CN106329718A - Monitoring system of wind power generation converter and method - Google Patents
Monitoring system of wind power generation converter and method Download PDFInfo
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- CN106329718A CN106329718A CN201510387004.4A CN201510387004A CN106329718A CN 106329718 A CN106329718 A CN 106329718A CN 201510387004 A CN201510387004 A CN 201510387004A CN 106329718 A CN106329718 A CN 106329718A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
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Abstract
The invention relates to a monitoring system of a wind power generation converter. The monitoring system is characterized by comprising a lower computer, an optical fiber communication unit and an upper computer, wherein the lower computer is used for collecting and storing various required parameters in a wind power generation converter system and sending out the parameters according to requirement information of the upper computer; the optical fiber communication unit is used for packing the requirement information of the upper computer according to the requirements of the used communication protocol and then transmitting the requirement information to the lower computer, and packing parameter information collected by the lower computer according to the requirements of the used communication protocol and then transmitting the parameter information to the upper computer; and the upper computer is used for committing the requirement information of a user to the optical fiber communication unit to pass the requirement information to the lower computer, processing the parameter information which is transmitted by the optical fiber communication unit and collected by the lower computer and then displaying the parameter information to the user in a form of an image or a numerical value. The invention further discloses a method of the monitoring system of the wind power generation converter.
Description
Technical field
The present invention relates to the monitoring system and method for a kind of wind-force generating converter, particularly to a kind of monitoring system and method to current transformer internal information.Belong to technical field of wind power generation.
Background technology
Wind electric converter can optimize the operation of wind generator system, it is achieved the variable speed constant frequency generator in wide wind speed range, improves the working condition of fan efficiency and chain, reduces electromotor loss, improves operational efficiency, promotes wind energy utilization.Along with developing rapidly of wind generating technology, the functional complexity of wind electric converter improves day by day, and the requirement of electrical network, motor adaptability and aspect of performance improves the most day by day.Owing to the demand difference of client is very big, a large amount of New function need to realize, and the most quickly, accurately, clearly, comprehensively monitor the change during New function realizes and researcher is had directive significance.
In the dispatching from the factory or test of current transformer, need to observe different parameters, such as line voltage according to different test purposes, the analog quantitys such as stator current, chopper, catalyst, rotor current D axle in the digital quantities, or running such as outside dry contact, the intermediate variable such as rotor current Q axle component.General monitoring system only require can video data, as long as so slave computer set set form toward host computer pass data.But so certainly will have some defect.Such as require to gather analog quantity, then require that higher sample frequency goes to gather and store, pass to host computer afterwards and be shown as waveform；Some controlled quentity controlled variable considers that real-time need not special detailed information, it is desirable to quickly passes to host computer and is shown as waveform；And some other common variabless only require general on interface display.It addition, in the monitoring of current transformer, monitored variable is the most unfixed, so if needing to preserve aleatory variable, more existing wind electric converter monitoring systems do not possess corresponding function.Also some monitoring system is only limitted to data to the process of data and shows and store, it is impossible to be directly further analyzed data by monitoring system.
The most existing a kind of wind electric converter monitoring system (ZL:201210359189.4), wind electric converter monitoring system described in one is made up of the system software module of front end sensors module, Signal-regulated kinase, virtual instrument data acquisition module and PC end, these innovation and creation are to be acquired data by the system software module of front end sensors module by signal conditioning module, virtual instrument data acquisition module and PC end, and these data are shown, preserve, it is provided that data analysis function.Select aleatory variable can meet real-time and the accuracy observation requirement of data respectively to oscillograph or data logger.It addition, software oscillographic curve function shows the change procedure of curve more intuitively.This monitoring system obtains certain effect under appropriate conditions, but can not meet real-time and the accuracy observation requirement of data, can not show the change procedure of curve intuitively.
In sum, although having now the monitoring system of some wind-force generating converters, but still there are the problems referred to above in monitoring system mostly.In consideration of it, need invention one at present badlyNovelThe monitoring system and method for wind-force generating converter.
Summary of the invention
The present invention provides the monitoring system and method for a kind of wind-force generating converter, by current transformer implementing monitoring, overcoming some defects that prior art exists.
The technical scheme is that and be achieved in that:
The monitoring system of a kind of wind-force generating converter, it is characterised in that include slave computer, optical-fibre communications unit, host computer, wherein:
Slave computer, collects the parameter in wind-force generating converter and stores, and parameter being sent by the demand information of host computer；
Optical-fibre communications unit, is sent to slave computer by the requirement of communication protocol used after the user's request information of host computer being packed, and the parameter information collected by slave computer is sent to host computer by after the requirement packing of communication protocol used；
Host computer, gives optical-fibre communications unit to pass to slave computer by user's request information, and is transmitted by optical-fibre communications unit after the parameter information that the slave computer come collects processes and show user with the form of image or numerical value.
Further, described host computer includes parameter information interface, oscilloscope display interface, data logger interface, wherein:
Parameter information interface, parameter information interface for users selects the parameter to show in oscillograph or data logger, and parameter information interface also shows the slow parameter value of corresponding parameter simultaneously, and parameter describes and parameter ID；
Oscilloscope display interface, the real-time waveform information of the parameter that the selection of oscilloscope display interface display is watched with oscillograph, simultaneously oscilloscope display interface can according to user need regulate its display parameters；
Data logger interface, shows the fine shape information of the parameter that data logger interface display selection data logger watches, simultaneously data logger interface can according to user need regulate its display parameters.
The display parameters of described oscilloscope display interface and data logger display interface include transverse axis time, longitudinal axis numerical value, the numerical values recited of current number, coordinate, the color of curve, the amplification of numerical value.
Described slave computer mainly includes systematic parameter collection part, parameter storage part, parameter scheduling portion, wherein:
Systematic parameter collects part, collects the real-time parameter of various system；
Supplemental characteristic storage part, the systematic parameter that store collected arrives；
Supplemental characteristic scheduling portion, sends into the parameter collected supplemental characteristic storage section store and the parameter needed for host computer is taken out from supplemental characteristic storage part and give optical-fibre communications unit, and being sent to host computer by optical-fibre communications unit.
Described user's request information includes the display mode of required parameter ID and this parameter.
The display mode of described parameter includes that slow parameter shows, oscilloscope display, data logger show, wherein:
Slow parameter shows, in sending function, directly the number that appropriate address points to is assigned to different intermediate variables, then according to protocol packing becomes set form to transmit toward host computer with different transmission frequencies；
Oscilloscope display, in sending function, is directly assigned to different intermediate variables by the number that appropriate address points to, then according to protocol packing becomes set form to transmit toward host computer with different transmission frequencies；
Data logger shows, gathers and wants the information of transmission variables to store in array, after completing to gather, then passes to host computer with corresponding transmission frequency.
A kind of monitoring method of wind-force generating converter, comprises the following steps:
Step one: parameter is arrangedIn tableVariable add in oscillograph interface or data logger interface, collecting the ID of added variable, then getting parms row if issuing slow parameter informationIn tableRelevant information, be then packaged into the set form that host-host protocol specifies, toward slave computer send；
Step 2: after slave computer receives data command, is decoded and distinguishes parameter type, after having gathered, passes to host computer with corresponding transmission frequency；
Step 3: after host computer receives data command, distinguishes data type, is respectively displayed in slow parameter list, oscillograph frame and data logger frame, the parameter in oscillograph and data logger is shown in graph form and real-time storage.
Parameter type described in step 2 includes oscillograph parameter and data logger parameter.
When parameter type described in step 2 is oscillograph parameter, in sending function, directly the number that appropriate address points to is assigned to different intermediate variables, is then packaged into set form by the requirement of communication protocol used and transmits toward host computer with different transmission frequencies.
When parameter type described in step 2 is data logger parameter, become number according to transmission to require to open up one piece of internal memory, the function called with sample frequency again gives this block internal memory assignment, is then packaged into set form by the requirement of communication protocol used and transmits toward host computer with different transmission frequencies.
The present invention has following feature and a beneficial effect:
The monitoring method of the wind-force generating converter internal information that the present invention provides covers the whole monitoring ranges within current transformer, in addition to the information that internal control needs, also monitor peripheral switch Guan Bi off-state, ambient temperature, humidity, water temperature, all variablees within information, i.e. current transformer such as hydraulic pressure can be generalized machine monitoring.Additionally, this monitoring method is also provided simultaneously with rapidity and follows the tracks of data and detail tracking data function, by host computer in addition to the data function that display is general, select aleatory variable can meet real-time and the accuracy observation requirement of data respectively to oscillograph or data logger, because the oscillographic data transfer interval time is 10ms, and it is that continuous print is uploaded；And data logger can record the data in a period of time, its data sampling is spaced apart 0.5ms.It addition, software oscillographic curve function shows the change procedure of curve more intuitively.Not only contribute to experiment at ordinary times or debugging, and scene within the specific limits, can substitute for true oscillograph with software oscillograph, convenient use.
The present invention for data processing function except the display of data and store in addition to, further comprises preserving the analysis of data and intuitively presenting data, thus expanded the function of monitoring, the data of monitoring gained directly can be analyzed by direct monitoring system by user, thus understand the state of wind-force generating converter monitoring system.
Additionally, current transformer running exists the fault of various kinds, be delivered to the fault of host computer by slow parameter, fault can be resequenced according to the sequencing occurred by the present invention according to the index of fault, finally the failure logging arranged can be stored in excel and preserve.Such that it is able to understand the fault message within current transformer and the order of fault generation easily.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below by use required in embodiment or description of the prior artAccompanying drawingIt is briefly described, it should be apparent that, in describing belowAccompanying drawingIt is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to theseAccompanying drawingObtain otherAccompanying drawing。
Figure 1The flow process realized for internal information monitoring system in the monitoring system of a kind of wind-force generating converter of the present inventionFigure。
Detailed description of the invention
Below in conjunction with in the embodiment of the present inventionAccompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
The monitoring system of a kind of wind-force generating converter, including slave computer, optical-fibre communications unit, host computer, wherein: slave computer, collects the parameter in wind-force generating converter and stores, and parameter being sent by the demand information of host computer；Optical-fibre communications unit, is sent to slave computer by the requirement of communication protocol used after the user's request information of host computer being packed, and the parameter information collected by slave computer is sent to host computer by after the requirement packing of communication protocol used；Host computer, gives optical-fibre communications unit to pass to slave computer by user's request information, and is transmitted by optical-fibre communications unit after the parameter information that the slave computer come collects processes and show user with the form of image or numerical value.
Host computer includes parameter information interface, oscilloscope display interface, data logger interface, wherein: parameter information interface, parameter information interface for users selects the parameter to show in oscillograph or data logger, parameter information interface also shows the slow parameter value of corresponding parameter simultaneously, and parameter describes and parameter ID；Oscilloscope display interface, the real-time waveform information of the parameter that the selection of oscilloscope display interface display is watched with oscillograph, simultaneously oscilloscope display interface can according to user need regulate its display parameters；Data logger interface, shows the fine shape information of the parameter that data logger interface display selection data logger watches, simultaneously data logger interface can according to user need regulate its display parameters.
Slave computer mainly includes systematic parameter collection part, parameter storage part, parameter scheduling portion, wherein: systematic parameter collects part, collects the real-time parameter of various system；Supplemental characteristic storage part, the systematic parameter that store collected arrives；Supplemental characteristic scheduling portion, sends into the parameter collected supplemental characteristic storage section store and the parameter needed for host computer is taken out from supplemental characteristic storage part and give optical-fibre communications unit, and being sent to host computer by optical-fibre communications unit.
First having been connected by external hardware, external hardware includes that slave computer dsp board powers on, and Optical Interface Board is connected on computer USB mouth, and the optical fiber cable between dsp board and fibre optic plate correctly connects.
Arrange in parameterIn tableSelecting the variable observed to be respectively added in oscillograph or data logger, the start button of click, host computer starts corresponding data encoding is packaged into the set form that host-host protocol specifies, rear toward slave computer transmission instruction.
After slave computer receives data, first distinguishing is what kind of data: slow parameter, oscillograph parameter or data logger parameter.Take out No. ID therein, further analyze and obtain this variable address in slave computer.
If slow parameter or oscillograph parameter, in sending function, directly the number that appropriate address points to is assigned to different intermediate variables, then according to protocol packing becomes set form to transmit toward host computer with different transmission frequencies.If data logger parameter, gather the information wanting transmission variables from this point on, in rear storage to array.After completing to gather, then pass to host computer with corresponding transmission frequency.
After host computer receives data, same differentiation is any categorical data, is respectively displayed in parameter list, oscillograph and data logger.And the parameter in oscillograph and data logger is shown and real-time storage in graph form.
The display parameters of oscilloscope display interface and data logger display interface include transverse axis time, longitudinal axis numerical value, the numerical values recited of current number, coordinate, the color of curve, the amplification of numerical value.
User's request information includes the display mode of required parameter ID and this parameter.
The display mode of parameter includes that slow parameter shows, oscilloscope display, data logger show, wherein: slow parameter shows, in sending function, directly the number that appropriate address points to is assigned to different intermediate variables, then according to protocol packing becomes set form to transmit toward host computer with different transmission frequencies；Oscilloscope display, in sending function, is directly assigned to different intermediate variables by the number that appropriate address points to, then according to protocol packing becomes set form to transmit toward host computer with different transmission frequencies；Data logger shows, gathers and wants the information of transmission variables to store in array, after completing to gather, then passes to host computer with corresponding transmission frequency.
A kind of monitoring method of wind-force generating converter comprises the following steps:
Step one: parameter is arrangedIn tableVariable add in oscillograph interface or data logger interface, collecting the ID of added variable, then getting parms row if issuing slow parameter informationIn tableRelevant information, be then packaged into the set form that host-host protocol specifies, toward slave computer send；
Step 2: after slave computer receives data command, is decoded and distinguishes parameter type, after having gathered, passes to host computer with corresponding transmission frequency；
Step 3: after host computer receives data command, distinguishes data type, is respectively displayed in slow parameter list, oscillograph frame and data logger frame, the parameter in oscillograph and data logger is shown in graph form and real-time storage.
Parameter type described in step 2 includes oscillograph parameter and data logger parameter.
When parameter type described in step 2 is oscillograph parameter, in sending function, directly the number that appropriate address points to is assigned to different intermediate variables, is then packaged into set form by the requirement of communication protocol used and transmits toward host computer with different transmission frequencies.
When parameter type described in step 2 is data logger parameter, become number according to transmission to require to open up one piece of internal memory, the function called with sample frequency again gives this block internal memory assignment, is then packaged into set form by the requirement of communication protocol used and transmits toward host computer with different transmission frequencies.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (10)
1. the monitoring system of a wind-force generating converter, it is characterised in that include slave computer, optical-fibre communications list
Unit, host computer, wherein:
Slave computer, collects the parameter in wind-force generating converter and stores, and the demand information pressing host computer will
Parameter is sent；
Optical-fibre communications unit, after packing the user's request information of host computer by the requirement of communication protocol used
It is sent to slave computer, and after the parameter information collected by slave computer is packed by the requirement of communication protocol used
It is sent to host computer；
Host computer, gives user's request information optical-fibre communications unit to pass to slave computer, and is led to by optical fiber
News unit shows use with the form of image or numerical value after transmitting the parameter information process that the slave computer come is collected
Family.
The monitoring system of wind-force generating converter the most according to claim 1, it is characterised in that described
Host computer includes parameter information interface, oscilloscope display interface, data logger interface, wherein:
Parameter information interface, parameter information interface for users selects to show in oscillograph or data logger
Parameter, parameter information interface also shows the slow parameter value of corresponding parameter simultaneously, and parameter describes and parameter ID；
Oscilloscope display interface, parameter real-time of oscilloscope display interface display selection oscillograph viewing
Shape information, simultaneously oscilloscope display interface can according to user need regulate its display parameters；
Data logger interface, shows the parameter that data logger interface display selection data logger is watched
Fine shape information, simultaneously data logger interface can according to user need regulate its display parameters.
The monitoring system of wind-force generating converter the most according to claim 2, it is characterised in that described
The display parameters of oscilloscope display interface and data logger display interface include the transverse axis time, longitudinal axis numerical value,
The numerical values recited of current number, coordinate, the color of curve, the amplification of numerical value.
The monitoring system of wind-force generating converter the most according to claim 1, it is characterised in that described
Slave computer mainly includes systematic parameter collection part, parameter storage part, parameter scheduling portion, wherein:
Systematic parameter collects part, collects the real-time parameter of various system；
Supplemental characteristic storage part, the systematic parameter that store collected arrives；
Supplemental characteristic scheduling portion, sends into supplemental characteristic storage section store and by upper by the parameter collected
Parameter needed for machine is taken out from supplemental characteristic storage part and is given optical-fibre communications unit, and by optical-fibre communications list
Unit is sent to host computer.
The monitoring system of wind-force generating converter the most according to claim 1, it is characterised in that described
User's request information includes the display mode of required parameter ID and this parameter.
The monitoring system of wind-force generating converter the most according to claim 5, it is characterised in that described
The display mode of parameter includes that slow parameter shows, oscilloscope display, data logger show, wherein:
Slow parameter shows, in sending function, directly the number that appropriate address points to is assigned to different centres
Variable, then according to protocol packing becomes set form to transmit toward host computer with different transmission frequencies；
Oscilloscope display, in sending function, is directly assigned to different centres by the number that appropriate address points to
Variable, then according to protocol packing becomes set form to transmit toward host computer with different transmission frequencies；
Data logger shows, gathers and wants the information of transmission variables to store in array, after completing to gather, then
Host computer is passed to corresponding transmission frequency.
7. the monitoring method of a wind-force generating converter, it is characterised in that comprise the following steps:
Step one: added to by the variable in parameter list in oscillograph interface or data logger interface, receives
Collecting the ID of added variable, then getting parms the relevant information in list if issuing slow parameter information, then
It is packaged into the set form that host-host protocol specifies, sends toward slave computer；
Step 2: after slave computer receives data command, is decoded and distinguishes parameter type, having gathered
Cheng Hou, passes to host computer with corresponding transmission frequency；
Step 3: after host computer receives data command, distinguishes data type, is respectively displayed on slow parameter row
In table, oscillograph frame and data logger frame, by the parameter in oscillograph and data logger with the shape of curve
Formula shows and real-time storage.
The monitoring method of wind-force generating converter the most according to claim 7, it is characterised in that step
Parameter type described in two includes oscillograph parameter and data logger parameter.
9. according to the monitoring method of the wind-force generating converter described in claim 7 or 8, it is characterised in that
When parameter type described in step 2 is oscillograph parameter, in sending function, directly appropriate address is pointed to
Number be assigned to different intermediate variables, then by the requirement of communication protocol used be packaged into set form with
Different transmission frequencies are transmitted toward host computer.
10. according to the monitoring method of the wind-force generating converter described in claim 7 or 8, it is characterised in that
When parameter type described in step 2 is data logger parameter, becomes number according to transmission and required to open up one piece
Internal memory, then the function called with sample frequency gives this block internal memory assignment, then wanting by communication protocol used
Ask and be packaged into set form with different transmission frequencies toward host computer transmission.
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| CN201510387004.4A CN106329718B (en) | 2015-06-30 | 2015-06-30 | A kind of monitoring system and method for wind-force generating converter |
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| CN201510387004.4A CN106329718B (en) | 2015-06-30 | 2015-06-30 | A kind of monitoring system and method for wind-force generating converter |
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| CN106329718B CN106329718B (en) | 2019-04-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110417240A (en) * | 2019-08-15 | 2019-11-05 | 上海电气集团股份有限公司 | A kind of communication sampling control mechanism of high-power wind power generation current transformer |
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| JP2002345175A (en) * | 2001-05-14 | 2002-11-29 | Toko Seiki Co Ltd | Monitor and control method and system for power transmission line |
| CN2747630Y (en) * | 2003-11-28 | 2005-12-21 | 邱祯祥 | IEEE 1394/USB high speed virtual instrument |
| CN102222981A (en) * | 2011-06-17 | 2011-10-19 | 大连尚能科技发展有限公司 | Wind power converter monitoring system and wind power generation system |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2002345175A (en) * | 2001-05-14 | 2002-11-29 | Toko Seiki Co Ltd | Monitor and control method and system for power transmission line |
| CN2747630Y (en) * | 2003-11-28 | 2005-12-21 | 邱祯祥 | IEEE 1394/USB high speed virtual instrument |
| CN102222981A (en) * | 2011-06-17 | 2011-10-19 | 大连尚能科技发展有限公司 | Wind power converter monitoring system and wind power generation system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110417240A (en) * | 2019-08-15 | 2019-11-05 | 上海电气集团股份有限公司 | A kind of communication sampling control mechanism of high-power wind power generation current transformer |
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