CN202995439U - Monitoring system for wind power generation field - Google Patents
Monitoring system for wind power generation field Download PDFInfo
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- CN202995439U CN202995439U CN2012207361064U CN201220736106U CN202995439U CN 202995439 U CN202995439 U CN 202995439U CN 2012207361064 U CN2012207361064 U CN 2012207361064U CN 201220736106 U CN201220736106 U CN 201220736106U CN 202995439 U CN202995439 U CN 202995439U
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
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Abstract
The utility model discloses a monitoring system for a wind power generation field. The monitoring system comprises a wind power plant on-site communication network, a wind power plant ring network switch, a wind power plant internal network switch, and an SCADA system server; the wind power plant on-site communication network, the wind power plant ring network switch, the wind power plant internal network switch, and the SCADA system server are sequentially connected. The wind power plant on-site communication network comprises a plurality of independent operation loops; and more blower fan units than one adjacent to each other at the geographic position are in a network connection to form the operation loop. Device reliability is improved, good running of the data acquisition monitoring system is guaranteed, and data are not lost. Via the monitoring system monitoring and controlling a state of a box type transformer, good running of the wind power plant is guaranteed.
Description
Technical field
The utility model relates to wind power generation field, relates in particular to a kind ofly for large-scale grid type wind power plant, realizes the in real time reliably transmission of data and the supervisory system of the wind power plant of monitoring.
Background technology
For tackling the situation of Global climate change and energy shortage, the energy safety of supply sternness, wind energy as regenerative resource with its cleaning, safety, continuous characteristics forever, status in various countries' energy strategy improves constantly, and wind energy develops very fast and begins to play a significant role in energy supply in recent years.Still take import as main, restricted the development of China's wind-powered electricity generation industry due to present MW grade wind driven generator equipment, therefore grasped as early as possible the core technology of wind-power electricity generation and realize that production domesticization is most important.
For wind power generating set is monitored, make safe, reliable, the economic operation of blower fan of whole wind field, set up particularly important that the monitoring data transmission system of wind energy turbine set becomes.
The utility model content
It is a kind of for large-scale grid type wind power plant that the purpose of this utility model is to provide, and realizes the transmission reliably in real time of data and the supervisory system of the wind power plant of monitoring, thereby solve the foregoing problems that exists in prior art.
To achieve these goals, the technical solution adopted in the utility model is as follows:
A kind of supervisory system for wind power plant comprises network switch, SCADA system server in wind energy turbine set communication network on-the-spot, wind energy turbine set ring exchanger, wind energy turbine set; In described wind energy turbine set communication network on-the-spot, described wind energy turbine set ring exchanger, described wind energy turbine set, network switch and described SCADA system server are linked in sequence.
Preferably, described wind energy turbine set communication network on-the-spot comprises a plurality of independently operating loops; The mutual network of the fan unit that more than, geographic position of living in is faced mutually is connected to form described operating loop.
Preferably, the whole described fan unit in each described operating loop interconnects by the redundant optical fiber looped network.
Preferably, described fan unit comprises wind power generating set, box type transformer and condition checkout gear; Described box type transformer is connected with described wind power generating set; Described condition checkout gear be for detection of with the condition checkout gear that transmits described wind power generating set status information and site environment information; Described box type transformer is connected with the remote reset switch.
Preferably, described wind power generating set status information comprises rotating speed, generated energy, temperature, the pressure of genset; Described site environment information comprises wind speed, wind direction, the temperature and humidity of described genset environment of living in.
Preferably, each described operating loop connects a described wind energy turbine set ring exchanger of correspondence with it, and each described wind energy turbine set ring exchanger all is connected with network switch in described wind energy turbine set; Described wind energy turbine set Intranet switch configuration is in wind energy turbine set boosting rectifier control station.
Preferably, in described wind energy turbine set ring exchanger, described wind energy turbine set, network switch all adopts webmaster type multimode ring exchanger; Be provided with two ports that are used for the group ring on each described wind energy turbine set ring exchanger; The above wind energy turbine set ring exchanger interconnects the makeup ring l network by Shielded Twisted Pair.
Preferably, described SCADA system server comprises main frame and slave, described main frame and the mutual redundancy of described slave.
Preferably, also comprise host computer man-machine interface platform, described host computer man-machine interface platform is connected with described SCADA system server; Described host computer man-machine interface platform comprises: communication interface, outer network interface, wind energy turbine set data acquisition monitor-interface; Described communication interface is used for and the third party device communication, described outer network interface is used for connecting Internet provides monitor service for authorized user, and described wind energy turbine set data acquisition monitor-interface also is used for described wind power generating set is carried out Long-distance Control for the status information that gathers described wind power generating set and site environment information.
The beneficial effects of the utility model are:
1. raising equipment dependability guarantees that data acquisition monitoring system well moves, and data are not lost.By supervisory system monitoring and controlling box type transformer state, thus the good running of assurance wind energy turbine set.
2. for carrying out communication work, the equipment with multiple producer provides convenience.
3. the work for O﹠M personnel and wind field operator on duty provides convenience, can constantly recognize the operation conditions of blower fan.
Description of drawings
Fig. 1 is the hardware configuration schematic diagram of supervisory system of the present utility model;
Fig. 2 is the application schematic diagram of supervisory system of the present utility model;
Fig. 3 is the functional schematic of supervisory system of the present utility model.
Wherein: 1, wind energy turbine set ring exchanger; 2, network switch in wind energy turbine set; 3, SCADA system server; 4, electric field controlling equipment; 5, VPN; 6, monitoring station.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model is further elaborated.Should be appreciated that embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
As shown in Figure 1, the utility model discloses a kind of supervisory system for wind power plant, comprise network switch, SCADA system server in wind energy turbine set communication network on-the-spot, wind energy turbine set ring exchanger, wind energy turbine set; In described wind energy turbine set communication network on-the-spot, described wind energy turbine set ring exchanger, described wind energy turbine set, network switch and described SCADA system server are linked in sequence.Described wind energy turbine set communication network on-the-spot comprises a plurality of independently operating loops; The mutual network of the fan unit that more than, geographic position of living in is faced mutually is connected to form described operating loop.Whole described fan unit in each described operating loop interconnects by the redundant optical fiber looped network.Described fan unit comprise wind power generating set, the box type transformer that is connected with described wind power generating set and for detection of with the condition checkout gear that transmits described wind power generating set status information and site environment information; Described box type transformer is connected with the remote reset switch.Described wind power generating set status information comprises rotating speed, generated energy, temperature, the pressure of genset; Described site environment information comprises wind speed, wind direction, the temperature and humidity of described genset environment of living in.Each described operating loop connects a described wind energy turbine set ring exchanger of correspondence with it, and each described wind energy turbine set ring exchanger all is connected with network switch in described wind energy turbine set; Described wind energy turbine set Intranet switch configuration is in wind energy turbine set boosting rectifier control station.In described wind energy turbine set ring exchanger, described wind energy turbine set, network switch all adopts webmaster type multimode ring exchanger; Be provided with two ports that are used for the group ring on each described wind energy turbine set ring exchanger; The above wind energy turbine set ring exchanger interconnects the makeup ring l network by Shielded Twisted Pair.Described SCADA system server comprises a main frame and a slave, described main frame and the mutual redundancy of described slave.Also comprise host computer man-machine interface platform, described host computer man-machine interface platform is connected with described SCADA system server; Described host computer man-machine interface platform comprises: communication interface, outer network interface, wind energy turbine set data acquisition monitor-interface; Described communication interface is used for and the third party device communication, described outer network interface is used for connecting Internet provides monitor service for authorized user, and described wind energy turbine set data acquisition monitor-interface also is used for described wind power generating set is carried out Long-distance Control for the status information that gathers described wind power generating set and site environment information.Described wind energy turbine set data acquisition monitor-interface comprises: real-time monitoring module for the status information and the site environment information that show described wind power generating set, also is used for being provided for described wind power generating set is carried out the instruction triggers device of Long-distance Control; The affair alarm module is used for when default alert if is triggered, and the time that display alarm occurs, type of alarm and the event information relevant to the warning that occurs are saved in the alert event that shows in alarm database simultaneously; Also be used for alert event is sent to default E-mail address or sends to default mobile phone with the form of note with the form of Email; The data sheet module is used for providing production capacity form, event form, fault form, powertrace and real-time form; The chart display module is used for showing the parameter of described blower fan and the variable condition of described parameter with diagrammatic form; The operating right control module is used for giving described user different control operating rights according to current operation user's Permission Levels; Single blower fan display module for status information and the parameter information of the single described blower fan that shows appointment, also is used for described parameter is modified.
For the wind power generating set of large-scale grid type wind power plant, supervisory system of the present utility model can gather the blower fan data of wind energy turbine set real-time and accurately, and the parameter of box type transformer is gathered; And can realize that Surveillance center is to the effective monitoring of blower fan data and state; Server is provided with two redundancy structures, server arranges two-way physical isolation equipment with communicating by letter between concentrator, with wind energy turbine set outer network exit, fire wall and vpn server are set, and prevents that outer net is to the forcible entry of wind field internal unit, and be provided with safety classification, guaranteed Security of the system; Supervisory system has the several data interface, can satisfy the communication need of different tissues unit.
Concrete:
Supervisory system for wind power plant of the present utility model, mainly by network switch in wind energy turbine set communication network on-the-spot, wind energy turbine set ring exchanger, wind energy turbine set, SCADA system server, host computer man-machine interface platform, and other utility appliance form.Position annexation between them is: the wind power generating set in wind field is divided into several independently operating loops according to factors such as its geographic locations, blower fan in each loop adopts the mode of redundant optical fiber looped network to connect, each looped network via with each loop corresponding wind energy turbine set ring exchanger respectively, all be connected with the wind energy turbine set network switch that is positioned at wind energy turbine set boosting rectifier control station.Data finally arrive on the SCADA system server at wind energy turbine set boosting rectifier control station, and carry out autostore.The wind energy turbine set controlling equipment is attached thereto, and gathers desired data, and completes the scheduling function.Host computer man-machine interface platform is divided into following components: server S CADA part, client SCADA part, the Telnet interface after the access of VPN outer net, Internet login Web issue client terminal.
Described wind energy turbine set communication network on-the-spot refers to the optical-fibre communications connected mode of redundant optical fiber looped network.Optical fiber ring network is in order to prevent that in fiber optic network, any connecting line breaks, the network security hidden danger that bring in a zone during impact connects.It can prevent that the place from connecting and break down and to affect overall network, make network be in redundant mode.That is to say and still can guarantee the data transmission of system when the network of any path breaks down.Wherein the circuit of optical fiber is along service cable, and the minimum length of every optical fiber has been optimized in the sequence that blower fan connects.Fiber transmission speeds satisfies the supervisory system SCADA required broadband 10/100Mbps of system.The actual cable run distance of field optical fibers is in 5 kms, and therefore selecting multimode optical fiber, this multimode optical fiber is 8 core fibres, actual 4 cores that use, and other 4 cores are standby.
Described wind energy turbine set ring exchanger refers to HIES-2042FX-MM webmaster type multimode ring exchanger, and its supported ultimate range is 5 kms, and operating temperature range is-40～75 ℃, and grid line is Shielded Twisted Pair.General Ethernet switch can not be made the network of annular, therefore once the formation annular can form broadcast storm.But ring network structure has the advantage of self, such as the advantages such as redundancy, reliability are arranged.A certain road link on looped network disconnects, and can not affect the forwarding of data on network.Therefore introduced ring exchanger herein.This ring exchanger can be set up loop network.Two ports that are used for the group ring are arranged on each switch, consisted of annular network topology by the form of handing in hand between switch.Ring exchanger has adopted some special technique, has avoided the generation of broadcast storm, has realized again the reliability of loop network simultaneously.
Network switch refers to boosting rectifier control station ring exchanger in described wind energy turbine set, and with the same model of wind energy turbine set ring exchanger, different is that grid line is general twisted-pair power cable.
Described SCADA system server is the high performance OptiPlex 380MT of Dell, and the mutual redundancy of two computers, receives simultaneously the data that the wind power generating set place transmits.This two computers is divided into main frame and slave, and when the machine slave was normal, it was main state that system will automatically switch to slave, and can the storage of data not impacted when main frame.
Described host computer man-machine interface platform also comprises following three aspects: carry out the various communication interfaces of communication, the outer net access interface of realizing remote monitoring, wind energy turbine set data acquisition monitor-interface with the third party.
Described various communication interfaces of carrying out communication with the third party comprises Modbus TCP, Modbus RTU, OPC standard communications protocol etc.Need to have with the communication that the third party carries out: middle adjusting data is uploaded, Wind power forecasting data transmission, box type transformer parameter acquisition.The parameter that middle adjusting data is uploaded has wind speed, wind direction, active power, reactive power, fan starting zone bit, blower fan to stop zone bit, blower fan reseting mark position.The parameter that the above-mentioned middle adjusting data of Wind power forecasting data fundamental sum is uploaded is identical.The semaphore of box type transformer parameter acquisition communication has the isolating switch co-bit, isolating switch divides the position, the circuit breaker failure tripping operation, transformer high temperature alarm, transformer earth pressure release, on-load switch divides the position, the on-load switch co-bit, transformer oil level is low, and transformer oil level is high, transformer high-voltage chamber door co-bit, transformer high-voltage chamber door divides the position.
The outer net access of described remote monitoring, refer to the SCADA server and connect fiber optic network and wind power generating set by the photoelectricity switch, server can arrange two-way physical isolation equipment with communicating by letter between concentrator, and with wind energy turbine set outer network exit, fire wall and vpn server are set, prevent that outer net is to the forcible entry of wind field internal unit.Be connected with outer net by VPN, the operator permits according to authority, can access wind farm monitoring system by net address outside arbitrarily, has same monitoring function.System also can provide the web browsing service function according to demand, and being positioned at outer online authorized user can be by the real-time and history run situation of web page browsing wind energy turbine set.
Described wind energy turbine set data acquisition monitor-interface comprises data acquisition interface and data monitoring interface.Thereby the SCADA system by data acquisition interface data acquisition that PLC is open to the server to data show, the operation such as processing.Similarly, the control operation of carrying out on server also is transferred to PLC by this data acquisition interface, realizes that control station is to the Long-distance Control of blower fan.This data acquisition interface also can be monitored the communication state between host computer and slave computer.This data acquisition interface is connected with the network address of PLC by server is set, and distinguishes different wind power generating set by setting up different links and equipment.
Described data monitoring interface be used for monitoring whole wind energy turbine set wind power generating set running status and it is controlled.Specifically comprise:
1) real-time monitoring module
Show the various information of wind power generating set by the Long-distance Control server, the main contents of demonstration comprise temperature, pressure and other parameters, the actual measurement real time data of each sensor, the warning message of the running status of whole wind power generating set, wind speed, generator speed, generated energy and equipment.
The energy management window can limit load, and is provided with security password.Only need the maximal value input with the wind field total load, then input security password, determine, these load values can be assigned to just on operating blower fan.Wherein security password is in order to prevent the appearance of maloperation.Concrete operating process comes control variable to realize by compile script.
When province's accent need to limit generated energy, this energy management platform can be brought into play satisfied effect, and generated energy is effectively limited; When not needing generated energy is limited, can lift restrictions.
2) affair alarm module
When the user login, withdraw from, when carrying out any operation or data input instruction on the interface, the operation meeting of doing shows in event window, the information such as the value before and after the time that event occurs side by side, data change, operating personnel, the event of record can be saved in event database.
When the alert if of blower fan was triggered, alerting signal can show on picture, the time that can showing in warning window reports to the police occurs, type of alarm and the information such as warning that occur, and the alert event of demonstration can be saved in alarm database.Also the mail forwarding capability can be set, when occuring when reporting to the police, this situation be sent in the mailbox of setting.
The event and the alert data that are saved in lane database can call by the shell script that operation is write, and are presented in Microsoft Excel, and store on the position of appointment.
3) data sheet module
Be divided into production capacity form, event form, fault form, powertrace, real-time form.The production capacity form be mainly to each blower fan generated energy, can utilize hour, availability records and compare, and is divided into daily sheet, month form, year form.Event form and fault form screen qualified event or warning from lane database, wherein time range and blower fan can be selected and arrange.Powertrace is that the Pv curve to blower fan shows.Form mainly shows some master datas in real time, as generator voltage, electric current, each temperature index etc., so that the contrast of the different parameters of each blower fan.
4) chart display module
Chart shows the histogram demonstration of some parameter index that is on the one hand each blower fan, makes like this parameter comparison of blower fan more directly perceived.General curve is the entire change curve of whole certain parameter of wind field on the other hand, can analyze its general morphologictrend.
5) operating right control module
Have operating right hierarchical management function, just have the right to operate control, parameter modification when inputting the proper operation password, and give record with information.And has a function that people, operation revised context are revised in record operation.Concrete scheme is exactly to controls different on picture, different priority to be set, and just has the right this control is operated during higher than the priority of this control when user's priority.
6) single blower fan display module
When clicking the separate unit blower fan, can be entered into the operation interface of single blower fan by blower fan master interface, be divided into several interfaces such as beginning interface, wheel hub page, cabin page, current transformer page, statistics page, warning page, warning window page, can switch between them.Show the parameter of wind power generating set on each interface, and can change the variable that can write, to reach the purpose of remote monitoring.
Supervisory system of the present utility model is when using, and the data of controller of fan PLC and the data of IOLogik (being the box type transformer parameter) are transferred to the SCADA system server by optic fibre of looped network, and the SCADA system server is provided with the redundancy machine.What this two-part communication was all adopted is the Modbus communications protocol, and it is a kind of ripe communications protocol that is widely used.The SCADA system server transfers data on the SCADA monitoring station that monitors for the wind field operator on duty by Transmission Control Protocol.Wherein telesignalisation wind speed, wind direction, active power, reactive power are transferred to middle accent control end by the ModbusRTU serial port, and are provided with the energy charge that variable is controlled whole wind field.The required data that are used for predicting wind-power electricity generation power of the equipment of wind power prediction producer are also from the SCADA system server, and communication modes is standard OPC communications protocol.As shown in Figure 2
That summarizes says, because wind-power electricity generation has randomness, instable characteristics, therefore more can improve the safety of wind generator system by the representative parameter that gathers more equipment, supervisory system of the present utility model is except gathering blower fan place, anemometer tower place data, also the parameter of box type transformer gathered, and be shown on the supervisory system interface.Simultaneously, in order to strengthen its reliability, the place is provided with redundant server in supervisory system, can with server redundancy each other, guarantee the operation of system and the preservation of data.In addition, server can arrange two-way physical isolation equipment with communicating by letter between concentrator, and with wind energy turbine set outer network exit, fire wall and vpn server is set, and prevents that outer net is to the forcible entry of wind field internal unit.
The SCADA system server namely is used for data acquisition and monitors the system server of controlling.Wind energy turbine set SCADA system server is based on the real-time monitoring system server of wind-power electricity generation, is used for realizing monitoring, the operated from a distance of fan operation state, is the platform of data sharing, exchange and transmission.
By adopting the disclosed technique scheme of the utility model, obtained following useful effect:
1. raising equipment dependability guarantees that data acquisition monitoring system well moves, and data are not lost.By supervisory system monitoring and controlling box type transformer state, thus the good running of assurance wind energy turbine set.
2. for carrying out communication work, the equipment with multiple producer provides convenience.
3. the work for O﹠M personnel and wind field operator on duty provides convenience, can constantly recognize the operation conditions of blower fan.
The above is only preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be looked protection domain of the present utility model.
Claims (9)
1. a supervisory system that is used for wind power plant, is characterized in that, comprises network switch, SCADA system server in wind energy turbine set communication network on-the-spot, wind energy turbine set ring exchanger, wind energy turbine set; In described wind energy turbine set communication network on-the-spot, described wind energy turbine set ring exchanger, described wind energy turbine set, network switch and described SCADA system server are linked in sequence.
2. the supervisory system for wind power plant according to claim 1, is characterized in that, described wind energy turbine set communication network on-the-spot comprises a plurality of independently operating loops; The mutual network of the fan unit that more than, geographic position of living in is faced mutually is connected to form described operating loop.
3. the supervisory system for wind power plant according to claim 2, is characterized in that, the whole described fan unit in each described operating loop interconnects by the redundant optical fiber looped network.
4. the supervisory system for wind power plant according to claim 2, is characterized in that, described fan unit comprises wind power generating set, box type transformer and condition checkout gear; Described box type transformer is connected with described wind power generating set; Described condition checkout gear be for detection of with the condition checkout gear that transmits described wind power generating set status information and site environment information; Described box type transformer is connected with the remote reset switch.
5. the supervisory system for wind power plant according to claim 4, is characterized in that, described wind power generating set status information comprises rotating speed, generated energy, temperature, the pressure of genset; Described site environment information comprises wind speed, wind direction, the temperature and humidity of described genset environment of living in.
6. the supervisory system for wind power plant according to claim 2, it is characterized in that, each described operating loop connects a described wind energy turbine set ring exchanger of correspondence with it, and each described wind energy turbine set ring exchanger all is connected with network switch in described wind energy turbine set; Described wind energy turbine set Intranet switch configuration is in wind energy turbine set boosting rectifier control station.
7. the supervisory system for wind power plant according to claim 1, is characterized in that, in described wind energy turbine set ring exchanger, described wind energy turbine set, network switch all adopts webmaster type multimode ring exchanger; Be provided with two ports that are used for the group ring on each described wind energy turbine set ring exchanger; The above wind energy turbine set ring exchanger interconnects the makeup ring l network by Shielded Twisted Pair.
8. the supervisory system for wind power plant according to claim 1, is characterized in that, described SCADA system server comprises main frame and slave, described main frame and the mutual redundancy of described slave.
9. the supervisory system for wind power plant according to claim 1, is characterized in that, also comprises host computer man-machine interface platform, and described host computer man-machine interface platform is connected with described SCADA system server; Described host computer man-machine interface platform comprises: communication interface, outer network interface, wind energy turbine set data acquisition monitor-interface; Described communication interface is used for and the third party device communication, described outer network interface is used for connecting Internet provides monitor service for authorized user, and described wind energy turbine set data acquisition monitor-interface also is used for described wind power generating set is carried out Long-distance Control for the status information that gathers described wind power generating set and site environment information.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103809556A (en) * | 2013-12-12 | 2014-05-21 | 神华集团有限责任公司 | Fan state monitoring system and method |
| CN103901828A (en) * | 2012-12-27 | 2014-07-02 | 北京万源工业有限公司 | Monitoring system for wind power generating plant |
| CN103944957A (en) * | 2014-03-11 | 2014-07-23 | 成都阜特科技股份有限公司 | Off-line data collection method for industrial monitoring system and collection system thereof |
| CN105118242A (en) * | 2015-08-19 | 2015-12-02 | 国网浙江省电力公司湖州供电公司 | SCADA-based temperature and humidity intelligent alarm apparatus |
| CN105134493A (en) * | 2015-10-20 | 2015-12-09 | 重庆科凯前卫风电设备有限责任公司 | Information acquisition and storage method based on wind generator set control system |
| CN106597968A (en) * | 2016-12-24 | 2017-04-26 | 大连尚能科技发展有限公司 | Converter high-speed real-time monitoring system and method based on Redis |
| CN107251016A (en) * | 2014-12-15 | 2017-10-13 | 二A 科技有限公司 | Monitor and control the system and method for the operation of multiple machines for producing diamond |
| CN108035903A (en) * | 2017-12-29 | 2018-05-15 | 南京磁谷科技有限公司 | A kind of magnetic suspension air blower multi-connected unit control system and its control method |
| CN110388332A (en) * | 2019-07-28 | 2019-10-29 | 苏州领消智能消防有限公司 | Firefighting fan remote monitoring module |
| CN115086088A (en) * | 2022-08-22 | 2022-09-20 | 南京华盾电力信息安全测评有限公司 | Safe operation and maintenance access device and PLC (programmable logic controller) safe operation and maintenance method for fan |
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| CN103901828A (en) * | 2012-12-27 | 2014-07-02 | 北京万源工业有限公司 | Monitoring system for wind power generating plant |
| CN103809556A (en) * | 2013-12-12 | 2014-05-21 | 神华集团有限责任公司 | Fan state monitoring system and method |
| CN103944957A (en) * | 2014-03-11 | 2014-07-23 | 成都阜特科技股份有限公司 | Off-line data collection method for industrial monitoring system and collection system thereof |
| CN103944957B (en) * | 2014-03-11 | 2017-08-25 | 成都阜特科技股份有限公司 | Off-line data collecting method and its acquisition system used in a kind of industrial monitoring system |
| CN107251016A (en) * | 2014-12-15 | 2017-10-13 | 二A 科技有限公司 | Monitor and control the system and method for the operation of multiple machines for producing diamond |
| CN105118242A (en) * | 2015-08-19 | 2015-12-02 | 国网浙江省电力公司湖州供电公司 | SCADA-based temperature and humidity intelligent alarm apparatus |
| CN105134493A (en) * | 2015-10-20 | 2015-12-09 | 重庆科凯前卫风电设备有限责任公司 | Information acquisition and storage method based on wind generator set control system |
| CN106597968A (en) * | 2016-12-24 | 2017-04-26 | 大连尚能科技发展有限公司 | Converter high-speed real-time monitoring system and method based on Redis |
| CN108035903A (en) * | 2017-12-29 | 2018-05-15 | 南京磁谷科技有限公司 | A kind of magnetic suspension air blower multi-connected unit control system and its control method |
| CN110388332A (en) * | 2019-07-28 | 2019-10-29 | 苏州领消智能消防有限公司 | Firefighting fan remote monitoring module |
| CN115086088A (en) * | 2022-08-22 | 2022-09-20 | 南京华盾电力信息安全测评有限公司 | Safe operation and maintenance access device and PLC (programmable logic controller) safe operation and maintenance method for fan |
| CN115086088B (en) * | 2022-08-22 | 2022-12-30 | 南京华盾电力信息安全测评有限公司 | Safe operation and maintenance access device and PLC (programmable logic controller) safe operation and maintenance method for fan |
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