CN106451483A - Double-fed wind turbine generator-based wind power plant reactive compensation apparatus and control method - Google Patents
Double-fed wind turbine generator-based wind power plant reactive compensation apparatus and control method Download PDFInfo
- Publication number
- CN106451483A CN106451483A CN201610619567.6A CN201610619567A CN106451483A CN 106451483 A CN106451483 A CN 106451483A CN 201610619567 A CN201610619567 A CN 201610619567A CN 106451483 A CN106451483 A CN 106451483A
- Authority
- CN
- China
- Prior art keywords
- net side
- side transverter
- formula
- double
- transverter
- 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.)
- Pending
Links
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
- H02J3/1821—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
-
- 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
- Y02E40/10—Flexible AC transmission systems [FACTS]
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
The invention discloses a double-fed wind turbine generator-based wind power plant reactive compensation apparatus and a control method. The wind power plant reactive compensation apparatus comprises a direct current bus, a direct current bus selector switch, a direct current bus capacitor, a grid side current converter, a current conversion controller of the grid side current converter, an SVG controller, a double-fed wind turbine generator control system and a machine side converter. 1, The grid side current converter is transformed into the SVG, so that the double-fed wind turbine generator can run based on a normal mode and also can be used as the SVG when the wind turbine generator is in machine halt in a wind-power-abandonment mode; therefore, the dynamic reactive compensation equipment capacity when the wind power plant is in a thermal standby state is correspondingly increased, and the capability of handling power grid voltage fluctuation of the wind power plant is improved; and 2, the utilization rate of the grid side current converter of the wind turbine generator is improved under not high transforming cost, so that the construction investment of the reactive compensation apparatus can be correspondingly lowered.
Description
Technical field：
The invention belongs to technical field of wind power generation, it is reactive power compensator, be based on the double-fed fan motor unit net side change of current
Device or the Reactive Compensation in Wind Farm device with analog structure.
Technical background：
Because China's electrical network is dissolved the limited in one's ability of wind-powered electricity generation, often wind-abandoning phenomenon in wind energy turbine set.Wind energy turbine set when abandoning wind,
Often adopt a part of compressor emergency shutdown, the method for operation of a part of unit work.If the wind-powered electricity generation being in stopped status can be set
The standby effect being used, then can playing raising utilization rate of equipment and installations.
The circuit structure of the net side transverter, dc bus and electric capacity of double-fed fan motor unit is (as dotted line inclusion region in Fig. 1
Shown) similar to the circuit structure of voltage bridge-type static reacance generator (hereinafter referred to as SVG), therefore can be by dotted portion
The control system of circuit and net side transverter improves, and is transformed into SVG and uses.Thus realizing double-fed fan motor unit
Run in the usual way, can run by SVG mode in the case of blower fan is stopped transport again.So not only can improve the utilization of wind power equipment
Rate, can increase the capacity of the dynamic passive compensation equipment being in hot stand-by duty in wind energy turbine set again, and then improve wind energy turbine set
The ability of reply voltage ripple of power network.
Content of the invention：
Goal of the invention：
It is an object of the invention to solving the problems, such as double-fed fan motor unit because abandoning the idleness of equipment becalmed machine and lead to.Make double-fed
Wind turbines, when generator is stopped transport, can be made exclusively for reacance generator and carry out reactive-load compensation for wind energy turbine set, thus improving wind-powered electricity generation
Utilization rate of equipment and installations.Meanwhile moreover it is possible to play the appearance increasing the dynamic passive compensation equipment being in hot stand-by duty in wind energy turbine set
Amount, improves the effect that wind energy turbine set tackles voltage ripple of power network ability.
Technical scheme：
A kind of Reactive Compensation in Wind Farm device based on double-fed wind generator unit net side transverter, its this device includes direct current
Bus, dc bus switching switch, dc-link capacitance, net side transverter, the inverter controller of net side transverter, SVG control
Device, double-fed fan motor unit control system and pusher side transverter；Described dc bus one end is connected with pusher side transverter, the other end
It is connected with net side transverter, dc-link capacitance is contained in the position between pusher side transverter and net side transverter, dc bus electricity
Hold and be connected between two dc bus, dc bus switching switch is contained in pusher side transverter and dc bus electricity on positive and negative bus
Between appearance, after the described inverter controller of net side transverter and the parallel connection of SVG controller, one end is connected with net side transverter, another
End is connected with double-fed fan motor unit control system, and double-fed fan motor unit control system is also connected with dc bus switching switch.
Pusher side transverter connects generator, generator connecting fan impeller, and net side transverter connects box step-up transformer,
Net side transverter connects to generator also by generator unit stator power output line.
When blower fan is in stopped status, net side transverter and dc-link capacitance cooperation form static reacance generator.
Net side transverter is configured with the different control of two functions of inverter controller and SVG controller of net side transverter
Device.
When net side transverter is as static reacance generator, net side transverter is controlled by SVG controller.
Double-fed fan motor unit control system connects wind energy turbine set master control system.
Additionally, two controllers are also connected with the control system of double-fed fan motor unit respectively and are controlled.Double-fed fan motor
The control system of unit selects to the working method of net side converter Control system according to operating states of the units：When unit just
When often generating electricity, net side transverter is controlled to run by inverter controller, net side transverter works in commutating mode；When unit is due to abandoning
When wind leads to shut down, disconnect dc bus switching switch, control net side transverter to run by SVG controller, net side transverter work
Make in SVG pattern.
Concrete control strategy for net side controller is：
Double-fed fan motor unit sets current operational mode by wind energy turbine set master control system, switches net side according to operational mode and changes
Stream device controller simultaneously controls cut-offfing of switching switch.
Described Converter controller is the controller using when Wind turbines normally run.
Shown in its governing equation such as formula (1)：
In formula：LgFor the inductance of net side transverter series connection, ugdFor the direct-axis component of line voltage, ud、uqFor net side transverter
The d-axis of voltage, quadrature axis component, are d-axis, the quadrature axis component of net side Inverter circuit, ωsFor synchronous angular velocity, kipFor electric current
The proportion adjustment gain of inner ring, kilFor the integral adjustment gain of current inner loop, kupFor the proportion adjustment gain of outer voltage, kul
For the integral adjustment gain of outer voltage, the amount with ref in footmark is the reference value of certain amount.
Described SVG controller is that during compressor emergency shutdown, net side transverter operates in the controller using during SVG pattern.
Control strategy in described SVG controller comprises：1) shown in converter Control equation such as formula (1)；2) calculate
The algorithm of reactive-load compensation current reference value in formula (1).
The algorithm of described calculating reactive-load compensation current reference value is as described below：
First determine whether set grid-connection point voltage whether within the scope of requiring.
When the grid-connected point voltage of double-fed fan motor unit is in claimed range, first by phaselocked loop obtain set grid-connection point power because
Number angleAnd it is calculated power factorRecord amplitude I of set grid-connection point electric current afterwardss.Try to achieve three by formula (2) again
Reference value I of the reactive-load compensation current amplitude under phase rest frameref.
In formula：λrefFor set grid-connection point power factor reference value, by wind energy turbine set, operations staff gives, and fixes after giving more
Constant.
Obtain reference value i of reactive-load compensation electric current under three-phase static coordinate system again by formula (3)ref.In formulaTried to achieve by set end voltage synchronizing signal cos ω t, this signal is mutually obtained by locking.
In formula：For the power-factor angle reference value of set grid-connection point, by the λ in formula (2)refTry to achieve through anticosine.
Finally the reference value under three-phase static coordinate system is changed into the idle electricity under two-phase rotating coordinate system through coordinate transform
Stream reference value iqref.
When the grid-connected point voltage of double-fed fan motor unit is beyond claimed range, first set grid-connection point power is obtained by phaselocked loop
Factor angleAnd it is calculated power factorRecord amplitude I of set grid-connection point electric current afterwardss.Afterwards by formula (4)
Or formula (5) tries to achieve reference value I of the reactive-load compensation current amplitude under three-phase static coordinate systemref.Wherein, formula (4) is voltage
Get over the computing formula during upper limit, formula (5) gets over computing formula during lower limit for voltage.
In formula：UsAmplitude for set grid-connection point voltage；UmaxIt is the system voltage upper limit；UminIt is system voltage lower limit.
Finally the reference value under three-phase static coordinate system is changed into the idle electricity under two-phase rotating coordinate system through coordinate transform
Stream reference value iref.
If net side transverter operates in SVG pattern and dc-link capacitance existing capacity cannot meet the damage of net side transverter
Time-consuming, by formula (6), capacitance can be recalculated, and dc-link capacitance is changed.
In formula：For bus capacitor power output；α is busbar voltage landing percentage；K is Margin coefficient, according to net
Depending on the active loss situation of side transverter.
Advantageous effect：
Advantage of the present invention and good effect are：1. the present invention, by net side transverter is transformed into SVG, makes double-fed fan motor machine
Group can be run in the usual way, can use as SVG in the case that machine of becalming abandoned by blower fan again.Accordingly increase wind energy turbine set
It is in the capacity of the dynamic passive compensation equipment of hot stand-by duty, improve wind energy turbine set reply voltage ripple of power network ability.2.
Invention, in the case that improvement expenses is not high, improves the utilization rate of Wind turbines net side transverter, can accordingly reduce construction no
The investment of Reactive power compensation installations.
Brief description：
Fig. 1 is double-fed fan motor unit main electrical scheme and the control principle drawing of the present invention.
In figure：1 dc bus；2 dc bus switching switches；3 dc-link capacitances；4 net side transverters；
5 inverter controllers；6 SVG controllers；7 double-fed fan motor unit control systems；8 wind energy turbine set master control systems；9 pusher sides
Transverter；10 impellers；11 generators；12 box step-up transformers, 13 generator unit stator power output lines.
Specific embodiment：
The invention will be further described below in conjunction with the accompanying drawings, and following examples are descriptive, is not determinate,
Protection scope of the present invention can not be limited with this.
As shown in figure 1, a kind of Reactive Compensation in Wind Farm device based on double-fed wind generator unit net side transverter, this device
Including dc bus 1, dc bus switch switch 2, dc-link capacitance 3, net side transverter 4, net side transverter change of current control
Device 5 processed, SVG controller 6, double-fed fan motor unit control system 7 and pusher side transverter 9；Described dc bus 1 one end and pusher side
Transverter 9 is connected, and the other end is connected with net side transverter 4, and dc-link capacitance 3 is contained in pusher side transverter 9 and net side transverter 4
Between position, dc-link capacitance 3 is connected between two dc bus, and dc bus switching switch 2 is contained on positive and negative bus
Between pusher side transverter 9 and dc-link capacitance 3, the described inverter controller 5 of net side transverter and SVG controller 6 are in parallel
One end is connected with net side transverter 4 afterwards, and the other end is connected with double-fed fan motor unit control system 7, and double-fed fan motor unit controls
System 7 is also connected with dc bus switching switch 2.
Pusher side transverter 9 connects generator 11, generator 11 connecting fan impeller 10, and net side transverter 4 connects box liter
Pressure transformer 12, net side transverter 4 connects to generator 11 also by generator unit stator power output line.
When blower fan is in stopped status, net side transverter 4 and dc-link capacitance 3 cooperation form static reacance generator.
Net side transverter is configured with the different control of two functions of inverter controller and SVG controller of net side transverter
Device.
When net side transverter 4 is as static reacance generator, net side transverter is controlled by SVG controller 6.
Double-fed fan motor unit control system 7 connects wind energy turbine set master control system 8.
The working method of described net side transverter is selected according to operating states of the units by double-fed fan motor unit control system 7
Select：When unit normal power generation, net side transverter is controlled to run by inverter controller 5 by normal change of current requirement, unit is externally defeated
Go out active power and reactive power；When unit stops generating electricity, disconnect dc bus switching switch 2, switch to by SVG controller
6 control net side transverter to run, and net side transverter is changed into the outside output reactive power of SVG.
Concrete control strategy for net side controller is：
Double-fed fan motor unit sets current operational mode by wind energy turbine set master control system, switches net side according to operational mode and changes
Stream device controller simultaneously controls cut-offfing of switching switch.
Described Converter controller is the controller using when Wind turbines normally run.
Shown in its governing equation such as formula (1)：
In formula：LgFor the inductance of net side transverter series connection, ugdFor the direct-axis component of line voltage, ud、uqFor net side transverter
The d-axis of voltage, quadrature axis component, are d-axis, the quadrature axis component of net side Inverter circuit, ωsFor synchronous angular velocity, kipFor electric current
The proportion adjustment gain of inner ring, kilFor the integral adjustment gain of current inner loop, kupFor the proportion adjustment gain of outer voltage, kul
For the integral adjustment gain of outer voltage, the amount with ref in footmark is the reference value of certain amount.
Described SVG controller is that during compressor emergency shutdown, net side transverter operates in the controller using during SVG pattern.
Control strategy in described SVG controller comprises：1) shown in converter Control equation such as formula (1)；2) calculate
The algorithm of reactive-load compensation current reference value in formula (1).
The algorithm of described calculating reactive-load compensation current reference value is as described below：
First determine whether set grid-connection point voltage whether within the scope of requiring.
When the grid-connected point voltage of double-fed fan motor unit is in claimed range, first by phaselocked loop obtain set grid-connection point power because
Number angleAnd it is calculated power factorRecord amplitude I of set grid-connection point electric current afterwardss.Try to achieve three by formula (2) again
Reference value I of the reactive-load compensation current amplitude under phase rest frameref.
In formula：λrefFor set grid-connection point power factor reference value, by wind energy turbine set, operations staff gives, and fixes after giving more
Constant.
Obtain reference value i of reactive-load compensation electric current under three-phase static coordinate system again by formula (3)ref.In formulaTried to achieve by set end voltage synchronizing signal cos ω t, this signal is mutually obtained by locking.
In formula：For the power-factor angle reference value of set grid-connection point, by the λ in formula (2)refTry to achieve through anticosine.
Finally the reference value under three-phase static coordinate system is changed into the idle electricity under two-phase rotating coordinate system through coordinate transform
Stream reference value iqref.
When the grid-connected point voltage of double-fed fan motor unit is beyond claimed range, first set grid-connection point power is obtained by phaselocked loop
Factor angleAnd it is calculated power factorRecord amplitude I of set grid-connection point electric current afterwardss.Afterwards by formula (4) or
Formula (5) tries to achieve reference value I of the reactive-load compensation current amplitude under three-phase static coordinate systemref.Wherein, formula (4) is got over for voltage
The computing formula during upper limit, formula (5) gets over computing formula during lower limit for voltage.
In formula：UsAmplitude for set grid-connection point voltage；UmaxIt is the system voltage upper limit；UminIt is system voltage lower limit.
Finally the reference value under three-phase static coordinate system is changed into the idle electricity under two-phase rotating coordinate system through coordinate transform
Stream reference value iqref.
If net side transverter operates in SVG pattern and dc-link capacitance existing capacity cannot meet the damage of net side transverter
Time-consuming, by formula (6), capacitance can be recalculated, and dc-link capacitance is changed.
In formula：For bus capacitor power output；A is busbar voltage landing percentage；K is Margin coefficient, according to net
Depending on the active loss situation of side transverter.
Transformation to double-fed fan motor unit converter circuit, is only to increase one group of dc bus switching switch, even if needing
Dc-link capacitance to be changed also is only the lifting to capacity, there is not technical problem.And the SVG controller newly increasing,
There is not design and the difficulty manufacturing.
If newly-built wind energy turbine set, can directly adopt this technology in design.
If old wind energy turbine set, can undergo technological transformation in device upgrade or renewal.
Although disclosing embodiments of the invention and accompanying drawing for the purpose of illustration, those skilled in the art can manage
Solution：Without departing from the present invention and spirit and scope of the appended claims, various replacements, to change and modifications be all possible,
Therefore, the scope of the present invention is not limited to embodiment and accompanying drawing disclosure of that.
Claims (10)
1. a kind of Reactive Compensation in Wind Farm device based on double-fed wind generator unit net side transverter it is characterised in that：This device
Including dc bus (1), dc bus switching switch (2), dc-link capacitance (3), net side transverter (4), net side transverter
Inverter controller (5), SVG controller (6), double-fed fan motor unit control system (7) and pusher side transverter (9)；Described is straight
Stream bus (1) one end is connected with pusher side transverter (9), and the other end is connected with net side transverter (4), and dc-link capacitance (3) fills
Position between pusher side transverter (9) and net side transverter (4), dc-link capacitance (3) is connected between two dc bus,
Dc bus switching switch (2) is contained on positive and negative bus between pusher side transverter (9) and dc-link capacitance (3), described net
The inverter controller (5) of side transverter and SVG controller (6) parallel connection after one end is connected with net side transverter (4), the other end and pair
Feedback control system of wind turbines (7) is connected, and double-fed fan motor unit control system (7) is also with dc bus switching switch (2) even
Connect.
2. the Reactive Compensation in Wind Farm device based on double-fed wind generator unit net side transverter according to claim 1, its
It is characterised by：Pusher side transverter (9) connects generator (11), generator (11) connecting fan impeller (10), net side transverter (4)
Connect box step-up transformer (12), net side transverter (4) connects to generator also by generator unit stator power output line
(11).
3. the Reactive Compensation in Wind Farm device based on double-fed wind generator unit net side transverter according to claim 2, its
It is characterised by：When blower fan is in stopped status, net side transverter (4) and dc-link capacitance (3) cooperation composition static reacance are sent out
Raw device.
4. the Reactive Compensation in Wind Farm dress based on double-fed wind generator unit net side transverter according to claim 1,2 or 3
Put it is characterised in that：When net side transverter (4) is as static reacance generator, net side transverter is controlled by SVG controller (6).
5. the Reactive Compensation in Wind Farm device based on double-fed wind generator unit net side transverter according to claim 1, its
It is characterised by：Double-fed fan motor unit control system (7) connects wind energy turbine set master control system (8).
6. utilize the Reactive Compensation in Wind Farm device institute based on double-fed wind generator unit net side transverter described in claim 1 real
The control method applied it is characterised in that：Using net side transverter by double-fed fan motor unit control system (7) according to unit operation shape
State is selected：When unit normal power generation, net side transverter is controlled to run by inverter controller 5 by normal change of current requirement, machine
Organize external active power of output and reactive power；When unit stops generating electricity, disconnect dc bus switching switch (2), switch to
Control net side transverter to run by SVG controller (6), net side transverter is changed into the outside output reactive power of SVG.
7. control method according to claim 6 it is characterised in that：
Concrete control strategy for net side controller is：
Double-fed fan motor unit sets current operational mode by wind energy turbine set master control system, switches net side transverter according to operational mode
Controller simultaneously controls cut-offfing of switching switch；
Described Converter controller is the controller using when Wind turbines normally run；
Shown in its governing equation such as formula (1)：
In formula：LgFor the inductance of net side transverter series connection, ugdFor the direct-axis component of line voltage, ud、uqFor net side transverter voltage
D-axis, quadrature axis component, be d-axis, the quadrature axis component of net side Inverter circuit, ωsFor synchronous angular velocity, kipFor current inner loop
Proportion adjustment gain, kilFor the integral adjustment gain of current inner loop, kupFor the proportion adjustment gain of outer voltage, kulFor electricity
The integral adjustment gain of pressure outer shroud, the amount with ref in footmark is the reference value of certain amount.
8. control method according to claim 7 it is characterised in that：Described SVG controller is net side during compressor emergency shutdown
Transverter operates in the controller using during SVG pattern.
9. control method according to claim 8 it is characterised in that：Control strategy in described SVG controller comprises：
1) shown in converter Control equation such as formula (1)；2) in computing formula (1) reactive-load compensation current reference value algorithm.
10. control method according to claim 9 it is characterised in that：
The algorithm of described calculating reactive-load compensation current reference value is as described below：
First determine whether set grid-connection point voltage whether within the scope of requiring；
When the grid-connected point voltage of double-fed fan motor unit is in claimed range, first set grid-connection point power-factor angle is obtained by phaselocked loop, and it is calculated power factorRecord amplitude I of set grid-connection point electric current afterwardss；Again three-phase is tried to achieve by formula (2) quiet
Only reference value I of the reactive-load compensation current amplitude under coordinate systemref；
In formula：λrefFor set grid-connection point power factor reference value, by wind energy turbine set, operations staff gives, and immobilizes after giving more；
Obtain reference value i of reactive-load compensation electric current under three-phase static coordinate system again by formula (3)ref；In formula
Tried to achieve by set end voltage synchronizing signal cos ω t, this signal is mutually obtained by locking；
In formula：For the power-factor angle reference value of set grid-connection point, by the λ in formula (2)refTry to achieve through anticosine；
Finally the reference value under three-phase static coordinate system is changed into the reactive current ginseng under two-phase rotating coordinate system through coordinate transform
Examine value iqref；
When the grid-connected point voltage of double-fed fan motor unit is beyond claimed range, first set grid-connection point power factor is obtained by phaselocked loop
AngleAnd it is calculated power factorRecord amplitude I of set grid-connection point electric current afterwardss；Afterwards by formula (4) or formula
(5) try to achieve reference value I of the reactive-load compensation current amplitude under three-phase static coordinate systemref；Wherein, formula (4) is Over High-Limit Voltage
When computing formula, formula (5) for voltage get over lower limit when computing formula；
In formula：UsAmplitude for set grid-connection point voltage；UmaxIt is the system voltage upper limit；UminIt is system voltage lower limit；
Finally the reference value under three-phase static coordinate system is changed into the reactive current ginseng under two-phase rotating coordinate system through coordinate transform
Examine value iqref；
If net side transverter operates in SVG pattern and dc-link capacitance existing capacity cannot meet the loss of net side transverter
When, by formula (6), capacitance can be recalculated, and dc-link capacitance is changed；
In formula：For bus capacitor power output；α is busbar voltage landing percentage；K is Margin coefficient, is changed according to net side
Depending on the active loss situation of stream device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610619567.6A CN106451483A (en) | 2016-08-01 | 2016-08-01 | Double-fed wind turbine generator-based wind power plant reactive compensation apparatus and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610619567.6A CN106451483A (en) | 2016-08-01 | 2016-08-01 | Double-fed wind turbine generator-based wind power plant reactive compensation apparatus and control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106451483A true CN106451483A (en) | 2017-02-22 |
Family
ID=58184422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610619567.6A Pending CN106451483A (en) | 2016-08-01 | 2016-08-01 | Double-fed wind turbine generator-based wind power plant reactive compensation apparatus and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106451483A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10581247B1 (en) | 2019-05-06 | 2020-03-03 | General Electric Company | System and method for reactive power control of wind turbines in a wind farm supported with auxiliary reactive power compensation |
| CN111211565A (en) * | 2020-02-25 | 2020-05-29 | 西南交通大学 | Wind power plant voltage stabilizing method based on cooperation of DFIG and SVG |
| US10790668B1 (en) | 2019-05-06 | 2020-09-29 | General Electric Company | Method for reactive power oscillation damping for a wind turbine system with integrated reactive power compensation device |
| US11056884B2 (en) | 2019-05-06 | 2021-07-06 | General Electric Company | Wind turbine system with integrated reactive power compensation device |
| US11152787B2 (en) | 2020-01-10 | 2021-10-19 | General Electric Company | System of modular reactive power compensators |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102769295A (en) * | 2012-08-02 | 2012-11-07 | 济南轨道交通装备有限责任公司 | Static reactive compensation system and method of wind power converter |
| CN105098833A (en) * | 2015-08-12 | 2015-11-25 | 国网山东省电力公司电力科学研究院 | Asynchronous constant speed wind turbine system for micro grid and working method thereof |
| CN205882720U (en) * | 2016-08-01 | 2017-01-11 | 郭权利 | Wind -powered electricity generation field reactive power compensator based on double -fed wind turbine generator system net side transverter |
-
2016
- 2016-08-01 CN CN201610619567.6A patent/CN106451483A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102769295A (en) * | 2012-08-02 | 2012-11-07 | 济南轨道交通装备有限责任公司 | Static reactive compensation system and method of wind power converter |
| CN105098833A (en) * | 2015-08-12 | 2015-11-25 | 国网山东省电力公司电力科学研究院 | Asynchronous constant speed wind turbine system for micro grid and working method thereof |
| CN205882720U (en) * | 2016-08-01 | 2017-01-11 | 郭权利 | Wind -powered electricity generation field reactive power compensator based on double -fed wind turbine generator system net side transverter |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10581247B1 (en) | 2019-05-06 | 2020-03-03 | General Electric Company | System and method for reactive power control of wind turbines in a wind farm supported with auxiliary reactive power compensation |
| US10790668B1 (en) | 2019-05-06 | 2020-09-29 | General Electric Company | Method for reactive power oscillation damping for a wind turbine system with integrated reactive power compensation device |
| US11056884B2 (en) | 2019-05-06 | 2021-07-06 | General Electric Company | Wind turbine system with integrated reactive power compensation device |
| US11152787B2 (en) | 2020-01-10 | 2021-10-19 | General Electric Company | System of modular reactive power compensators |
| CN111211565A (en) * | 2020-02-25 | 2020-05-29 | 西南交通大学 | Wind power plant voltage stabilizing method based on cooperation of DFIG and SVG |
| CN111211565B (en) * | 2020-02-25 | 2023-03-31 | 西南交通大学 | Wind power plant voltage stabilizing method based on cooperation of DFIG and SVG |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Mitra et al. | Offshore wind integration to a weak grid by VSC-HVDC links using power-synchronization control: A case study | |
| CN106451483A (en) | Double-fed wind turbine generator-based wind power plant reactive compensation apparatus and control method | |
| Ko et al. | Active use of DFIG-based variable-speed wind-turbine for voltage regulation at a remote location | |
| Grunau et al. | Effect of wind-energy power injection into weak grids | |
| CN110086198A (en) | A kind of multiterminal Hybrid HVDC system grid-connected suitable for offshore wind farm and starting control method | |
| CN105337299A (en) | System and method for control power generation system connected to weak grid | |
| CN106712089A (en) | Multifunctional distributed power supply grid-connection device based on nine-switch-tube inverter | |
| CN105098833A (en) | Asynchronous constant speed wind turbine system for micro grid and working method thereof | |
| CN106786783A (en) | A kind of total power wind-electricity integration system and control method | |
| Okedu | A variable speed wind turbine flywheel based coordinated control system for enhancing grid frequency dynamics | |
| CN111969620B (en) | Method for restraining direct-driven wind turbine generator system converter from participating in subsynchronous oscillation of power grid | |
| CN106961113B (en) | Unified power flow controller system and converter reactive power control method | |
| Bernal-Perez et al. | Connection of off-shore wind power plants to VSC-MTdc networks using HVdc diode-rectifiers | |
| Yan et al. | A novel converter system for DFIG based on DC transmission | |
| CN115425674B (en) | Double-ring active disturbance rejection control method for bidirectional converter of flexible direct current traction power supply system | |
| CN205882720U (en) | Wind -powered electricity generation field reactive power compensator based on double -fed wind turbine generator system net side transverter | |
| Nguyen et al. | Control of offshore wind farms based on HVDC | |
| CN107039992A (en) | The startup control method and control system of MMC transverters based on droop control | |
| CN109424502B (en) | System and method for preventing voltage collapse of wind turbine power system | |
| CN116073398A (en) | Additional damping control system for improving synchronous stability of doubly-fed wind turbine generator | |
| Banaei et al. | Wind farm based doubly fed induction generator using a novel AC/AC converter | |
| Rabelo et al. | Reactive power control in doubly-fed induction generators for wind turbines | |
| Obichere et al. | Power factor control of large doubly-fed reluctance wind generators | |
| CN104795844A (en) | WFMC controller design method for wind power integration | |
| US11689017B1 (en) | Electrical power system having active harmonic filter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170222 |