CN106385059B - A kind of wind power plant AGC control method of adj sp - Google Patents
A kind of wind power plant AGC control method of adj sp Download PDFInfo
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- CN106385059B CN106385059B CN201610882759.6A CN201610882759A CN106385059B CN 106385059 B CN106385059 B CN 106385059B CN 201610882759 A CN201610882759 A CN 201610882759A CN 106385059 B CN106385059 B CN 106385059B
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000003111 delayed effect Effects 0.000 claims abstract description 6
- 230000005611 electricity Effects 0.000 abstract description 9
- 230000002411 adverse Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000011218 segmentation Effects 0.000 abstract description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
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- 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
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
- H02J3/48—Controlling the sharing of the in-phase component
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- H02J3/386—
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Wind Motors (AREA)
- Control Of Eletrric Generators (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The present invention relates to a kind of wind power plant AGC control method of adj sp, including the following steps: (1) calculate wind power plant always active P；(2) the AGC active command P that power grid issues is readAGC, set wind power plant always active rate changing value as rSetting, the substation wind power plant AGC is divided into T between issuing the instruction timeIn；(3) the wind power plant active difference DELTA P=with AGC instruction total in real time is calculated | P-PAGC|；(4) if | P-PAGC|≤PDead zone, then return step 1, if P-PAGC> PDead zone, then it is transferred to the 1. step of the drop power control of step (5), if PAGC- P > PDead zone, then it is transferred to the 1. step of step (6) power per liter control；(7) be delayed TIn, it is then returned to step (1) and forms circulation.The present invention issues AGC instruction by the segmentation that is delayed, and realizes the control of wind power plant AGC regulations speed, reduces the adverse effect that the active variation of wind-powered electricity generation generates power grid, is conducive to the safety of wind-powered electricity generation active control accurate and power grid.
Description
Technical field
The invention belongs to Automatic Generation Control technical field, the wind power plant AGC control method of especially a kind of adj sp.
Background technique
With the continuous growth of wind capacity integrated into grid, wind-powered electricity generation is included in AGC system and has become guarantee wind electricity digestion and power grid
It is necessary of both safety.The implementation and regulation performance of wind power plant AGC function all have larger difference with traditional AGC unit.
This regulates and controls work for wind power plant AGC and brings new problem.
The AGC function of wind power plant is generally realized by establishing the substation AGC in wind power plant.The substation wind power plant AGC is on the one hand
It establishes wind power plant and dispatches the communication channel of AGC main website, wind power plant is made to have the function of exchanging with master information, on the other hand
It is instructed according to AGC and calculates and issue practical active command in field, the automatic adjustment whole audience is active, it is made to follow main website by given pace
AGC instructs steady change, to realize the AGC function of wind power plant.Currently, the control method that the substation wind-powered electricity generation AGC uses is generally straight
The AGC instruction that trace scheduling mechanism issues is connect, regulations speed is not limited.Wind power plant is run in national standard GB/T19963
In active variation limit value made regulation.During wind power plant participates in AGC ancillary service, if it is active not limit the whole audience
Rate of change, it would be possible to so that active variation in a period of time exceeds the limit value of national standard defined.It is therefore desirable to mention
The wind-powered electricity generation AGC control method of a kind of adj sp out.
Summary of the invention
The purpose of the present invention is in view of the deficiencies of the prior art, and propose a kind of wind power plant AGC controlling party of adj sp
Method.
The present invention solves its technical problem and adopts the following technical solutions to achieve:
A kind of wind power plant AGC control method of adj sp, comprises the following steps that
(1) all real-time active power outputs in fortune blower of wind power plant are read, wind power plant always active P is calculated；
(2) the AGC active command P that dispatching of power netwoks mechanism issues is readAGC, set wind power plant always active rate changing value as
rSetting, the substation wind power plant AGC is divided into T between issuing the instruction timeIn；
(3) the wind power plant active difference DELTA P=with AGC instruction total in real time is calculated | P-PAGC|；
(4) judge whether difference DELTA P is more than dead zone setting value PDead zoneIf: | P-PAGC|≤PDead zone, then return step 1, if
P-PAGC> PDead zone, then it is transferred to the 1. step of the drop power control of step (5), if PAGC- P > PDead zone, then it is transferred to step (6) power per liter
The 1. step of control；
(5) power control drops, and specific steps include:
1. if Δ P < TIn·rSetting, then total active command P in the field that the substation AGC issuesIn=P- Δ P, enters step
(7)；
2. if Δ P >=TIn·rSetting, then total active command P in the field that the substation AGC issuesIn=P-TIn·rSetting, enter
Step (7)；
(6) power per liter controls, and comprises the following specific steps that:
1. if Δ P < TIn·rSetting, then total active command P in the field that the substation AGC issuesIn=P+ Δ P, enters step
(7)；
2. if Δ P >=TIn·rSetting, then total active command P in the field that the substation AGC issuesIn=P+TIn·rSetting, enter
Step (7)；
(7) be delayed TIn, it is then returned to step (1) and forms circulation.
The advantages and positive effects of the present invention are:
1, the invention proposes a kind of wind power plant AGC control methods of adj sp, issue AGC by the segmentation that is delayed and refer to
It enables, realizes the control of wind power plant AGC regulations speed, provide the control active variation of wind power plant for operations staff or regulating and controlling mechanism
The approach of rate.
2, the method for the present invention guarantee reach control purpose under the premise of, reduce in wind-powered electricity generation AGC adjustment process it is active go out
Fluctuation reduces the adverse effect that the active variation of wind-powered electricity generation generates power grid, is conducive to wind-powered electricity generation active control accurate and power grid
Safety.
Detailed description of the invention
Fig. 1 is the flow chart of the method for the present invention, in figure: condition 1 is | P-PAGC|≤PDead zone；Condition 2 is P-PAGC> PDead zone；Item
Part 3 is PAGC- P > PDead zone, in formula, P is that wind power plant is always active, PAGCFor the AGC active command that dispatching of power netwoks mechanism issues, PDead zone
For wind power plant real power control dead zone setting value.
Specific embodiment
The embodiment of the present invention is further described below: it is emphasized that embodiment of the present invention is explanation
Property, without being restrictive, therefore the present invention is not limited to the embodiments described in specific embodiment, all by this field
The other embodiment that technical staff obtains according to the technique and scheme of the present invention, also belongs to the scope of protection of the invention.
A kind of wind power plant AGC control method of adj sp, as shown in Figure 1, comprising the following steps that
(1) all real-time active power outputs and operating status in fortune blower of wind power plant are read, wind power plant always active P is calculated；
(2) the AGC active command P that dispatching of power netwoks mechanism issues is readAGC, set wind power plant always active rate changing value as
rSetting, the substation wind power plant AGC is divided into T between issuing the instruction timeIn；
(3) the wind power plant active difference DELTA P=with AGC instruction total in real time is calculated | P-PAGC|；
(4) judge whether difference DELTA P is more than dead zone setting value PDead zoneIf: | P-PAGC|≤PDead zone, then return step 1, if
P-PAGC> PDead zone, then it is transferred to the 1. step of the drop power control of step (5), if PAGC- P > PDead zone, then it is transferred to step (6) power per liter
The 1. step of control；
(5) power control is dropped, is comprised the following specific steps that:
1. if Δ P < TIn·rSetting, then total active command P in the field that the substation AGC issuesIn=P- Δ P, enters step
(7)；
2. if Δ P >=TIn·rSetting, then total active command P in the field that the substation AGC issuesIn=P-TIn·rSetting, enter
Step (7)；
(6) power per liter controls, and comprises the following specific steps that:
1. if Δ P < TIn·rSetting, then total active command P in the field that the substation AGC issuesIn=P+ Δ P, enters step
(7)；
2. if Δ P >=TIn·rSetting, then total active command P in the field that the substation AGC issuesIn=P+TIn·rSetting, enter
Step (7)；
(7) be delayed TIn, it is then returned to step (1) and forms circulation.
Claims (1)
1. a kind of wind power plant AGC control method of adj sp, it is characterised in that comprise the following steps that
(1) all real-time active power outputs in operation blower of wind power plant are read, wind power plant always active P is calculated；
(2) the AGC active command P that dispatching of power netwoks mechanism issues is readAGC, set wind power plant always active rate changing value as rSetting,
The substation wind power plant AGC is divided into T between issuing the instruction timeIn；
(3) the wind power plant active difference DELTA P=with AGC instruction total in real time is calculated | P-PAGC|；
(4) judge whether difference DELTA P is more than dead zone setting value PDead zoneIf: | P-PAGC|≤PDead zone, then return step (1), if P-
PAGC> PDead zone, then it is transferred to the 1. step of the drop power control of step (5), if PAGCThe dead zone-P > P is then transferred to step (6) power per liter
The 1. step of control；
(5) power control drops, and specific steps include:
1. if Δ P < TIn·rSetting, then total active command P in the field that the substation AGC issuesIn=P- Δ P, enters step (7)；
2. if Δ P >=TIn·rSetting, then P interior=P-T of total active command in the field that the substation AGC issuesIn·rSetting, into step
Suddenly (7)；
(6) power per liter controls, and comprises the following specific steps that:
1. if Δ P < TIn·rSetting, then total active command P in the field that the substation AGC issuesIn=P+ Δ P, enters step (7)；
2. if Δ P >=TIn·rSetting, then total active command P in the field that the substation AGC issuesIn=P+TIn·rSetting, enter step
(7)；
(7) it is delayed in T, is then returned to step (1) and forms circulation.
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| CN201610882759.6A CN106385059B (en) | 2016-10-10 | 2016-10-10 | A kind of wind power plant AGC control method of adj sp |
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| CN201610882759.6A CN106385059B (en) | 2016-10-10 | 2016-10-10 | A kind of wind power plant AGC control method of adj sp |
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| CN106385059B true CN106385059B (en) | 2019-11-08 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104682437A (en) * | 2015-02-11 | 2015-06-03 | 范征 | Active/reactive real-time closed loop droop control method of wind power plant |
| CN105978041A (en) * | 2016-03-23 | 2016-09-28 | 三重型能源装备有限公司 | Active power control method for wind power station configured with marker post draught fans |
| CN106655278A (en) * | 2015-10-29 | 2017-05-10 | 中国电力科学研究院 | Operation data-based wind power farm active power and reactive voltage control evaluation method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102624023B (en) * | 2011-01-31 | 2014-07-09 | 华锐风电科技(集团)股份有限公司 | Reactive voltage control system of wind farm of doubly-fed set |
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- 2016-10-10 CN CN201610882759.6A patent/CN106385059B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104682437A (en) * | 2015-02-11 | 2015-06-03 | 范征 | Active/reactive real-time closed loop droop control method of wind power plant |
| CN106655278A (en) * | 2015-10-29 | 2017-05-10 | 中国电力科学研究院 | Operation data-based wind power farm active power and reactive voltage control evaluation method |
| CN105978041A (en) * | 2016-03-23 | 2016-09-28 | 三重型能源装备有限公司 | Active power control method for wind power station configured with marker post draught fans |
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