CN202103427U - Static state filtering reactive compensation cabinet - Google Patents
Static state filtering reactive compensation cabinet Download PDFInfo
- Publication number
- CN202103427U CN202103427U CN2011201954521U CN201120195452U CN202103427U CN 202103427 U CN202103427 U CN 202103427U CN 2011201954521 U CN2011201954521 U CN 2011201954521U CN 201120195452 U CN201120195452 U CN 201120195452U CN 202103427 U CN202103427 U CN 202103427U
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- China
- Prior art keywords
- controller
- compensation
- fling
- cut switch
- cabinet
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- 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
- Y02E40/20—Active power filtering [APF]
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Abstract
Provided is a static state filtering reactive compensation cabinet, belonging to the power system reactive power compensation equipment technology field. The static state filtering reactive compensation cabinet comprises a cabinet body, with the cabinet body internally provided with a controller, a fling-cut switch, a compensation capacitor set, a fuse, and a breaker, wherein an external three-phase electrical network is connected with the controller; the controller is connected with the fling-cut switch; the fling-cut switch is connected with the compensation capacitor set; and the compensation capacitor set is connected with the external three-phase electrical network for forming a reactive power compensation return circuit. A current transformer and a voltage transformer are also arranged between the external three phase electrical network and the controller. The compensation capacitor set is also connected with an active electric power filter in serial, and a voice coil motor is arranged between the controller and the fling-cut switch. The voice coil motor is adopted for controlling the uniform flinging and cutting of a contactor. With the active electric power filter as the filtering apparatus, the precise flinging and cutting without inrush current is realized and the interference of the system harmonic wave is eliminated.
Description
Technical field
The utility model relates to power system reactive power power back-off equipment technical field, especially relates to static filter reactive compensation cabinet.
Background technology
Loadtype major part in the electric power system belongs to inductive load, adds generally electrification electronic equipment widely of electricity consumption enterprise, makes power factor of electric network lower.Lower power factor has reduced utilization rate of equipment and installations, has increased the power supply investment, has damaged quality of voltage, has reduced service life of equipment, has increased line loss greatly.In order to improve the energy waste and these unfavorable power supply factors of production that power factor of electric network lowly brings, power factor of electric network is effectively improved.If obvious these reactive powers all will be provided and transmitted at a distance by generator is irrational, also is impossible usually.Reasonable approach is exactly to produce reactive power in the place that needs reactive power, promptly increases reactive power compensating apparatus and device.
Yet, traditional contact capacitor box, because contactor is as the capacitor switching switch time, its folding lock action is too fast; Produced a large amount of shoving, also can bring a large amount of harmonic waves simultaneously, not only easy breakdown potential container; Produce electric arc, and can burn load, influence the safety of network system.
In view of the above problems, the utility model provides static filter reactive compensation cabinet, not only the no-flashy-flow phenomenon, switching response speed is fast, switching is accurate, and can also effectively eliminate system harmonics, well improves power grid quality, guarantees payload security.
The utility model content
The utility model technical problem to be solved is; Static filter reactive compensation cabinet is provided; This reactive power compensation cabinet adopts at the uniform velocity switching of voice coil motor control contactor, makes folding lock speed-controllable, and utilizes Active Power Filter-APF as filter; When realizing that accurate switching is useless and shoving, eliminated the interference of system harmonics again.
The utility model technical problem to be solved adopts following technical scheme to realize:
Static filter reactive compensation cabinet; Comprise a cabinet, include controller, fling-cut switch, compensation condenser group, fuse and circuit breaker in the said cabinet, extraneous three phase network and said controller join; Said controller links to each other with said fling-cut switch; Said fling-cut switch links to each other with said compensation condenser group, and said circuit breaker is arranged between extraneous three phase network and the said controller, and said fuse is arranged between said circuit breaker and the said controller; Said compensation condenser group is joined with extraneous three phase network and is formed the reactive power compensation loop; Between extraneous three phase network and said controller, also have additional current transformer and voltage transformer, be used for the electric current and the magnitude of voltage of Real-time and Dynamic sampling electrical network, and guarantee said controller secure; Between said controller and said fling-cut switch, also be provided with voice coil motor, said voice coil motor is in order to control at the uniform velocity switching of said fling-cut switch; Said compensation condenser group also is connected in series an Active Power Filter-APF, is used to reduce harmonic wave harm.
The quantity of said current transformer is three, to satisfy the current sample needs that three-phase is mended altogether.
Also be provided with alarm at said fuse.
The beneficial effect of the utility model is: adopt at the uniform velocity switching of voice coil motor control contactor; Make folding lock speed-controllable; And utilize Active Power Filter-APF as filter, when realizing that accurate switching is useless and shoving, eliminated the interference of system harmonics again.
Description of drawings
Fig. 1 is the utility model: the operation principle block diagram of static filter reactive compensation cabinet;
Fig. 2 is the utility model: the Facad structure sketch map the when front cabinet door of static filter reactive compensation cabinet is opened;
Fig. 3 is the utility model: the side structure sketch map of static filter reactive compensation cabinet.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and be easy to understand understanding with effect, below in conjunction with concrete diagram, further set forth the utility model.
With reference to Fig. 1-shown in Figure 3, static filter reactive compensation cabinet comprises cabinet 1, and parts installing rack 2 removably is installed in cabinet 1, and installing rack 2 is divided into four layers from top to bottom at least.Bottom at installing rack 2 is equipped with compensation condenser group 3, and compensation condenser group 3 forms by a plurality of capacitors are parallel with one another.Radiator 4 is installed above compensation condenser group 3, on radiator 4, removably is fixed with a plurality of fling-cut switches 5 and voice coil motor 6.Voice coil motor 6 is in order to control at the uniform velocity switching of fling-cut switch 5.Fling-cut switch 5 is corresponding being connected of capacitor in fling-cut switch and the compensation condenser group 3 of capacitor group 3 by way of compensation.One Active Power Filter-APF 7 is installed above radiator 4, and Active Power Filter-APF 7 is connected in series through circuit and compensation condenser group 3, to eliminate the adverse effect of mains by harmonics.Fuse 8 also is installed above Active Power Filter-APF 7; On fuse 8, also be removably fixed with alarm 9; Fuse 8 also is connected in series with compensation condenser group 3 through circuit; Fuse 8 and alarm 9 can be implemented safer protection to each the reactive power compensation loop in the compensation condenser group 3.One circuit breaker 10 also is installed above fuse 8; Three current transformers 11 and a voltage transformer 12 also are installed on circuit breaker 10, and wherein, the end of incoming cables of circuit breaker 10 and extraneous three phase network join; The output of circuit breaker 10 and fuse 8 join; Current transformer 11 detects sampling with voltage transformer 12 in order to electric current and magnitude of voltage in the real-time electrical network to external world, and through controller 20 excessive current and voltage is changed, to guarantee the safety of follow-up equipment.
Forward and backward door-plate also is installed on cabinet 1; Wherein, Go up before front door is divided into door-plate 13, preceding in door-plate 14 and preceding door-plate 15 down, three ammeters 16, a voltmeter 17 and a power-factor indicator 18 are installed, and door lock 19 on preceding on the door-plate 13; Wherein, three ammeters 16 link to each other with a voltage transformer 12 with three corresponding current transformers 11 respectively through data circuit with a voltmeter 17.Controller 20 and door lock 19 are installed on the door-plate in preceding; The end of incoming cables of controller 20 is connected with voltage transformer 12 with current transformer 11, and the leading-out terminal of controller 20 links to each other with fling-cut switch 5 with voice coil motor 6, in order to implement to sample rate current and voltage analysis computing, power factor (PF) parameter setting, measure, send triggering switching signal; Precisely drop into and excise action to control each fling-cut switch 5; Make system can not produce overvoltage and shove, and the voltage of control compensation capacitor group 3 does not need the capacitor discharge to drop into once more when equating with system voltage when dropping into capacitor; Capacitor can frequently be used, improve system's electricity quality.Offer capacitor group louvre 21 on the door-plate down preceding, be convenient to heat radiation.
The utility model adopt at the uniform velocity switching of voice coil motor control fling-cut switch, makes folding lock speed-controllable, and utilizes Active Power Filter-APF as filter, when realizing that accurate switching is useless and shoving, has eliminated the interference of system harmonics again.
More than show and described basic principle of the utility model and the advantage of principal character and the utility model.The technical staff of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the specification that the utility model just is described; Under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various changes and modifications, and these variations and improvement all fall in the utility model scope that requires protection.The utility model requires protection range to be defined by appending claims and equivalent thereof.
Claims (3)
1. static filter reactive compensation cabinet; Comprise a cabinet, include controller, fling-cut switch, compensation condenser group, fuse and circuit breaker in the said cabinet, extraneous three phase network and said controller join; Said controller links to each other with said fling-cut switch; Said fling-cut switch links to each other with said compensation condenser group, and said circuit breaker is arranged between extraneous three phase network and the said controller, and said fuse is arranged between said circuit breaker and the said controller; Said compensation condenser group is joined with extraneous three phase network and is formed the reactive power compensation loop; It is characterized in that: between extraneous three phase network and said controller, also have additional current transformer and voltage transformer, said compensation condenser group also is connected in series an Active Power Filter-APF, between said controller and said fling-cut switch, also is provided with voice coil motor.
2. static filter reactive compensation cabinet according to claim 1 is characterized in that: the quantity of said current transformer is three.
3. static filter reactive compensation cabinet according to claim 1 is characterized in that: also be provided with alarm at said fuse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201954521U CN202103427U (en) | 2011-06-10 | 2011-06-10 | Static state filtering reactive compensation cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201954521U CN202103427U (en) | 2011-06-10 | 2011-06-10 | Static state filtering reactive compensation cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202103427U true CN202103427U (en) | 2012-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201954521U Expired - Fee Related CN202103427U (en) | 2011-06-10 | 2011-06-10 | Static state filtering reactive compensation cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202103427U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103904663A (en) * | 2014-04-22 | 2014-07-02 | 张巍 | Active power quality comprehensive adjusting device and detection algorithm thereof |
| CN108736487A (en) * | 2018-04-20 | 2018-11-02 | 苏州中康电力开发有限公司 | Reactive power compensator |
-
2011
- 2011-06-10 CN CN2011201954521U patent/CN202103427U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103904663A (en) * | 2014-04-22 | 2014-07-02 | 张巍 | Active power quality comprehensive adjusting device and detection algorithm thereof |
| CN108736487A (en) * | 2018-04-20 | 2018-11-02 | 苏州中康电力开发有限公司 | Reactive power compensator |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120104 Termination date: 20170610 |