CN101246367A - Wind power generation field monitoring system based on real-time data base - Google Patents

Abstract

The invention discloses a electricity from wind power field executive supervisor based on actual time data-base. Scene communicating processing unit picks the real-time data of scene cell, realizes communication network redundant configuring by utilizing ethernet network switch through ring shaped redundant and transfers the data to SCADA system server, the SCADA system server processes the received data, in which the two severs are redundant each other, and meanwhile accepts scene data of wind field transferred by scene communicating processing unit. The upper-position machine interface between human and machine receives data of SCADA system sever, indicates all blower fan operation activity situation entire scene cell and inputs control signal to SCADA system sever. The open remote access interface accesses data of scene cell through IE browsers after a right is input. The invention can accurately and actually pick all data of wind field and is suitable for remote supervising all combined net wind force train in entire wind field.

Description

Wind power generation field monitoring system based on real-time data base

Technical field

The present invention relates to a kind of long distance control system that is used for wind power plant, specifically a kind of wind power generation field monitoring system based on real-time data base.

Background technology

Because the worsening shortages of human available energy resources, development and application wind-power electricity generation and other regenerative resources are the task of top priority of human society, THE WIND ENERGY RESOURCES IN CHINA is abundant, show that according to the related data generaI investigation the land wind energy resources that utilizes of China is 2.5 hundred million kilowatts, coastal regional developable wind energy resources in the 2-15m depth of water is 7.5 hundred million kilowatts, account for 9.2% of world's wind energy storage level, but potentiality to be exploited is huge.The grid type wind generating technology is increasingly mature, China's Eleventh-Five Year Plan grid type aerogenerator kludge total volume reaches 1000MW kilowatt, wind power plant comprises: parts such as cabin, blade, wheel hub, gear case, bearing, generator, frequency converter, change oar office control system, master control system, transformer, long distance control system, wind power plant more than the present domestic MW level is based on import, restricted the development of wind-powered electricity generation to a certain extent, so the large-scale wind electricity home-made equipment has extensive market prospects.

The structural principle of the long distance control system of wind-powered electricity generation control at present is for passing through cable, optical cable, means such as cdma wireless communication, gather each wind power generating set, anemometer tower, the data of transformer station, to the remote control center server, each unit operation of remote monitoring that is used for the wind field operations staff, and possesses certain form, curve, the historical query function, generally adopt WINDOWS operating system and general commercial data base, mainly there is following shortcoming: (1), the real-time performance of data is relatively poor, owing to adopt common commercial data base, larger or when having a large amount of accident when wind field, the mass data read-write of database is not enough to support big flow read-write, cause the data precision of remote logging not enough, need fan operation on the spot.(2), data write speed is slow, though solved compatible problem between the different instruments, brought by the slow problem of Internet access server data by general technological means such as OPC.(3), SCADA system reliability existing problems, the distribution range of wind energy turbine set is wide, running environment is abominable, the wind energy turbine set supervisory system of technology does not adopt redundancy to guarantee reliability of operation at present, in case core component such as network, server breaks down, the safe and reliable operation of wind field will be influenced.Therefore, present wind-power electricity generation long distance control system can not meet the demands.

Summary of the invention

Deficiency at existing wind-power electricity generation long distance control system existence, the purpose of this invention is to provide a kind of wind power generation field monitoring system based on real-time data base, the present invention is used for the real-time data base technology wind field long distance control system of large-scale grid type wind power generating set, gather all data of wind field accurately, in real time and adopt suitable redundancy, can satisfy that contemporary wind energy turbine set distribution range is wide, the operation characteristic of work under bad environment.

The objective of the invention is to be achieved through the following technical solutions:

A kind of wind power generation field monitoring system based on real-time data base, it is characterized in that: it comprises local communication processing unit, SCADA system server, host computer man-machine interface and remote access interface, the real time data of described local communication processing unit collection site unit, and utilize Ethernet switch to send data to the SCADA system server by the redundant redundant configuration of communication network that realizes of annular, the local communication processing unit is had no progeny in data communication, preserves data and recovers until next communication; The SCADA system server is handled the data that receive, and mutually redundant between the two-server, accepts the field data of the wind field that the local communication processing unit sends simultaneously; The host computer man-machine interface receives the data of SCADA system server, shows all fan operation situations of entire field unit, and to SCADA system server input control signal; Open remote access interface passes through the data of IE browser access field unit after the input authority.

Among the present invention, field unit comprises on-the-spot blower fan, anemometer tower, transformer station etc.

(1), local communication processing unit (RTU)

Blower fan at the scene, anemometer tower, transformer station place are provided with data acquisition RTU unit on the spot, each possesses the interface of all kinds of communication buses in the RTU unit on the spot, comprise MODUSRTU, MODBUSTCP, CAN, PROFIBUS, LONWORKS or the like, the opposite side of RTU is a 100M Ethernet optical cable interface, is used to connect optical cable to remote control center.RTU also possesses omnipotent development interface, is used to customize special communication interface agreement, and the equipment schematic of local communication unit (RTU) is seen Fig. 1.

The hardware platform of local communication processing unit adopts ANYBUS interface card+ARM9 microprocessor to realize, software platform adopts VXWORKS operating system, the real time data of collection site unit, packing is transformed to the uniform data stream of SCADA system and uploads the remote control center.Site disposal unit R TU interface has the function of data storage, when with remote data communication in have no progeny, can preserve data and recover until next communication, the RTU unit guarantees can not cause losing of data in 1000 command messages scopes.

(2), real time high-speed communication network

The unified fiber optic Ethernet that adopts 100MW of the communication network of the centralized monitoring system of wind energy turbine set, adopt MOXA management type technical grade Ethernet switch, by the redundant redundant configuration that realizes communication network of annular, when the network of arbitrary path breaks down, still can guarantee the data transmission of system.Network structure is seen Fig. 2.

High speed communication output packet content has defined the packet of following type through after the abstract:

Realize blower fan data statistics formation;

Realize the blower fan event queue;

Allow the instruction of visit blower fan;

Allow visit fan parameter and I/O value;

Allow the order of blower fan read-write memory;

The terminal competition of blower fan user interface;

Allow file transfer to far-end RTU;

Realize utility function (as readjustment controller of fan program).

Through behind the above-mentioned abstract definition, data source possesses unified interface between software and hardware, but the real-time data base highly effective gathering of server side, storage field data, and after certain communication was unsuccessful, system possessed retransmitting function.

(3), SCADA system server

Wind energy turbine set centralized monitoring system server adopts high-performance DELL server, operation WINDOW operating system, database software is a SYNCBASE real time data library software, and is redundant mutually between the two-server, accept the field data of wind field simultaneously, the structure of system is seen Fig. 3.

(4), host computer man-machine interface

The wind field operations staff is by the operation of all blower fans of the whole wind field of host computer man-machine interface active station operation monitoring, and system's operation comprises following a few class picture:

1, wind field overview picture panel

Wind field overview picture panel comprises:

Wind field warning horn (each site in the project has);

Total blower fan MW number;

Total blower fan MVAr number (if any);

Capacity coefficient;

Shut down the quantity of blower fan;

The quantity of fault blower fan;

The quantity of unknown blower fan;

The MW number of each stoichiometric point (if any words);

Wind speed with reference to anemometer tower place (if there is not anemometer tower, then blower fan place);

(if there is not anemometer tower, the wind direction at blower fan place adds with the cabin direction with reference to the wind direction at anemometer tower place

The modified value of a direction by north is the basis);

Temperature (if any) with reference to anemometer tower place (if there is not anemometer tower, the blower fan place);

Pressure (if any) with reference to the anemometer tower place;

Voltage and frequency (if any) with reference to the stoichiometric point place.

2, the total view of wind field

Total view of wind field comprised in the wind field overview picture panel information and:

Online blower fan quantity;

The blower fan quantity of non-manufacturer shutdown/shortening working time;

The RIU quantity of no communication;

There is not the RIU quantity of communication with relevant device;

Nearest Events panel.

3, table view

The following message (perhaps one group of specific blower fan) that all blower fans are arranged in this view:

Nacelle wind speed m/s;

Power of fan kW;

Someone post/service mode;

Fan condition (showing that by the color code bar when blower fan was online, this length had illustrated the number percent of rated power);

The Events panel of selected blower fan group.

4, map view

On this view, each blower fan, anemometer tower and the stoichiometric point on the wind field all uses a graphical symbol to represent.Can also under the background of plane, show this icon in the geographic position among the figure of display layout in this view.Can integrate the background picture that any client provides.

State shows by the color coding bar.When blower fan was online, this length had illustrated the number percent of rated power.

The suspension text is the major parameter of each part of wind field.

5, monitor view in real time

This view allows a user to select any available live signal to be combined on the single page to check.

6, blower fan view

Can see the signal specific of a selected blower fan and the nearest incident of this typhoon machine on this view.

7, real-time curve is browsed

System provides a real-time curve to draw function.Can draw on any view, any signal on the view all can be drawn.

Just have signal to occur after having only the view of loading, signal no longer upgrades after view is closed.

8, blower fan order

System provides following order:

Reset;

Bring into operation;

The operator shuts down;

The owner shuts down;

The user must key in note to all orders.For halt command, they must provide a failure code.Order can be sent to the blower fan group line ordering of going forward side by side, so that carry out in the future, execution also can interlock again.

The user can check and optionally delete the current directory of the order of having sorted.

9, warning and status information

Unique user can be provided with, and receives alarm and status information by Email and/or SMS.Modular system uses E-mail gateway to send SMS information.There is the Email of complete information to be sent to a specific addresses of items of mail in the one envelope header line.

If provide an ether telephone wire and a TAPI SMS service, system also can select by TAPI transmission SMS so.

Can be configured unique user, make its by Email and/or SMS every 10 minutes or the status information of receiving a time more of a specified duration.

Can carry out certain day the screening in a day certain time and a week.

10, report

All reports both can be: operation at once, pass to browser or ordering so that move in the future and send by Email.

Predetermined report can be: all users can use, and perhaps only are to create the user can use.

11, event report

System allows all incidents of system log (SYSLOG) are all generated report.The user can select:

Comprise which blower fan;

Comprise which anemometer tower;

Comprise which stoichiometric point;

Comprise which server;

The filtrator of differential responses grade.

12, wind speed profile report

System allows to generate the wind speed profile report with following option:

The source wind velocity signal;

Wind speed is quantity at interval;

Wind direction signals;

Wind direction is quantity at interval;

Date range.

13, powertrace

System allows to generate the powertrace report with following option:

The blower fan report;

Wind velocity signal;

Speedup factor on the wind speed travel direction (needing configuration information);

Adjust the reference air density of back appointment;

Date range;

The wind speed size of space.

(5), remote access interface

System possesses open remote access interface, after the user imports authority, and can be by the data of IE browser access wind field.

The present invention is used for the real-time data base technology wind field long distance control system of large-scale grid type wind power generating set.Advantage of the present invention is: 1, the real-time of data is good, accuracy is high; 2, data write, transmission speed are fast; 3, system reliability height can satisfy the occasion of work under bad environment.

Description of drawings

Fig. 1 is a local communication processing unit structural representation;

Fig. 2 is a structural representation of the present invention;

Fig. 3 is the structural representation of SCADA system server among the present invention.

Embodiment

A kind of wind power generation field monitoring system based on real-time data base comprises local communication processing unit 1, SCADA system server 2, host computer man-machine interface 3 and remote access interface 4.Local communication processing unit 1 blower fan 11, anemometer tower 12, transformer station 13 places at the scene are provided with, the real time data of in-site collecting field unit, and utilize Ethernet switch to send data to SCADA system server 2 by the redundant redundant configuration of communication network that realizes of annular.Each possesses the interface of all kinds of communication buses in the RTU unit on the spot, comprises MODUSRTU, MODBUSTCP, CAN, PROFIBUS, LONWORKS or the like, and the opposite side of RTU is a 100M Ethernet optical cable interface, is used to connect optical cable to remote control center.RTU also possesses omnipotent development interface, is used to customize special communication interface agreement, and the local communication processing unit is had no progeny in data communication, preserves data and recovers until next communication.2 pairs of data that receive of SCADA system server are handled, and mutually redundant between the two-server, accept the field data of the wind field that local communication processing unit 1 sends simultaneously; Host computer man-machine interface 3 receives the data of SCADA system service 2 devices, shows all blower fans and the equipment operation condition of entire field unit, and to SCADA system server 2 input control signals; Open remote access interface 3 passes through the data of IE browser access field unit after the input authority.

The present invention is used for the real-time data base technology wind field long distance control system of large-scale grid type wind power generating set, gather all data of wind field accurately, in real time and adopt suitable redundancy, can satisfy that contemporary wind energy turbine set distribution range is wide, the operation characteristic of work under bad environment.

Claims (2)

1, a kind of wind power generation field monitoring system based on real-time data base, it is characterized in that: it comprises local communication processing unit (1), SCADA system server (2), host computer man-machine interface (3) and remote access interface (4), the real time data of described local communication processing unit (1) collection site unit, and utilize Ethernet switch to send data to SCADA system server (2) by the redundant redundant configuration of communication network that realizes of annular, local communication processing unit (1) is had no progeny in data communication, preserving data handles the data that receive until next communication recovery SCADA system server (2), and mutually redundant between the two-server, accept the field data of the wind field that local communication processing unit (1) sends simultaneously; Host computer man-machine interface (3) receives the data of SCADA system server (2), shows all devices operation conditions of entire field unit, and to SCADA system server (2) input control signal; Open remote access interface (4) passes through the data of IE browser access field unit after the input authority.

2, the wind power generation field monitoring system based on real-time data base according to claim 1 is characterized in that: field unit comprises on-the-spot blower fan (11), anemometer tower (12), transformer station (13).

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