CN102231072A - Wind energy electric field communication controller, system and centralized control method - Google Patents
Wind energy electric field communication controller, system and centralized control method Download PDFInfo
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Abstract
The invention relates to the field of communication and control of a wind energy electric field, in particular to a wind energy electric field communication controller, a system and a centralized control method. A communication unit of the communication controller communicates with a plurality of fan servers through a plurality of fan server interfaces and communicates with a centralized control server; a matching unit identifies an acquisition message or identifies a control message sent by the centralized control server and matches a communication protocol corresponding to the acquisition message or the control message; a reading unit acquires fan information in the acquisition message or acquires control information in the control message according to the communication protocol; and a packaging unit packages the fan information into a data message of a preset protocol and sends the data message to the centralized control server through the communication unit, or packages the control information into a sub-control message supported by a corresponding fan server protocol and sends the sub-control message to the fan server through the communication unit. By the method, different brands of fans made by different manufacturers in a plurality of wind electric fields can be controlled in a centralized mode.
Description
Technical field
The present invention relates to the communication and the control field of wind energy electric field, particularly about a kind of wind energy electric field communication controler, system and centralized control method.
Background technology
Data according to the world two big wind energy professional institutions " EWEA (EWEA) " and " GWEC (GWEC) " up-to-date issue, global wind-power market development in 2009 rapidly, the aerogenerator total installation of generating capacity reaches 37500 megawatts, be equivalent to 23 third generation nuclear reactor nuclear power generating sets (EPR) generated energy, the wind-powered electricity generation rate of growth is up to 31%.Wind energy market, world installation construction fund reaches 45,000,000,000 Euros, and 500,000 jobs are provided.This clean energy resource of wind energy can reduce by 2.04 hundred million tons CO2 emission every year.
In China, 8 departments such as National Development and Reform Committee's meeting in 2006, the Department of Science and Technology, the Ministry of Finance unite and have put into effect " Eleventh Five-Year Plan ten big emphasis energy conservation project implementation guidelines ".Support the policy guidance of environmental protection and energy-conservation industry according to the standard of ten energy-conservation priority projects and government, the futurity industry device energy conservation renovates, building energy conservation, fuel-economizing and oil replacement and these several big energy-saving field of regenerative resource will obtain fast development.
In the prior art, the position of wind power generation field is because the factor of natural conditions and geographical environment is unfixing, often several wind power generations field is to a slice regional power supply, blower fan in each wind power generation field may be from different vendor, the model of blower fan, communication protocol, control method etc. are all inequality, this has just caused a plurality of wind power generations field control disunity, not problem easily.
Summary of the invention
The embodiment of the invention provides a kind of wind energy electric field communication controler, system and centralized control method, is used for solving prior art wind energy electric field communication inconvenience, because the untimely problems such as production safety hidden danger that cause of monitoring.
The embodiment of the invention provides a kind of wind energy electric field communication controler, comprising:
Communication unit, a plurality of blower fan server interfaces, matching unit, reading unit, encapsulation unit;
Described communication unit is connected with described a plurality of blower fan server interfaces, and described communication unit is by described a plurality of blower fan server interfaces and a plurality of blower fan server communication; Perhaps described communication unit communicates with collection control server;
Described communication unit is connected with described matching unit, described matching unit is discerned the collection message of described a plurality of blower fan servers or is discerned the control message that described collection control server sends, and matches and described collection message or control message corresponding communication agreement;
Described reading unit is connected with described matching unit, obtains blower fan information in the described collection message according to described communication protocol, perhaps obtains the control information in the control message;
Described encapsulation unit is connected with communication unit with described reading unit respectively, and the data message that described blower fan information is encapsulated as predetermined protocol sends to described collection control server by described communication unit; Perhaps described control information is encapsulated as the son control message that corresponding blower fan server protocol is supported, sends to described blower fan server by described communication unit.
A further aspect according to the described a kind of wind energy electric field communication controler of the embodiment of the invention, has a mapping block in the described matching unit, the communication protocol that is stored with different vendor's blower fan server and is supported, described matching unit goes out and described collection message or control message corresponding communication agreement according to the content match in the described mapping block.
Another further aspect according to the described a kind of wind energy electric field communication controler of the embodiment of the invention, also comprise the Data Format Transform unit, be connected with described encapsulation unit, with the blower fan information translation of different data format is the blower fan information of uniform data form, the blower fan information of described uniform data form is encapsulated as the data message of predetermined protocol by encapsulation unit, the control information of uniform data form is converted to the control information of corresponding different blower fan server data forms, the control information of described different blower fan server data forms is encapsulated as the son control message that corresponding blower fan server protocol is supported by encapsulation unit.
Another further aspect according to the described a kind of wind energy electric field communication controler of the embodiment of the invention also comprises transformer station's telemechanical interface, is connected with described communication unit, communicates by described transformer station telemechanical interface and transformer station.
Another further aspect according to the described a kind of wind energy electric field communication controler of the embodiment of the invention also comprises the electric energy metrical interface, is connected with described communication unit, and the electric energy metrical station by described electric energy metrical interface and far-end communicates.
Another further aspect according to the described a kind of wind energy electric field communication controler of the embodiment of the invention also comprises database server, is connected with described reading unit, and the blower fan information or the control information of reading are stored.
The embodiment of the invention also provides a kind of wind energy electric field centralized control system, comprising: as any described communication controler of claim 1 to 6, and collection control server, a plurality of blower fan servers;
Described communication controler is connected with a plurality of described blower fan servers, the data message that will be converted to predetermined protocol from the collection message that described blower fan server obtains sends described collection control server to, and the son control message that maybe will be converted to corresponding blower fan server from the control message that described collection control server obtains sends the blower fan server to;
Described collection control server is connected with described communication controler, obtains described blower fan information according to described data message, generates the control message according to the control law that pre-establishes and sends to described communication controler;
Described blower fan server is connected with described communication controler, and the collection message of a plurality of blower fans is sent to communication controler, and the son control message that perhaps communication controler is sent sends to corresponding blower fan.
According to a further aspect of the described a kind of wind energy electric field centralized control system of the embodiment of the invention, described collection control server further comprises, and blower fan utilization factor computing unit is according to the utilization factor of described blower fan information calculations blower fan.
Another further aspect according to the described a kind of wind energy electric field centralized control system of the embodiment of the invention, described collection control server also further comprises, wind powertrace computing unit and condition restriction unit, described condition restriction unit is connected with described wind powertrace computing unit, be input to described wind powertrace computing unit after filtering out the data that conform to a predetermined condition by described condition restriction unit, described wind powertrace computing unit calculates the wind powertrace.
Another further aspect according to the described a kind of wind energy electric field centralized control system of the embodiment of the invention, described collection control server also comprises, weather information receiving element and power prediction unit, described weather information receiving element is connected with described power prediction unit, described weather information receiving element is used to receive the on-site weather information of wind field, and described weather information of described power prediction unit by using and blower fan information calculations go out the predicted power of wind field.
According to another further aspect of the described a kind of wind energy electric field centralized control system of the embodiment of the invention, described collection control server comprises that also database server is used to store blower fan information and/or weather information.
According to another further aspect of the described a kind of wind energy electric field centralized control system of the embodiment of the invention, display unit is connected with the power prediction unit with blower fan utilization factor computing unit, wind powertrace computing unit respectively, is used for video data.
Another further aspect according to the described a kind of wind energy electric field centralized control system of the embodiment of the invention also comprises the supervisory control of substation device, and the transformer station of each wind field is monitored, and monitored results is sent to collection control server by communication controler.
The embodiment of the invention also provides a kind of wind energy electric field centralized control method, comprises,
The corresponding blower fan information of a plurality of blower fan collection of server will be gathered message and be sent to communication controler;
The data message that described communication controler is converted to predetermined protocol with described collection message sends described collection control server to;
Described collection control server obtains described blower fan information according to described data message, generates the control message according to the control law that pre-establishes and sends to described communication controler;
The son control message that described communication controler will be converted to corresponding blower fan server from the control message that described collection control server obtains sends the blower fan server to;
Described blower fan server is controlled corresponding blower fan according to described son control message.
A further aspect according to the described a kind of wind energy electric field centralized control method of the embodiment of the invention, send in the described collection control server at the data message that described communication controler is converted to predetermined protocol with described collection message, described communication controler receives described collection message, discerns described collection message and matches and described collection message corresponding communication agreement; Obtain blower fan information in the described collection message according to described communication protocol; The data message that described blower fan information is encapsulated as predetermined protocol sends described collection control server to.
Another further aspect according to the described a kind of wind energy electric field centralized control method of the embodiment of the invention, the son control message that will be converted to corresponding blower fan server at described communication controler from the control message that described collection control server obtains sends to the blower fan server, described communication controler receives described control message, discerns described control message and matches and described control message corresponding communication agreement; Obtain control information in the described control message according to described communication protocol; The son control message that described control information is encapsulated as the support of corresponding blower fan server protocol sends the blower fan server to.
Another further aspect according to the described a kind of wind energy electric field centralized control method of the embodiment of the invention, before sending described collection control server to, the described data message that described blower fan information is encapsulated as predetermined protocol also comprises, with the blower fan information translation of different data format is the blower fan information of uniform data form, and the data message that again blower fan information is encapsulated as predetermined protocol sends described collection control server to;
The son control message that described control information is encapsulated as the support of corresponding blower fan server protocol also comprises before sending the blower fan server to, the control information of uniform data form is converted to corresponding different blower fan data in server form, and the son control message that more described control information is encapsulated as the support of corresponding blower fan server protocol sends the blower fan server to.
Another further aspect according to the described a kind of wind energy electric field centralized control method of the embodiment of the invention, send in the described collection control server at the data message that described communication controler is converted to predetermined protocol with described collection message and also to comprise, described communication controler also obtains transformer station's information by transformer station's telemechanical interface, and sends described transformer station information to collection control server.
Another further aspect according to the described a kind of wind energy electric field centralized control method of the embodiment of the invention, obtain described blower fan information at described collection control server according to described data message, generate the control message according to the control law that pre-establishes and send in the described communication controler and also comprise, according to the utilization factor of described blower fan information calculations blower fan.
Another further aspect according to the described a kind of wind energy electric field centralized control method of the embodiment of the invention, obtain described blower fan information at described collection control server according to described data message, generate the control message according to the control law that pre-establishes and send in the described communication controler and also comprise, calculate the wind powertrace after the data that described blower fan information filtering is fallen to conform to a predetermined condition.
According to another further aspect of the described a kind of wind energy electric field centralized control method of the embodiment of the invention, receive the on-site weather information of wind field, utilize described weather information and blower fan information calculations to go out the predicted power of wind field.
By embodiments of the invention, can a plurality of wind energy turbine set of centralized control in the blower fan of different brands and manufacturer, realized highly compatible, the safety in production of wind energy turbine set is monitored effectively, guaranteed the safety of wind energy turbine set; Can obtain more comprehensively wind energy turbine set information in the centralized control center, understand the ruuning situation of Fan Equipment, when electrical network was assigned the limited load instruction, system generated blower fan stoppage in transit maintenance order automatically, for operator on duty's operation provides foundation.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Figure 1 shows that a kind of wind energy electric field of embodiment of the invention communication controler structural representation;
Figure 2 shows that the structural representation of a kind of wind energy electric field of the present invention centralized control system;
Fig. 3 is an embodiment of the invention blower fan utilization factor synoptic diagram;
Figure 4 shows that the process flow diagram of a kind of wind energy electric field of embodiment of the invention centralized control method.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Be illustrated in figure 1 as a kind of wind energy electric field of embodiment of the invention communication controler structural representation.
Comprise communication unit 101, a plurality of blower fan server interfaces 102, matching unit 103, reading unit 104, encapsulation unit 105.
Described communication unit 101 is connected with described a plurality of blower fan server interfaces 102, and described communication unit 101 is by described a plurality of blower fan server interfaces 101 and a plurality of blower fan server communications; Perhaps described communication unit 101 communicates with collection control server.Wherein, described communication unit 101 can adopt that formation buffer memory, self-defining type identification have an accident to be different from other common telemetry, to have solved at blower fan, the problem of losing is uploaded in fan condition and warning during the fan condition conversion.Wherein common telemetry is meant, except important blower fan telemetry other blower fan data in addition such as fault, warning, state; Described self-defining type identification is meant, do not have special in the Iec104 agreement to some important telemetry type, for example therefore the type of important telemetries such as fault, warning or state uses special type identification to carry out priority processing to discern these important telemetries.
Described communication unit 101 is connected with described matching unit 103, described matching unit 103 is discerned the collection message of described a plurality of blower fan servers or is discerned the control message that described collection control server sends, and matches and described collection message or control message corresponding communication agreement.
Have a mapping block in the described matching unit 103, the communication protocol that is stored with different vendor's blower fan server and is supported, described mapping block for example stores the information as following table 1:
Table 1
| Blower fan producer | Communications protocol |
| Gold wind | Opc2.0 |
| Bright sun | OPC1.0 |
| The cutting edge of a knife or a sword electric energy | OPC2.0 |
| Su Silan | OPC2.0 |
| Grace | The self-defined WPMSDPC.DLL function interface of producer |
| Power closes in the Electricity Federation in state | OPC2.0 |
| The control message of collection control server | Opc2.0 |
Described reading unit 104 is connected with described matching unit 103, obtains blower fan information in the described collection message according to described communication protocol, perhaps obtains the control information in the control message.Wherein, described blower fan information comprises blower fan telemetry, blower fan warning message, fan condition information etc.; Described control information comprises blower fan guidance command (fan starting, shut down, reset), wind field control command (control of wind field power) and transformer station's guidance command, remote regulating order etc.
Described encapsulation unit 105 is connected with communication unit 101 with described reading unit 104 respectively, and the data message that described blower fan information is encapsulated as predetermined protocol sends collection control server to by described communication unit 101; Perhaps described control information is encapsulated as the son control message that corresponding blower fan server protocol is supported, sends the blower fan server to by described communication unit 101.
Described blower fan information is encapsulated as the data message of predetermined protocol to described encapsulation unit 105 or control message that collection control server sends for example can be the basis with existing IEC104, and this agreement expanded, realize the transmission of data message, the corresponding relation of IEC104 protocol extension sees the following form shown in 2:
Table 2
| The blower fan data type | The IEC104 type |
| Fan condition | Target integer quantity, variation transmission during band |
| Alert data | Target integer quantity, variation transmission during band |
| General data | Measured value |
| Power control | Setting value |
| Remote control (blower fan opens, stops, resets) | Integer controlled quentity controlled variable, polymorphic |
Wherein, also comprise Data Format Transform unit 106, be connected with described encapsulation unit 105, can be the blower fan information of consolidation form with the blower fan information translation of different data format according to data layout mark sheet or predefined rule, the control information of uniform data form is converted at different blower fan data in server forms, described predefined rule can be the data that the data of certain field in the blower fan information are converted to specific fields, specific fields is reserved sufficiently long space, to adapt to the blower fan information of different vendor, perhaps can also be for example, although the communications protocol of gold wind 1500 blower fans adopts this standard agreement of opc2.0, the following character string of the data layout of alert data wherein: report to the police 1, report to the police 2, report to the police 3, report to the police 4, report to the police 5; The warning message of above-mentioned data layout can be converted to the integer sequence of a plurality of band markers (time mark), above-mentioned data layout mark sheet can be as shown in table 3 below:
Table 3
Can also comprise transformer station's telemechanical interface 107, be connected with described communication unit 101, can communicate with transformer station by described transformer station telemechanical interface 107, for example obtain transformer station's remote measurement, remote signalling and SOE warning message information such as (target remote signalling displacements during the band of IEC 104 agreements the inside), perhaps, for example comprise guidance command and remote regulating order to transformer station's communicating control information.In above-mentioned and the transformer substation communication process, can gather the operational factor of transformer station's electrical equipment by the supervisory control of substation device, voltage is arranged, electric current, active power, reactive power, power factor, frequency, the switching value of transformer station's electrical equipment and warning message etc., TT﹠C system by transformer station sends the Information Monitoring of transformer station to communication unit 101 again, the TT﹠C system of this transformer station can also receive the control message of the collection control server that is sended over by communication unit 101, realize transformer substation switch, the distant place separating brake of disconnecting link, control operations such as combined floodgate, can also carry out the adjusting of main transformer on-load tap changer gear, the gear of rising or reduction main transformer on-load tap changer, variation according to system voltage can be adjusted busbar voltage in real time, guarantees the stable operation of blower fan system.
Can also comprise electric energy metrical interface 108, be connected with described communication unit 101, can communicate with the electric energy metrical station of far-end by described electric energy metrical interface 108, for example obtain the electric continuous data at the electric energy metrical station of far-end, perhaps send the calling order, wherein obtain calculating, statistics and form that electric continuous data is used for electrical metering system to far-end electric energy metrical station.
Can also comprise database server 109, be connected, the blower fan information or the control information of reading be stored, as data backup with described reading unit 104.
By the communication controler among the invention described above embodiment, can realize the purpose of compatible a plurality of brand blower fan different communication protocol, thereby can unify to control the blower fan of long-range a plurality of wind fields.
Be illustrated in figure 2 as the structural representation of a kind of wind energy electric field of the present invention centralized control system.
Comprise described communication controler 201, collection control server 202, a plurality of blower fan servers 203 as above-mentioned Fig. 1.
Described communication controler 201 is connected with a plurality of described blower fan servers 203, the data message that will be converted to predetermined protocol from the collection message that described blower fan server 203 obtains sends described collection control server 202 to, and the son control message that maybe will be converted to corresponding blower fan server from the control message that described collection control server 202 obtains sends blower fan server 203 to.
Described collection control server 202 is connected with described communication controler 201, obtains described blower fan information according to described data message, generates the control message according to the control law that pre-establishes and sends to described communication controler 201.
Described blower fan server 203 is connected with described communication controler 201, and the collection message of a plurality of blower fans is sent to communication controler 201, and the son control message that perhaps communication controler 201 is sent sends to corresponding blower fan.
Described collection control server 202 further comprises, blower fan utilization factor computing unit 2021, be used for utilization factor according to described blower fan information calculations blower fan, for example can calculate separate unit blower fan availability as follows, the unplanned stoppage in transit of separate unit blower fan availability=1-separate unit blower fan amounts to statistics hourage in hourage/timing statistics section (time period of choosing for the user of the statistics hourage in the timing statistics section wherein, can be the random time section, for example certain day or certain month), one month utilization factor computing formula of certain brand blower fan is: the total unplanned stoppage in transit hourage of 1-/(the blower fan platform is counted the statistics hourage in the * separate unit blower fan moon timing statistics section) (wherein the statistics hourage in the separate unit blower fan moon timing statistics section is meant the hourage in the random time section that the user chooses).The computing method of loss electric weight: the blower fan single failure is shut down the electric weight that opens the internal loss of machine time and is calculated separately; computing formula: ∑ (in this fan trouble section stop time in per 10 minutes mean wind speeds of certain the brand blower fan calibration power curve down corresponding power * 0.17 hour) (promptly in certain period repeatedly the loss electric weight of disorderly closedown sue for peace; add up according to the generated energy of same brand blower fan in the identical time period); stop time, less than 10 minutes was calculated by shutdown the number of minutes/60 of reality.Wherein, certain the typhoon machine utilization factor that calculates can be as shown in Figure 3, and described failure cause is discerned by the alarm code in the alert data, the corresponding fault content of each alarm code.
Described collection control server also further comprises, wind powertrace computing unit 2022 and condition restriction unit 2023, described condition restriction unit 2023 is connected with described wind powertrace computing unit 2022, described blower fan information calculations parameter is a wind speed, power, fan condition, warning message etc., these parameters all are that described collection control server obtains from communication controler, be input to described wind powertrace computing unit 2022 filter out the blower fan information calculations parameter that conforms to a predetermined condition by described condition restriction unit 2023 after, described wind powertrace computing unit 2022 utilizes the calculating parameter in the blower fan information to calculate the wind powertrace, the supvr can monitor and control blower fan according to described wind powertrace, the computing method of its apoplexy powertrace are prior art, repeat no more in this application.
The described blower fan information calculations parameter that conforms to a predetermined condition that filters out comprises that removal does not meet the wind speed of the basis of calculation, and reference value is 25 meters of wind speed maximal values, 2.5 meters of minimum value.Removal does not meet the performance number of the basis of calculation, and when power rating was 1500w, peaked reference value was 1600w, and when power rating was 1200w, peaked reference value was 1300w, and the minimum value of power is 0.Fan condition must be incorporated into the power networks (being incorporated into the power networks the state of i.e. generating and power supply).Fan condition from other status transitions to and during net state, segment data is removed (reference time is 2 minutes) during initial after being incorporated into the power networks.Blower fan is from the status transition that is incorporated into the power networks during to other states, during last being incorporated into the power networks segment data remove (with reference to the period be 2 minutes).Blower fan is under the situation of limit power, and its data are not as the computational data of powertrace.
Described collection control server 202 also comprises, weather information receiving element 2024 and power prediction unit 2025, described weather information receiving element 2024 is connected with described power prediction unit 2025, described weather information receiving element 2024 is used to receive the on-site weather information of wind field, and described power prediction unit 2025 utilizes described weather information and blower fan information calculations to go out the predicted power of wind field.
Described collection control server 202 comprises that also database server 2026 is used to store data such as blower fan information and/or weather information.
Described collection control server also comprises, display unit 2027, be connected with blower fan utilization factor computing unit 2021, wind powertrace computing unit 2022, power prediction unit 2025, be used for video data, described display unit 2027 can comprise display screen, touch display screen etc.
Described wind energy electric field centralized control system also comprises supervisory control of substation device 204, and the transformer station of each wind field is monitored, and monitored results is sent to collection control server 202 by communication controler 201, carries out the security control of transformer station.Wherein, the supervisory control of substation device is positioned at described transformer station, electric weight is gathered, calculates, stores, is added up, and the data of its acquisition are sent to collection control server 202 by communication controler 201.
Be illustrated in figure 4 as the process flow diagram of a kind of wind energy electric field of embodiment of the invention centralized control method.
Comprise, step 401, the corresponding blower fan information of a plurality of blower fan collection of server will be gathered message and be sent to communication controler.Described communication controler can adopt that the stipulations transmission of formation buffer memory, special type has an accident to be different from other common telemetry, to have solved at blower fan, the problem of losing is uploaded in fan condition and warning during the fan condition conversion.
Step 402, the data message that described communication controler is converted to predetermined protocol with described collection message send described collection control server to.
Step 403, described collection control server obtains described blower fan information according to described data message, generates the control message according to the control law that pre-establishes and sends to described communication controler.
The son control message that step 404, described communication controler will be converted to corresponding blower fan server from the control message that described collection control server obtains sends the blower fan server to.
Step 405, described blower fan server is controlled corresponding blower fan according to described son control message.
In described step 402, described communication controler receives described collection message, discerns described collection message and matches and described collection message corresponding communication agreement; Obtain blower fan information in the described collection message according to described communication protocol; The data message that described blower fan information is encapsulated as predetermined protocol sends described collection control server to, for example can be packaged into the data message of Iec104 agreement.
In described step 404, described communication controler receives described control message, discerns described control message and matches and described control message corresponding communication agreement; Obtain control information in the described control message according to described communication protocol; The son control message that described control information is encapsulated as the corresponding blower fan supported protocol of control information sends corresponding blower fan server to.
Before sending described collection control server to, the described data message that described blower fan information is encapsulated as predetermined protocol also comprises, is the blower fan information of uniform data form according to data layout mark sheet or predefined rule with the blower fan information translation of different data format, and the data message that described blower fan information is encapsulated as predetermined protocol sends described collection control server to again;
Or also comprise before sending the son control message that described control information is encapsulated as the support of corresponding blower fan server protocol to the blower fan server, the control information of uniform data form is converted to data layout at different blower fans, and the son control message that more described control information is encapsulated as the support of corresponding blower fan server protocol sends the blower fan server to.
In described step 402, also comprise, described communication controler also obtains the information such as remote measurement, remote signalling and SOE warning message of transformer station by transformer station's telemechanical interface, send above-mentioned transformer station information to collection control server, thereby can be so that collection control server controls transformer station, variation according to system voltage can be adjusted busbar voltage in real time, guarantees the stable operation of blower fan system.
In described step 403, also comprise, utilization factor according to described blower fan information calculations blower fan, for example can calculate separate unit blower fan availability as follows, the unplanned stoppage in transit of separate unit blower fan availability=1-separate unit blower fan amounts to the statistics hourage in hourage/timing statistics section, and one month utilization factor computing formula of certain brand blower fan is: the total unplanned stoppage in transit hourage of 1-/(the blower fan platform is counted the statistics hourage in the * separate unit blower fan moon timing statistics section).The computing method of loss electric weight: the blower fan single failure is shut down the electric weight that opens the internal loss of machine time and is calculated separately; computing formula: ∑ (in this fan trouble section stop time in per 10 minutes mean wind speeds of certain brand blower fan and the calibration power curve power * under corresponding 0.17 hour); stop time, less than 10 minutes was calculated by shutdown the number of minutes/60 of reality.Wherein, the blower fan utilization factor that calculates can be as shown in Figure 3.
Comprise also that in above-mentioned steps 403 calculate the wind powertrace after the blower fan information calculations parameter that described blower fan information filtering is fallen to conform to a predetermined condition, the supvr can monitor and control blower fan according to described wind powertrace.
The blower fan information calculations parameter that described filtration conforms to a predetermined condition comprises removes the wind speed that does not meet the basis of calculation, and reference value is 25 meters of wind speed maximal values, 2.5 meters of minimum value.Removal does not meet the performance number of the basis of calculation, and when power rating was 1500w, peaked reference value was 1600w, and when power rating was 1200w, peaked reference value was 1300w, and the minimum value of power is 0.Fan condition must be to be incorporated into the power networks.Fan condition from other status transitions to and during net state, segment data is removed (reference time is 2 minutes) during initial after being incorporated into the power networks.Blower fan is from the status transition that is incorporated into the power networks during to other states, during last being incorporated into the power networks segment data remove (with reference to the period be 2 minutes).Blower fan is under the situation of limit power, and its data are not as the computational data of powertrace.
Also comprise in above-mentioned steps 403, receive the on-site weather information of wind field, for example wind speed etc. utilizes described weather information and blower fan information calculations to go out the predicted power of wind field.
By embodiments of the invention, can a plurality of wind energy turbine set of centralized control in the blower fan of different brands and manufacturer, realized highly compatible, the safety in production of wind energy turbine set is monitored effectively, guaranteed the safety of wind energy turbine set; Can obtain more comprehensively wind energy turbine set information in the centralized control center, understand the ruuning situation of Fan Equipment, when electrical network was assigned the limited load instruction, system generated blower fan stoppage in transit maintenance order automatically, for operator on duty's operation provides foundation.
Above-described embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is the specific embodiment of the present invention; and be not intended to limit the scope of the invention; within the spirit and principles in the present invention all, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (21)
1. wind energy electric field communication controler is characterized in that comprising:
Communication unit, a plurality of blower fan server interfaces, matching unit, reading unit, encapsulation unit;
Described communication unit is connected with described a plurality of blower fan server interfaces, and described communication unit is by described a plurality of blower fan server interfaces and a plurality of blower fan server communication; Perhaps described communication unit communicates with collection control server;
Described communication unit is connected with described matching unit, described matching unit is discerned the collection message of described a plurality of blower fan servers or is discerned the control message that described collection control server sends, and matches and described collection message or control message corresponding communication agreement;
Described reading unit is connected with described matching unit, obtains blower fan information in the described collection message according to described communication protocol, perhaps obtains the control information in the control message;
Described encapsulation unit is connected with communication unit with described reading unit respectively, and the data message that described blower fan information is encapsulated as predetermined protocol sends to described collection control server by described communication unit; Perhaps described control information is encapsulated as the son control message that corresponding blower fan server protocol is supported, sends to described blower fan server by described communication unit.
2. a kind of wind energy electric field communication controler according to claim 1, it is characterized in that, has a mapping block in the described matching unit, the communication protocol that is stored with different vendor's blower fan server and is supported, described matching unit goes out and described collection message or control message corresponding communication agreement according to the content match in the described mapping block.
3. a kind of wind energy electric field communication controler according to claim 1, it is characterized in that, also comprise the Data Format Transform unit, be connected with described encapsulation unit, with the blower fan information translation of different data format is the blower fan information of uniform data form, the blower fan information of described uniform data form is encapsulated as the data message of predetermined protocol by encapsulation unit, the control information of uniform data form is converted to the control information of corresponding different blower fan server data forms, the control information of described different blower fan server data forms is encapsulated as the son control message that corresponding blower fan server protocol is supported by encapsulation unit.
4. a kind of wind energy electric field communication controler according to claim 1 is characterized in that, also comprises transformer station's telemechanical interface, is connected with described communication unit, communicates by described transformer station telemechanical interface and transformer station.
5. a kind of wind energy electric field communication controler according to claim 1 is characterized in that, also comprises the electric energy metrical interface, is connected with described communication unit, and the electric energy metrical station by described electric energy metrical interface and far-end communicates.
6. a kind of wind energy electric field communication controler according to claim 1 is characterized in that, also comprises database server, is connected with described reading unit, and the blower fan information or the control information of reading are stored.
7. a wind energy electric field centralized control system is characterized in that comprising: as any described communication controler of claim 1 to 6, collect the control server, a plurality of blower fan servers;
Described communication controler is connected with a plurality of described blower fan servers, the data message that will be converted to predetermined protocol from the collection message that described blower fan server obtains sends described collection control server to, and the son control message that maybe will be converted to corresponding blower fan server from the control message that described collection control server obtains sends the blower fan server to;
Described collection control server is connected with described communication controler, obtains described blower fan information according to described data message, generates the control message according to the control law that pre-establishes and sends to described communication controler;
Described blower fan server is connected with described communication controler, and the collection message of a plurality of blower fans is sent to communication controler, and the son control message that perhaps communication controler is sent sends to corresponding blower fan.
8. a kind of wind energy electric field centralized control system according to claim 7 is characterized in that described collection control server further comprises, and blower fan utilization factor computing unit is according to the utilization factor of described blower fan information calculations blower fan.
9. a kind of wind energy electric field centralized control system according to claim 8, it is characterized in that, described collection control server also further comprises, wind powertrace computing unit and condition restriction unit, described condition restriction unit is connected with described wind powertrace computing unit, be input to described wind powertrace computing unit filter out the blower fan information calculations parameter that conforms to a predetermined condition by described condition restriction unit after, described wind powertrace computing unit utilizes described blower fan information calculations calculation of parameter wind powertrace by the input of condition restriction unit.
10. a kind of wind energy electric field centralized control system according to claim 9, it is characterized in that, described collection control server also comprises, weather information receiving element and power prediction unit, described weather information receiving element is connected with described power prediction unit, described weather information receiving element is used to receive the on-site weather information of wind field, and described weather information of described power prediction unit by using and blower fan information calculations go out the predicted power of wind field.
11. a kind of wind energy electric field centralized control system according to claim 10 is characterized in that described collection control server comprises that also database server is used to store blower fan information and/or weather information.
12. a kind of wind energy electric field centralized control system according to claim 10 is characterized in that, also comprises display unit, is connected with the power prediction unit with blower fan utilization factor computing unit, wind powertrace computing unit respectively, is used for video data.
13. a kind of wind energy electric field centralized control system according to claim 7 is characterized in that, also comprises the supervisory control of substation device, and the transformer station of each wind field is monitored, and monitored results is sent to collection control server by communication controler.
14. a wind energy electric field centralized control method is characterized in that comprising,
The corresponding blower fan information of a plurality of blower fan collection of server will be gathered message and be sent to communication controler;
The data message that described communication controler is converted to predetermined protocol with described collection message sends described collection control server to;
Described collection control server obtains described blower fan information according to described data message, generates the control message according to the control law that pre-establishes and sends to described communication controler;
The son control message that described communication controler will be converted to corresponding blower fan server from the control message that described collection control server obtains sends the blower fan server to;
Described blower fan server is controlled corresponding blower fan according to described son control message.
15. a kind of wind energy electric field centralized control method according to claim 14, it is characterized in that, send in the described collection control server at the data message that described communication controler is converted to predetermined protocol with described collection message, described communication controler receives described collection message, discerns described collection message and matches and described collection message corresponding communication agreement; Obtain blower fan information in the described collection message according to described communication protocol; The data message that described blower fan information is encapsulated as predetermined protocol sends described collection control server to.
16. a kind of wind energy electric field centralized control method according to claim 14, it is characterized in that, the son control message that will be converted to corresponding blower fan server at described communication controler from the control message that described collection control server obtains sends to the blower fan server, described communication controler receives described control message, discerns described control message and matches and described control message corresponding communication agreement; Obtain control information in the described control message according to described communication protocol; The son control message that described control information is encapsulated as the support of corresponding blower fan server protocol sends the blower fan server to.
17. according to claim 15 or 16 described a kind of wind energy electric field centralized control methods, it is characterized in that, before sending described collection control server to, the described data message that described blower fan information is encapsulated as predetermined protocol also comprises, with the blower fan information translation of different data format is the blower fan information of uniform data form, and the data message that again blower fan information is encapsulated as predetermined protocol sends described collection control server to;
The son control message that described control information is encapsulated as the support of corresponding blower fan server protocol also comprises before sending the blower fan server to, the control information of uniform data form is converted to corresponding different blower fan data in server form, and the son control message that more described control information is encapsulated as the support of corresponding blower fan server protocol sends the blower fan server to.
18. a kind of wind energy electric field centralized control method according to claim 14, it is characterized in that, send in the described collection control server at the data message that described communication controler is converted to predetermined protocol with described collection message and also to comprise, described communication controler also obtains transformer station's information by transformer station's telemechanical interface, and sends described transformer station information to collection control server.
19. a kind of wind energy electric field centralized control method according to claim 14, it is characterized in that, obtain described blower fan information at described collection control server according to described data message, generate the control message according to the control law that pre-establishes and send in the described communication controler and also comprise, according to the utilization factor of described blower fan information calculations blower fan.
20. a kind of wind energy electric field centralized control method according to claim 14, it is characterized in that, obtain described blower fan information at described collection control server according to described data message, generate the control message according to the control law that pre-establishes and send in the described communication controler and also comprise, calculate the wind powertrace after the blower fan information calculations parameter that described blower fan information filtering is fallen to conform to a predetermined condition.
21. a kind of wind energy electric field centralized control method according to claim 14 is characterized in that, receives the on-site weather information of wind field, utilizes described weather information and blower fan information calculations to go out the predicted power of wind field.
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