CN203135445U - Integrated reactive power compensator - Google Patents
Integrated reactive power compensator Download PDFInfo
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- CN203135445U CN203135445U CN 201320056639 CN201320056639U CN203135445U CN 203135445 U CN203135445 U CN 203135445U CN 201320056639 CN201320056639 CN 201320056639 CN 201320056639 U CN201320056639 U CN 201320056639U CN 203135445 U CN203135445 U CN 203135445U
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- 239000003990 capacitor Substances 0.000 claims abstract description 49
- 238000005259 measurement Methods 0.000 claims abstract description 15
- 230000008901 benefit Effects 0.000 claims abstract description 8
- 230000001681 protective effect Effects 0.000 claims description 23
- 230000001012 protector Effects 0.000 claims description 4
- 238000005070 sampling Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 6
- 239000002131 composite material Substances 0.000 abstract 1
- 239000000843 powder Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 5
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- 230000001070 adhesive effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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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 embodiment in the utility model provides an integrated reactive power compensator. The compensator comprises a housing, and a control module and a compensation module arranged in the housing. The compensation module comprises a compensation module framework and two three-phase co-compensation circuits with a same structure and integrated in the compensation module framework; and each three-phase co-compensation compensating circuit comprises a capacitor control protection breaker, a composite switch and a three-phase co-compensation capacitor. The control module comprises a control module framework and a general powder source control protection breaker, a measurement and control instrument, a current transformer, a phase-splitting compensation compensating circuit and a three-phase co-compensation compensating circuit, which are integrated in the control module framework. Lines are respectively integrated in the compensation module and the control module, therefore the integrated reactive power compensator has the advantages of small volume, convenient installation and maintenance and compact structure.
Description
Technical field
The utility model relates to the power technology field, in particular, relates to the integrated form reactive power compensation device.
Background technology
Existing reactive power compensation device exists that volume is big, installation and maintenance are inconvenient, and therefore the problem that structure is not compact, needs the development volume little, convenient for installation and maintenance, the reactive power compensation device of compact conformation.
The utility model content
In view of this, the utility model embodiment provides volume little, and is convenient for installation and maintenance, the reactive power compensation device of compact conformation.
For achieving the above object, the utility model embodiment provides following technical scheme:
A kind of integrated form reactive power compensation device comprises:
Shell, and the control module and the compensating module that place described shell, wherein:
Described compensating module specifically comprises the compensating module framework, and the identical three-phase of two line structures that is integrated in the described compensating module framework mends compensating circuit altogether, and each road three-phase is mended compensating circuit altogether and comprised that the capacitor control protective circuit breaker, combination switch and the three-phase that are in series mend capacitor altogether;
Described control module specifically comprises the control module framework, and the general supply control protective circuit breaker, measurement and control instrument, current transformer, one road phase splitting compensation compensating circuit and one road three-phase that are integrated in the control module framework are mended compensating circuit altogether;
Described phase splitting compensation compensating circuit comprises capacitor control protective circuit breaker, combination switch and the knockdown single-phase branch benefit capacitor that is in series;
Described three-phase is mended compensating circuit altogether and is comprised that the capacitor control protective circuit breaker, combination switch and the three-phase that are in series mend capacitor altogether;
Capacitor control protective circuit breaker in the described phase splitting compensation compensating circuit is connected with described general supply control protective circuit breaker through current transformer respectively with the capacitor control protective circuit breaker that three-phase is mended in the compensating circuit altogether; described phase splitting compensation compensating circuit is connected with described measurement and control instrument respectively with the secondary control circuit that three-phase is mended the combination switch in the compensating circuit altogether; the required working power terminal of described measurement and control instrument connects a leading-out terminal from current transformer by secondary device protection fuse, and the information terminal of described measurement and control instrument is connected with control module sampling mutual inductor outward by the total cable of secondary.
Preferably, also be integrated with in the described control module framework: reactive current indicator and overvoltage protector.
Preferably, also be integrated with capacitor discharge indicator light and total power light in the described control module framework.
Preferably, also be integrated with in the described compensating module framework: capacitor discharge indicator light.
Preferably, described three-phase is mended the shunt capacitor that capacitor is the three-phase delta connection altogether; It is the shunt capacitor of single-phase Y connection that described knockdown single-phase branch is mended capacitor.
Preferably, the height of described control module is identical with the height of compensating module; The degree of depth of described control module is identical with the degree of depth of compensating module; The width of described control module is 2 times of width of described compensating module.
Preferably, described compensating module framework is provided with the splicing ear of cable and secondary cable; Described control module framework is provided with the splicing ear of cable and secondary cable.
Therefore in the utility model embodiment, because circuit is integrated in respectively in compensating module and the control module, therefore, it is little, convenient for installation and maintenance to have a volume, the advantage of compact conformation.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to the accompanying drawing that provides.
Fig. 1 a faces structural representation for the integrated form reactive power compensation device that the utility model embodiment provides;
The integrated form reactive power compensation device side-looking structural representation that Fig. 1 b provides for the utility model embodiment;
Fig. 2 a faces structural representation for the control module that the utility model embodiment provides;
The right TV structure schematic diagram of control module that Fig. 2 b provides for the utility model embodiment;
Fig. 2 c is the cutaway view of the A-A of control module shown in Fig. 2 a;
Fig. 2 d is the cutaway view of the B-B of control module shown in Fig. 2 a;
Fig. 2 e is the cutaway view of the C-C of control module shown in Fig. 2 a;
Fig. 2 f is control module and compensating module main circuit connection diagram;
Fig. 2 g is control module and the detailed connection diagram of compensating module main circuit;
Fig. 3 a faces structural representation for the compensating module that the utility model embodiment provides;
The right TV structure schematic diagram of compensating module that Fig. 3 b provides for the utility model embodiment;
Fig. 3 c is the cutaway view of the A-A of compensating module shown in Fig. 3 a;
Fig. 3 d is the cutaway view of the B-B of compensating module shown in Fig. 3 a;
Fig. 3 e is the cutaway view of the C-C of compensating module shown in Fig. 3 a;
Fig. 3 f is the inner main circuit diagram of combination switch.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
The integrated form reactive power compensation device that present embodiment provides comprises shell, places control module and the compensating module of shell.
In other embodiment of the utility model, referring to Fig. 1 a, the width of control module 13 is 2 times of width of compensating module 15.See also Fig. 1 b simultaneously, the height of control module 13 is identical with the height of compensating module 15, and the degree of depth of control module 13 is identical with the degree of depth of compensating module 15.
So, control module 13 and compensating module 15 have formed standardized module, thereby can be according to the different combinations that require a cover control module and number cover compensating module of user, and the equipment of being convenient to is using on-the-spot maintenance and adjustment.
Be more convenient connection, see also the concrete structure figure of the shown compensating module of Fig. 2 a, in Fig. 2 a, be provided with the splicing ear 32 of cable and secondary cable.And in the concrete structure figure of the shown control module of Fig. 3 a, also be provided with the splicing ear 32 of cable and secondary cable.So, a cable between control module and compensating module and need getting final product by being connected on the corresponding splicing ear by the winding diagram requirement of splicing ear only being connected of secondary cable.
To specifically introduce the concrete structure of control module below, and see also Fig. 2 a-Fig. 2 e, control module can specifically comprise control module framework 40, and is arranged on each parts in the control module framework 40; Aforesaid splicing ear 32 also is arranged on the control module framework 40.
Seeing also Fig. 2 a-Fig. 2 g(Fig. 2 f is the simplification version of Fig. 2 g), each parts that is integrated in the control module framework can comprise:
Each one of general supply control protective circuit breaker 31, measurement and control instrument 39, (total idle phase-splitting current information is provided) current transformer 41(A, B, C three-phase), one road phase splitting compensation compensating circuit 46 and one road three-phase mend compensating circuit 47 altogether, wherein:
See also Fig. 2 f, phase splitting compensation compensating circuit 46 comprises capacitor control protective circuit breaker 30, combination switch 35 and the knockdown single-phase branch benefit capacitor 51 that is in series; It should be noted that knockdown single-phase branch benefit capacitor 51 is the shunt capacitor of single-phase Y connection, its inside comprises three electric capacity 34.And capacitor control protective circuit breaker 30 inside also comprise three sub-capacitor control protective circuit breakers 301.As for combination switch 35, its inside also comprises three sub-combination switches 353.
And three-phase is mended compensating circuit 47 altogether and is comprised that the capacitor control protective circuit breaker 48, combination switch 35 and the three-phase that are in series mend capacitor 49 altogether; Three-phase is mended the shunt capacitor that capacitor 49 specifically can comprise the three-phase delta connection altogether.
In addition; the capacitor control protective circuit breaker 48 that capacitor control protective circuit breaker 30 and the three-phase of phase splitting compensation compensating circuit mended in the compensating circuit altogether is connected with general supply control protective circuit breaker 31 through current transformer 41 respectively; the phase splitting compensation compensating circuit is connected with measurement and control instrument 39 respectively with the secondary control circuit that three-phase is mended the combination switch 35 in the compensating circuit altogether; the working power terminal of measurement and control instrument 39 protects fuse to be connected to a leading-out terminal of current transformer 41 through secondary device, and the information terminal of its (reflection electricity consumption load information) is connected by the sampling mutual inductor 50 outside the total cable of secondary and the control module.
Still see also Fig. 2 a-2f, in other embodiment of the utility model, reactive current indicator 33 and overvoltage protector 42 that also can total idle minute phase current of integrated reflection in the above-mentioned control module framework.Wherein, reactive current indicator 33 is connected on the secondary terminal of current transformer 41, and overvoltage protector 42 is connected with the lower end of general supply control protective circuit breaker 31.
In other embodiment of the utility model, also can be integrated with capacitor discharge indicator light 37 and total power light 38 in the above-mentioned control module framework.Wherein, capacitor discharge indicator light 37 is in parallel with capacitor.
More specifically, still see also Fig. 2 a-Fig. 2 e, also can integrated facing plate 29 and control module manufacturing information board 36 in the above-mentioned control module framework.
After having introduced control module, will specifically introduce the concrete structure of compensating module below, see also figure Fig. 2 f and Fig. 3 a-Fig. 3 e, compensating module can specifically comprise compensating module framework 44, and is arranged on each parts in the compensating module framework 44; Aforesaid splicing ear 32 also is arranged on the compensating module framework 44.
Each parts that is integrated in the compensating module framework 44 can comprise: the three-phase that two line structures are identical is mended compensating circuit 47 altogether, and the structure that three-phase is mended compensating circuit 47 altogether sees also aforementioned record, does not give unnecessary details at this.
In other embodiment of the utility model, but integrated capacitor discharge indicator light 37 also in the above-mentioned compensating module framework 44.
More specifically, still see also Fig. 3 a-Fig. 3 e, compensating module also comprises facing plate 43 and compensating module manufacturing information board 45.
Still see also Fig. 2 f, above-mentioned integrated form reactive power compensation device can drop into or excise required three-phase automatically according to the electricity consumption situation (reactive power of the idle state of reflection electricity consumption, power factor etc.) of load end and mend capacitance altogether, or mend capacitance according to the single-phase branch of the idle non-equilibrium state switching of power load, or mend the capacitor group altogether according to the three-phase of one group/two groups/three groups/four groups of the idle overall idle state switchings of power load.
And the control element of automatic switching is exactly the measurement and control instrument 39 on the control module, and it can be according to connecing supply line rear end with electricity condition (obtaining by sampling mutual inductor 50) judgement, analysis, demonstration, control etc.Be that measurement and control instrument 39 sends instructions with electricity condition after according to connecing supply line and switches on or off circuit to the secondary control element on the combination switch of required throwing or the control capacitor of cutting to capacitor and come work.
The combination of measurement and control instrument 39 and combination switch 35 can be the control physical quantity with the reactive power, and the power factor of setting with the user is the switching reference value, static compensation is combined with dynamic compensation, and three-phase mended altogether with phase splitting compensation combine.
In other embodiment of the utility model, referring to Fig. 3 f, above-mentioned sub-combination switch 353 specifically comprises reverse-blocking tetrode thyristor 351 and the contactless contactor 352 that is in parallel.
Structure among Fig. 3 f adopts microcomputer-based intelligent control, can realize operating passing zero, thereby make the integrated form reactive power compensation device have the advantage that controllable silicon is dynamic compensation in the moment that switches on and off, and when devoting oneself to work, has the no power consumption advantage of no power consumption switch contactor, its implementation is: during input in voltage zero-cross moment reverse-blocking tetrode thyristor 351 first zero cross fired, again with contactless contactor 352 adhesive conductings, and then disconnect reverse-blocking tetrode thyristor 351 after stable; And excision the time is earlier reverse-blocking tetrode thyristor 351 to be dropped into, and contactless contactor 352(does not have the power consumption switch) disconnect again, reverse-blocking tetrode thyristor 351 disconnects when current over-zero again, thereby realizes the zero current excision.Because reverse-blocking tetrode thyristor 351 is to drop into when voltage zero-cross or excise when current over-zero, so the no-flashy-flow impact, no switching overvoltage, no arc reignition, contactless; The time-delay back is by contactless contactor 352 adhesives, conducting, can not produce harmonic wave, and adopt no power consumption switch work after the conducting, contactless contactor 352(does not have the power consumption switch) contact resistance little, device not power consumption at ordinary times thereby is not generated heat, thoroughly avoided the phenomenon of burning of reverse-blocking tetrode thyristor 351, do not produce electric arc during no power consumption switch on-off, thereby prolonged useful life greatly, can reach switching frequency greater than 500,000 times life requirements.
As fully visible, compared with prior art, in the present embodiment, because circuit has been integrated in respectively in compensating module and the control module, therefore, it is simple, convenient that wiring connects, reliably, the product design compact conformation, thus made things convenient for installation, maintenance of reactive power compensation device etc.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
The method of describing in conjunction with embodiment disclosed herein or the step of algorithm can directly use the software module of hardware, processor execution, and perhaps the combination of the two is implemented.Software module can place the storage medium of any other form known in random asccess memory (RAM), internal memory, read-only memory (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or the technical field.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments herein.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the wideest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. an integrated form reactive power compensation device is characterized in that, comprising:
Shell, and the control module and the compensating module that place described shell, wherein:
Described compensating module specifically comprises the compensating module framework, and the identical three-phase of two line structures that is integrated in the described compensating module framework mends compensating circuit altogether, and each road three-phase is mended compensating circuit altogether and comprised that the capacitor control protective circuit breaker, combination switch and the three-phase that are in series mend capacitor altogether;
Described control module specifically comprises the control module framework, and the general supply control protective circuit breaker, measurement and control instrument, current transformer, one road phase splitting compensation compensating circuit and one road three-phase that are integrated in the control module framework are mended compensating circuit altogether;
Described phase splitting compensation compensating circuit comprises capacitor control protective circuit breaker, combination switch and the knockdown single-phase branch benefit capacitor that is in series;
Described three-phase is mended compensating circuit altogether and is comprised that the capacitor control protective circuit breaker, combination switch and the three-phase that are in series mend capacitor altogether;
Capacitor control protective circuit breaker in the described phase splitting compensation compensating circuit is connected with described general supply control protective circuit breaker through current transformer respectively with the capacitor control protective circuit breaker that three-phase is mended in the compensating circuit altogether; described phase splitting compensation compensating circuit is connected with described measurement and control instrument respectively with the secondary control circuit that three-phase is mended the combination switch in the compensating circuit altogether; the working power terminal of described measurement and control instrument connects a leading-out terminal from current transformer by secondary device protection fuse, and the information terminal of described measurement and control instrument is connected with control module sampling mutual inductor outward by the total cable of secondary.
2. integrated form reactive power compensation device as claimed in claim 1 is characterized in that, also is integrated with in the described control module framework: reactive current indicator and overvoltage protector.
3. integrated form reactive power compensation device as claimed in claim 1 is characterized in that, also is integrated with capacitor discharge indicator light and total power light in the described control module framework.
4. integrated form reactive power compensation device as claimed in claim 1 is characterized in that, also is integrated with in the described compensating module framework: capacitor discharge indicator light.
5. integrated form reactive power compensation device as claimed in claim 1 is characterized in that:
Described three-phase is mended the shunt capacitor that capacitor is the three-phase delta connection altogether;
It is the shunt capacitor of single-phase Y connection that described knockdown single-phase branch is mended capacitor.
6. integrated form reactive power compensation device as claimed in claim 1 is characterized in that:
The height of described control module is identical with the height of compensating module;
The degree of depth of described control module is identical with the degree of depth of compensating module;
The width of described control module is 2 times of width of described compensating module.
7. integrated form reactive power compensation device as claimed in claim 1 is characterized in that:
Described compensating module framework is provided with the splicing ear of cable and secondary cable;
Described control module framework is provided with the splicing ear of cable and secondary cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320056639 CN203135445U (en) | 2013-01-29 | 2013-01-29 | Integrated reactive power compensator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320056639 CN203135445U (en) | 2013-01-29 | 2013-01-29 | Integrated reactive power compensator |
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| CN203135445U true CN203135445U (en) | 2013-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320056639 Expired - Fee Related CN203135445U (en) | 2013-01-29 | 2013-01-29 | Integrated reactive power compensator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104836124A (en) * | 2015-04-26 | 2015-08-12 | 成都恒力达科技有限公司 | Capacitor reactive power compensation cabinet |
-
2013
- 2013-01-29 CN CN 201320056639 patent/CN203135445U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104836124A (en) * | 2015-04-26 | 2015-08-12 | 成都恒力达科技有限公司 | Capacitor reactive power compensation cabinet |
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| Date | Code | Title | Description |
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| 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: 20130814 Termination date: 20160129 |
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| EXPY | Termination of patent right or utility model |