plate is further arranged, when the oil-immersed transformer is subject to the buffer force, the elastic arc plate moves downward, a first spring is subject to the acting force, the shockdamping is achieved, and the shock damping is effectively achieved through the above method.

A transport housing for a coil or a coil block, having an upper and a lower pressing plate, wherein the coil or the coil block is arranged between the two pressing plates and the latter can be braced against each other by a plurality of tension rods in the manner of an axial tension configuration. A frame enclosing the coil or the coil block to which a membrane, movable both toward the inner chamber of the transport housing and toward the outside, is fastened and having an outer housing which provides mechanical protection for the membrane and enables unhindered or allows movement of the membrane to the outside.

A method and arrangement for pressing of windings assembled onto a transformer. The method includes applying pressing force on the windings, and controlling the pressing force on the windings during drying of transformer active part. Thus, before the drying process commences, the windings are assembled onto the transformer core and a pressing force is applied to the windings assembled onto a respective transformer core limb, wherein an individual pressing force is applied to the respective winding. This individual pressing force applied to the respective winding is then controlled during the process of drying the transformer active part. The windings will as a result advantageously be effectively compressed onto the core and stabilized.

The invention relates to the field of power equipment. More particularly, the invention relates to an anti-collision transformer with high safety. The transformer comprises a base, supporting legs, amounting plate and a transformer body, wherein the supporting legs are fixedly connected to the two ends of the base correspondingly, a first sleeve is fixedly connected to the middle of the upper surface of the base, a first guide rod is mounted in the first sleeve, the upper end of the first guide rod is fixedly connected with the mounting plate, the upper surface of the mounting plate is fixedly connected with the transformer body, movable plates are respectively arranged on the left and right sides of the mounting plate, the side wall of the movable plate is fixedly connected with a mounting block, connecting rods are hinged to the upper surfaces of the mounting blocks, a buffer plate is further mounted on the upper surface of the base, guiding mechanisms are installed on the left sideand the right side of the transformer body respectively, and a buffering effect can be achieved through a buffering plate and a buffering spring. Meanwhile, under the effect of impact force, the movable plates move towards the inner side, the height of the transformer body is increased, kinetic energy is converted into gravitational potential energy, impact energy is further consumed, and thus the transformer body is protected.

The invention discloses a removable transformer support with a heat dissipating function. The removable transformer support comprises fixed seats, wherein the fixed seats comprise a first fixed seat and a second fixed seat; a supporting plate is arranged between the first fixed seat and the second fixed seat; a supporting seat is arranged at the upper part of the supporting plate; protruding connecting pieces are arranged on two sides of the supporting seat; the protruding connecting pieces comprise a first protruding connecting piece and a second protruding connecting piece; a heat dissipating device is arranged between the first protruding connecting piece and the second protruding connecting piece; an electric telescopic rod is arranged at the upper part of each protruding connecting piece. The removable transformer support is provided with a moving device, the position of a transformer can be moved according to requirements, the movement is convenient and high in efficiency, and the transformer support is quick, simple and convenient to install, stable and firm in structure, time-saving and labor-saving, so that effective cooling for a transformer body can be realized.

Provided is a U-shaped iron core transfer/assembling method, by which a first leg iron core, a second-leg iron core and a lower-yoke iron core are housed in a first leg iron core tank, a second leg iron core tank and a lower-yoke iron core tank, respectively, and those iron cores are individually transported in sideways attitude. Next, the lower-yoke iron core is transferred into a lower-yoke iron core assembling tank. While the first leg iron core, the second leg iron core and the lower-yoke iron core being kept in the tilted postures, the first leg iron core tank, the second leg iron core tank and the lower-yoke iron core assembling tank are individually opened at their openings and are jointed to each other.

The invention relates to a carrying-transformer device, in particular to the carrying-transformer device for a substation. The technical problem to be solved is how to provide the carrying-transformer device for the substation, which can reduce the labor intensity of workers to improve the carrying speed and render operations simple and use convenient. According to the technical scheme to solve the above technical problems, the carrying-transformer device for the substation comprises a mounting plate, a pull wire, a pull ring, a push rod, an arc fixing rod, a shock-absorbing device and the like. The mounting plate is provided with a through hole which is internally provided with the pull wire. The top end of the pull wire passes through the right top of the mounting plate and is connected with the pull ring through a hook, and the tail end of the pull wire passes through the left bottom of the mounting plate. The shock-absorbing device of the carrying-transformer device can play a shock absorption effect on the transformer in the moving process, therefore the carrying-transformer device has the advantages of reducing the labor intensity of workers, improving the carrying efficiency, and being simple in operation and convenient to use.

The invention discloses a transformer insulation case with a dampproof function. The transformer insulation case comprises a base plate. A rubber case is fixedly connected to the top of the base plate; the internal surface of the rubber case is fixedly connected with a first case body; a circular pipe is fixedly connected to the internal surface of the first case body via a supporting rack; and athrough hole is formed in the surface of the circular pipe. The invention relates to the technical field of transformer damproof insulation cases. With the rubber case fixedly connected to the top ofthe base plate, air humidity of the interior of the insulation case can be maintained all the time and the air is at a dry state all the way; damage of the internal transformer due to excessive high temperature can be prevented, so certain temperature is remained for the interior of the insulation case; frequent exchange of the transformers can be avoided; the transformer is only exchanged when the service life is expired; therefore, use cost of the transformer can be reduced; and a problem of internal air humidity maintenance failure of transformer insulation cases in the prior art can be overcome.

The invention discloses a movably mounted efficient damping type transformer. The movably mounted efficient damping type transformer comprises a base; wheel frames are uniformly arranged on four corners of the lower surface of the base respectively; the lower surfaces of the wheel frames are rotationally connected with rolling wheels; a shell is arranged on the upper surface of the base; heat dissipation sheets are uniformly arranged on the two outer side surfaces of the shell; fixed blocks are arranged on the internal upper surface and lower surface of the shell respectively; a groove is formed in the side surface of each fixed block; the inner side surface of each groove is connected with one end of a T-shaped block through a spring; and the T-shaped block is glidingly connected in the groove, and the other end of the T-shaped block is connected with a mounting plate. By virtue of the movably mounted efficient damping type transformer, the damping effect is improved, the transformermain body can be well protected, the heat dissipation performance is improved, and the service life of the equipment is prolonged; by virtue of the fixed blocks, the springs and the T-shaped blocks, the damping effect can be improved for protecting the transformer main body; and damping cushions are arranged on the side surface of the mounting plate and the circumference side of the transformer main body, so that the damping effect can be further improved.

A portable generator system is used to provide temporary electrical power. The portable generator system has a vehicle, a generator, a step-up system, and a output interface. The step up system has one or more transformers for stepping up a voltage of the generator to a distribution voltage.