CN205377292U - Static reactive compensation harmonic cabinet - Google Patents
Static reactive compensation harmonic cabinet Download PDFInfo
- Publication number
- CN205377292U CN205377292U CN201620171455.4U CN201620171455U CN205377292U CN 205377292 U CN205377292 U CN 205377292U CN 201620171455 U CN201620171455 U CN 201620171455U CN 205377292 U CN205377292 U CN 205377292U
- Authority
- CN
- China
- Prior art keywords
- reactor
- silicon controlled
- controlled component
- cabinet
- filtering circuit
- 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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Classifications
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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
-
- 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
- Y02E40/40—Arrangements for reducing harmonics
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- Supply And Distribution Of Alternating Current (AREA)
Abstract
The utility model discloses a static reactive compensation harmonic cabinet, including the cabinet body, the internal main circuit breaker that is provided with of cabinet, this main circuit breaker are established ties on filtering circuit, and this filtering circuit includes a filtering circuit, the 2nd filtering circuit and the 3rd filtering circuit, and a filtering circuit goes up to establish ties has a current transformer, fourth current transformer, first circuit breaker, first silicon controlled rectifier subassembly and a tunable filter ware, the 2nd filtering circuit goes up to establish ties has the 2nd current transformer, the 5th current transformer, first circuit breaker, second silicon controlled rectifier subassembly and the 2nd tunable filter ware, the 3rd filtering circuit goes up to establish ties has the 3rd current transformer, the 6th current transformer, first circuit breaker, third silicon controlled rectifier subassembly and the 3rd tunable filter ware. This static reactive compensation harmonic cabinet is rational in infrastructure, can restrain effectively and administer the harmonic, guarantees quality of supply, reduces the line loss, and the reliability is high, and is small.
Description
Technical field
This utility model relates to a kind of static reactive power compensation harmonic wave cabinet, belongs to electric power project engineering field.
Background technology
Reactive power sets up the needs of electromagnetic field when being and work for those inductive loads, and carrys out a kind of power of transmission back between electric power networks and these equipment.Reactive power is the same with active power is indispensable ingredient in transmission and distribution network, reactive power to electric power system and load system properly functioning be highly important, be also required.Owing to electrical network existing substantial amounts of inductive load, so being accomplished by the reactive power that power supply department provides enough.If these reactive powers have electromotor (factory) send and be sent to required place by the transmission line of electricity of distance, this is clearly unreasonable, uneconomic, is actually also impossible.And to be also reasonably most efficient method be exactly need reactive power place or near generation (sending) reactive power, i.e. reactive power compensation.
Nonlinear load (such as speed-regulating actuator, converter, uninterrupted power source, dimming lamp, television set, electric arc furnace, electric welding machine, fluorescent lamp etc.) draws non-linear cycle electric current from electrical network, this non-linear current can be broken down into the Fundamental-frequency Current (fundamental frequency the is f=50Hz) electric current plus a series of fundamental frequency multiples (frequency is nf) by Fourier transform, will be above the electric current of fundamental frequency and be called harmonic current, title n is overtone order.
The harm of harmonic wave includes the rated current and the voltage that increase various electrical equipment, causes extra power attenuation therefrom, directly makes the efficiency of electrical equipment reduce；Hinder the normal operation of electricity equipment, cause added losses, reduce the service life of equipment so that it is lose normal discriminating power, time serious, also can cause the resonance phenomena in public electric wire net.
Utility model content
The purpose of this utility model is in that to solve the problems referred to above, it is provided that a kind of novel static reactive power compensation harmonic wave cabinet.
Static reactive power compensation harmonic wave cabinet described in the utility model includes cabinet, the first filter circuit, the second filter circuit and the 3rd filter circuit it is provided with in cabinet, wherein being in series with the first reactor and the 4th reactor on the first filter circuit, the 4th reactor is connected with the first end points of the first filter capacitor and the first end points of the second filter capacitor simultaneously；Being in series with the second reactor and the 5th reactor on second filter circuit, the 5th reactor is connected with the second end points of the first filter capacitor and the second end points of the second filter capacitor simultaneously；Being in series with the 3rd reactor and the 6th reactor on 3rd filter circuit, the 6th reactor is connected with the 3rd end points of the first filter capacitor and the 3rd end points of the second filter capacitor simultaneously；Also include the 7th reactor, the 8th reactor and the 9th reactor, one end of 7th reactor is connected between the first reactor and the 4th reactor, and the other end of the 7th reactor is connected with the first link of the first silicon controlled component and the first link of the second silicon controlled component simultaneously；Second link of this first silicon controlled component and the first link of the 3rd silicon controlled component connect；One end of 8th reactor is connected between the second reactor and the 5th reactor；The other end of the 8th reactor is connected between the first silicon controlled component and the 3rd silicon controlled component；One end of 9th reactor is connected between the 3rd reactor and the 6th reactor；The other end of the 9th reactor is connected with the second link of the 3rd silicon controlled component and the second link of the second silicon controlled component simultaneously；The first of first silicon controlled component controls end, the second the first control end and second controlling end, the first control end of the second silicon controlled component, the second control end and the 3rd silicon controlled component controls end and is connected with trigger respectively.
The first described reactor is connected on the first bus；The second described reactor is connected on the second bus；The 3rd described reactor 3 is connected on triple bus-bar.
Compared with prior art, technical solutions of the utility model provide the benefit that:
Static reactive power compensation harmonic wave cabinet described in the utility model is reasonable, it is possible to effectively suppresses and administers harmonic wave, absorbs harmonic current, it is ensured that power supply quality.
Accompanying drawing explanation
Fig. 1 is the circuit connection diagram of static reactive power compensation harmonic wave cabinet described in the utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical scheme in this utility model is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present utility model, rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under the premise not making creative work, broadly fall into the scope of this utility model protection.
As shown in Figure 1, static reactive power compensation harmonic wave cabinet described in the utility model includes cabinet (not shown), the first filter circuit, the second filter circuit and the 3rd filter circuit it is provided with in cabinet, wherein being in series with the first reactor 1 and the 4th reactor 4 on the first filter circuit, the 4th reactor 4 is connected with the first end points 101 of the first filter capacitor 10 and the first end points 1101 of the second filter capacitor 11 simultaneously；Being in series with the second reactor 2 and the 5th reactor 5 on second filter circuit, the 5th reactor 5 is connected with the second end points 102 of the first filter capacitor 10 and the second end points 1102 of the second filter capacitor 11 simultaneously；Being in series with the 3rd reactor 3 and the 6th reactor 6 on 3rd filter circuit, the 6th reactor 6 is connected with the 3rd end points 103 of the first filter capacitor 10 and the 3rd end points 1103 of the second filter capacitor 11 simultaneously；Also include the 7th reactor the 7, the 8th reactor 8 and the 9th reactor 9, one end of 7th reactor 7 is connected between the first reactor 1 and the 4th reactor 4, and the other end of the 7th reactor 7 is connected with the first link 1301 of the first silicon controlled component 13 and the first link 1501 of the second silicon controlled component 15 simultaneously；Second link 1302 of this first silicon controlled component 13 is connected with the first link 1401 of the 3rd silicon controlled component 14；One end of 8th reactor 8 is connected between the second reactor 2 and the 5th reactor 5；The other end of the 8th reactor 8 is connected between the first silicon controlled component 13 and the 3rd silicon controlled component 14；One end of 9th reactor 9 is connected between the 3rd reactor 3 and the 6th reactor 6；The other end of the 9th reactor 9 is connected with the second link 1402 of the 3rd silicon controlled component 14 and the second link 1502 of the second silicon controlled component 15 simultaneously；First control end 1303, second of the first silicon controlled component 13 controls first control end the 1503, second control end 1504 of end the 1304, second silicon controlled component 15 and the first of the 3rd silicon controlled component 14 controls end 1403 and the second control end 1404 is connected with trigger 12 respectively.
The first described reactor 1 is connected on the first bus L1；The second described reactor 2 is connected on the second bus L2；The 3rd described reactor 3 is connected on triple bus-bar L3.
In sum, being this utility model embodiment content, and obvious embodiment of the present utility model is not limited to that, it according to different application environment, can utilize functional realiey corresponding demand of the present utility model.
Claims (2)
1. a static reactive power compensation harmonic wave cabinet, including cabinet, it is characterized in that, the first filter circuit, the second filter circuit and the 3rd filter circuit it is provided with in cabinet, wherein being in series with the first reactor and the 4th reactor on the first filter circuit, the 4th reactor is connected with the first end points of the first filter capacitor and the first end points of the second filter capacitor simultaneously；Being in series with the second reactor and the 5th reactor on second filter circuit, the 5th reactor is connected with the second end points of the first filter capacitor and the second end points of the second filter capacitor simultaneously；Being in series with the 3rd reactor and the 6th reactor on 3rd filter circuit, the 6th reactor is connected with the 3rd end points of the first filter capacitor and the 3rd end points of the second filter capacitor simultaneously；Also include the 7th reactor, the 8th reactor and the 9th reactor, one end of 7th reactor is connected between the first reactor and the 4th reactor, and the other end of the 7th reactor is connected with the first link of the first silicon controlled component and the first link of the second silicon controlled component simultaneously；Second link of this first silicon controlled component and the first link of the 3rd silicon controlled component connect；One end of 8th reactor is connected between the second reactor and the 5th reactor；The other end of the 8th reactor is connected between the first silicon controlled component and the 3rd silicon controlled component；One end of 9th reactor is connected between the 3rd reactor and the 6th reactor；The other end of the 9th reactor is connected with the second link of the 3rd silicon controlled component and the second link of the second silicon controlled component simultaneously；The first of first silicon controlled component controls end, the second the first control end and second controlling end, the first control end of the second silicon controlled component, the second control end and the 3rd silicon controlled component controls end and is connected with trigger respectively.
2. static reactive power compensation harmonic wave cabinet according to claim 1, it is characterised in that the first described reactor is connected on the first bus；The second described reactor is connected on the second bus；The 3rd described reactor is connected on triple bus-bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620171455.4U CN205377292U (en) | 2016-03-07 | 2016-03-07 | Static reactive compensation harmonic cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620171455.4U CN205377292U (en) | 2016-03-07 | 2016-03-07 | Static reactive compensation harmonic cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205377292U true CN205377292U (en) | 2016-07-06 |
Family
ID=56265158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620171455.4U Expired - Fee Related CN205377292U (en) | 2016-03-07 | 2016-03-07 | Static reactive compensation harmonic cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205377292U (en) |
-
2016
- 2016-03-07 CN CN201620171455.4U patent/CN205377292U/en not_active Expired - Fee Related
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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: 20160706 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |