CN103277251A - Method and system for controlling wind power plant - Google Patents

Method and system for controlling wind power plant Download PDF

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Publication number
CN103277251A
CN103277251A CN2013101985538A CN201310198553A CN103277251A CN 103277251 A CN103277251 A CN 103277251A CN 2013101985538 A CN2013101985538 A CN 2013101985538A CN 201310198553 A CN201310198553 A CN 201310198553A CN 103277251 A CN103277251 A CN 103277251A
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group
client end
parameter
unit
server
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CN2013101985538A
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CN103277251B (en
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谭勋琼
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Changsha University of Science and Technology
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Changsha University of Science and Technology
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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
    • Y02E10/72—Wind turbines with rotation axis in wind direction

Abstract

The invention provides a method and system for controlling a wind power plant. The system comprises a server and client sides. The server comprises a storage unit, a grouping unit and a strategy sending unit, wherein the strategy sending unit is used for sending group strategies of groups corresponding to the client sides to the client sides according to grouping results of the storage unit. Each client side comprises a strategy receiving unit and an adjustment unit, wherein parameters of power generating devices connected with the client sides are adjusted by the adjustment units to be power generating device parameters carried in the grouping strategies received by the receiving units. According to the system for controlling the wind power plant, windmills of the client sides are divided into a plurality of groups according to differences of external conditions, then the different group strategies are formulated according to conditions of each group, different environments of the windmills are flexibly used for adjusting device configuration, and therefore power generating efficiency is improved.

Description

A kind of controlling method of wind energy turbine set and system
Technical field
The present invention relates to the field of intelligent control of wind power plant, especially, relate to a kind of controlling method and system of wind energy turbine set.
Background technique
The wind energy in the whole world is about 2.74 * 109MW, and wherein available wind energy is 2 * 107MW, and is also bigger 10 times than the water energy total amount that can develop on the earth.Wind-power electricity generation utilizes the rotation of wind-drive wind wheel exactly, and the kinetic energy of keeping watch is transformed into mechanical kinetic energy, after by booster engine the rotational speed lifting being stablized, and the permanent magnet rotor winding cutting magnetic line of generator head, mechanical energy is converted into electric power kinetic energy.Because wind-power electricity generation does not need to use fuel, can not produce radiation or atmospheric pollution yet, worldwide come into one's own.
Wind-power electricity generation is often because the change of wind speed, wind direction causes the output power instability; At present, the wind energy turbine set controller is a master controller while to send single control command to the single controller on a plurality of windmills, regulates the generating efficiency of whole wind electric field.
But because the wind energy turbine set occupation of land is broad, the geographical position also differs bigger at a distance of the external environment condition of bigger windmill, and still uses same set of control command, adopts with a kind of configuration, may have influence on the generating efficiency of windmill.
Summary of the invention
The object of the invention is to provide a kind of controlling method and system of wind energy turbine set, to solve the not high technical problem of wind energy turbine set generating efficiency.
For achieving the above object, the invention provides a kind of controlling method of wind energy turbine set, comprise step:
A, in grouping standard, group result and the group policy of server storage client end, described grouping standard and group policy are corresponding with group # respectively;
B, server with each client end according to described grouping standard packet;
C, according to group result, server sends to each client end with the group policy of each group;
The electricity generating device parameter of electricity generating device parameter adjustment for carrying in the group policy that receives that D, client end connect this client end.
Preferably, step B also comprises:
B1, server receive device parameter and the enviromental parameter that client end sends, described device parameter comprises any at least in output power frequency, electric current, active power ratio or the blade rotational speed, and described enviromental parameter comprises any at least in wind speed, wind direction or the temperature;
B2, server compare the device parameter that receives and enviromental parameter and described grouping standard, this client end is enrolled in the highest group of parameter matching degree, and to be the device parameter that receives and enviromental parameter overlap number with project numerical value between the grouping standard to described parameter matching degree.
A kind of control system of wind energy turbine set comprises the server and client side,
Described server comprises:
Storage unit is used for stores packets standard, group result and group policy, and described grouping standard and group policy are corresponding with group # respectively;
Grouped element is used for compiling to some groups according to the group markups brigadier client end of described storage unit, and group result is stored to described storage unit;
Send policy unit, be used for according to the group result of described storage unit to each client end send each client end the group policy of corresponding group;
Described client end comprises:
Receive policy unit, be used for receiving described server and send the group policy that policy unit sends;
Regulation unit, being used for the electricity generating device parameter adjustment that this client end connects is the electricity generating device parameter that group policy that described reception policy unit receives is carried.
Preferably, described client end also comprises:
Collector unit, be used for collecting device parameter and enviromental parameter on this client end, described device parameter comprises any at least in output power frequency, electric current, active power ratio or the blade rotational speed, and described enviromental parameter comprises any at least in wind speed, wind direction or the temperature;
Send IVDS Information Unit, the device parameter and the enviromental parameter that are used for collector unit is collected send to server;
Described server also comprises:
Receive IVDS Information Unit, be used for receiving device parameter and the enviromental parameter that client end sends.
Preferably, the grouped element of described server, also compare for the device parameter that receiving element is received and the grouping standard of enviromental parameter and described storage unit, this client end is enrolled in the highest group of parameter matching degree, and new group result is stored to described storage unit;
To be the device parameter that receives and enviromental parameter overlap number with project numerical value between the grouping standard to described parameter matching degree.
Preferably, described grouping standard be client end geographical position, the blade rotational speed of client end or the wind speed of client end.
Preferably, described client end also comprises timing device, is used for setting the time lag that described collector unit is collected.
Preferably, described server also comprises alarm unit, is used for the device parameter information that receives in described reception IVDS Information Unit and this groups of clients strategy inconsistent the time, gives the alarm.
The present invention has following beneficial effect:
1, generating efficiency height: control system of the present invention is divided into several groups with the client end windmill according to the difference of external condition, formulate different group policies according to the situation of each group again, the varying environment adjustment equipment configuration of each windmill of flexible utilization, thus generating efficiency improved;
2, intelligent control: the practical operation situation that control system of the present invention also can be beamed back according to client end, with server in advance the stored packet standard mate flexibly, choose only group policy for client end, it is more to make that effective merit produces;
3, period conversion: control system of the present invention can be set group policy and use the time, can use the particular group strategy at special time period, is adapted to meteorological conversion plateau section frequently.
Except purpose described above, feature and advantage, the present invention also has other purpose, feature and advantage.With reference to figure, the present invention is further detailed explanation below.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not constitute improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the preferred embodiment of the present invention;
Fig. 2 is another structural representation of the preferred embodiment of the present invention;
Wherein, 10, server, 101, storage unit, 102, grouped element, 103, send policy unit, 104, receive IVDS Information Unit;
20, client end, 201, receive policy unit, 202, regulation unit, 203, collector unit, 204, send IVDS Information Unit, 205, timing unit.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated, but the present invention can implement according to the multitude of different ways that claim limits and covers.
A kind of controlling method of wind energy turbine set comprises step:
A, in grouping standard, group result and the group policy of server storage client end, described grouping standard and group policy are corresponding with group # respectively;
Group markups will definitely be thought the geographical position of client end, the blade rotational speed of client end or the relevant personalizing parameters of each client end generating efficiencies such as wind speed of client end, does not influence the realization of present embodiment.
B, server with each client end according to described grouping standard packet;
C, according to group result, server sends to each client end with the group policy of each group;
The electricity generating device parameter of electricity generating device parameter adjustment for carrying in the group policy that receives that D, client end connect this client end.Then each client end arranges modification configuration itself according to the unification of server in group policy, unified control.
In addition, step B can also comprise:
B1, server receive device parameter and the enviromental parameter that client end sends, described device parameter comprises any at least in output power frequency, electric current, active power ratio or the blade rotational speed, and described enviromental parameter comprises any at least in wind speed, wind direction or the temperature;
B2, server compare the device parameter that receives and enviromental parameter and described grouping standard, this client end is enrolled in the highest group of parameter matching degree, and to be the device parameter that receives and enviromental parameter overlap number with project numerical value between the grouping standard to described parameter matching degree.
Referring to Fig. 1, the invention also discloses a kind of control system of wind energy turbine set, comprise server 10 and client end 20,
Described server 10 comprises:
Storage unit 101 is used for stores packets standard, group result and group policy, and described grouping standard and group policy are corresponding with group # respectively, and group result is the corresponding relation of group # and client end numbering.
Group policy namely at the improvement condition of inferior position in the grouping standard, for example, is lower than the client end of rated wind speed below 50% as the grouping standard A with outside wind speed, and that corresponding group policy A is then for strengthening the blade lean angle; For example, the amplitude of fluctuation of outside wind speed per minute surpassed 50% client end as grouping standard B, that corresponding group policy B is then for reducing the export ratio of each B group client end, makes the generating output smoothing.
Grouped element 102 is used for compiling to some groups according to the group markups brigadier client end 20 of described storage unit 101, and group result is stored to described storage unit 101.
Send policy unit 103, be used for sending to each client end 20 according to the group result of described storage unit 101 group policy of each 20 corresponding group of client end.
Described client end 20 comprises:
Receive policy unit 201, be used for receiving the group policy that described server transmitting element sends.
Regulation unit 202, the electricity generating device parameter adjustment that is used for 20 connections of this client end are the electricity generating device parameter that the group policy of described reception policy unit 201 receptions is carried.
Be 3 with blade quantity, wind speed round is 20rpm, and rotor diameter is 75m, and rated wind speed is that the windmill group (comprising 10 typhoon cars) of 11m/s is example, the grouping standard that server storage unit presets is: 1-5 windmill by north uses group policy A, and 6-10 windmill by north uses group policy B.Then the server grouped element is compiled the group for A with the 1-5 windmill, and the 6-10 windmill is compiled the group for B; Send policy unit and send group policy A to the A group simultaneously, send group policy B to the B group.
After the 1-5 windmill of A group receives group policy A, be the parameter of carrying among the group policy A with the electricity generating device parameter adjustment that connects separately, the B group then is adjusted into the parameter of carrying among the group policy B.Then two groups of A, B according at personalized parameter operation of presetting separately, raise the efficiency respectively.
Regulate the windmill configuration for further exchange premium environmental change, client end 20 can also comprise:
Collector unit 203, be used for collecting device parameter and enviromental parameter on this client end 20, described device parameter comprises any at least in output power frequency, electric current, active power ratio or the blade rotational speed, and described enviromental parameter comprises any at least in wind speed, wind direction or the temperature;
Send IVDS Information Unit 204, the device parameter and the enviromental parameter that are used for collector unit 203 is collected send to server;
Described server 10 also comprises:
Receive IVDS Information Unit 104, be used for receiving device parameter and the enviromental parameter that client end 20 sends.
The grouped element 102 of described server 10, also being used for receiving device parameter that IVDS Information Unit 104 receives and the grouping standard of enviromental parameter and described storage unit 101 compares, this client end is enrolled in the highest group of parameter matching degree, and new group result is stored to described storage unit 101;
To be the device parameter that receives and enviromental parameter overlap number with project numerical value between the grouping standard to described parameter matching degree.
Be 3 with blade quantity, wind speed round is 20rpm, rotor diameter is 75m, rated wind speed is that the windmill group (comprising 10 typhoon cars) of 11m/s is example, after A group client end collector unit has been collected output power frequency, blade rotational speed and the air speed data of this client end, send IVDS Information Unit and send to server; After server receives data information, grouped element and the grouping standard that presets relatively after, find that the blade rotational speed in these group data is consistent with A group standard, and blade rotational speed and wind speed all fall within the B group critical field, namely should organize the parameter matching Du Genggao of data and B component group standard, then server this this client end is enrolled B group, behind the stores packets result, send B group group policy to this client end.
For example, the output power that server receives certain client end is enrolled other groups of regulating propeller pitch angle with it during less than the rated power in its group policy, issues the new group policy after the adjusting, make it increase the blade wind-exposuring area according to the command parameter in the new group policy, improve power.
Described group markups will definitely be thought the geographical position of client end, the blade rotational speed of client end or the wind speed of client end, and perhaps other have the parameter that can differentiate meaning, does not influence the realization of the embodiment of the invention.
Described client end 20 also comprises timing device 205, is used for setting the time lag that described collector unit 203 is collected.Then can be according to the difference of climatic change, flexible definition is to the time of server feedback information, averages out with cooperating between the environmental change in conserve system resources.
Described server 10 also comprises alarm unit, is used for giving the alarm receiving information that IVDS Information Unit 104 receives and this groups of clients strategy inconsistent the time.The group policy that server issues is inconsistent with this client device parameter feedback information that receives, and illustrates that this client end can not be configured to relevant parameter in the group policy, then needs adjustment equipment or adjusts group policy, reminds the operator with alarm song, arouses attention.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (8)

1. the controlling method of a wind energy turbine set is characterized in that, comprises step:
A, in grouping standard, group result and the group policy of server storage client end, described grouping standard and group policy are corresponding with group # respectively;
B, server with each client end according to described grouping standard packet;
C, according to group result, server sends to each client end with the group policy of each group;
The electricity generating device parameter of electricity generating device parameter adjustment for carrying in the group policy that receives that D, client end connect this client end.
2. the controlling method of a kind of wind energy turbine set according to claim 1 is characterized in that, step B also comprises:
B1, server receive device parameter and the enviromental parameter that client end sends, described device parameter comprises any at least in output power frequency, electric current, active power ratio or the blade rotational speed, and described enviromental parameter comprises any at least in wind speed, wind direction or the temperature;
B2, server compare the device parameter that receives and enviromental parameter and described grouping standard, this client end is enrolled in the highest group of parameter matching degree, and to be the device parameter that receives and enviromental parameter overlap number with project numerical value between the grouping standard to described parameter matching degree.
3. the control system of a wind energy turbine set is characterized in that, comprises the server and client side,
Described server comprises:
Storage unit is used for stores packets standard, group result and group policy, and described grouping standard and group policy are corresponding with group # respectively;
Grouped element is used for compiling to some groups according to the group markups brigadier client end of described storage unit, and group result is stored to described storage unit;
Send policy unit, be used for according to the group result of described storage unit to each client end send each client end the group policy of corresponding group;
Described client end comprises:
Receive policy unit, be used for receiving described server and send the group policy that policy unit sends;
Regulation unit, being used for the electricity generating device parameter adjustment that this client end connects is the electricity generating device parameter that group policy that described reception policy unit receives is carried.
4. the control system of a kind of wind energy turbine set according to claim 3 is characterized in that, described client end also comprises:
Collector unit, be used for collecting device parameter and enviromental parameter on this client end, described device parameter comprises any at least in output power frequency, electric current, active power ratio or the blade rotational speed, and described enviromental parameter comprises any at least in wind speed, wind direction or the temperature;
Send IVDS Information Unit, the device parameter and the enviromental parameter that are used for collector unit is collected send to server;
Described server also comprises:
Receive IVDS Information Unit, be used for receiving device parameter and the enviromental parameter that client end sends.
5. the control system of a kind of wind energy turbine set according to claim 4, it is characterized in that, the grouped element of described server, also compare for the device parameter that receiving element is received and the grouping standard of enviromental parameter and described storage unit, this client end is enrolled in the highest group of parameter matching degree, and new group result is stored to described storage unit;
To be the device parameter that receives and enviromental parameter overlap number with project numerical value between the grouping standard to described parameter matching degree.
6. the control system of a kind of wind energy turbine set according to claim 5 is characterized in that, the geographical position that described grouping standard is client end, the blade rotational speed of client end or the wind speed of client end.
7. the control system of a kind of wind energy turbine set according to claim 6 is characterized in that, described client end also comprises timing device, is used for setting the time lag that described collector unit is collected.
8. according to the control system of each described a kind of wind energy turbine set of claim 4 to 7, it is characterized in that, described server also comprises alarm unit, is used for the device parameter information that receives in described reception IVDS Information Unit and this groups of clients strategy inconsistent the time, gives the alarm.
CN201310198553.8A 2013-05-24 2013-05-24 Method and system for controlling wind power plant Expired - Fee Related CN103277251B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105552879A (en) * 2014-10-30 2016-05-04 国家电网公司 Planning method based on urban small-scale wind power generation discrete distribution

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US20040230377A1 (en) * 2003-05-16 2004-11-18 Seawest Holdings, Inc. Wind power management system and method
CN101919134A (en) * 2007-12-19 2010-12-15 维斯塔斯风力系统集团公司 Event-based control system for wind turbine generators
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105552879A (en) * 2014-10-30 2016-05-04 国家电网公司 Planning method based on urban small-scale wind power generation discrete distribution
CN105552879B (en) * 2014-10-30 2018-11-20 国家电网公司 A kind of planing method based on the discrete distribution of urban small wind-power electricity generation

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