CN106058895A - Reactive power compensator - Google Patents
Reactive power compensator Download PDFInfo
- Publication number
- CN106058895A CN106058895A CN201610634765.XA CN201610634765A CN106058895A CN 106058895 A CN106058895 A CN 106058895A CN 201610634765 A CN201610634765 A CN 201610634765A CN 106058895 A CN106058895 A CN 106058895A
- Authority
- CN
- China
- Prior art keywords
- electric capacity
- inductance
- reactive power
- diode
- capacitor
- 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.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/06—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
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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
Abstract
The invention discloses a reactive power compensator. The compensator comprises an AC power supply Vi, a full wave rectification circuit, a reactive compensation circuit and a DC power supply Vo which are connected successively; the reactive compensation circuit comprises a third inductor L3, a second capacitor C2 and a third capacitor C3; the second capacitor C2 is connected in parallel with a bridge-type rectification circuit; the third inductor L3 and the third capacitor C3 are connected in series and then connected to the second capacitor C2 in parallel; the second capacitor C2 is a high-frequency capacitor; and the third capacitor C3 is a low-frequency capacitor. The disclosed reactive power compensator is simple in structure and reasonable in design, can realize low-capacity reactive power compensation, improves the voltage quality and reduces line loss.
Description
Technical field
The present invention relates to compensation device, especially a kind of reactive power compensator.
Background technology
Reactive power is that some equipment is for setting up the power of electromagnetic field.This power kvar (kilovar) represents.Consume
Reactive power is the feature of the electrical equipment (mainly motor and transformator) of the response characteristic utilizing alternating electromagnetic field.Idle
Power is different from the active power being converted into merit and heat represented with kW (kilowatt).The gross electric capacity of equipment is the two power
The phasor difference of component (idle and meritorious), is referred to as apparent energy.This phenomenon of reactive power is to low pressure and high-voltage fence
Can have significant impact.The equipment of energy storage caused due to the produced magnetic field of electric current flowing is referred to as absorbing idle merit
Rate, and the equipment of energy storage caused due to electric field is referred to as producing reactive power.That must control modestly to gain merit and nothing
The power stream of merit, in order to make power system can run within acceptable voltage limit.Reactive power flow can cause quite
The big voltage across system changes, it means that must safeguard reactive power equilibrium.Reactive power compensation is in power system
Run during having unexpectedly incident in power system and maintain the basic function in acceptable voltage level.
Summary of the invention
To achieve these goals, the invention provides following proposal:
A kind of reactive power compensator, including alternating current power supply Vi, full-wave rectifying circuit, reactive power compensation circuit and DC source
Vo, described alternating current power supply Vi, described full-wave rectifying circuit, described reactive power compensation circuit and described DC source Vo are sequentially connected with；
Described full-wave rectifying circuit include the first inductance L1, the second inductance L2, the first electric capacity C1, the first diode D1,
Two diode D2, the 3rd diode D3 and the 4th diode D4, described first diode D1, described second diode D2, described
3rd diode D3 and described 4th diode D4 forms bridge rectifier, described alternating current power supply Vi, described first inductance L1
It is connected with described bridge rectifier with after described second inductance L2 series connection, one end of described first electric capacity C1 and described first electricity
The common port of sense L1 and described second inductance L2 connects, and the other end of described first electric capacity C1 is with described bridge rectifier even
Connect；
Described reactive power compensation circuit includes the 3rd inductance L3, the second electric capacity C2 and the 3rd electric capacity C3, described second electric capacity C2
In parallel with described bridge rectifier, after described 3rd inductance L3 and described 3rd electric capacity C3 series connection with described second electric capacity C2 also
Connection, described DC source Vo is connected with the common port of described 3rd inductance L3 and described 3rd electric capacity C3.
Preferably, described second electric capacity C2 is high frequency capacitance, and the size of described second electric capacity C2 is 39 microfarads.
Preferably, described 3rd electric capacity C3 is low frequency capacitive, and the size of described 3rd electric capacity C3 is 470 nanofarads.
The beneficial effect that the present invention produces:
Reactive power compensator disclosed in this invention, simple in construction, reasonable in design, it is possible to realize the reactive power of low capacity
Compensate, improve quality of voltage, reduce line loss.
Accompanying drawing explanation
Fig. 1 is the composition structural representation of the reactive power compensator of the present invention.
In figure:
Full-wave rectifying circuit 1, reactive power compensation circuit 2.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the detailed description of the invention of the present invention is described in further detail.
Reactive power compensator as shown in Figure 1, including alternating current power supply Vi, full-wave rectifying circuit 1, reactive power compensation circuit 2 and
DC source Vo, described alternating current power supply Vi, described full-wave rectifying circuit 1, described reactive power compensation circuit 2 and described DC source Vo
It is sequentially connected with；
Described full-wave rectifying circuit 1 include the first inductance L1, the second inductance L2, the first electric capacity C1, the first diode D1,
Two diode D2, the 3rd diode D3 and the 4th diode D4, described first diode D1, described second diode D2, described
3rd diode D3 and described 4th diode D4 forms bridge rectifier, described alternating current power supply Vi, described first inductance L1
It is connected with described bridge rectifier with after described second inductance L2 series connection, one end of described first electric capacity C1 and described first electricity
The common port of sense L1 and described second inductance L2 connects, and the other end of described first electric capacity C1 is with described bridge rectifier even
Connect；
Described reactive power compensation circuit 2 includes the 3rd inductance L3, the second electric capacity C2 and the 3rd electric capacity C3, described second electric capacity C2
In parallel with described bridge rectifier, after described 3rd inductance L3 and described 3rd electric capacity C3 series connection with described second electric capacity C2 also
Connection, described DC source Vo is connected with the common port of described 3rd inductance L3 and described 3rd electric capacity C3, described second electric capacity C2
For high frequency capacitance, the size of described second electric capacity C2 is 39 microfarads；Described 3rd electric capacity C3 is low frequency capacitive, described 3rd electric capacity
The size of C3 is 470 nanofarads.
Reactive power compensator disclosed in this invention, simple in construction, reasonable in design, it is possible to realize the reactive power of low capacity
Compensate, improve quality of voltage, reduce line loss.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For Yuan, on the premise of without departing from the technology of the present invention principle, it is also possible to make some improvement, these improvement also should be regarded as this
Bright protection domain.
Claims (3)
1. a reactive power compensator, it is characterised in that: include alternating current power supply Vi, full-wave rectifying circuit 1, reactive power compensation circuit 2
With DC source Vo, described alternating current power supply Vi, described full-wave rectifying circuit 1, described reactive power compensation circuit 2 and described DC source
Vo is sequentially connected with；
Described full-wave rectifying circuit 1 include the first inductance L1, the second inductance L2, the first electric capacity C1, the first diode D1, the two or two
Pole pipe D2, the 3rd diode D3 and the 4th diode D4, described first diode D1, described second diode D2, the described 3rd
Diode D3 and described 4th diode D4 forms bridge rectifier, described alternating current power supply Vi, described first inductance L1 and institute
It is connected with described bridge rectifier after stating the second inductance L2 series connection, one end of described first electric capacity C1 and described first inductance L1
Connecting with the common port of described second inductance L2, the other end of described first electric capacity C1 is connected with described bridge rectifier；
Described reactive power compensation circuit 2 includes the 3rd inductance L3, the second electric capacity C2 and the 3rd electric capacity C3, described second electric capacity C2 and institute
State bridge rectifier in parallel, in parallel with described second electric capacity C2 after described 3rd inductance L3 and described 3rd electric capacity C3 series connection,
Described DC source Vo is connected with the common port of described 3rd inductance L3 and described 3rd electric capacity C3.
Reactive power compensator the most according to claim 1, it is characterised in that: described second electric capacity C2 is high frequency capacitance, institute
The size stating the second electric capacity C2 is 39 microfarads.
Reactive power compensator the most according to claim 1, it is characterised in that: described 3rd electricity C3 is low frequency capacitive, described
The size of the 3rd electric capacity C3 is 470 nanofarads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610634765.XA CN106058895A (en) | 2016-08-04 | 2016-08-04 | Reactive power compensator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610634765.XA CN106058895A (en) | 2016-08-04 | 2016-08-04 | Reactive power compensator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106058895A true CN106058895A (en) | 2016-10-26 |
Family
ID=57480247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610634765.XA Pending CN106058895A (en) | 2016-08-04 | 2016-08-04 | Reactive power compensator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106058895A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1249561A (en) * | 1999-04-29 | 2000-04-05 | 深圳市华为电气股份有限公司 | Three-phase bridge-type rectifier |
| CN102118906A (en) * | 2010-01-04 | 2011-07-06 | 叶明宝 | DC supply mode of LED street lamp |
| WO2014138564A2 (en) * | 2013-03-07 | 2014-09-12 | Rudolf Limpaecher | Method and system for a high speed soft-switching resonant converter |
-
2016
- 2016-08-04 CN CN201610634765.XA patent/CN106058895A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1249561A (en) * | 1999-04-29 | 2000-04-05 | 深圳市华为电气股份有限公司 | Three-phase bridge-type rectifier |
| CN102118906A (en) * | 2010-01-04 | 2011-07-06 | 叶明宝 | DC supply mode of LED street lamp |
| WO2014138564A2 (en) * | 2013-03-07 | 2014-09-12 | Rudolf Limpaecher | Method and system for a high speed soft-switching resonant converter |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161026 |