CN102999025A - Wind power monitoring and fault diagnosis system - Google Patents

Wind power monitoring and fault diagnosis system Download PDF

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Publication number
CN102999025A
CN102999025A CN2012104445768A CN201210444576A CN102999025A CN 102999025 A CN102999025 A CN 102999025A CN 2012104445768 A CN2012104445768 A CN 2012104445768A CN 201210444576 A CN201210444576 A CN 201210444576A CN 102999025 A CN102999025 A CN 102999025A
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data
monitoring
wind
station
level computer
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CN102999025B (en
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朱凌志
张磊
马晓晶
陈宁
赵大伟
王湘艳
赵亮
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State Grid Corp of China SGCC
China Electric Power Research Institute Co Ltd CEPRI
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State Grid Corp of China SGCC
China Electric Power Research Institute Co Ltd CEPRI
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    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract

The invention provides a wind power monitoring and fault diagnosis system which comprises a station-control-level computer monitoring network, a bay-level data communication network, a power grid EMS (electronic management system), a data collection system, a transformer substation measuring and control protecting system, a remote working station and units (1...n). The station-control-level computer monitoring network respectively performs data interaction with the power grid EMS, the data collection system and the transformer substation measuring and control protecting system through the bay-level data communication network and controls the remote working station, the data collection system respectively collects data of each collection unit (1...n), and the station-control-level computer monitoring network receives meteorological information of a wind power plant. The wind power monitoring and fault diagnosis system can simultaneously realize functions of monitoring of electrical quantity of wind power and state monitoring and fault diagnosis of a wind power unit, precognition and alarming of fault states of the wind power unit can be realized while wind power monitoring is realized.

Description

Wind-powered electricity generation monitoring and fault diagnosis system
Technical field
The invention belongs to monitoring and the wind-powered electricity generation unit condition monitoring and fault diagnosis field of wind energy turbine set in the 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 mostly be positioned at remote districts, therefore technology and service condition are all poor, for each wind-powered electricity generation unit can both be moved fully, and the relevant information in wind-powered electricity generation aspect are carried out effective standardized management, improve the efficient of wind energy turbine set, the monitoring of a cover perfect performance and management system are vital for the operation of wind energy turbine set.
The wind-powered electricity generation unit generally is equipped with data acquisition and monitoring (SCADA) system, this system can realize basic monitoring to the operation of wind-powered electricity generation unit, have the functions such as warning and report, can generate the wind energy turbine set event report, for stability and the reliability that improves the wind energy turbine set operation provides strong support.The SCADA system is subject to the restriction of condition sometimes, and the system data processing speed is slow, and automaticity is lower, and the parameter of monitoring only limits to electric parameters, and such as electric current, voltage, meritorious and idle etc., the function of realization mainly concentrates on electric aspect.
For the wind-powered electricity generation unit that is 20~25 years designed life, the large peak period that can welcome first maintenance or maintenance about 5~7 years.In country that wind-powered electricity generation is started late or regional, mostly wind energy turbine set just is about to enter this period.In order to reduce wind-powered electricity generation operation and maintenance cost, a kind of new maintenance mode more and more is subject to people's attention, i.e. condition monitoring and fault diagnosis.The signal of condition monitoring and failure diagnosis system collection is vibration and the impact information of wind turbine transmission chain, pylon, blade etc., at present can the canbe used on line localization of fault, precognition and warning etc., the fault diagnosis of the precision such as failure cause and development trend is subjected to condition restriction, still needs and finishes in the laboratory.The application of wind-powered electricity generation unit condition monitoring and fault diagnosis technology; not only can the shutdown of accident barrier be planned shut-down; reduce and shut down or avoid fault spread; enterprise progressively is transitioned into take the preventative maintenance of status monitoring as the basis from accident maintenance, planned maintenance the maintenance management of equipment; ensure that aerogenerator unit safe moves reliably; improve the equipment Management in Enterprise modernization level; and in fault diagnosis, can also in time find unreasonable on the defective of Design of Mechanical Structure and the parts type selecting, for the optimal design of equipment provides solid foundation.At present, wind-powered electricity generation unit condition monitoring and fault diagnosis equipment has been established in existing a small amount of wind turbine assembling.
Summary of the invention
For overcoming defects, the invention provides a kind of wind-powered electricity generation monitoring and fault diagnosis system, can realize simultaneously the monitoring of wind-powered electricity generation electric parameters and the function of wind-powered electricity generation unit condition monitoring and fault diagnosis, make it in to the wind-powered electricity generation monitoring, also can predict and report to the police the malfunction of wind-powered electricity generation unit, and occur when unusual at unit operation, can carry out accurate diagnosis 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 that described system comprises: station level computer monitoring system, wall data communication network, electrical network EMS system, data acquisition system (DAS), monitoring and protection system of transformer station, remote work station and unit (1...n); Described station level computer monitoring system carries out data interaction by the other and described electrical network EMS of described wall data communication network dividing system, described data acquisition system (DAS), monitoring and protection system of described transformer station; Described station level computer monitoring system is controlled 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 the wind energy turbine set weather information by described wall data communication network.
In the optimal technical scheme provided by the invention; described station level computer monitoring system; comprise: the operator workstation 1,2 that connects successively, service host, service standby host, five anti-workstations, protection 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 the second optimal technical scheme provided by the invention, described wall data communication network comprises: a plurality of communication control units that connect successively.
In the 3rd optimal technical scheme provided by the invention, it is the device of NSC300 that described communication control unit adopts model.
In the 4th optimal technical scheme provided by the invention, described electrical network EMS system is connected with described wall data communication network by router.
In the 5th optimal technical scheme provided by the invention, described data acquisition system (DAS) comprises: pylon impeller information acquisition device and difference connected vibration transducer, axial compression electric transducer and displacement transducer.
In the 6th optimal technical scheme provided by the invention, it is the vibration transducer of PCB356A15 or PCB352C33 that described vibration transducer adopts model.
In the 7th optimal technical scheme provided by the invention, described pylon impeller information acquisition device arranges data and processes integrated circuit board, and described data are processed the pick up and store that integrated circuit board is used for wind-powered electricity generation unit data and wind energy turbine set data.
In the 8th optimal technical scheme provided by the invention, described wind-powered electricity generation unit data comprise: the vibration information of the movement locus of voltage, electric current, active power, reactive power, generated energy, generator speed, crab angle, driving-chain spindle axis, the vibration of each mechanical part of driving-chain and impact information and pylon and blade; Described wind energy turbine set data comprise: wind speed, active power, reactive power and weather information.
In the 9th optimal technical scheme provided by the invention, monitoring and protection system of described transformer station comprises: respectively to measure and control device and third party's smart machine of described station level computer monitoring system the transmission of data.
In the tenth optimal technical scheme provided by the invention, described third party's smart machine is interfacing equipment.
In the more preferably technical scheme provided by the invention, described remote work station is accepted the control of described station level computer monitoring system by gateway and fire wall.
Provided by the invention second more preferably in the technical scheme, and described each unit (1...n) comprising: respectively to wind-powered electricity generation unit and the blower fan master control system of described data acquisition system (DAS) the transmission of data.
Compared with the prior art, a kind of wind-powered electricity generation monitoring and fault diagnosis provided by the invention system, can realize the function of wind-powered electricity generation SCADA and two systems of wind-powered electricity generation unit condition monitoring and fault diagnosis, but compare wind-powered electricity generation SCADA system, on hardware, only have more on-board data collection and analytic system, condition monitoring and fault diagnosis workstation and manual analysis terminal, adopted more respectively above-mentioned two systems to save cost; If solved the monitoring of on a typhoon motor, wanting to realize to electric parameters and mechanical quantity, and localization of fault occurs to carry out timely and accurately when unusual and fault is carried out accurate diagnosis at operating states of the units, need to adopt conventional wind-powered electricity generation SCADA system and wind-powered electricity generation unit condition monitoring and failure diagnosis system, and this two cover system is separate, each other not contact, all need repeated acquisition, the problem that the wind-powered electricity generation unit need to be set up respectively and debug to the data communication of wind field Surveillance center such as generator speed and crab angle signal etc.; Native system need not the repeated acquisition generator speed, the crab angle signal is electric shares the wind-powered electricity generation unit to the communication port of wind energy turbine set Surveillance center with the mechanical technique parameter; With machinery and electrical technology parameter by the software analysis of specialty after the array that is associated of formation, and utilize it to finish comprehensive judge to the running of wind generating set situation, improved Accuracy of Judgement and reliability; Also have, native system has adopted independently data acquisition system (DAS), and not needing to consider the unit model monitored only needs selected suitable intelligent acquisition module, sensor and corresponding data collector, can realize the monitoring to the different model unit; Moreover, can be according to the scale of wind energy turbine set and user's demand, the easily selection of the cutting of completion system and each functional module.
Description of drawings
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 synoptic diagram that comprises box type transformer observing and controlling information.
Fig. 6 is wind-powered electricity generation monitoring and failure system hardware topology figure among the embodiment.
Fig. 7 for the electrical network EMS system communication topological synoptic diagram of upgrading.
Embodiment
As shown in Figure 1, wind-powered electricity generation monitoring and fault diagnosis system comprises: station level computer monitoring system, wall data communication network, electrical network EMS system, data acquisition system (DAS), monitoring and protection system of transformer station, remote work station and unit (1...n); Described station level computer monitoring system carries out data interaction by the other and described electrical network EMS of described wall data communication network dividing system, described data acquisition system (DAS), monitoring and protection system of described transformer station; Described station level computer monitoring system is controlled 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 the wind energy turbine set weather information by described wall data communication network.
Described station level computer monitoring system; comprise: the operator workstation 1,2 that connects successively, service host, service standby host, five anti-workstations, protection 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 comprises: a plurality of communication control units that connect successively.
It is the device of NSC300 that described communication control unit adopts model.
Described electrical network EMS system is connected with described wall data communication network by router.
Described data acquisition system (DAS) comprises: pylon impeller information acquisition device and difference connected vibration transducer, axial compression electric transducer and displacement transducer, it is the vibration transducer of PCB356A15 or PCB352C33 that described vibration transducer adopts model.
Described pylon impeller information acquisition device arranges data and processes integrated circuit board, and described data are processed the pick up and store that integrated circuit board is used for wind-powered electricity generation unit data and wind energy turbine set data.
Described wind-powered electricity generation unit data comprise: the vibration information of the movement locus of voltage, electric current, active power, reactive power, generated energy, generator speed, crab angle, driving-chain spindle axis, the vibration of each mechanical part of driving-chain and impact information and pylon and blade; Described wind energy turbine set data comprise: wind speed, active power, reactive power and weather information.
Monitoring and protection system of described transformer station comprises: respectively to measure and control device and third party's smart machine of described station level computer monitoring system the transmission of data.Described third party's smart machine is interfacing equipment.
Described remote work station is accepted the control of described station level computer monitoring system by gateway and fire wall.
Described each unit (1...n) comprising: respectively to wind-powered electricity generation unit and the blower fan master control system of described data acquisition system (DAS) the transmission of 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), monitoring and protection system of transformer station, wall data communication network, station level computer monitoring system, remote work station and gps system; the wall data communication network can be according to demand links by switch and electric power special line and dispatching of power netwoks (EMS) system, carries out data communication.Described data acquisition system (DAS) is arranged in the site environment of wind-powered electricity generation unit and wind energy turbine set, is responsible for the collection of wind energy turbine set and wind-powered electricity generation unit technical parameter, and the data that gather are sent to the processing of unit data and transmission unit; Described unit data are processed and transmission unit, finish being uploaded to the wall data communication network after the processing of image data again; Monitoring and protection system of described transformer station is responsible for the remote moving function of the automated system of transformer station, and analog quantity, digital quantity, quantity of state and the protection information that gathers is uploaded to the wall data communication network after treatment; Described wall data communication network is connected with the station level computer monitoring system by switch, and the electric power special line is set according to demand and dispatching of power netwoks (EMS) system links, and carries out data communication; Described station level computer monitoring system is from wall data communication network receive data; needs according to wind energy turbine set and wind-powered electricity generation unit actual motion; carry out human-machine operation and process, and assign control command to the processing of unit data and transmission unit and monitoring and protection system of transformer station.
Fig. 2 is complete hardware topological diagram of the present invention, has possessed whole elements of system architecture of the present invention, and stand-by unit has all been adopted at the some work station of wall data communication network and station level computer monitoring system.In the practical application; can be according to size and the functional requirement of wind energy turbine set; system of the present invention is simplified and cuts out; Fig. 3 and Fig. 4 have provided respectively the Typical Disposition of station level computer monitoring system and wall data communication network among the present invention, and wherein monitoring and protection system of transformer station among Fig. 4 adopts standard configuration.
For the present invention will be described in further detail, and the characteristics of the easy cutting of embodiment the present invention, the below enumerates an instantiation.Be noted that this example implements under take technical solution of the present invention as prerequisite, but protection scope of the present invention is not limited to following example.
The present invention is applied to the 50MW wind energy turbine set, the speed-changing draught fan that it is the double-fed asynchronous type of 1.5MW that this wind energy turbine set has 33 single-machine capacities, total volume 50MW.Fan outlet is boosted by a transformer 0.69/35kV, and the unattended operation transformer station that accesses 35/110kV by 4 35kV feed cables is connected to the grid; 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 that possesses the wind-powered electricity generation unit of the Multiple Type of monitoring a plurality of manufacturers; The function that possesses monitoring anemometer tower information; Possess the supervisory control of substation function, but real time inspection transformer station various device state and carry out remote control, remote regulating comprises the box type transformer of every typhoon group of motors; Possess wind-powered electricity generation unit condition monitoring and fault diagnosis function, when unit driving-chain operation appearance is unusual, give alarm; Possess long-range web browsing function, can not control the running status of blower fan but long-range web browsing can only be checked the fan operation state; Wouldn't possess and electrical network EMS system interface function, but will possess upgradability; When running of wind generating set occurs unusually need to possessing 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, as follows to system configuration of the present invention and embodiment:
1. networking: consider reliability and the economy of network, all wind-powered electricity generation units, box type transformer and anemometer tower are consisted of 2 looped networks, unified access wall data communication network; Owing to need monitoring box type transformer information, therefore in every typhoon group of motors side switch to be installed, make the processing of unit data and transmission unit with the information fusion of transformer measure and control device, the ring network structure synoptic diagram is 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.The wall data communication network mainly comprises three communication control units, the wherein reception of two responsible wind energy turbine set data (comprising blower fan and anemometer tower) and stipulations conversion, the acceptance of a responsible substation data and stipulations conversion; The station level computer monitoring system comprises two each other stand-by heat data server, a condition monitoring and fault diagnosis workstation, a Web server, two operator workstations and network printers; For guaranteeing the reliability of system, data server is two network card configurations.Web server links to each other with Internet by gateway/router, is mainly remote work station function of browse is provided; In two operator workstations, a comprehensively monitoring of being responsible for wind field comprises the monitoring of electric parameters and mechanical quantity, a comprehensively monitoring of being responsible for transformer station, and the function of two workstations can combination in any and switching; The form of system and figure output function are responsible for by the network printer.The station level computer monitoring system is the 10/100M Ethernet, is responsible for the exchange of network data by one 24 mouthfuls switch; Long-range web browsing function realizes by add gateway device between station level computer monitoring system and remote work station, described gateway device possesses router/firewall/vpn server function, provide the web browsing service by configuration network address translation (NAT) function for remote computer, and the user of web browsing does not possess the control function, in addition, gateway device also provides the VPN dial access service, the long-distance user can be linked into the station level computer monitoring system by the Modem dial mode by telephone line, although this dial mode speed is slower, has 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 carry out following transformation to system: realized by the communication control unit in the wall data communication network with the function of electrical network EMS system communication; Because native system comprises many communication control units, therefore each communication control unit need to be linked to each other, then link to each other with electrical network EMS with the electric power special line by switch, realize data communication, as shown in Figure 7; General 104 agreements that adopt of communications protocol.
4. remote alarms scheme.For guaranteeing Security of the system, the data server, the operator workstation that generally are in the station level computer monitoring system do not possess network savvy, for realizing sending in the mode of Email the function of warning message, can set up smtp server or acting server at the Web server that possesses network savvy, operator workstation sends the mail that comprises warning message by smtp server or acting server to specific email account; For the function that realizes that phone and fax are reported to the police, can Modem be installed at operator workstation, is connected with telephone wire, and automatic transmission fax and auto dialing and send audio alert when alert event being set in system software platform occuring.
What need statement is that content of the present invention and embodiment are intended to prove the practical application of technical scheme provided by the present invention, should not be construed as the restriction to protection domain of the present invention.Those skilled in the art can do various modifications, be equal to and replace or improve inspired by the spirit and principles of the present invention.But these changes or modification are all in the protection domain that application is awaited the reply.

Claims (13)

1. 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), monitoring and protection system of transformer station, remote work station and unit (1...n); Described station level computer monitoring system carries out data interaction by the other and described electrical network EMS of described wall data communication network dividing system, described data acquisition system (DAS), monitoring and protection system of described transformer station; Described station level computer monitoring system is controlled 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 the wind energy turbine set weather information by described wall data communication network.
2. system according to claim 1; it is characterized in that; described station level computer monitoring system; comprise: the operator workstation 1,2 that connects successively, service host, service standby host, five anti-workstations, protection 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.
3. system according to claim 1 is characterized in that, described wall data communication network comprises: a plurality of communication control units that connect successively.
4. system according to claim 1 is characterized in that, it is the device of NSC300 that described communication control unit adopts model.
5. system according to claim 1 is characterized in that, described electrical network EMS system is connected with described wall data communication network by router.
6. system according to claim 1 is characterized in that, described data acquisition system (DAS) comprises: pylon impeller information acquisition device and difference connected vibration transducer, axial compression electric transducer and displacement transducer.
7. system according to claim 6 is characterized in that, it is the vibration transducer of PCB356A15 or PCB352C33 that described vibration transducer adopts model.
8. system according to claim 6 is characterized in that, described pylon impeller information acquisition device arranges data and processes integrated circuit board, and described data are processed the pick up and store that integrated circuit board is used for wind-powered electricity generation unit data and wind energy turbine set data.
9. system according to claim 8, it is characterized in that, described wind-powered electricity generation unit data comprise: the vibration information of the movement locus of voltage, electric current, active power, reactive power, generated energy, generator speed, crab angle, driving-chain spindle axis, the vibration of each mechanical part of driving-chain and impact information and pylon and blade; Described wind energy turbine set data comprise: wind speed, active power, reactive power and weather information.
10. system according to claim 1 is characterized in that, monitoring and protection system of described transformer station comprises: respectively to measure and control device and third party's smart machine of described station level computer monitoring system the transmission of data.
11. system according to claim 10 is characterized in that, described third party's smart machine is interfacing equipment.
12. system according to claim 1 is characterized in that, described remote work station is accepted the control of described station level computer monitoring system by gateway and fire wall.
13. system according to claim 1 is characterized in that, described each unit (1...n) comprising: respectively to wind-powered electricity generation unit and the blower fan master control system of described data acquisition system (DAS) the transmission of data.
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