CN202332522U - Reactor special for comprehensive power quality treatment device - Google Patents
Reactor special for comprehensive power quality treatment device Download PDFInfo
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- CN202332522U CN202332522U CN2011204802573U CN201120480257U CN202332522U CN 202332522 U CN202332522 U CN 202332522U CN 2011204802573 U CN2011204802573 U CN 2011204802573U CN 201120480257 U CN201120480257 U CN 201120480257U CN 202332522 U CN202332522 U CN 202332522U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
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Abstract
The utility model discloses a reactor special for a comprehensive power quality treatment device. The reactor is provided with two windings which are connected in series to form a hollow cylinder, and a high magnetic permeability core column which is arranged in the center of an inner winding; epoxy polyester insulating strips are arranged and radiating air passages are formed between the two windings to isolate the two windings; three pairs of inner and outer fixed supporting strips are provided, and each pair of supporting strips penetrates from the tops of the two windings and penetrates out of the bottoms of the two windings; the inner supporting strips are arranged on the inner winding in parallel; the outer supporting strips are arranged on the outer winding in parallel; the inner and outer windings are clamped and fastened through each pair of inner and outer supporting strips, and the upper ends and the lower ends of the inner and outer supporting strips are fastened into a whole through screws and nuts respectively; and the lower ends of the inner and outer supporting strips are fixed on a bottom plate through a metal block. The reactor is reasonable in design, has a simple structure, low temperature rise, low noise, weak interference and stable performance and is safe and reliable.
Description
Technical field
The utility model relates to the electric-power filter technical field, the special-purpose reactor of particularly a kind of quality of power supply comprehensive quality device.
Background technology
Along with the development of modern industrial technology and power electronic technology, the application of power electronic equipments such as various rectifiers in industry, communications and transportation and household electrical appliance is increasingly extensive, and the harmonic problem that these nonlinear-loads bring is also serious day by day.Harmonic wave increases grid loss, takies power system capacity, reduces electrical network efficient, causes relay protection device tripping or malfunction, causes large-area power-cuts when serious.When harmonic current flows in the electrical network that capacitive apparatus such as reactive-load compensation capacitor is arranged, maybe since system resonance amplify tens of times perhaps more, cause serious problems such as grid equipment overvoltage damage.In the face of pollution, the power quality problem of Harmonious Waves in Power Systems becomes increasingly conspicuous and power consumer proposes increasingly high requirement for the quality of power supply, it is more and more important that power quality controlling seems, imperative.
The power quality harnessed synthetically device is that a kind of information technology and power electronic technology of advanced person utilized realized the filtering to harmonic wave, idle compensation, the balance of three-phase current excellently.It separates out the harmonic wave of load current, idle and current imbalance degree through high-speed synchronous real-time sampling and Intelligent Measurement technical point; Utilize opposite, the equal-sized offset current of inversion transformation technique outbound course; Thereby realize intelligent filtering harmonic, continuous dynamic passive compensation, three-phase balance function, reach the purpose of administering power quality problem.
The reactor that the power quality harnessed synthetically device is used, the high frequency carrier of wanting the high-power electronic switch on the filtering inverter bridge to produce on the one hand; Conduct connects the bridge of electric power system on the other hand, the harmonic currents of a large amount of outputs of flowing through.Traditional reactor such as iron core reactor are used on the power quality harnessed synthetically device, through a large amount of harmonic currents, can produce high frequency noise, vibrate hugely, make us ear and are difficult to stand; The harmonic current of reactor of flowing through is multiplied the eddy current loss of iron core reactor and iron loss, and it is very serious to generate heat; Some in addition make the iron core reactor magnetic core saturated, cause output current unstable, fluctuation is frequent.If air-core reactor is used on the power quality harnessed synthetically device; Harmonic wave through the magnetic line of force that air-core reactor produced just as electromagnetic oven to the such continuous heating of metalware; Constantly the metal object to surrounding environment (like electronic device, equipment, screen cabinet etc.) frequently act on, radiation; Make the surrounding environment metal object seriously generate heat, vibrate, disturb, can influence the useful life of power quality harnessed synthetically device for a long time.
Therefore, it is low to develop a kind of temperature rise, and noise is little, a little less than the interference, and stable performance, the special-purpose reactor of safe and reliable power quality harnessed synthetically device is very urgent.
The utility model content
The purpose of the utility model is to solve that traditional reactor noise is big, vibration is violent, heating is serious, it is severe to disturb, the output problem of unstable; Provide a kind of temperature rise low, noise is little, a little less than the interference; Stable performance, the special-purpose reactor of safe and reliable power quality harnessed synthetically device.
In order to achieve the above object; The utility model adopts following technical scheme: the special-purpose reactor of a kind of power quality harnessed synthetically device; Two windings that this device is provided with in the equal height, outer, be made up of four strands of flat enamel-cover copper conductors; Interior winding is embedded in the outer winding, and it is cylindric that two windings in series form hollow together, and at interior winding center one high magnetic conductivity stem stem is set; The epoxy polyester insulation strip is set between two windings, builds the air flue that dispels the heat between the winding, on electric, isolate two windings; Three pairs of inner and outer rings epoxy resins fixed supports are set, and each penetrates the top of support bar from two windings, passes from the bottom of two windings; Interior support bar is set in parallel in interior winding, and outer support bar is set in parallel in outer winding; Each makes inside and outside winding to inside and outside support bar according to 120 degree folders, and respectively upper end, the lower end of inside and outside support bar is fastened as one through screw rod and nut.Inside and outside support bar lower end is fixed on through " L " type metal derby and installs on the insulating base.
The whole vacuum that adopts of this special-purpose reactor is soaked insulating varnish, curing, oven dry.Through the reactor behind the vacuum paint dipping; Between winding inter-turn lead, stem stem, empire cloth and the reactor surface, inside and outside support bar, screw rod, screw, metal derby, installation insulating base firmly be bonded together; Form an integral body; Improved structural strength well, the vibrating noise that has produced when having reduced the reactor operation.
The outstanding advantage of the utility model is:
1, by four strands of flat H class F insulation enamelled wires highly identical, two windings in one outer one of coiling respectively, interior winding embeds in the outer winding, connects together, and outer winding upper and lower side is drawn binding post respectively.Winding adopts the coiling of four strands of flat H class F insulation enamel covered wires, has improved the heatproof class of insulation, has increased area of dissipation, has reduced the skin effect, has reduced eddy current loss.
2, the heat radiation air flue is set between the inside and outside winding, is convenient to the heat extraction of ventilating.One high magnetic conductivity stem stem is set at the winding center, and after the moulding of overall vacuum epoxy casting, no air gap, closely knit and globality is fine vibrates minimumly stem stem during operation by the high magnetic conductivity iron powder of certain proportion configuration, and noise is very low.
3, two windings and stem stem are made through three pairs of external and internal fixation support bars and six screw, folders, and " L " type metal derby that is provided with through the support bar lower end is fixed on the installation insulating base.The reactor outer surface adopts epoxy glass fibre insulating cloth tightly to twine, bind; Stem stem, winding, fixed support, base plate just connect into an integral body like this; Firm, stable is reliable; Can withstand various mechanical shocks in the processes such as carrying, transportation, installation, collision, also can withstand high temperatures, low temperature environment impacts.
In a word, the utility model is simple in structure, reasonable in design, technical maturity, easy to process, have easy for installation, temperature rise is low, noise is little, interference is weak, stable performance, safe and reliable.
Description of drawings
Fig. 1 is the structural representation of the special-purpose reactor of the said power quality harnessed synthetically device of the utility model.
Fig. 2 is the vertical view of the special-purpose reactor of the said power quality harnessed synthetically device of the utility model.
Embodiment
Below in conjunction with accompanying drawing and embodiment the technical scheme of the utility model is described further.
As depicted in figs. 1 and 2; Two windings that the special-purpose reactor of the said power quality harnessed synthetically device of the utility model is provided with in the equal height, outer, be made up of the flat enamel-cover copper conductor of multiply; Interior winding 5 is embedded in the outer winding 4; It is cylindric that two windings in series form hollow together, and at interior winding 5 centers one high magnetic conductivity stem stem 6 is set; Epoxy polyester insulation strip 8 is set between two windings, builds the air flue that dispels the heat between the winding, on electric, isolate two windings; Three pairs of inner and outer rings epoxy resins fixed supports 1,2 are set, and each penetrates the top of support bar from two windings, passes from the bottom of two windings; Interior support bar 1 is set in parallel in interior winding 5, supports 2 outward and is set in parallel in outer winding 4; Each makes inside and outside winding to inside and outside support bar according to 120 degree folders, and respectively upper end, the lower end of inside and outside support bar 1,2 is fastened as one through screw rod 9 and nut 7.Inside and outside support bar lower end is fixed on through " L " type metal derby 3 and installs on the insulating base 10.
Concrete manufacture method illustrates as follows:
1, at first in the coiling equal height, outer, by two windings 4,5 that four strands of flat enamel-cover copper conductors are formed, be embedded in interior winding 5 in the outer winding 4, it is cylindric that two windings in series form hollow together.The outer surface of winding 4 tightly twines, binds with epoxy glass fibre insulating cloth outside.
2, press Fig. 2 interior winding 5 and outside between the winding 4, penetrate six epoxy polyester insulation strip 8, winding 5 and outer winding 4 in every bar insulation bar 8 is parallel to, and according to per two 60 degree placements, fastening.
3, prepare three pairs in support bar 1, outer support bar 2, interior support bar 1 penetrates from interior winding 5 tops, passes from the bottom; Outer support bar 2 penetrates from outer winding 4 tops, passes from the bottom; Interior support bar winding 5 inner surfaces in 1 parallel being close to support 2 outward and parallelly are close to outer winding 4; Each makes fastening inside and outside winding 5,4 to inside and outside support bar 1,2 according to 120 degree folders.
4, carry out fastening to upper end, the lower end of inside and outside support bar 1,2 respectively with six cover screw rods 9 and nut 7.Penetrate stem stem 6 from interior winding 5 tops, pass, utilize stem stem 6 tops, bottom the press from both sides system, fixing of the end of six roots of sensation screw rod 9 winding center in being arranged on from the bottom.
5, the lower end of inside and outside support bar 1,2 is fixed on through " L " type metal derby 3 and installs on the insulating base 10.So just be fixed as an integral body to parts such as interior winding 5, outer winding 4, stem stem 6, insulation strip 8, interior support bar 1, outer support bar 2, screw rod 9, nuts 7.
6, check whether each parts has mistake, positive stop whether, whether firm and reliable connection.
7, change inductance value over to and detect workshop section.
8, after reactor device overall vacuum is soaked insulating varnish, curing, oven dry, and carry out outward appearance, withstand voltage insulation, temperature rise, noise, strike-machine detection.
Above-mentioned manufacture method is under the utility model general plotting, and the special-purpose reactor of power quality harnessed synthetically device is described in detail.Therefore in the variation and the modification that do not break away under the utility model general plotting, should belong within the protection range of the utility model.
Claims (4)
1. the special-purpose reactor of a power quality harnessed synthetically device, it is characterized in that: this reactor is provided with inside and outside two windings, and interior winding is embedded in the outer winding, and it is cylindric that two windings in series form hollow together, and at interior winding center one high magnetic conductivity stem stem is set; The epoxy polyester insulation strip is set between two windings, builds the air flue that dispels the heat between the winding, on electric, isolate two windings; Be provided with inside and outside support bar and penetrate, pass from the bottom of two windings from the top of two windings; Interior support bar is set in parallel in interior winding, and outer support bar is set in parallel in outer winding; Inside and outside support bar is according to the inside and outside winding of 120 degree folder systems, and respectively upper end, the lower end of inside and outside support bar fastened as one, and inside and outside support bar lower end is fixed on installs on the insulating base.
2. special-purpose reactor according to claim 1 is characterized in that: said inside and outside two windings are in the equal height, outer, are made up of four strands of flat enamel-cover copper conductors.
3. special-purpose reactor according to claim 1 is characterized in that: said inside and outside support bar is made up of three pairs of inner and outer rings epoxy resins fixed supports.
4. special-purpose reactor according to claim 1 is characterized in that: said inside and outside support bar lower end is fixed on through " L " type metal derby installs on the insulating base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204802573U CN202332522U (en) | 2011-11-28 | 2011-11-28 | Reactor special for comprehensive power quality treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204802573U CN202332522U (en) | 2011-11-28 | 2011-11-28 | Reactor special for comprehensive power quality treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202332522U true CN202332522U (en) | 2012-07-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204802573U Expired - Fee Related CN202332522U (en) | 2011-11-28 | 2011-11-28 | Reactor special for comprehensive power quality treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202332522U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108400665A (en) * | 2018-05-10 | 2018-08-14 | 邹跃洲 | Motor stator and its manufacturing method, motor |
-
2011
- 2011-11-28 CN CN2011204802573U patent/CN202332522U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108400665A (en) * | 2018-05-10 | 2018-08-14 | 邹跃洲 | Motor stator and its manufacturing method, motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20161128 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |