CN202276153U - Integral low-voltage reactive automatic compensation unit - Google Patents
Integral low-voltage reactive automatic compensation unit Download PDFInfo
- Publication number
- CN202276153U CN202276153U CN 201120425492 CN201120425492U CN202276153U CN 202276153 U CN202276153 U CN 202276153U CN 201120425492 CN201120425492 CN 201120425492 CN 201120425492 U CN201120425492 U CN 201120425492U CN 202276153 U CN202276153 U CN 202276153U
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- China
- Prior art keywords
- automatic compensation
- secondary capacitor
- low pressure
- integral low
- power automatic
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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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- Control Of Electrical Variables (AREA)
Abstract
The utility model provides an integral low-voltage reactive automatic compensation unit which comprises a bottom plate, a low-voltage capacitor and a small circuit breaker; a vertical plate, an encoding fling-cut switch and a bar frame are fixedly arranged on the bottom plate; the low-voltage capacitor is fixedly arranged on the vertical plate; the small circuit breaker is fixed on the bar frame; the encoding fling-cut switch, the low-voltage capacitor and the small circuit breaker are connected through cables; and the integral low-voltage reactive automatic compensation unit adopts an integral design, has a small size and low cost, and is applicable to occasions which require reactive power compensation and active unbalance regulation.
Description
Technical field
The utility model relates to the high-efficiency energy-saving technology field, relates in particular to a kind of integral low pressure imaginary power automatic compensation unit.
Background technology
In rural power grids distribution district; The uneven situation ubiquity of three-phase load, the equipment that had a strong impact on is exerted oneself, and has increased loss; Under the promotion of energy-saving and emission-reduction; Along with the aggravation of market competition, the cost performance of low-voltage reactive compensator capable has been proposed increasingly high requirement, the cramped construction of small modular, high reliability will become a kind of development trend.Existing low-voltage reactive power automatic compensation device adopts the complete reactive power compensator that disperses components and parts to form to exist volume big, the wiring complicated and time consumption, and installation and maintenance are the shortcoming of inconvenience very, and its bigger defective is that whole cost is excessive, and classification is thicker, compensates meticulous inadequately.
The utility model content
In order to satisfy the demand, the technical scheme of the utility model provides that a kind of overall structure is simple and direct, and external cabling is simple, and volume is little, integral low pressure imaginary power automatic compensation unit easy for installation.
The described integral low pressure imaginary power automatic compensation of the utility model unit, integrated design, cost is low, secondary capacitor be connected in parallel between phase and phase or and ground between, can realize that reactive power compensation and active current are uneven to regulate.
The technical scheme of the integral low pressure imaginary power automatic compensation unit of the utility model is following:
A kind of integral low pressure imaginary power automatic compensation unit; Comprise base plate 4, secondary capacitor 1, miniature circuit breaker 2; Be installed with riser 5, coding fling-cut switch 3, bar frame 7 on the said base plate 4; Said secondary capacitor 1 is fixedly mounted on the said riser 5, and said miniature circuit breaker 2 is fixed on the said frame 7, connects through cable between said coding fling-cut switch 3, said secondary capacitor 1, the said miniature circuit breaker 2.
Said secondary capacitor 1 has 36 at least, said secondary capacitor 1 be connected in parallel on according to certain rules two mutually between or and ground between, be used for the adjusting of reactive power compensation and active current imbalance.
Said coding fling-cut switch 3 comprises microprocessor 8 and magnetic freeze mode relay 6; Said magnetic freeze mode relay 6 has 36 at least; Said microprocessor 8 sends through the procedure judges zero crossing of setting and throws/cut order, and it is closed or when current over-zero, break off when voltage zero-cross to drive described magnetic freeze mode relay 6.
The quantity of said secondary capacitor 1 is corresponding with the quantity of said magnetic freeze mode relay 6.
Described integral low pressure imaginary power automatic compensation unit also comprises the RS485 communication interface 9 that is used to realize many cascades.
The beneficial effect of the utility model is following:
1, the utility model overall structure is simple and direct, and wiring is simple, and volume is little, and is easy for installation.
2, the utility model integrated design, cost is low, need to be specially adapted to the uneven occasion of regulating of reactive power compensation and active current.
Description of drawings
Fig. 1 representes the utility model front schematic view;
Fig. 2 representes the utility model side schematic view;
Fig. 3 representes a kind of winding diagram of the utility model.
Wherein, 1 secondary capacitor; 2 miniature circuit breakers; 3 coding fling-cut switches; 4 base plates; 5 risers; 6 magnetic freeze mode relays; Article 7, frame; 8 microprocessors; The 9RS485 communication interface; The 10a phase line; The 11b phase line; The 12c phase line; The 13n line.
Embodiment
Further specify below in conjunction with the integral low pressure imaginary power automatic compensation unit of accompanying drawing the utility model.
Referring to accompanying drawing 1, shown in Figure 2; A kind of integral low pressure imaginary power automatic compensation unit; Comprise base plate 4, secondary capacitor 1, miniature circuit breaker 2, be installed with riser 5, coding fling-cut switch 3, bar frame 7 on the said base plate 4, said secondary capacitor 1 is fixedly mounted on the said riser 5; Said miniature circuit breaker 2 is fixed on the said frame 7, connects through cable according to winding diagram shown in Figure 3 between said coding fling-cut switch 3, said secondary capacitor 1, the said miniature circuit breaker 2.
Said secondary capacitor 1 has 36, said secondary capacitor 1 be connected in parallel on according to certain rules two mutually between or and ground between, be used for the adjusting of reactive power compensation and active current imbalance.
Said coding fling-cut switch 3 comprises microprocessor 8 and magnetic freeze mode relay 6; Said magnetic freeze mode relay 6 has 36; End with 36 tunnel described secondary capacitors 1 links to each other respectively; The other end of described secondary capacitor 1 links to each other with a phase line 10, b phase line 11, c phase line 12, n line 13 respectively by winding diagram as shown in Figure 3; When needs input/excision capacitor; Microprocessor 8 judges automatically through setting program that zero crossing sends and throws/cut order, and it is closed or when current over-zero, break off when voltage zero-cross to drive said magnetic freeze mode relay 6, thus make the said secondary capacitor 1 that connects with said magnetic freeze mode relay 6 incorporate into or withdraw from ab mutually/bc phase/ca mutually or the loop between an/bn/cn and the ground.Principle according to " two alternate cross-over connection electric capacity can in two alternate transfer active currents " can make each phase active current reach balance.
The quantity of described secondary capacitor 1 is corresponding with the quantity of described magnetic freeze mode relay 6.
Described secondary capacitor 1 is corresponding one by one with described magnetic freeze mode relay 6.
Described integral low pressure imaginary power automatic compensation unit also comprises the RS485 communication interface 9 that is used to realize many cascades, can realize many cascades through RS485 communication interface 9, realizes the near-linear switching thereby can control more capacitors.
Above embodiment is only unrestricted in order to explanation the utility model; The utility model also is not limited in above-mentioned giving an example; All do not break away from the technical scheme and the improvement thereof of the spirit and the scope of the utility model, and it all should be encompassed in the claim scope of the utility model.
Claims (6)
1. integral low pressure imaginary power automatic compensation unit; It is characterized in that; Comprise base plate, secondary capacitor, miniature circuit breaker, be installed with riser, coding fling-cut switch, bar frame on the said base plate, said secondary capacitor is fixedly mounted on the said riser; Said miniature circuit breaker is fixed on the said frame, connects through cable between said coding fling-cut switch, said secondary capacitor, the said miniature circuit breaker.
2. integral low pressure imaginary power automatic compensation according to claim 1 unit is characterized in that: said secondary capacitor has 36 at least, described secondary capacitor be connected in parallel on according to certain rules two mutually between or and ground between.
3. integral low pressure imaginary power automatic compensation according to claim 1 unit is characterized in that: described coding fling-cut switch comprises microprocessor and magnetic freeze mode relay, and said magnetic freeze mode relay has 36 at least; Described microprocessor is through the procedure judges zero crossing set and send and throw/cut order, and it is closed or when current over-zero, break off when voltage zero-cross to drive described magnetic freeze mode relay.
4. integral low pressure imaginary power automatic compensation according to claim 3 unit is characterized in that: the quantity of described secondary capacitor is corresponding with the quantity of described magnetic freeze mode relay.
5. integral low pressure imaginary power automatic compensation according to claim 4 unit is characterized in that: described secondary capacitor is corresponding one by one with described magnetic freeze mode relay.
6. integral low pressure imaginary power automatic compensation according to claim 1 unit is characterized in that: also comprise the RS485 communication interface that is used to realize many cascades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120425492 CN202276153U (en) | 2011-11-01 | 2011-11-01 | Integral low-voltage reactive automatic compensation unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120425492 CN202276153U (en) | 2011-11-01 | 2011-11-01 | Integral low-voltage reactive automatic compensation unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202276153U true CN202276153U (en) | 2012-06-13 |
Family
ID=46196490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120425492 Expired - Lifetime CN202276153U (en) | 2011-11-01 | 2011-11-01 | Integral low-voltage reactive automatic compensation unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202276153U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014127728A1 (en) * | 2013-02-22 | 2014-08-28 | 国源容开国际科技（北京）股份有限公司 | Intelligent switch capacitor |
-
2011
- 2011-11-01 CN CN 201120425492 patent/CN202276153U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014127728A1 (en) * | 2013-02-22 | 2014-08-28 | 国源容开国际科技（北京）股份有限公司 | Intelligent switch capacitor |
| EP2960912A4 (en) * | 2013-02-22 | 2016-10-19 | Gyrk Internat Technology Co Ltd | Intelligent switch capacitor |
| US9874921B2 (en) | 2013-02-22 | 2018-01-23 | Gyrk International Technology Co., Ltd. | Intelligent switch capacitor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120613 |
|
| CX01 | Expiry of patent term |