CN102780229A - Wind turbine power control system applying super capacitor - Google Patents
Wind turbine power control system applying super capacitor Download PDFInfo
- Publication number
- CN102780229A CN102780229A CN201210123808XA CN201210123808A CN102780229A CN 102780229 A CN102780229 A CN 102780229A CN 201210123808X A CN201210123808X A CN 201210123808XA CN 201210123808 A CN201210123808 A CN 201210123808A CN 102780229 A CN102780229 A CN 102780229A
- Authority
- CN
- China
- Prior art keywords
- super capacitor
- power
- control system
- wind turbine
- central processor
- 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.)
- Granted
Links
Images
Landscapes
- Control Of Eletrric Generators (AREA)
Abstract
The invention discloses a wind turbine power control system applying a super capacitor. The wind turbine power control system comprises a wind turbine and a wind turbine control device. A rotor side converter (RSC) and a grid side converter (GSC) in the wind turbine control device are electrically connected and at the same time are connected with an arranged super capacitor system, and the super capacitor system is electrically connected with a control system of the arranged super capacitor system. The wind turbine power control system has the beneficial effects that after being tested by a small experimental prototype, the system has strong power retention feature and can adjust the size of the output power of the wind turbine according to power network dispatching requirements at any time and reduce the influence on the output of the wind turbine from the fluctuation of the wind speed. The wind turbine power control system is high in integration degree, big in power density, small in unit size and light in weight and has strong low-voltage ride through (LVRT) ability. Therefore, with the large-scale development of wind turbines nowadays, the wind turbine power control system has great application significance.
Description
Technical field
The present invention relates to a kind of power control system, especially a kind of power of fan control system of using super capacitor.
Background technology
Current, the control of wind turbine generator is normally controlled by EIAJ, but wind is change at random at any time, thus caused wind turbine generator institute electrogenesis can fluctuation.Wind-powered electricity generation installed capacity at present only accounts for 1%～2% of net capacity, and the fluctuation of wind-powered electricity generation unit electric energy does not also constitute influence to the economical operation of grid power scheduling and electrical network.
But be accompanied by the fast development of wind-powered electricity generation in the world wide, the explosive growth of wind-powered electricity generation enterprise, the wind-powered electricity generation installed capacity is constantly risen, and wind power generation proportion in mains supply improves constantly.Scholarly forecast was at ensuing 30 years, and wind power-generating grid-connected capacity will reach more than 20% of net capacity.If the wind-powered electricity generation installed capacity reaches scale like this, the wind-powered electricity generation fluctuation will can not be ignored the influence of grid stability so.The problem that is incorporated into the power networks of wind-powered electricity generation unit also will become the wind-powered electricity generation development key problem that influences.
Number of patent application 201010229299.x provides a kind of device that is used to realize low voltage ride-through capability of wind turbine generator system; This technical scheme utilizes the additional low-voltage of wind field to pass through control system; Super capacitor is chosen the energy of needs consumption; Realize that the low-voltage of wind field passes through, satisfy wind field and when low voltage failure appears in electrical network, pass through characteristic, in this scheme super capacitor mainly be between pin wind field age at failure low-voltage pass through adopt; Though the short-sighted power stability in the time of ensureing fault can't be according to the power adjustments of dispatching of power netwoks instruction completion normal operation period.Wear control system because of it need be provided with to hang down specially simultaneously in wind field, it is many to cause enforcement to drop into, to problems such as site requirements are bigger.
Number of patent application 200910187343.2; A kind of double-fed aerogenerator excitation system based on ultracapacitor and accumulator hybrid energy-storing is provided, and this system passes through the rotor-exciting of control double feedback electric engine, thereby reaches the characteristic of the power of control double feedback electric engine stator side output; The weak point of this scheme is that excitation control algolithm itself is very complicated; Realize that difficulty is big, with high costs, and during the fan trouble since rotor-side converter cut out characteristic in short-term, can't accomplish effective control to unit.
The thinking of the head it off of having used at present is the short-term wind power prediction technology; This technology is for solving the fluctuation of wind energy; Adaptation dispatching of power netwoks, frequency adjustment, economical operation demand are to play a role, even but use the wind power prediction system that optimizes, predicated error also can't be avoided.
Summary of the invention
The objective of the invention is for overcoming the deficiency of above-mentioned prior art, a kind of power of fan control system of using super capacitor is provided.Technical scheme is primarily aimed at and solves because the instability of wind energy causes satisfying the problem of dispatching of power netwoks, frequency adjustment requirement, is intended to overcome above-mentioned traditional wind group and is subject to the instability of exerting oneself, the difficult problem that can't be incorporated into the power networks on a large scale.This system has the integrated level height, maintenance is little, power density is big, and the application of super capacitor simultaneously can also well solve the requirement that low-voltage is passed through, and satisfies the advantage of the needs of electricity market.
For realizing above-mentioned purpose, the present invention adopts following technical proposals:
A kind of power of fan control system of using super capacitor; It comprises blower fan and fan controller; Pusher side current transformer RSC in the said fan controller also is connected with the super capacitor system that is provided with when being electrically connected with net side converter GSC; Said super capacitor system also is electrically connected with the control system of the super capacitor system that is provided with, and the super capacitor system carries out the charge and discharge order according to the central processor CPU order request;
The capacitance C that influence discharges and recharges effect chooses with computes:
In the formula: k---according to the line inductance correction factor; 0.5≤k≤1; Said line inductance is the inductance total value of all circuits of being connected with super capacitor;
P
n---unit rated power; Discharging and recharging the cycle of T---super capacitor; V
SC---the voltage of super capacitor.
Comprise switch power device and the super capacitor that is attached thereto in the said super capacitor system.
The control triggering electric circuit of the switch power device that is provided with in the control super capacitor system that comprises central processor CPU in the control system of said super capacitor system and be connected with central processor CPU.
Said switch power device is metal-oxide-semiconductor or IGBT, and it comprises going up pipe VT1 and managing the VT2 series bridge circuit down of being electrically connected with super capacitor, and said series bridge circuit is electrically connected between pusher side current transformer RSC and the net side converter GSC.
Said control triggering electric circuit comprise with the super capacitor system in the going up pipe VT1 and manage the gate drive circuit that VT2 is electrically connected down of switch power device; Gate drive circuit is connected with central processor CPU through comparator; Have between central processor CPU and pusher side current transformer RSC and the net side converter GSC and be connected; Central processor CPU also has with electric power network scheduling signals end and is connected; And pass through comparator to switch power device duty cycle adjustment, satisfy the dispatching of power netwoks requirement.
Said super capacitor is through step-up/step-down circuit, and promptly the DC/DC circuit is connected on the bus row of rotor current transformer, and this circuit is according to the active power of rotor current transformer net side and pusher side, determines to work in to boost or a certain operating state of step-down; Super capacitor is realized control through the control triggering electric circuit of controlling switch power device in the super capacitor system by being used to of being connected with central processor CPU; Said super capacitor system central processor CPU; The electric power network scheduling signals that sends in conjunction with grid dispatching center, together by-pass cock power device duty ratio; Super capacitor system central processor CPU and grid dispatching center, both sides satisfy the dispatching of power netwoks requirement according to the operation of Canopen agreement;
The super capacitor system requires to carry out the charge and discharge order according to cpu command; The capacitance C that influence discharges and recharges effect chooses with computes:
In the formula: k---according to the line inductance correction factor; 0.5≤k≤1; Said line inductance is the inductance total value of all circuits of being connected with super capacitor;
P
n---unit rated power; Discharging and recharging the cycle of T---super capacitor; V
SC---the voltage of super capacitor.
Said step-up/step-down circuit comprises the DC master row that is connected to the rotor current transformer by reactance and VT1 and two IGBT semiconductor device of VT2, and the switch situation of control VT1 and VT2 just can be controlled the working condition of super capacitor;
Step-up/step-down circuit is according to pusher side active power P
rWith net side active power P
gRelation control the switch situation of VT1 and VT2, promptly control the size of duty ratio; Work as P
r＞P
gThe time, the super capacitor system works is in decompression mode, and this moment, super capacitor absorbed energy, the voltage V of super capacitor
SCRaise; Work as P
r＜P
gThe time, the super capacitor system works is in the die pressing type that boosts, and this moment, super capacitor released energy the voltage V of super capacitor
SCReduce; Guarantee that wind turbine generator sends power invariability, satisfy the dispatching of power netwoks requirement.
Operation principle of the present invention:
Central processor CPU is used for regulating the blower fan control strategy to satisfy the electrical network requirement according to wind regime and dispatching of power netwoks instruction intelligence; Gate-drive is used for carrying out according to cpu command the shutoff of opening of semiconductor device VT1, VT2; The super capacitor system is used for requiring the charge and discharge ability according to CPU.Patent of the present invention relates to a kind of super capacitor group through step-up/step-down circuit, and promptly the DC/DC circuit is connected on the bus row of rotor current transformer, and said rotor current transformer comprises pusher side current transformer RSC and net side converter GSC.This circuit is regulated situation according to the active power of rotor current transformer net side and pusher side, and decision works in boosts or a certain state of step-down.
But the utilization of super capacitor reaches the control triggering electric circuit free adjustment switch power device duty ratio of switch power device in the control super capacitor system that passes through central processor CPU and be connected with central processor CPU, satisfies the system design of dispatching of power netwoks requirement; This technical scheme realizes working as the wind energy transformation electric energy more for a long time, by super capacitor energy is temporarily stored, and when fluctuation appears in wind-force, when wind energy can't satisfy the dispatching of power netwoks demand, by the meritorious energy of super capacitor supply, satisfies the dispatching of power netwoks requirement.。
Beneficial effect of the present invention is:
This level of integrated system is high, and power density is big, and unit volume is little, in light weight, and has stronger low voltage ride-through capability, the today in the extensive development of blower fan, has very strong application value.
The present invention directly adopts the control of rotor-side converter and net side converter power circuit balance, has solved this problem with comparatively succinct algorithm and lower input, has more engineering feasibility.
Description of drawings
Fig. 1 is the power control electrical principle schematic block diagram that the present invention is based on super capacitor wind-powered electricity generation unit.
1. blades among the figure, 2. gear box, 3. double-fed type induction generator, 4. be incorporated into the power networks switch, 5. step-up transformer, 6. electrical network, 7. reactor, 8. super capacitor system, 9. gate drive circuit, 10. electric power network scheduling signals end of stator.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Embodiment is a kind of power of fan control system of using super capacitor among Fig. 1, wherein on blower fan that is provided with and fan controller basis, sets up the control system of super capacitor system 8 and super capacitor system thereof.
In this system; Comprise blower fan and fan controller; Blower fan comprises that blade 1, blade 1 are connected with gear box 2 through axle; Gear box 2 is connected with (DFIG) double-fed type induction generator 3, and (DFIG) the double-fed type induction generator is connected with step-up transformer 5 through the stator switch 4 that is incorporated into the power networks, and step-up transformer 5 is connected with electrical network 6; Be provided with super capacitor system 8 on the electric path between (DFIG) double-fed type induction generator 3 and the step-up transformer 5; On the electric path that is provided with, be in series with reactor 7 with super capacitor system 8, also be connected with the super capacitor system 8 that is provided with net side converter GSC electrical connection the time with pusher side current transformer RSC in the said fan controller, said super capacitor system 8 also is electrically connected with the control system of the super capacitor system that is provided with.Comprise switch power device and the super capacitor that is attached thereto in the super capacitor system 8, comprise central processor CPU in the control system of super capacitor system and the control super capacitor system that is connected with central processor CPU in the control triggering electric circuit of the switch power device that is provided with.
The switch power device is metal-oxide-semiconductor or IGBT in system, and it comprises going up pipe VT1 and managing the VT2 series bridge circuit down of being electrically connected with super capacitor, and said series bridge circuit is electrically connected between pusher side current transformer RSC and the net side converter GSC.
Control triggering electric circuit comprise with the super capacitor system in the going up pipe VT1 and manage the gate drive circuit 9 that VT2 is electrically connected down of switch power device; Gate drive circuit 9 is connected with central processor CPU through comparator; Have between central processor CPU and pusher side current transformer RSC and the net side converter GSC and be connected; Central processor CPU also has with electric power network scheduling signals end 10 and is connected; And pass through comparator to switch power device duty cycle adjustment, satisfy the dispatching of power netwoks requirement.
The super capacitor group is through step-up/step-down circuit, and promptly the DC/DC circuit is connected on the bus row of rotor current transformer, and this circuit is according to the active power of rotor current transformer net side and pusher side, determines to work in to boost or a certain operating state of step-down;
Super capacitor is realized control through the control triggering electric circuit of controlling switch power device in the super capacitor system by being used to of being connected with central processor CPU; Said super capacitor system central processor CPU; The electric power network scheduling signals that sends in conjunction with grid dispatching center, together by-pass cock power device duty ratio; Super capacitor system central processor CPU and grid dispatching center, both sides satisfy the dispatching of power netwoks requirement according to the operation of Canopen agreement;
The super capacitor system requires to carry out the charge and discharge order according to cpu command; The capacitance C that influence discharges and recharges effect chooses with computes:
In the formula: k---according to the line inductance correction factor; 0.5≤k≤1; Said line inductance is the inductance total value of all circuits of being connected with super capacitor;
P
n---unit rated power; Discharging and recharging the cycle of T---super capacitor; V
SC---the voltage of super capacitor.
Step-up/step-down circuit comprises the DC master row that is connected to the rotor current transformer by reactance and VT1 and two IGBT semiconductor device of VT2, and the switch situation of control VT1 and VT2 just can be controlled the working condition of super capacitor;
Step-up/step-down circuit is according to pusher side active power P
rWith net side active power P
gRelation control the switch situation of VT1 and VT2, promptly control the size of duty ratio.Work as P
r＞P
gThe time, super capacitor system 8 works in decompression mode, and this moment, super capacitor absorbed energy, the voltage V of super capacitor
SCRaise.Work as P
r＜P
gThe time, super capacitor system 8 works in boost mode, and this moment, super capacitor released energy the voltage V of super capacitor
SCReduce.Guarantee that wind turbine generator sends power invariability, satisfy the dispatching of power netwoks requirement.
This system, under the 1200rpm, tests according to the situation of simulating torque at random in the 30KW model machine through the test of small-scale test model machine, the first behavior torque value, and the Nm of unit, the second behavior performance number Kw, test result is following:
Can find out that from test data this scheme has stronger power retention performance, under the situation of torque random fluctuation, keep the unit output power value in more among a small circle, to fluctuate.Reached implementation result preferably
Though the above-mentioned accompanying drawing specific embodiments of the invention that combines is described; But be not restriction to protection range of the present invention; One of ordinary skill in the art should be understood that; On the basis of technical scheme of the present invention, those skilled in the art need not pay various modifications that creative work can make or distortion still in protection scope of the present invention.
Claims (7)
1. power of fan control system of using super capacitor; It comprises blower fan and fan controller; It is characterized in that; Pusher side current transformer RSC in the said fan controller also is connected with the super capacitor system that is provided with when being electrically connected with net side converter GSC, and said super capacitor system also is electrically connected with the control system of the super capacitor system that is provided with; The super capacitor system carries out the charge and discharge order according to the central processor CPU order request; The capacitance C that influence discharges and recharges effect chooses with computes:
In the formula: k---according to the line inductance correction factor; 0.5≤k≤1; Said line inductance is the inductance total value of all circuits of being connected with super capacitor;
P
n---unit rated power; Discharging and recharging the cycle of T---super capacitor; V
SC---the voltage of super capacitor.
2. the power of fan control system of application super capacitor as claimed in claim 1 is characterized in that, comprises switch power device and the super capacitor that is attached thereto in the said super capacitor system.
3. the power of fan control system of application super capacitor as claimed in claim 1; It is characterized in that, comprise central processor CPU in the control system of said super capacitor system and the control super capacitor system that is connected with central processor CPU in the control triggering electric circuit of the switch power device that is provided with.
4. the power of fan control system of application super capacitor as claimed in claim 2; It is characterized in that; Said switch power device is metal-oxide-semiconductor or IGBT; It comprises going up pipe VT1 and managing the VT2 series bridge circuit down of being electrically connected with super capacitor, and said series bridge circuit is electrically connected between pusher side current transformer RSC and the net side converter GSC.
5. the power of fan control system of application super capacitor as claimed in claim 3 is characterized in that, said control triggering electric circuit comprise with the super capacitor system in the going up pipe VT1 and manage the gate drive circuit that VT2 is electrically connected down of switch power device; Gate drive circuit is connected with central processor CPU through comparator; Have between central processor CPU and pusher side current transformer RSC and the net side converter GSC and be connected; Central processor CPU also has with electric power network scheduling signals end and is connected; And pass through comparator to switch power device duty cycle adjustment, satisfy the dispatching of power netwoks requirement.
6. the control method of the power of fan control system of application super capacitor as claimed in claim 2; It is characterized in that; Said super capacitor passes through step-up/step-down circuit; Be that the DC/DC circuit is connected on the bus row of rotor current transformer, this circuit is according to the active power of rotor current transformer net side and pusher side, determines to work in to boost or a certain operating state of step-down; Super capacitor is realized control through the control triggering electric circuit of controlling switch power device in the super capacitor system by being used to of being connected with central processor CPU; Said super capacitor system central processor CPU; The electric power network scheduling signals that sends in conjunction with grid dispatching center, together by-pass cock power device duty ratio; Super capacitor system central processor CPU and grid dispatching center, both sides satisfy the dispatching of power netwoks requirement according to the operation of Canopen agreement;
The super capacitor system requires to carry out the charge and discharge order according to cpu command; The capacitance C that influence discharges and recharges effect chooses with computes:
In the formula: k---according to the line inductance correction factor; 0.5≤k≤1; Said line inductance is the inductance total value of all circuits of being connected with super capacitor;
P
n---unit rated power; Discharging and recharging the cycle of T---super capacitor; V
SC---the voltage of super capacitor.
7. the control method of the power of fan control system of application super capacitor as claimed in claim 6; It is characterized in that; Said step-up/step-down circuit comprises the DC master row that is connected to the rotor current transformer by reactance and VT1 and two IGBT semiconductor device of VT2, and the switch situation of control VT1 and VT2 just can be controlled the working condition of super capacitor;
Step-up/step-down circuit is according to pusher side active power P
rWith net side active power P
gRelation control the switch situation of VT1 and VT2, promptly control the size of duty ratio; Work as P
r＞P
gThe time, the super capacitor system works is in decompression mode, and this moment, super capacitor absorbed energy, the voltage V of super capacitor
SCRaise; Work as P
r＜P
gThe time, the super capacitor system works is in the die pressing type that boosts, and this moment, super capacitor released energy the voltage V of super capacitor
SCReduce; Guarantee that wind turbine generator sends power invariability, satisfy the dispatching of power netwoks requirement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210123808.XA CN102780229B (en) | 2012-04-25 | 2012-04-25 | Wind turbine power control system applying super capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210123808.XA CN102780229B (en) | 2012-04-25 | 2012-04-25 | Wind turbine power control system applying super capacitor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102780229A true CN102780229A (en) | 2012-11-14 |
| CN102780229B CN102780229B (en) | 2015-01-14 |
Family
ID=47125037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210123808.XA Active CN102780229B (en) | 2012-04-25 | 2012-04-25 | Wind turbine power control system applying super capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102780229B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103972926A (en) * | 2014-05-20 | 2014-08-06 | 东北电力大学 | Energy storage system capacity allocation method based on battery charge state adjustment |
| CN104701838A (en) * | 2013-12-06 | 2015-06-10 | 广西大学 | Unified power quality adjusting device based on battery energy storage |
| CN105098786A (en) * | 2015-09-18 | 2015-11-25 | 许昌学院 | System and method for stabilizing voltage fluctuation of wind power micro-grid employing super capacitors |
| CN105634013A (en) * | 2016-03-01 | 2016-06-01 | 国网甘肃省电力公司 | Control method for improving abnormal voltage withstand capability of wind turbine generator set by super capacitor |
| WO2017148251A1 (en) * | 2016-03-01 | 2017-09-08 | 甘肃省电力公司风电技术中心 | Control system for enhancing frequency support of wind turbine generator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002010493A (en) * | 2000-06-23 | 2002-01-11 | Mitsubishi Electric Corp | System stabilizer |
| CN102231527A (en) * | 2011-06-30 | 2011-11-02 | 重庆大学 | Control method for enhancing asymmetrical fault ride-through capability of wind power system |
| CN102403737A (en) * | 2011-12-27 | 2012-04-04 | 保定天威集团有限公司 | Method and system for controlling wind-solar hybrid power generation and energy storage |
-
2012
- 2012-04-25 CN CN201210123808.XA patent/CN102780229B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002010493A (en) * | 2000-06-23 | 2002-01-11 | Mitsubishi Electric Corp | System stabilizer |
| CN102231527A (en) * | 2011-06-30 | 2011-11-02 | 重庆大学 | Control method for enhancing asymmetrical fault ride-through capability of wind power system |
| CN102403737A (en) * | 2011-12-27 | 2012-04-04 | 保定天威集团有限公司 | Method and system for controlling wind-solar hybrid power generation and energy storage |
Non-Patent Citations (1)
| Title |
|---|
| 张坤等: "基于储能的直驱风力发电系统的功率控制", 《电工技术学报》 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104701838A (en) * | 2013-12-06 | 2015-06-10 | 广西大学 | Unified power quality adjusting device based on battery energy storage |
| CN103972926A (en) * | 2014-05-20 | 2014-08-06 | 东北电力大学 | Energy storage system capacity allocation method based on battery charge state adjustment |
| CN103972926B (en) * | 2014-05-20 | 2015-10-28 | 东北电力大学 | A kind of energy storage system capacity collocation method based on adjustment battery charge state |
| CN105098786A (en) * | 2015-09-18 | 2015-11-25 | 许昌学院 | System and method for stabilizing voltage fluctuation of wind power micro-grid employing super capacitors |
| CN105634013A (en) * | 2016-03-01 | 2016-06-01 | 国网甘肃省电力公司 | Control method for improving abnormal voltage withstand capability of wind turbine generator set by super capacitor |
| WO2017148251A1 (en) * | 2016-03-01 | 2017-09-08 | 甘肃省电力公司风电技术中心 | Control system for enhancing frequency support of wind turbine generator |
| US20190013753A1 (en) * | 2016-03-01 | 2019-01-10 | Wind Power Technology Center Of Gansu Electric Power Company | Control method and control system for enhancing endurance to anomalous voltage for doubly-fed induction generator |
| US10790769B2 (en) * | 2016-03-01 | 2020-09-29 | Wind Power Technology Center Of Gansu Electric Power Company | Control method and control system for enhancing endurance to anomalous voltage for doubly-fed induction generator |
| US10890160B2 (en) | 2016-03-01 | 2021-01-12 | Wind Power Technology Center Of Gansu Electric Power Company | Control system of a wind turbine generator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102780229B (en) | 2015-01-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103986190B (en) | Based on the wind-solar-storage joint electricity generation system smooth control method of generated output curve | |
| CN103595068B (en) | Mixed energy storage system stabilizes the control method of honourable output-power fluctuation | |
| KR101687900B1 (en) | A method for smoothing wind power fluctuation based on battery energy storage system for wind farm | |
| CN103023055B (en) | Method for stabilizing wind-solar generation system output power fluctuation with composite energy storage technology | |
| CN105633983A (en) | Control system for improving frequency support capability of wind turbine generator set by super capacitor | |
| CN110611320B (en) | Double-fed wind turbine generator inertia and primary frequency modulation method based on supercapacitor energy storage control | |
| CN110336304B (en) | Doubly-fed wind turbine primary frequency modulation method based on variable power point tracking and supercapacitor energy storage coordinated control | |
| CN101702610A (en) | Double-fed aerogenerator excitation system based on the hybrid stored energy of super capacitor and storage battery | |
| Wang et al. | Energy storage based LVRT and stabilizing power control for direct-drive wind power system | |
| Cui et al. | Distributed energy storage system in wind power generation | |
| CN102780229B (en) | Wind turbine power control system applying super capacitor | |
| CN103795081A (en) | Method for controlling low voltage ride-through of direct-drive type wind power system | |
| CN106169752A (en) | Main power source flexible switching method under a kind of micro-capacitance sensor off-network pattern | |
| CN104682411A (en) | Hybrid energy storage system structure of permanent magnet direct drive type wind power system and control method | |
| CN102748238B (en) | Wind-powered electricity generation energy conversion system with redundancy energy storage and application model thereof and controlling method | |
| CN102832638A (en) | Wind farm low voltage ride-through control system based on battery energy storage | |
| CN112332442A (en) | Virtual inertia control strategy optimization based on double-fed wind power plant | |
| CN107706937A (en) | A kind of control method for coordinating of accumulation energy type double-fed fan motor unit | |
| CN111614124B (en) | Novel power supply method for large island operation mode of offshore wind farm | |
| CN103972921B (en) | A kind of permanent-magnet synchronous wind energy turbine set low voltage crossing control method for coordinating based on power-balance | |
| CN203278264U (en) | Wind power generator group energy transmission device | |
| CN102624034B (en) | Wind power station dispatching fit type idle work operation method suitable for high voltage power grid | |
| Bouziane et al. | Energy Management of a Hybrid Generation System Based on Wind Turbine Coupled with a Battery/Supercapacitor. | |
| CN107465208B (en) | Improved double-fed wind driven generator system and control method thereof | |
| CN115021314A (en) | Double-fed fan combined control strategy for enhancing system voltage stability |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |