CN204991378U - Three -phase AC filter reactor - Google Patents
Three -phase AC filter reactor Download PDFInfo
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- CN204991378U CN204991378U CN201520636157.3U CN201520636157U CN204991378U CN 204991378 U CN204991378 U CN 204991378U CN 201520636157 U CN201520636157 U CN 201520636157U CN 204991378 U CN204991378 U CN 204991378U
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- silicon steel
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- iron yoke
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- file leader
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Abstract
The utility model relates to a three -phase AC filter reactor, including silicon steel iron core, coil, indisputable yoke and copper bar head, the silicon steel iron core with transition fit's mode with the shaft fit in in the centre bore of coil, clearance between coil and the silicon steel iron core is passed through vacuum infiltration lacquer layer and is filled, the both ends of silicon steel iron core respectively are equipped with an indisputable yoke, still connect through the double threaded screw between the two indisputable yokes, it is used for external copper bar head still to be equipped with on the silicon steel iron core that has the coil, iron be equipped with on the yoke with the outside file leader that the silicon steel iron core switched on, every tip of every silicon steel iron core all corresponds an outside file leader, outside file leader with be equipped with spring and gasket between the iron yoke, the both ends of iron yoke still are equipped with the board that colludes of being convenient for to fix.
Description
Technical field
The utility model relates to reactor arrangement preparation field, particularly a kind of three-phase alternating current filter reactor.
Background technology
Filter reactor is widely used in high-low pressure filter cabinet, is in series with filtering capacitor, is tuned to a certain resonance frequency, is used for absorbing the harmonic current of corresponding frequencies in electrical network.After filter reactor and capacitor are in series, not only effectively can absorb mains by harmonics, and improve the power factor of system, the safe operation for system serves larger effect.Filter reactor is connected with Shunt Capacitor Unit and is used, and composition series resonant tank, filtering is except the high order harmonic component of specifying.Be widely used in Harmonic Conditions and send out the complicated industry such as electric power, automobile, shipbuilding, metallurgy, chemical industry, machine-building, papermaking, coal, communication, airport, plating.
Such as Chinese utility model patent " a kind of filter reactor ", application number is 201220092540.3, the iron core that the filter reactor provided comprises hollow structure and the coil be set on described iron core, wherein, when the operating current of described filter reactor is no more than the rated current of described filter reactor, the inductance value of the filter reactor of work at present is the inductance ratings value of described filter reactor, and when the operating current of described filter reactor exceedes the rated current of described filter reactor and increases gradually, the inductance value of the filter reactor of work at present reduces gradually and approaches to the preset range of the half of described inductance ratings value.This filter reactor can meet service requirement, can either overcome the interference to surrounding, has again lightweight, that cost is low feature.But this structure has the problem that connectivity lacks when reality uses.The first, its tension also exists gap, can affect overall structure; Secondly, its fixed structure is bad, not easily fixes being connected in use procedure; Again, the flexibility of its file leader is inadequate, easily ruptures or depart from after receiving external force impact.
Utility model content
The technical problem that the utility model mainly solves is to provide a kind of three-phase alternating current filter reactor, and it is reasonable in design, and structure is simple, solves and is difficult to fix, very flexible, and the easy impaired problem of file leader.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is to provide a kind of three-phase alternating current filter reactor, comprises silicon steel core, coil, iron yoke and copper bar head; Described silicon steel core with the mode coaxial cooperation of interference fits in the centre bore of described coil; Gap between described coil and silicon steel core is filled by Vaccum Permeating enamelled coating; The two ends of described silicon steel core are respectively provided with one piece of iron yoke; Also connected by double threaded screw between two iron yokes; The described silicon steel core being wound with coil is also provided with for external copper bar head; Described iron yoke is provided with the outside file leader with described silicon steel core conducting; The all corresponding outside file leader in each end of every root silicon steel core; Spring and pad is provided with between described outside file leader and described iron yoke; The two ends of described iron yoke are also provided with the hook plate being convenient to fix.
Preferably, described silicon steel core is provided with three; Three silicon steel cores are parallel to each other and interval is equal; Described double threaded screw is provided with two; Two double threaded screws lay respectively at the both sides of silicon steel core and symmetrical.
Preferably, described hook plate is positioned at the upper surface of described iron yoke; Described iron yoke is also provided with fixing through hole and described through hole is positioned on the vertical end face of iron yoke.
Preferably, the spacing between adjacent external file leader is equal; Described iron yoke, outside file leader are non-magnetic metal material and are prepared from.
The beneficial effects of the utility model are: provide a kind of three-phase alternating current filter reactor, are widely used in, in the four-quadrant feedback fil-ter of four-quadrant frequency converter input, being in series with frequency converter end of incoming cables.Its tightening structure is good, can effectively reduce the gap between each parts of reactor; Secondly, its stabilizing power is good, is easily connected and fixed; Finally, the file leader in its external world can not cause because being subject to unexpected external force and depart from or damage, and improves the useful life of reactor.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of three-phase alternating current filter reactor of the utility model;
Fig. 2 is the end view of three-phase alternating current filter reactor;
In accompanying drawing, the mark of each parts is as follows: 1, silicon steel core; 2, coil; 3, iron yoke; 4, copper bar head; 5, double threaded screw; 6, outside file leader; 7, spring; 8, plate is hooked.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, to make advantage of the present utility model and feature can be easier to be readily appreciated by one skilled in the art, thus more explicit defining is made to protection range of the present utility model.
Refer to attached Fig. 1 and 2, the utility model embodiment comprises:
A kind of three-phase alternating current filter reactor, comprises silicon steel core 1, coil 2, iron yoke 3 and copper bar head 4; Described silicon steel core 1 is provided with three; Three silicon steel cores 1 are parallel to each other and interval is equal.Described silicon steel core 1 with the mode coaxial cooperation of interference fits in the centre bore of described coil 2; Gap between described coil 2 and silicon steel core 1 is filled by Vaccum Permeating enamelled coating; After filling by Vaccum Permeating enamelled coating, can the gap of reduction structural member of high degree.The two ends of described silicon steel core 1 are respectively provided with one piece of iron yoke 3; Also connected by double threaded screw 5 between two iron yokes 3; Described double threaded screw 5 is provided with two; Two double threaded screws 5 lay respectively at the both sides of silicon steel core 1 and symmetrical.The two ends of double threaded screw 5 are provided with nut; Tighten up upper and lower two pieces of iron yokes 3 by pre-load nut, will guarantee that while tightening up the ratio of tightening up at two ends is consistent, so just not easily occur the gap of structural member.The described silicon steel core 1 being wound with coil 2 is also provided with for external copper bar head 4; Described iron yoke 3 is provided with the outside file leader 6 with the conducting of described silicon steel core 1; The all corresponding outside file leader 6 in each end of every root silicon steel core 1; Spring 7 and pad is provided with between described outside file leader 6 and described iron yoke 3; Due in actual use, occasional receives some larger external force, outside file leader can be caused to damage or depart from, will affect structural integrity like this, even injury device.That sees for the ease of structure fixes, or increases its fixing ability.Also be provided with the hook plate 8 being convenient to fix at the two ends of described iron yoke 3, and hook the upper surface that plate 8 is positioned at described iron yoke 3; Described iron yoke 3 is also provided with fixing through hole and described through hole is positioned on the vertical end face of iron yoke 3.The ability that it is vertically fixing can be increased.For the complete of structure and practicality, the spacing between adjacent external file leader 6 is equal.In order to make reactor by the interference of other even self structure, materials, iron yoke, outside file leader are non-magnetic metal material and are prepared from.
A kind of three-phase alternating current filter reactor of the utility model, rated voltage 1140V/50Hz, rated current 385A, inductance value 0.11mH ± 5%, electric step-down 13.3V, dielectric strength: iron core-winding 4200VAC/50Hz/5mA/60s, insulation resistance 1000VDC insulate class value >=100M Ω, and noise is less than 65dB, class of insulation ClassH, weight 95Kg, carrier frequency 2-3KHz.It is widely used in, in the four-quadrant feedback fil-ter of four-quadrant frequency converter input, being in series with frequency converter end of incoming cables.The regenerated energy produced during frequency converter braking needs to feed back to electrical network, and is used, but rectification unit is IGBT module, can produce more higher harmonic current, and then can pollute electrical network.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model description to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (4)
1. a three-phase alternating current filter reactor, is characterized in that: comprise silicon steel core, coil, iron yoke and copper bar head; Described silicon steel core with the mode coaxial cooperation of interference fits in the centre bore of described coil; Gap between described coil and silicon steel core is filled by Vaccum Permeating enamelled coating; The two ends of described silicon steel core are respectively provided with one piece of iron yoke; Also connected by double threaded screw between two iron yokes; The described silicon steel core being wound with coil is also provided with for external copper bar head; Described iron yoke is provided with the outside file leader with described silicon steel core conducting; The all corresponding outside file leader in each end of every root silicon steel core; Spring and pad is provided with between described outside file leader and described iron yoke; The two ends of described iron yoke are also provided with the hook plate being convenient to fix.
2. a kind of three-phase alternating current filter reactor according to claim 1, is characterized in that: described silicon steel core is provided with three; Three silicon steel cores are parallel to each other and interval is equal; Described double threaded screw is provided with two; Two double threaded screws lay respectively at the both sides of silicon steel core and symmetrical.
3. a kind of three-phase alternating current filter reactor according to claim 2, is characterized in that: described hook plate is positioned at the upper surface of described iron yoke; Described iron yoke is also provided with fixing through hole and described through hole is positioned on the vertical end face of iron yoke.
4., according to described a kind of three-phase alternating current filter reactor arbitrary in claims 1 to 3, it is characterized in that: the spacing between adjacent external file leader is equal; Described iron yoke, outside file leader are non-magnetic metal material and are prepared from.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520636157.3U CN204991378U (en) | 2015-08-21 | 2015-08-21 | Three -phase AC filter reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520636157.3U CN204991378U (en) | 2015-08-21 | 2015-08-21 | Three -phase AC filter reactor |
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| Publication Number | Publication Date |
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| CN204991378U true CN204991378U (en) | 2016-01-20 |
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| CN201520636157.3U Active CN204991378U (en) | 2015-08-21 | 2015-08-21 | Three -phase AC filter reactor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105632722A (en) * | 2016-02-24 | 2016-06-01 | 李聪 | Tuning electric reactor |
| CN106229129A (en) * | 2016-08-29 | 2016-12-14 | 苏州腾冉电气设备股份有限公司 | A kind of novel soft magnetism high power three-phase mutual reactor |
-
2015
- 2015-08-21 CN CN201520636157.3U patent/CN204991378U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105632722A (en) * | 2016-02-24 | 2016-06-01 | 李聪 | Tuning electric reactor |
| CN106229129A (en) * | 2016-08-29 | 2016-12-14 | 苏州腾冉电气设备股份有限公司 | A kind of novel soft magnetism high power three-phase mutual reactor |
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