CN102999025B - Wind-powered electricity generation monitoring and fault diagnosis system - Google Patents
Wind-powered electricity generation monitoring and fault diagnosis system Download PDFInfo
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Abstract
The invention provides a kind of wind-powered electricity generation monitoring and fault diagnosis system, comprising: station level computer monitoring system, wall data communication network, electrical network EMS system, data acquisition system (DAS), transformer station's monitoring and protection system, remote work station and unit (1...n); Described station level computer monitoring system does not carry out data interaction with described electrical network EMS system, described data acquisition system (DAS), described transformer station monitoring and protection system by described wall data communication network dividing; Described station level computer monitoring system controls described remote work station; Each gathers the data of unit (1...n) to described data acquisition system (DAS) respectively; Described station level computer monitoring system receives wind farm meteorological information by described wall data communication network.Wind-powered electricity generation monitoring and fault diagnosis system provided by the invention, the monitoring of wind-powered electricity generation electric parameters and the function of Wind turbines condition monitoring and fault diagnosis can be realized simultaneously, make it while monitoring wind-powered electricity generation, also can predict the malfunction of Wind turbines and report to the police.
Description
Technical field
The invention belongs to monitoring and the Wind turbines condition monitoring and fault diagnosis field of wind energy turbine set in generation of electricity by new energy technology, be specifically related to a kind of wind-powered electricity generation monitoring and fault diagnosis system.
Background technology
Wind-power electricity generation is compared with thermoelectricity, nuclear power, single-machine capacity is little, floor area is wide, and be mostly positioned at remote districts, technology and service condition are all poor, and therefore in order to make each Wind turbines run completely, and the information relevant to wind-powered electricity generation aspect carries out effective standardized management, improve the efficiency of wind energy turbine set, the monitoring and management system of a set of perfect performance is vital for the operation of wind energy turbine set.
Wind turbines is generally equipped with data acquisition and monitoring (SCADA) system, this system can realize basic monitoring to the operation of Wind turbines, there is the functions such as warning and report, wind energy turbine set event report can be generated, for the stability and reliability improving wind energy turbine set operation provides strong support.SCADA system is subject to the restriction of condition sometimes, and system data processing speed is slow, and automaticity is lower, and the parameter of monitoring is only limitted to electric parameters, and as electric current, voltage, meritorious and idle etc., the function of realization mainly concentrates on electric aspect.
For the Wind turbines that designed life is 20 ~ 25 years, the peak period that can welcome greatly first maintenance about 5 ~ 7 years or safeguard.In the country that wind-powered electricity generation is started late or area, most wind energy turbine set is just about to enter this period.In order to reduce wind-powered electricity generation operation and maintenance cost, a kind of new maintenance mode is more and more subject to people's attention, i.e. condition monitoring and fault diagnosis.The signal of condition monitoring and failure diagnosis system collection is the vibration and impact information of wind turbine transmission chain, pylon, blade etc., at present can canbe used on line localization of fault, precognition and warning etc., the accurate fault diagnosis such as failure cause and development trend limits by condition, still needs to complete in laboratory.The application of Wind turbines condition monitoring and fault diagnosis technology; not only can become disorderly closedown into planned shut-down; power generating ratio or avoid fault spread; enterprise is made progressively to be transitioned into preventative maintenance based on status monitoring to the maintenance management of equipment from accident maintenance, planned maintenance; ensure that aerogenerator unit safe reliably runs; improve equipment Management in Enterprise modernization level; and can also unreasonable in the defect of Timeliness coverage Design of Mechanical Structure and parts type selecting while fault diagnosis, the optimal design for equipment provides solid foundation.At present, existing a small amount of Wind turbines has installed Wind turbines condition monitoring and fault diagnosis equipment.
Summary of the invention
For overcoming above-mentioned defect, the invention provides a kind of wind-powered electricity generation monitoring and fault diagnosis system, the monitoring of wind-powered electricity generation electric parameters and the function of Wind turbines condition monitoring and fault diagnosis can be realized simultaneously, make it while monitoring wind-powered electricity generation, also can predict the malfunction of Wind turbines and report to the police, and when unit operation occurs abnormal, accurate diagnosis can be carried out to failure cause, development trend etc.
For achieving the above object, the invention provides a kind of wind-powered electricity generation monitoring and fault diagnosis system, its improvements are, described system comprises: station level computer monitoring system, wall data communication network, electrical network EMS system, data acquisition system (DAS), transformer station's monitoring and protection system, remote work station and unit (1...n); Described station level computer monitoring system does not carry out data interaction with described electrical network EMS system, described data acquisition system (DAS), described transformer station monitoring and protection system by described wall data communication network dividing; Described station level computer monitoring system controls described remote work station; Each gathers the data of unit (1...n) to described data acquisition system (DAS) respectively; Described station level computer monitoring system receives wind farm meteorological information by described wall data communication network.
In optimal technical scheme provided by the invention; described station level computer monitoring system; comprise: the operator workstation 1,2 connected successively, service host, service standby host, five anti-workstations, protection's teacher workstation, management work station, wind-powered electricity generation forecast work station, condition monitoring and fault diagnosis workstation, manual analysis terminal, Web server and the network printer.
In second optimal technical scheme provided by the invention, described wall data communication network, comprising: the multiple communication control units connected successively.
In 3rd optimal technical scheme provided by the invention, described communication control unit adopts model to be the device of NSC300.
In 4th optimal technical scheme provided by the invention, described electrical network EMS system, is connected with described wall data communication network by router.
In 5th optimal technical scheme provided by the invention, described data acquisition system (DAS), comprising: pylon impeller information acquisition device and respectively connected vibration transducer, axial compression electric transducer and displacement transducer.
In 6th optimal technical scheme provided by the invention, described vibration transducer adopts model to be the vibration transducer of PCB356A15 or PCB352C33.
In 7th optimal technical scheme provided by the invention, described pylon impeller information acquisition device setting data process board, described data processing board is used for the pick up and store of Wind turbines data and wind farm data.
In 8th optimal technical scheme provided by the invention, described Wind turbines data, comprising: voltage, electric current, active power, reactive power, generated energy, generator speed, crab angle, the movement locus of driving-chain spindle axis, the vibration of each mechanical part of driving-chain and the vibration information of impact information and pylon and blade; Described wind farm data, comprising: wind speed, active power, reactive power and weather information.
In 9th optimal technical scheme provided by the invention, described transformer station monitoring and protection system, comprising: respectively to measure and control device and third party's smart machine of described station level computer monitoring system transmission data.
In tenth optimal technical scheme provided by the invention, described third party's smart machine is interfacing equipment.
In more preferably technical scheme provided by the invention, described remote work station, accepts the control of described station level computer monitoring system by gateway and fire wall.
Provided by the invention second more preferably in technical scheme, and described each unit (1...n), comprising: respectively to Wind turbines and the fan master control system of described data acquisition system (DAS) transmission data.
Compared with the prior art, a kind of wind-powered electricity generation monitoring and fault diagnosis system provided by the invention, the function of wind-powered electricity generation SCADA and Wind turbines condition monitoring and fault diagnosis two systems can be realized, but compare wind-powered electricity generation SCADA system, hardware only has more on-board data gather and analysis system, condition monitoring and fault diagnosis workstation and manual analysis terminal, has adopted above-mentioned two systems cost-saving more respectively; On a typhoon motor, the monitoring realized electric parameters and mechanical quantity is wanted if solve, and localization of fault can be carried out when operating states of the units occurs abnormal timely and accurately and accurate diagnosis is carried out to fault, need to adopt conventional wind-powered electricity generation SCADA system and Wind turbines condition monitoring and failure diagnosis system, and this two cover system is separate, do not contact each other, such as generator speed and crab angle signal etc. all need repeated acquisition, and Wind turbines to the data communication of wind field Surveillance center needs the problem of setting up respectively and debugging; Native system without the need to repeated acquisition generator speed, crab angle signal electrically and mechanical technique parameter share the communication port of Wind turbines to wind energy turbine set Surveillance center; By machinery and electrical technology parameter by forming the array be associated after professional software analysis, and utilizing it to complete Comprehensive Evaluation to running of wind generating set situation, improve accuracy and the reliability of judgement; Further, native system have employed independently data acquisition system (DAS), does not need the unit model considering to monitor, and only need select suitable intelligent acquisition module, sensor and corresponding data collector, can realize the monitoring to different model unit; Moreover, can according to the demand of the scale of wind energy turbine set and user, the cutting of completion system and the selection of each functional module easily.
Accompanying drawing explanation
Fig. 1 is the complete structure block diagram of wind-powered electricity generation monitoring and fault diagnosis system.
Fig. 2 is the complete hardware topological diagram of wind-powered electricity generation monitoring and fault diagnosis system.
Fig. 3 is station level computer monitoring system Typical Disposition.
Fig. 4 is wall data communication network Typical Disposition.
Fig. 5 is the looped network hardware topology schematic diagram comprising box type transformer observing and controlling information.
Fig. 6 is wind-powered electricity generation monitoring and failure system hardware topology figure in embodiment.
Fig. 7 is topological schematic diagram of upgrading with electrical network EMS system communication.
Embodiment
As shown in Figure 1, wind-powered electricity generation monitoring and fault diagnosis system, comprising: station level computer monitoring system, wall data communication network, electrical network EMS system, data acquisition system (DAS), transformer station's monitoring and protection system, remote work station and unit (1...n); Described station level computer monitoring system does not carry out data interaction with described electrical network EMS system, described data acquisition system (DAS), described transformer station monitoring and protection system by described wall data communication network dividing; Described station level computer monitoring system controls described remote work station; Each gathers the data of unit (1...n) to described data acquisition system (DAS) respectively; Described station level computer monitoring system receives wind farm meteorological information by described wall data communication network.
Described station level computer monitoring system; comprise: the operator workstation 1,2 connected successively, service host, service standby host, five anti-workstations, protection's teacher workstation, management work station, wind-powered electricity generation forecast work station, condition monitoring and fault diagnosis workstation, manual analysis terminal, Web server and the network printer.
Described wall data communication network, comprising: the multiple communication control units connected successively.
Described communication control unit adopts model to be the device of NSC300.
Described electrical network EMS system, is connected with described wall data communication network by router.
Described data acquisition system (DAS), comprising: pylon impeller information acquisition device and respectively connected vibration transducer, axial compression electric transducer and displacement transducer, described vibration transducer adopts model to be the vibration transducer of PCB356A15 or PCB352C33.
Described pylon impeller information acquisition device setting data process board, described data processing board is used for the pick up and store of Wind turbines data and wind farm data.
Described Wind turbines data, comprising: voltage, electric current, active power, reactive power, generated energy, generator speed, crab angle, the movement locus of driving-chain spindle axis, the vibration of each mechanical part of driving-chain and the vibration information of impact information and pylon and blade; Described wind farm data, comprising: wind speed, active power, reactive power and weather information.
Described transformer station monitoring and protection system, comprising: respectively to measure and control device and third party's smart machine of described station level computer monitoring system transmission data.Described third party's smart machine is interfacing equipment.
Described remote work station, accepts the control of described station level computer monitoring system by gateway and fire wall.
Described each unit (1...n), comprising: respectively to Wind turbines and the fan master control system of described data acquisition system (DAS) transmission data.
Face is described in further details wind-powered electricity generation monitoring and fault diagnosis system by reference to the accompanying drawings.
As depicted in figs. 1 and 2; the present invention mainly comprises data acquisition system (DAS), transformer station's monitoring and protection system, wall data communication network, station level computer monitoring system, remote work station and gps system; wall data communication network can be connected by switch and electric power special line and dispatching of power netwoks (EMS) system according to demand, carries out data communication.Described data acquisition system (DAS) is arranged in the site environment of Wind turbines and wind energy turbine set, is responsible for the collection of wind energy turbine set and Wind turbines technical parameter, and the data of collection are sent to unit data processing and transmission unit; Described unit data processing and transmission unit, be uploaded to wall data communication network after completing the process to image data again; Described transformer station monitoring and protection system is responsible for the remote moving function of the automated system of transformer station, and the analog quantity of collection, digital quantity, quantity of state and protection information are uploaded to wall data communication network after treatment; Described wall data communication network is connected with station level computer monitoring system by switch, and arranges electric power special line according to demand and dispatching of power netwoks (EMS) system is connected, and carries out data communication; Described station level computer monitoring system receives data from wall data communication network; according to the needs of wind energy turbine set and Wind turbines actual motion; carry out human-machine operation process, and assign control command to unit data processing and transmission unit and transformer station's monitoring and protection system.
Fig. 2 is complete hardware topological diagram of the present invention, possessed whole elements of system architecture of the present invention, and the some work station of wall data communication network and station level computer monitoring system all have employed stand-by unit.In practical application; can according to the size of wind energy turbine set and functional requirement; system of the present invention is simplified and cut out; Fig. 3 and Fig. 4 sets forth the Typical Disposition of station level computer monitoring system and wall data communication network in the present invention, and the transformer station's monitoring and protection system wherein in Fig. 4 adopts standard configuration.
For the present invention will be described in further detail, and embody the feature of the easy cutting of the present invention, enumerate an instantiation below.Be noted that this example is implemented under premised on technical solution of the present invention, but protection scope of the present invention is not limited to following example.
The present invention is applied to 50MW wind energy turbine set, and this wind energy turbine set has the speed-changing draught fan that 33 single-machine capacities are the double-feed asynchronous type of 1.5MW, total volume 50MW.Fan outlet is boosted by a transformer 0.69/35kV, is connected to the grid by the unattended operation transformer station of 4 35kV feed cable access 35/110kV; In addition, wind energy turbine set also possesses an anemometer tower.
Wind energy turbine set and main frame manufacturer have system requirements of the present invention: the function possessing the Wind turbines of the Multiple Type monitoring multiple manufacturer; Possesses the function of monitoring anemometer tower information; Possess supervisory control of substation function, can the various equipment state of real time inspection transformer station carry out remote control, remote regulating, comprise the box type transformer of every typhoon group of motors; Possess Wind turbines condition monitoring and fault diagnosis function, give alarm when set drive chain runs and occurs abnormal; Possess long-range web browsing function, but long-range web browsing can only be checked fan operation state and can not control the running status of blower fan; Wouldn't need to possess and electrical network EMS system interface function, but will upgradability be possessed; When running of wind generating set occurs abnormal, need to possess remote alarming function, warning message can be sent to main frame manufacturer in modes such as Email, fax and phones.
According to described conditional request, to system configuration of the present invention and embodiment as follows:
1. networking: the reliability and the economy that consider network, forms 2 looped networks by all Wind turbines, box type transformer and anemometer tower, unified access wall data communication network; Due to needs monitoring box type transformer information, therefore will install switch in every typhoon group of motors side, make unit data processing and transmission unit with the information fusion of transformer measure control device, ring network structure schematic diagram as shown in Figure 5 in this case.
2. system architecture.The system architecture of the present invention of recommending as shown in Figure 6.Wall data communication network mainly comprises three communication control units, wherein the reception of two responsible wind farm data (comprising blower fan and anemometer tower) and protocol transform, the acceptance of a responsible substation data and protocol transform; Station level computer monitoring system comprises two stand-by heat data server, a condition monitoring and fault diagnosis workstation, Web server, two operator workstations and network printers each other; For ensureing the reliability of system, data server is double netcard configuration.Web server is connected with Internet by gateway/router, is mainly remote work station and provides function of browse; In two operator workstations, be responsible for comprehensively monitoring to wind field for one, comprise electric parameters and mechanical quantity monitoring, a comprehensively monitoring be responsible for transformer station, the function of two workstations can combination in any and switching; Form and the images outputting function of system are responsible for by the network printer.Station level computer monitoring system is 10/100M Ethernet, is responsible for the exchange of network data by the switches of 24 mouthfuls, long-range web browsing function realizes by adding gateway device between station level computer monitoring system and remote work station, described gateway device possesses router/firewall/vpn server function, change (NAT) function by configuration network address and provide web browsing service into remote computer, and the user of web browsing does not possess controlling functions, in addition, gateway device also provides VPN dial access service, long-distance user can be linked into station level computer monitoring system by telephone line by Modem dial mode, although this dial mode speed is slower, but there is very high security.
3. with electrical network EMS system communication upgrading scheme.If system needs and electrical network EMS system carries out communication, realize the functions such as the monitoring of automatic generation amount and report, can transform as follows system: realized by the communication control unit in wall data communication network with the function of electrical network EMS system communication; Because native system comprises multiple stage communication control unit, therefore need each communication control unit to be connected, be then connected with electrical network EMS with electric power special line by switch, realize data communication, as shown in Figure 7; Communications protocol generally adopts 104 agreements.
4. remote alarms scheme.For ensureing the security of system, the data server, the operator workstation that are generally in station level computer monitoring system do not possess network savvy, for realizing the function sending warning message in the mode of Email, can set up smtp server or proxy server on the Web server possessing network savvy, operator workstation sends by smtp server or proxy server the mail comprising warning message to specific email account; For realizing the function that phone and fax are reported to the police, on operator workstation, Modem can be installed, be connected with telephone wire, and arrange automatically to send when alert event occurs in system software platform and fax and auto dialing send audio alert.
It is to be understood that content of the present invention and embodiment are intended to the practical application proving technical scheme provided by the present invention, should not be construed as limiting the scope of the present invention.Those skilled in the art inspired by the spirit and principles of the present invention, can do various amendment, equivalent replacement or improve.But these changes or amendment are all in the protection domain that application is awaited the reply.
Claims (1)
1. a wind-powered electricity generation monitoring and fault diagnosis system, it is characterized in that, described system comprises: station level computer monitoring system, wall data communication network, electrical network EMS system, data acquisition system (DAS), transformer station's monitoring and protection system, remote work station and unit 1 ... n; Described station level computer monitoring system does not carry out data interaction with described electrical network EMS system, described data acquisition system (DAS), described transformer station monitoring and protection system by described wall data communication network dividing; Described station level computer monitoring system controls described remote work station; Described data acquisition system (DAS) gathers each unit 1 respectively ... the data of n; Described station level computer monitoring system receives wind farm meteorological information by described wall data communication network; Described station level computer monitoring system, comprising: the operator workstation 1 connected successively, operator workstation 2, service host, service standby host, five anti-workstations, protection's teacher workstation, management work station, wind-powered electricity generation forecast work station, condition monitoring and fault diagnosis workstation, manual analysis terminal, Web server and the network printer;
Described wall data communication network, comprising: the multiple communication control units connected successively;
Described communication control unit adopts model to be the device of NSC300;
Described electrical network EMS system, is connected with described wall data communication network by router;
Described data acquisition system (DAS), comprising: pylon impeller information acquisition device and respectively connected vibration transducer, axial compression electric transducer and displacement transducer;
Described vibration transducer adopts model to be the vibration transducer of PCB356A15 or PCB352C33;
Described pylon impeller information acquisition device is provided with data processing board, and described data processing board is used for the pick up and store of Wind turbines data and wind farm data;
Described Wind turbines data, comprising: voltage, electric current, active power, reactive power, generated energy, generator speed, crab angle, the movement locus of driving-chain spindle axis, the vibration of each mechanical part of driving-chain and the vibration information of impact information and pylon and blade; Described wind farm data, comprising: wind speed, active power, reactive power and weather information;
Described transformer station monitoring and protection system, comprising: respectively to measure and control device and third party's smart machine of described station level computer monitoring system transmission data;
Described third party's smart machine is interfacing equipment;
Described remote work station, accepts the control of described station level computer monitoring system by gateway and fire wall;
Each unit 1 described ... n, comprising: respectively to Wind turbines and the fan master control system of described data acquisition system (DAS) transmission data.
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| CN102736593A (en) * | 2012-06-05 | 2012-10-17 | 吴光军 | Integrated platform system for remote management and control of wind power field cluster |
| CN102748214A (en) * | 2012-07-10 | 2012-10-24 | 国电联合动力技术有限公司 | Wind generation set state monitoring and fault diagnosis system coupled to control system |
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