CN102820675A - Automatic running recovery method considering real measured air speed for wind turbine generator - Google Patents
Automatic running recovery method considering real measured air speed for wind turbine generator Download PDFInfo
- Publication number
- CN102820675A CN102820675A CN2012101717949A CN201210171794A CN102820675A CN 102820675 A CN102820675 A CN 102820675A CN 2012101717949 A CN2012101717949 A CN 2012101717949A CN 201210171794 A CN201210171794 A CN 201210171794A CN 102820675 A CN102820675 A CN 102820675A
- Authority
- CN
- China
- Prior art keywords
- wind
- idle
- meritorious
- energy turbine
- turbine set
- 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
Classifications
-
- 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
Abstract
The invention relates to an automatic running recovery method considering a real measured air speed fora wind turbine generator, and is applicable to rapidly and effectively recover parallel running of an off-line wind turbine generator according to certain principles after the large-scale wind turbine generator is off-line and the fault is solved. The automatic running recovery method considering the real measured air speed for the wind turbine generator is aimed to ensure which stopped generators in a wind power plant need to be recovered and linked to the network and define the active power and reactive power for parallel operation of each stopped wind turbine generator, at the premise that the power grid is safe when the stopped wind turbine generator is linked to the network. The method works out the total active power and the total reactive power distributed to the wind power plant group on the basis of the maximum acceptable active power and reactive power of a wind power system and the real measured air speed of each wind power plant firstly, then distributes to the total active power and the total reactive power distributed to each wind power plant according to the real measured operation capacity ratio of the stopped wind turbine generators in the wind power plant, and at last capacity is equally distributed to each stopped wind turbine generators of a feeder line according to an equal power allocation plan by the wind power plant, so that the purpose of recovering the appointed stopped wind turbine generator is realized.
Description
Technical field
The invention belongs to the Power System and its Automation technical field, the present invention relates to the method that a kind of wind-powered electricity generation unit of considering to survey wind speed resumes operation automatically more precisely.
Background technology
The wind-powered electricity generation unit normally is designed with automatic restarting function, and when external fault caused the wind-powered electricity generation unit to be closed, in case the condition permission, the wind-powered electricity generation unit can be reset automatically or through distant place control.But at present, when wind energy turbine set inserts electrical network, because effective automatic AC of shortage and system side; For avoiding impact to system, normally do not use its automatic restart function, but after understanding the electrical network situation through operation person; And according to dispatching command; The operation that manually recovers the wind-powered electricity generation unit one by one causes the wind-powered electricity generation unit off-grid time considerably beyond failure recovery time, has caused many wind of abandoning.The basic reason of this phenomenon is short of reliable information exchange between electrical network and the wind energy turbine set, and promptly the wind-powered electricity generation unit is not understood the running status of electrical network automatically, also restarting automatically just.
The present invention is based on for this reason the maximum receivability of wind power system actual measurement anemometer meritorious, idle and each wind energy turbine set that the control centre issues calculate the platform number of the stoppage in transit wind group that each wind energy turbine set need recover and gain merit, idle numerical value.Meritorious and idle control have been considered simultaneously in the also network process of recovery off-grid wind-powered electricity generation unit; Can solve frequency and the out-of-limit problem of voltage in the wind energy turbine set unit recovery process effectively synchronously; Adopted being incorporated into the power networks of automatic recovery off-grid wind-powered electricity generation unit simultaneously; Shorten the idle time of wind-powered electricity generation unit, can effectively reduce the economic loss of wind-powered electricity generation owner and operation of power networks unit.
Summary of the invention
The present invention seeks to: the power grid security problem of stoppage in transit unit recovery process behind the solution wind power system electric network fault, ensure the rapid combination operation of stoppage in transit unit, reduce the idle time of wind-powered electricity generation unit.
The present invention adopts following technical scheme to realize, comprises the steps:
1) obtains critical data: the meritorious P of the maximum receivability of wind power system that comprises control centre's real time down
Acce MaxWith idle Q
Acce.MaxAnd the actual measurement wind speed of each wind energy turbine set;
2) statistics is surveyed real-time meritorious P
op of wind energy turbine set operation unit under the wind speed respectively.i, idle Q
Op.iThe meritorious P that sum and stoppage in transit unit are possible
Stop.iWith idle Q
Stop.iSum;
3) according to step 2) information calculations can distribute to the meritorious P of wind farm group
PlanWith idle Q
Plan, P wherein
Plan=P
Acce.max-∑
Pop.iQ
Plan=Q
Acce.max-∑ Q
Op.i-∑ Q
Sv.i, ∑ P in the formula
Op.iRepresent the real-time active power sum of all wind energy turbine set operation units, ∑ Q
Op.iRepresent the real-time reactive power sum of all wind energy turbine set operation units, ∑ Q
Sv.iThe actual reactive capability sum of reactive-load compensation equipment that the expression wind power system has dropped into;
4) than dividing equally the meritorious and idle of wind farm group, what false wind electric field i was assigned to gains merit and the idle P of being respectively wind energy turbine set according to stoppage in transit unit actual measurement working capacity
F.plan.iWith idle Q
F.plan.i, the stoppage in transit unit actual measurement working capacity of wind energy turbine set i is than being K
i, then
∑ P in the formula
F.stop.iAll stoppage in transit units of expression wind energy turbine set i possible active power sum under current wind speed, then P
F.plan.i=P
Plan* K
i, Q
F.plan.i=Q
Plan* K
i
5) each wind energy turbine set P that will gain merit
F.plan.iWith idle Q
F.plan.iBy constant power factor allocative decision capacity is all assigned in every stoppage in transit blower fan of feeder line and gone, constant power factor allocative decision need be considered the bound that the wind-powered electricity generation unit is meritorious, idle and the scope of power factor;
6) the wind energy turbine set power of distributing to the stoppage in transit unit according to step 5) recovers and net operation;
7) the output wind farm group wind-powered electricity generation unit details of resuming operation comprise active power and reactive power after resuming operation each wind energy turbine set every stoppage in transit unit recovering under which stoppage in transit unit and the current wind speed.
3, beneficial effect
This method has overcome current wind-powered electricity generation unit if want to resume operation, and can only manually recover the shortcoming of wind-powered electricity generation unit operation through dispatching command one by one.The present invention considers to survey wind speed and adopts the automatic method of recovering the stoppage in transit unit to shorten the time of wind-powered electricity generation unit fault recovery, can improve the economic benefit of wind energy turbine set; Consider meritorious and idle Collaborative Control in the recovery process, ensured the security and stability of power system restoration transient process operation.
Description of drawings
Fig. 1 is the flow chart of the inventive method.
Embodiment
Below in conjunction with accompanying drawing 1, the inventive method is described in detail.
What step 1 was described among Fig. 1 is to obtain to recover the input data that stoppage in transit machine set of calculated is used, and comprises meritorious P
acce of the maximum receivability of wind power system of control centre's real time down.MaxWith idle Q
Acce.MaxAnd the power of every typhoon group of motors under the actual measurement wind speed of each wind energy turbine set and the corresponding wind speed.
That step 2 is described among Fig. 1 is the real-time meritorious sum ∑ P of wind energy turbine set operation unit under the statistics actual measurement wind speed
Op.iWith idle sum ∑ Q
Op.iAnd the possible meritorious sum ∑ P of stoppage in transit unit
Stop.iWith idle sum ∑ Q
Stop.i
Step 3 is described among Fig. 1 according to meritorious P
acce of the maximum receivability of wind power system.MaxWith idle Q
Acce.MaxCalculate the meritorious P that can distribute to wind farm group with the power information that step 2 is calculated
PlanWith idle Q
Plan, computing formula is following: P
Plan=P
Acce.max-∑
Pop.iQ
Plan=Q
Acce.max-∑ Q
Op.i-∑ Q
Sv.i, ∑ Q in the formula
Op.iRepresent the real-time reactive power sum of all wind energy turbine set operation units, ∑ Q
Sv.iThe actual reactive capability sum of reactive-load compensation equipment that the expression wind power system has dropped into.
Each wind energy turbine set that step 4 is described among Fig. 1 is surveyed working capacity than the meritorious P that divides equally wind farm group according to the stoppage in transit unit
PlanWith idle Q
Plan, the meritorious and idle P of being respectively that false wind electric field i is assigned to
F.plan.iWith idle Q
F.plan.i, then the stoppage in transit unit of wind energy turbine set i is surveyed the working capacity ratio
∑ P in the formula
F.stop.iAll stoppage in transit units of expression wind energy turbine set i possible active power sum under current wind speed, then P
F.plan.iAnd Q
F.plan.iAvailable computes P
F.plan.i=P
Plan* K
i, Q
F.plan.i=Q
Plan* K
i
Each wind energy turbine set that step 5 is described among Fig. 1 P that will gain merit
F.plan.iWith idle Q
F.plan.iBy constant power factor allocative decision capacity is all assigned in every stoppage in transit blower fan of feeder line, established by meritorious P
F.plan.iWith idle Q
F.plan.iThe public transport of decision is α, and j platform stoppage in transit blower fan is arranged among the wind energy turbine set i, and what then every stoppage in transit blower fan was assigned to meritoriously does
Idlely do
P in addition
W.plan.i.j, Q
W.plan.i.jAlso need verification whether to satisfy the bound of meritorious, idle and power factor respectively with cos α, if satisfied then be as the criterion with the upper limit or lower limit;
What step 6 was described among Fig. 1 is that the stoppage in transit power of the assembling unit that wind energy turbine set calculates according to step 5 is recovered and net operation.
What step 7 was described among Fig. 1 is the wind-powered electricity generation unit details that the output wind farm group resumes operation, and comprises each wind energy turbine set which stoppage in transit unit that need resume operation, active power and reactive power after every stoppage in transit unit recovers under the current actual measurement wind speed.
Claims (6)
1. consider the method that the wind-powered electricity generation unit of actual measurement wind speed resumes operation automatically, it is characterized in that comprising the following steps:
1) obtains meritorious P
acce of the maximum receivability of wind power system of control centre's real time down.MaxWith idle Q
Acce.MaxAnd the actual measurement wind speed of each wind energy turbine set;
2) each wind energy turbine set is according to real-time meritorious Q
op of actual measurement wind speed statistics this wind energy turbine set operation unit.i, idle P
Op. iSum and stoppage in transit wind-powered electricity generation unit are according to the possible meritorious P of actual measurement wind speed operation
Stop.iWith idle
Q
stop。iSum;
3) calculate the meritorious P that can distribute to wind farm group
PlanWith idle Q
Plan, meritorious P
PlanEqual
P
acce。MaxDeduct the meritorious summation of each wind energy turbine set operation unit, idle Q
PlanEqual Q
Acce.MaxDeduct the idle summation of each wind energy turbine set operation unit, deduct the actual reactive capability sum of reactive-load compensation equipment that wind power system has dropped into again;
4) each wind energy turbine set is surveyed working capacity than the meritorious P that divides equally wind farm group according to the stoppage in transit unit
PlanWith idle Q
Plan, the meritorious and idle P of being respectively that false wind electric field i is assigned to
F.plan.iWith idle Q
F.plan.i
5) wind energy turbine set is according to the meritorious P that is assigned to
F.plan.iWith idle Q
F.plan.iBy constant power factor allocative decision capacity is all assigned in every stoppage in transit blower fan of feeder line and gone, constant power factor allocative decision need be considered the bound that the wind-powered electricity generation unit is meritorious, idle and the scope of power factor;
6) wind energy turbine set is recovered the wind-powered electricity generation set grid-connection of stoppage in transit according to the constant power factor;
7) add up every active power and reactive power of recovering unit under unit that all wind energy turbine set resume operation and the current wind speed.
2. the method that the wind-powered electricity generation unit of consideration according to claim 1 actual measurement wind speed resumes operation automatically is characterized in that considering simultaneously in the step 1) meritorious P
acce of the maximum receivability of wind power system of control centre's real time down.MaxWith idle Q
Acce.MaxCarry out resuming operation of wind-powered electricity generation unit, and whether blower fan need resume operation and need to consider the actual measurement wind speed, the unit that the wind field that wind friction velocity is good resumes operation is more, otherwise just few.
3. the method that the wind-powered electricity generation unit of consideration according to claim 1 actual measurement wind speed resumes operation automatically is characterized in that step 2) in each wind energy turbine set according to real-time meritorious P
op of actual measurement wind speed statistics this wind energy turbine set operation unit.i, idle Q
Op.iSum; Need be when the purpose of the power of statistics operation unit is that step 3) is fallen into a trap point counting dispensing wind energy turbine set total meritorious with the maximum admissible meritorious meritorious summation of each wind energy turbine set operation unit that deduct of wind power system, need be when distributing to wind energy turbine set total idle with the maximum admissible idle idle summation of each wind energy turbine set operation unit that deducts of wind power system.
4. the method that the wind-powered electricity generation unit of consideration according to claim 1 actual measurement wind speed resumes operation automatically is characterized in that step 2) in each wind energy turbine set according to this wind energy turbine set of actual measurement wind speed statistics stoppage in transit wind-powered electricity generation unit according to possible meritorious P
stop of actual measurement wind speed operation.iWith idle Q
Stop.iSum, and calculate the working capacity ratio of wind farm group stoppage in transit unit with it is so that recently divide equally the meritorious P of wind farm group with the stoppage in transit unit operation capacity of wind farm group actual measurement in step 4)
PlanWith idle Q
Plan
5. the method that the wind-powered electricity generation unit of consideration actual measurement wind speed according to claim 1 resumes operation automatically; Considered simultaneously when it is characterized in that calculating the unit that wind energy turbine set resumes operation meritorious and idle capacity can solve frequency and the out-of-limit problem of voltage in the wind energy turbine set unit recovery process effectively synchronously.
6. the method that the wind-powered electricity generation unit of consideration actual measurement wind speed according to claim 1 resumes operation automatically; It is characterized in that going in wind energy turbine set in the step 5) all assigns to capacity feeder line according to the meritorious PF.plan.i that is assigned to and idle QF.plan.i by constant power factor allocative decision every stoppage in transit blower fan, constant power factor allocative decision has considered that simultaneously bound that the wind-powered electricity generation unit is meritorious, idle and power factor scope can guarantee to distribute to the meritorious and idle of stoppage in transit unit and not cross the border.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210171794.9A CN102820675B (en) | 2012-05-30 | 2012-05-30 | Automatic running recovery method considering real measured air speed for wind turbine generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210171794.9A CN102820675B (en) | 2012-05-30 | 2012-05-30 | Automatic running recovery method considering real measured air speed for wind turbine generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102820675A true CN102820675A (en) | 2012-12-12 |
| CN102820675B CN102820675B (en) | 2014-09-10 |
Family
ID=47304603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210171794.9A Expired - Fee Related CN102820675B (en) | 2012-05-30 | 2012-05-30 | Automatic running recovery method considering real measured air speed for wind turbine generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102820675B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104659818A (en) * | 2013-11-21 | 2015-05-27 | 国家电网公司 | Optimal allocation method for positive and negative spinning reserve capacity in system comprising wind farm |
| CN116523349A (en) * | 2023-05-19 | 2023-08-01 | 北京协合运维风电技术有限公司 | Wind power station reliability analysis method and system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102005765A (en) * | 2010-11-18 | 2011-04-06 | 西北电网有限公司 | Grid-connected operation reactive power controlling and regulating method suitable for large wind farm |
| WO2012000517A2 (en) * | 2010-06-30 | 2012-01-05 | Vestas Wind Systems A/S | Operating a wind power plant including energy storage during grid faults |
-
2012
- 2012-05-30 CN CN201210171794.9A patent/CN102820675B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012000517A2 (en) * | 2010-06-30 | 2012-01-05 | Vestas Wind Systems A/S | Operating a wind power plant including energy storage during grid faults |
| CN102005765A (en) * | 2010-11-18 | 2011-04-06 | 西北电网有限公司 | Grid-connected operation reactive power controlling and regulating method suitable for large wind farm |
Non-Patent Citations (1)
| Title |
|---|
| 李智等: "地区电网风电场功率超短期预测方法", 《绿色电力自动化》, vol. 34, no. 7, 10 April 2010 (2010-04-10), pages 90 - 94 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104659818A (en) * | 2013-11-21 | 2015-05-27 | 国家电网公司 | Optimal allocation method for positive and negative spinning reserve capacity in system comprising wind farm |
| CN104659818B (en) * | 2013-11-21 | 2017-10-24 | 国家电网公司 | A kind of optimum allocation method of positive and negative spinning reserve capacity in containing wind power system |
| CN116523349A (en) * | 2023-05-19 | 2023-08-01 | 北京协合运维风电技术有限公司 | Wind power station reliability analysis method and system |
| CN116523349B (en) * | 2023-05-19 | 2024-01-23 | 北京协合运维风电技术有限公司 | Wind power station reliability analysis method and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102820675B (en) | 2014-09-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Hossain et al. | Future research directions for the wind turbine generator system | |
| CN104052159B (en) | A kind of energy management controller for wind-light storage micro-grid system | |
| CN103595138B (en) | A kind of smart micro-grid system | |
| CN104281977B (en) | A kind of mixed type micro-capacitance sensor application platform and its control method | |
| CN102427244B (en) | Large-scale photovoltaic wind power information accessing system | |
| CN104184171B (en) | A kind of wind energy turbine set layer active power controller system and method | |
| CN102496948B (en) | Central-control-system-based energy storage type wind power plant | |
| CN103310306B (en) | Wind electricity storage field integrated information management system for monitoring and monitoring management method | |
| CN102354992A (en) | Reactive-power control method of wind power field | |
| WO2017118175A1 (en) | Emergency control method applicable to wind-photovoltaic power station | |
| CN107294131A (en) | A kind of new energy power station voltage control system and method based on inverter generator operation as synchronous condenser | |
| CN106130004A (en) | A kind of also site new forms of energy considering stability characteristic (quality) receive the appraisal procedure of ability | |
| CN202472396U (en) | Off-grid small wind power station monitoring system | |
| CN103793563A (en) | Wind power plant equivalent simulation module, AC/DC locomotive and power supply system of AC/DC locomotive | |
| CN207339296U (en) | A kind of distributed photovoltaic power generation energy storage management control system | |
| CN102820675B (en) | Automatic running recovery method considering real measured air speed for wind turbine generator | |
| CN105515014A (en) | Wind farm integrated reactive power control system based on protection action information and control method thereof | |
| CN103904684A (en) | Micro-grid control system and a new energy recycling system | |
| CN106385055A (en) | Safety checking method for power distribution network containing distributed power supply | |
| CN105098840A (en) | Coordinated control method for power of wind power plant and system employing coordinated control method | |
| CN104200027A (en) | Wind power plant equivalent modeling method and device with low voltage ride through characteristic considered | |
| Hatziargyriou et al. | Energy management in the Greek islands | |
| CN204361779U (en) | A kind of wind energy turbine set fault recovery system | |
| CN205961018U (en) | Wind -solar complementary street lamp and little two -way interactive power supply system of electric wire netting of new forms of energy | |
| CN104682398A (en) | Load reduction method for realizing power supply reliability of independent micronet power supply system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANGSU CHUANGHANG ELECTRIC CO., LTD. Free format text: FORMER OWNER: SHAO JUNSONG Effective date: 20131111 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 210037 NANJING, JIANGSU PROVINCE TO: 211151 NANJING, JIANGSU PROVINCE |
|
| TA01 | Transfer of patent application right |
Effective date of registration: 20131111 Address after: Jiangning District of Nanjing City, Jiangsu province 211151 Hengxi Street Community Wu Tao Wang Road No. 2-2 Applicant after: JIANGSU CHUANGHANG ELECTRICAL CO., LTD. Address before: 210037 Gulou District, Jiangsu, Nanjing Hui Lin oasis phase 1, room three, room 904 Applicant before: Shao Junsong |
|
| 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: 20140910 Termination date: 20190530 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |