CN204258321U - A kind of two-door laterally opened reactive compensation cabinet - Google Patents
A kind of two-door laterally opened reactive compensation cabinet Download PDFInfo
- Publication number
- CN204258321U CN204258321U CN201420844680.0U CN201420844680U CN204258321U CN 204258321 U CN204258321 U CN 204258321U CN 201420844680 U CN201420844680 U CN 201420844680U CN 204258321 U CN204258321 U CN 204258321U
- Authority
- CN
- China
- Prior art keywords
- cabinet
- door
- circuit breaker
- laterally opened
- reactive compensation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
- Y02E40/30—Reactive power compensation
Abstract
The two-door laterally opened reactive compensation cabinet that the utility model provides; the compensation of its inside arranges idle compensating control; the data analysis that current transformer is obtained, contrast; regulate combination switch and miniature circuit breaker; form feedback loop; while protection is surged in adjustment, improve compensation precision and the capacity load recruitment of reactive power compensator.This device structurally, cabinet and top cover assembling mode adopt removable mounting, it is assemble by the workpiece that top is larger that assembly technology assembles components and parts, greatly increase installment work efficiency, and support cabinet door by slide bar, cabinet door is stayed open and is unlikely to automatically to close under wind or other External Force Actings, to facilitate working under door opening state of staff.Louvre can effectively reach to the effect of components and parts heat radiation in cabinet, improves useful life of the present utility model.
Description
Technical field
The utility model relates to reactive power compensation field, particularly two-door laterally opened reactive compensation cabinet.
Background technology
In reactive power compensation, compensation precision embodies the efficiency of effective compensation, the lower meeting of compensation precision causes undercompensation or crosses the phenomenon of mending, and can consume a large amount of power in this process, reduces the efficiency of effective compensation, when load is more stable, its impact is especially obvious; And can capacity load be increased.
Reactive power compensator is generally used for open air and carries out reactive power compensation, and power consumption is large in addition, therefore needs the high and reactive power compensator that compensation precision is high of a kind of protective efficacy badly, and can realize outdoor reactive power compensation for a long time.
Reactive power compensator of the prior art generally adopts protector of surging to carry out protection of surging, and to improve the fail safe of reactive power compensator, but its protection limit is less, cannot be applicable to the demand of outdoor reactive power compensation.
Existing reactive-load compensation equipment cannot carry out complete dismounting on cabinet, and batch production is thrown artificial large, and efficiency is low; The cabinet IP grade of existing reactive-load compensation equipment can not well process with heat radiation, IP higher grade seal is higher, and radiating effect is relatively poorer, the cost if increase cooling fan will be increased input, also can affect cabinet overall dimension, and not meet mounting condition.
In reactive power compensation, compensation precision embodies the efficiency of effective compensation, the lower meeting of compensation precision causes undercompensation or crosses the phenomenon of mending, and can consume a large amount of power in this process, reduces the efficiency of effective compensation, when load is more stable, its impact is especially obvious; And can capacity load be increased; Reactive power compensator of the prior art generally adopts protector of surging to carry out protection of surging, and to improve the fail safe of reactive power compensator, but its protection limit is less.
Urgently there is a kind of structure optimization, the high and reactive compensation cabinet that compensation precision is high of protective efficacy of surging.
Summary of the invention
In view of this, the two-door laterally opened reactive compensation cabinet that the utility model provides, its structure optimization, protective efficacy of surging is high and compensation precision is high.
The technical solution of the utility model is achieved in that two-door laterally opened reactive compensation cabinet, comprises cabinet, cabinet door, top cover, suspension ring nut, bolt and louvre and the reactive power compensator be loaded in cabinet.
Wherein said cabinet is the cuboid cavity of top end opening, selects two opposite flanks of cabinet respectively to arrange a side opening, each side opening is arranged a cabinet door; Described cabinet door and cabinet are by gemel connection, and hinge is all located at the limit, left side of door; All arrange a slide rail on the left of the lower end surface of each side opening, then the bottom of each cabinet door is connected a slide bar, and the slide bar other end connects a slide block, and described slide block is placed in the slide rail on respective side opening.
The corner location of described cabinet top end opening is equipped with the bolt protruded from above cabinet, and described top cover covers on the top end opening with cabinet, and the correspondence position of top cover corner is provided with the through hole coordinated with bolt, and is connected with bolted with suspension ring nut.
Described cabinet is provided with louvre, and described louvre is located on the sidewall on cabinet top, and neatly horizontal.
Described reactive power compensator is arranged in the cavity of described cabinet, comprises power module, control module and compensating module, and described control module connects power module, and compensating module and control module are electrically connected; Described control module comprises idle compensating control, current transformer, combination switch and miniature circuit breaker, and described idle compensating control connects current transformer, combination switch and miniature circuit breaker respectively.
Further, control module also comprises protector of surging, described in protector of surging be connected in series current transformer.
Further, compensating module comprises capacitor, and described capacitor is self healing capacitor.
Further, power module comprises supply unit, circuit breaker and lightning arrester, and described supply unit and circuit breaker, lightning arrester are electrically connected.
Further, power module is provided with primary connection terminal, and described control module is provided with secondary wiring terminals.
Further, combination switch is thyristor.
Further, circuit breaker is mold cased circuit breaker.
Beneficial effect:
The two-door laterally opened reactive compensation cabinet that the utility model provides, the compensation of its inside arranges idle compensating control, the data analysis that current transformer is obtained, contrast, regulate combination switch and miniature circuit breaker, form feedback loop, while guarantee reaction speed, improve the protective efficacy of surging of reactive power compensator, greatly improve the coefficient of safety of reactive power compensator; While protection is surged in adjustment, improve compensation precision and the capacity load recruitment of reactive power compensator.
This device structurally, cabinet and top cover assembling mode adopt removable mounting, it is assemble by the workpiece that top is larger that assembly technology assembles components and parts, greatly increase installment work efficiency, and support cabinet door by slide bar, cabinet door is stayed open and is unlikely to automatically to close under wind or other External Force Actings, to facilitate working under door opening state of staff.Louvre can effectively reach to the effect of components and parts heat radiation in cabinet, improves useful life of the present utility model.
Accompanying drawing explanation
Fig. 1: the utility model reactive compensation cabinet front view;
Fig. 2: the door opening state schematic diagram of the utility model reactive compensation cabinet;
Fig. 3: the utility model module diagram.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The two-door laterally opened reactive compensation cabinet of the one provided in the present embodiment, as shown in Fig. 1 ~ Fig. 2, comprises cabinet, cabinet door, top cover, suspension ring nut, bolt and louvre and the reactive power compensator be loaded in cabinet.
Wherein cabinet is the cuboid cavity of top end opening, selects two opposite flanks of cabinet respectively to arrange a side opening, each side opening is arranged a cabinet door; Cabinet door and cabinet are by gemel connection, and hinge is all located at the limit, left side of door; All arrange a slide rail on the left of the lower end surface of each side opening, then the bottom of each cabinet door is connected a slide bar, and the slide bar other end connects a slide block, and slide block is placed in the slide rail on respective side opening.When cabinet door is opened, slide block is mobile corresponding position in slide rail, and support cabinet door by slide bar, cabinet door is stayed open and is unlikely to automatically to close under wind or other External Force Actings, to facilitate working under door opening state of staff, the state that this device opens the door and closes the door as depicted in figs. 1 and 2.
The corner location of cabinet top end opening is equipped with the bolt protruded from above case, and top cover covers on the top end opening with cabinet, and the correspondence position of top cover corner is provided with the through hole coordinated with bolt, and is connected with bolted with suspension ring nut.
Cabinet is provided with louvre, and louvre is located on the sidewall on cabinet top, and neatly horizontal.
In structure, cabinet and top cover assembling mode adopt removable mounting, it is assemble by the workpiece that top is larger that assembly technology assembles components and parts, greatly increases installment work efficiency; Louvre can effectively reach to the effect of components and parts heat radiation in cabinet, improves useful life of the present utility model.
Reactive power compensator is arranged in the cavity of cabinet, as shown in Figure 3, comprises power module, control module and compensating module, and control module connects power module, and compensating module and control module are electrically connected; Control module comprises idle compensating control, current transformer, combination switch and miniature circuit breaker, and idle compensating control connects current transformer, combination switch and miniature circuit breaker respectively.
Wherein control module also comprises protector of surging, and protector of surging is connected in series current transformer.
Container is self healing capacitor.
Power module comprises supply unit, circuit breaker and lightning arrester, and supply unit and circuit breaker, lightning arrester are electrically connected.
Power module is provided with primary connection terminal, and control module is provided with secondary wiring terminals.
Combination switch is thyristor.
Circuit breaker is mold cased circuit breaker.
The utility model, by the feedback loop of idle compensating control, current transformer, combination switch and miniature circuit breaker composition in control module, adopts dynamic passive compensation mode, is applicable to the fluctuation of load than in situation more frequently; And the utility model also has a point function of mending, do good compensation can to some unbalanced loads; It is faster that reaction speed of the present utility model compares static reactive power compensation mode; The situation larger in some fluctuations of load can compensate targetedly; Compensation precision is high, and can increase capacity load.
Power module realizes the power supply of control module and compensating module and once protects, and plays Main Function to the overall switching of reactive-load compensation equipment.
Compensating module is according to loading condiction parallel connection or be connected in series in control module.
Control module to be sampled to power network current mainly through current transformer and is inputted idle compensating control, the electric current that idle compensating control collects current transformer is analyzed, is stored, and contrast setup parameter value output switching signal, and by switching signal transmission in combination switch, in switching process, auxiliary contact first closes, the resistance of connecting with auxiliary contact makes capacitor precharge, and then main contact closes again, thus shoving when limiting capacitance device drops into; Thyristor is realized voltage zero-cross input and excises with current over-zero by combination switch exactly.
Compensating module is formed primarily of self healing capacitor, self healing capacitor adopts single-layer polypropylene film as medium, and the surperficial evaporation thin metal of one deck is as conductive electrode.When applying too high voltage, polypropylene screen electricity weakness is breakdown, and breakdown point impedance obviously reduces, the current density flow through sharply increases, and make metallization coating produce high heat, the metallic conductor around breakdown point evaporates loss rapidly, form coat of metal clear area, breakdown point recovers insulation automatically.
The reactive power compensator that the utility model provides, by arranging idle compensating control, the data analysis that current transformer is obtained, contrast, regulate combination switch and miniature circuit breaker, form feedback loop, while guarantee reaction speed, improve the protective efficacy of surging of reactive power compensator, greatly improve the coefficient of safety of reactive power compensator; While protection is surged in adjustment, improve compensation precision and the capacity load recruitment of reactive power compensator.
Certainly; when not deviating from the utility model spirit and essence thereof; those of ordinary skill in the art should make various corresponding change and distortion according to the utility model, but these change accordingly and are out of shape the protection range that all should belong to the claim appended by the utility model.
Claims (7)
1. a two-door laterally opened reactive compensation cabinet, is characterized in that: comprise cabinet, cabinet door, top cover, suspension ring nut, bolt and louvre and the reactive power compensator be loaded in cabinet;
Wherein said cabinet is the cuboid cavity of top end opening, selects two opposite flanks of cabinet respectively to arrange a side opening, each side opening is arranged a cabinet door; Described cabinet door and cabinet are by gemel connection, and hinge is all located at the limit, left side of door; All arrange a slide rail on the left of the lower end surface of each side opening, then the bottom of each cabinet door is connected a slide bar, and the slide bar other end connects a slide block, and described slide block is placed in the slide rail on respective side opening;
The corner location of described cabinet top end opening is equipped with the bolt protruded from above cabinet, and described top cover covers on the top end opening with cabinet, and the correspondence position of top cover corner is provided with the through hole coordinated with bolt, and is connected with bolted with suspension ring nut;
Described cabinet is provided with louvre, and described louvre is located on the sidewall on cabinet top, and neatly horizontal;
Described reactive power compensator is arranged in the cavity of described cabinet, comprises power module, control module and compensating module, and described control module connects power module, and compensating module and control module are electrically connected; Described control module comprises idle compensating control, current transformer, combination switch and miniature circuit breaker, and described idle compensating control connects current transformer, combination switch and miniature circuit breaker respectively.
2. the two-door laterally opened reactive compensation cabinet of one according to claim 1, is characterized in that: described control module also comprises protector of surging, described in protector of surging be connected in series current transformer.
3. the two-door laterally opened reactive compensation cabinet of one according to claim 1, is characterized in that: described compensating module comprises capacitor, and described capacitor is self healing capacitor.
4. the two-door laterally opened reactive compensation cabinet of one according to claim 1, is characterized in that: described power module comprises supply unit, circuit breaker and lightning arrester, and described supply unit and circuit breaker, lightning arrester are electrically connected.
5. the two-door laterally opened reactive compensation cabinet of one according to claim 1, it is characterized in that: described power module is provided with primary connection terminal, described control module is provided with secondary wiring terminals.
6. the two-door laterally opened reactive compensation cabinet of one according to claim 1, is characterized in that: described combination switch is thyristor.
7. the two-door laterally opened reactive compensation cabinet of one according to claim 4, is characterized in that: described circuit breaker is mold cased circuit breaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420844680.0U CN204258321U (en) | 2014-12-25 | 2014-12-25 | A kind of two-door laterally opened reactive compensation cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420844680.0U CN204258321U (en) | 2014-12-25 | 2014-12-25 | A kind of two-door laterally opened reactive compensation cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204258321U true CN204258321U (en) | 2015-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420844680.0U Expired - Fee Related CN204258321U (en) | 2014-12-25 | 2014-12-25 | A kind of two-door laterally opened reactive compensation cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204258321U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104578100A (en) * | 2014-12-25 | 2015-04-29 | 贵州天能电力高科技有限公司 | Reactive power compensation cabinet provided with two side-open doors |
-
2014
- 2014-12-25 CN CN201420844680.0U patent/CN204258321U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104578100A (en) * | 2014-12-25 | 2015-04-29 | 贵州天能电力高科技有限公司 | Reactive power compensation cabinet provided with two side-open doors |
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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: 20150408 Termination date: 20151225 |
|
| EXPY | Termination of patent right or utility model |