CN204243507U - A kind of portable reactive compensation cabinet possessing redundant power - Google Patents
A kind of portable reactive compensation cabinet possessing redundant power Download PDFInfo
- Publication number
- CN204243507U CN204243507U CN201420843867.9U CN201420843867U CN204243507U CN 204243507 U CN204243507 U CN 204243507U CN 201420843867 U CN201420843867 U CN 201420843867U CN 204243507 U CN204243507 U CN 204243507U
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- Prior art keywords
- cabinet
- module
- circuit breaker
- redundant power
- reactive compensation
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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
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Abstract
The utility model provides a kind of portable reactive compensation cabinet possessing redundant power, and its structure optimization, is designed by rotational structure, improves the convenient degree of switch gate, makes the maintenance of each equipment convenient; The compensation of its inside arranges idle compensating control, the data analysis obtained current transformer, contrast, regulate combination switch and miniature circuit breaker, forms feedback loop, while protection is surged in adjustment, improve compensation precision and the capacity load recruitment of reactive power compensator; And add power supply redundancy due to the utility model, when a power module electricity exhausts or breaks down, redundant power module can be adopted to replace wherein; 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; Designed by rotational structure, improve the convenient degree of switch gate, make the maintenance of each equipment convenient.
Description
Technical field
The utility model relates to reactive power compensation field, particularly a kind of portable reactive compensation cabinet possessing redundant power.
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 usually adopts sliding door mode on cabinet simultaneously, if like this very inconvenient in work high above the ground, also may cause accident; In addition 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 reactive compensation cabinet of what the utility model provided possess redundant power; its structure optimization; designed by rotational structure; improve the convenient degree of switch gate; make the maintenance of each equipment convenient, protective efficacy of surging is high and compensation precision is high, and possess power supply redundancy, electric energy reserves are large, coefficient of safety is high.
The technical solution of the utility model is achieved in that a kind of portable reactive compensation cabinet possessing redundant power, comprises cabinet, cabinet core, top cover, suspension ring nut and bolt and the reactive power compensator be loaded in cabinet; Wherein cabinet is the cylindrical cavity of top end opening, cabinet core comprises fixed lever, baffle plate and fanning strip, fixed lever and cabinet contour, baffle plate is the radial 4 pieces of baffle plates be connected along fixed lever fixed diameter direction, be connected a fanning strip between bottom of fixed two adjacent screen, and this cylindrical cavity side opening one is wide is 1/4 circular arc, the door contour with cabinet; The fanning strip of cabinet core is installed on cabinet center down, and wherein the bottom of fixed lever is connected by bearing with cabinet floor center, then form 4 bearing areas between cabinet core and cabinet.
Cabinet top end opening place chooses 4 settings in a center of symmetry along the center of circle and protrudes from the bolt above cabinet, and top cover covers on the top end opening with cabinet, and top cover 4 correspondence positions are provided with the through hole coordinated with bolt, and are connected with bolted with suspension ring nut.
Reactive power compensator comprises the first power module, second source module, control module and compensating module, and control module connects the first power module and second source module by duplexer timesharing, and compensating module and control module are electrically connected; Control module comprises idle compensating control (220), 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 is placed therein in a bearing area, the first power module and second source module is positioned in the adjacent bearing area, both sides of bearing area, control module place.
Further, control module also comprises protector of surging, and protector of surging is connected in series current transformer.
Further, compensating module comprises capacitor, and capacitor is self healing capacitor.
Further, the first power module comprises the first supply unit, the first circuit breaker and the first lightning arrester, and the first supply unit and the first circuit breaker, the first lightning arrester are electrically connected; Second source module comprises second source device, the second circuit breaker and the second lightning arrester, and second source device and the second circuit breaker, the second lightning arrester are electrically connected.
Further, power module is provided with primary connection terminal, and control module is provided with secondary wiring terminals.
Further, combination switch is thyristor.
Further, circuit breaker is mold cased circuit breaker.
Further, cabinet is provided with louvre, and louvre is located on the sidewall on cabinet top, and neatly horizontal.
Beneficial effect:
The reactive compensation cabinet of what the utility model provided possess redundant power, its structure optimization, is designed by rotational structure, improves the convenient degree of switch gate, makes the maintenance of each equipment convenient; 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; And add power supply redundancy due to the utility model, when a power module electricity exhausts or breaks down wherein, redundant power module can be adopted to replace, therefore in the utility model, electric energy reserves are larger, coefficient of safety is higher, more can be applicable to outdoor reactive power compensation for a long time, 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; Designed by rotational structure, improve the convenient degree of switch gate, make the maintenance of each equipment convenient.
Accompanying drawing explanation
Fig. 1: the utility model rotational structure is in the front view closing door state;
Fig. 2: in the utility model, rotational structure is in the front view of door opening state;
Fig. 3: Fig. 2 front view when top cover splits;
Fig. 4: the utility model cabinet side view;
Fig. 5: 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.
A kind of reactive compensation cabinet possessing redundant power provided in the present embodiment, as shown in Figure 1 to 4, comprises cabinet, cabinet core, top cover, suspension ring nut and bolt and the reactive power compensator be loaded in cabinet.
Wherein cabinet is the cylindrical cavity of top end opening, cabinet core comprises fixed lever, baffle plate and fanning strip, fixed lever and cabinet contour, baffle plate is the radial 4 pieces of baffle plates be connected along fixed lever fixed diameter direction, be connected a fanning strip between bottom of fixed two adjacent screen, and this cylindrical cavity side opening one is wide is 1/4 circular arc, the door contour with cabinet; The fanning strip of cabinet core is installed on cabinet center down, and wherein the bottom of fixed lever is connected by bearing with cabinet floor center, then form 4 bearing areas between cabinet core and cabinet.
Cabinet top end opening place chooses 4 settings in a center of symmetry along the center of circle and protrudes from the bolt above cabinet, and top cover covers on the top end opening with cabinet, and top cover 4 correspondence positions are provided with the through hole coordinated with bolt, and are 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; Owing to considering the structure of the factor designs such as outdoor fire prevention mosquito proof, its heat dispersion is poor, therefore can all adopt irony to make cabinet, cabinet door and top cover.
Reactive power compensator is arranged in the cavity of cabinet, as shown in Figure 5, comprise the first power module, second source module, control module and compensating module, control module connects the first power module and second source module by duplexer timesharing, 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 is placed therein in a bearing area, the first power module and second source module is positioned in the adjacent bearing area, both sides of bearing area, control module place.
Wherein control module also comprises protector of surging, and protector of surging is connected in series current transformer.
Container is self healing capacitor.
First power module comprises the first supply unit, the first circuit breaker and the first lightning arrester, and the first supply unit and the first circuit breaker, the first lightning arrester are electrically connected.
Second source module comprises second source device, the second circuit breaker and the second lightning arrester, and second source device and the second circuit breaker, the second 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 of what the utility model provided possess redundant power, 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.
The utility model have employed the first power module and second source module two power modules, form main standby redundancy, when a power module electricity exhausts or breaks down wherein, duplexer timesharing can be adopted to connect another one power module replace, therefore in the utility model, electric energy reserves are larger, coefficient of safety is higher, more can be applicable to outdoor reactive power compensation for a long time.
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 (8)
1. possess a portable reactive compensation cabinet for redundant power, it is characterized in that, comprise cabinet, cabinet core, top cover, suspension ring nut and bolt and the reactive power compensator be loaded in cabinet;
Wherein said cabinet is the cylindrical cavity of top end opening, described cabinet core comprises fixed lever, baffle plate and fanning strip, described fixed lever and described cabinet contour, described baffle plate is the radial 4 pieces of baffle plates be connected along fixed lever fixed diameter direction, be connected a fanning strip between described bottom of fixed two adjacent screen, and this cylindrical cavity side opening one is wide is 1/4 circular arc, the door contour with described cabinet; The fanning strip of described cabinet core is installed on described cabinet center down, and the bottom of wherein said fixed lever is connected by bearing with described cabinet floor center, then form 4 bearing areas between described cabinet core and described cabinet;
Described cabinet top end opening place chooses 4 settings in a center of symmetry along the center of circle and protrudes from the bolt above cabinet, described top cover covers on the top end opening with cabinet, top cover 4 correspondence positions are provided with the through hole coordinated with bolt, and are connected with bolted with suspension ring nut;
Described reactive power compensator comprises the first power module, second source module, control module and compensating module, and described control module connects the first power module and second source module by duplexer timesharing, and compensating module and control module are electrically connected; Described control module comprises idle compensating control (220), current transformer, combination switch and miniature circuit breaker, and described idle compensating control connects current transformer, combination switch and miniature circuit breaker respectively;
Wherein control module is placed therein in a bearing area, described first power module and second source module is positioned in the adjacent bearing area, both sides of bearing area, control module place.
2. a kind of portable reactive compensation cabinet possessing redundant power 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. a kind of portable reactive compensation cabinet possessing redundant power according to claim 1, it is characterized in that: described compensating module comprises capacitor, described capacitor is self healing capacitor.
4. a kind of portable reactive compensation cabinet possessing redundant power according to claim 1, it is characterized in that: described first power module comprises the first supply unit, the first circuit breaker and the first lightning arrester, described first supply unit and the first circuit breaker, the first lightning arrester are electrically connected;
Described second source module comprises second source device, the second circuit breaker and the second lightning arrester, and described second source device and the second circuit breaker, the second lightning arrester are electrically connected.
5. a kind of portable reactive compensation cabinet possessing redundant power 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. a kind of portable reactive compensation cabinet possessing redundant power according to claim 1, is characterized in that: described combination switch is thyristor.
7. a kind of portable reactive compensation cabinet possessing redundant power according to claim 4, is characterized in that: described circuit breaker is mold cased circuit breaker.
8. a kind of portable reactive compensation cabinet possessing redundant power as claimed in claim 1, it is characterized in that, described cabinet is provided with louvre, and described louvre is located on the sidewall on cabinet top, and neatly horizontal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420843867.9U CN204243507U (en) | 2014-12-25 | 2014-12-25 | A kind of portable reactive compensation cabinet possessing redundant power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420843867.9U CN204243507U (en) | 2014-12-25 | 2014-12-25 | A kind of portable reactive compensation cabinet possessing redundant power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204243507U true CN204243507U (en) | 2015-04-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420843867.9U Expired - Fee Related CN204243507U (en) | 2014-12-25 | 2014-12-25 | A kind of portable reactive compensation cabinet possessing redundant power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204243507U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104577764A (en) * | 2014-12-25 | 2015-04-29 | 贵州天能电力高科技有限公司 | Convenient reactive power compensation cabinet provided with redundant power supply |
| CN111864571A (en) * | 2020-08-03 | 2020-10-30 | 马鞍山鹏远电子科技有限公司 | Safe type switch board convenient to settle equipment |
-
2014
- 2014-12-25 CN CN201420843867.9U patent/CN204243507U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104577764A (en) * | 2014-12-25 | 2015-04-29 | 贵州天能电力高科技有限公司 | Convenient reactive power compensation cabinet provided with redundant power supply |
| CN111864571A (en) * | 2020-08-03 | 2020-10-30 | 马鞍山鹏远电子科技有限公司 | Safe type switch board convenient to settle equipment |
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| 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: 20150401 |
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| CF01 | Termination of patent right due to non-payment of annual fee |