CN104731931A - Monitoring device of wind-solar complementary converter - Google Patents
Monitoring device of wind-solar complementary converter Download PDFInfo
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- CN104731931A CN104731931A CN201510143150.2A CN201510143150A CN104731931A CN 104731931 A CN104731931 A CN 104731931A CN 201510143150 A CN201510143150 A CN 201510143150A CN 104731931 A CN104731931 A CN 104731931A
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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
- 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
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention relates to monitoring technique of a wind-solar complementary converter, and in particular relates to a monitoring device of the wind-solar complementary converter. The monitoring device of the wind-solar complementary converter solves the technical problems that storage capacity is small, searching is inconvenient, and a dynamic waveform display function is not possessed in an existing monitoring system of the wind-solar complementary converter. The monitoring device of the wind-solar complementary converter comprises a PC machine, and the PC machine is connected with a DSP control system which is connected with the wind-solar complementary converter; an SQL server database and a monitoring system are arranged in the PC machine; the monitoring system comprises four module that are a mode control module, a failure state module, a data report module, a real-time waveform module, a past-time waveform module and a variable management module. According to the innovation point of the monitoring device of the wind-solar complementary converter, based on the SQL server database technology, the storage function of the monitoring system of the wind-solar complementary converter is realized; consecutive storage of multi-screen data is realized, and the historical data are stored automatically; checking on the historical data is realized through the data report function; the function is played dynamically by the past-time waveform.
Description
Technical field
The present invention relates to honourable current transformer monitoring technique, be specially a kind of wind light mutual complementing current transformer supervising device.
Background technology
Wind energy is as a kind of regenerative resource, and reserves are huge and pollution-free, and along with blower fan pool-size constantly increases, cost of wind power generation reduces gradually, is the regenerative resource of most large-scale development prospect.Wind power frequency converter, as wind power equipment core part, progresses into domestic wind-power market.
Wind light mutual complementing current transformer utilizes the strong feature of wind energy in strong, evening at west area sunshine on daytime, in wind field height dead zone, wind power generating set is installed, photovoltaic battery panel is arranged in low dead zone large area, farthest utilize wind energy turbine set geographical space, play wind energy turbine set maximum economic benefit, wind light mutual complementing current transformer is the complementation combination based on wind energy and luminous energy, makes genset operationally can adopt a word used in person's names two kinds of new forms of energy simultaneously, possesses wind-power electricity generation, photovoltaic generation current transformer dual-use function completely.Simultaneously current transformer possess network communication, reliability service within the scope of wide electric moter voltage, low-voltage crossing when possessing electric network fault, adapt to the functions such as low temperature environment job requirement.
In actual applications, realize control to wind light mutual complementing current transformer and fault detect by the Monitor Computer Control System of man-machine interface close friend, convenient directly perceived.Supervisory system is made up of current transformer control module, multi-tiled display module, malfunction display module, variable storage module and back-end data administration module.Supervisory system can be monitored simultaneously and be recorded the real time data of many group passages, stores data volume large, needs powerful database technology to support, effective operation of guarantee supervisory system.
Existing wind light mutual complementing current transformer supervisory system adopts and stores data in the mode of txt text.Which memory capacity is little; Be not easy to retrieval; Note abnormalities after waveform, failure message can not be preserved in time; Data sheet cannot be generated; Without dynamic waveform Presentation Function.For the problems referred to above, need that a kind of memory capacity is large, retrieval is convenient and the supervising device of dynamic waveform can be shown.
Summary of the invention
The present invention be solve current wind light mutual complementing current transformer supervisory system exist memory capacity little, be not easy to retrieve and without the technical matters of dynamic waveform Presentation Function, provide a kind of wind light mutual complementing current transformer supervising device.
The present invention realizes by the following technical solutions: a kind of wind light mutual complementing current transformer supervising device, comprises a PC, and PC is connected with the DSP control system be connected with wind light mutual complementing current transformer; SQL server database and supervisory system is provided with in described PC;
Described supervisory system comprises current transformer status control module, malfunction module, data sheet module, real-time waveform module, history waveform module and variable administration module six modules;
Supervisory system, based on the database access function of C++ Builder5.0, is used ADO, DataSource, Table control to complete and is configured with the connection of SQL server database and server;
(1) database purchase function
Based on the database access function of C++ Builder5.0, use ADO, DataSource, Table control to complete and configure with the connection of SQL server database and server; Read data by programming realization from known array again, after logical calculated, successively insert in the tables of data established in advance, every bar records time-tagging, convenient search, and database storage capacity is large, can Coutinuous store multi-group data;
(2) data sheet function
By BCB5.0 report generation control (Fastreport), realize the function of browse to historical data, as waveform notes abnormalities, contrast historical data, failure judgement reason;
(3) regular automatic updating data function
In actual monitoring process, adopt SQL server automatic management functional realiey, by newly-built operation, and time and the frequency of removing are set, the automatic renewal of data can be completed;
(4) history waveform Presentation Function
Dynamic waveform is drawn by calling drawwave () function, the ultimate principle of drawwave () function arranges drawing starting point, drawing terminal and datum number storage group, realize initializing variable in file again, obtain X, Y-coordinate, and show.
Those skilled in the art's method of work disclosed according to the present invention, the course of work just can write out corresponding application software on the basis of existing software platform.
For the defect of existing wind light mutual complementing current transformer supervisory system, the invention discloses a kind of take data base management system (DBMS) as the supervisory system supported.This novel wind-solar complementary current transformer supervisory system memory capacity is large, can preserve the historical data in certain hour, realize the Coutinuous store of multi-group data, and show dynamic waveform, after monitoring out unusual waveforms, can historical data be reviewed, be conducive to technician and carry out fault analysis and judgement; Meanwhile, also there is the function regularly automatically removing historical data; On database technology basis, the data retrieval function of this supervisory system and more perfect to the operating function of data, uses simple sql statement can realize multiple retrieval mode.
Novel wind-solar complementary current transformer supervisory system is controlled by current transformer state, variable management, real-time waveform, malfunction, data sheet, the large module of history waveform six form.
The rectification of current transformer status control module major control current transformer, the startup of inversion and stopping, and grid-connected.
The extraction that variable administration module realizes variable parameter is called and amendment etc.
Real-time waveform module demonstrates the squiggle of variable parameter value intuitively, facilitates the analysis of running status, contrast.
Malfunction module mainly realizes fault cues effect, and comprise the faults such as overvoltage, overcurrent, electric current and voltage frequency amplitude, when red represents fault, and green light represents normal.
Data sheet module is on the basis of database, show the historical data of section effective time with the form of form, friendly man-machine interface is conducive to the situation of change of technician's observed data, grasps the running status of current transformer more accurately, judge abnormal, and there is printing function.
History waveform module can realize the dynamic play of the data variation curve in section effective time, the amplitude size of each parametric variable of the same time point of the more convenient observation of patterned display, and the change waveform that same parameters variable is As time goes on produced.
This current transformer supervisory system realizes under Borland company C++ Builder5.0 and Microsoft SQL server2008 platform, utilizes the serial ports thread class of BCB5.0 to complete data transmission, carry out function debugging in conjunction with LF2407A, VC33 hardware platform.
Should based on the current transformer supervisory system of SQL server database, on the basis of supervisory system before, supplement the perfect function of data management aspect, enhance the integrality of system, stability, practicality, and there is portability, and man machine operation interface is good, for monitoring and the debugging of current transformer running status provide good Visualization Platform, thus the normal operation of guarantee wind light mutual complementing current transformer, produce more economic benefit, reach the object in firm market.
Innovative point of the present invention:
(1) based on sql server database technology, the memory function of wind light mutual complementing current transformer supervisory system is realized;
(2) data storage capacity increases, and can store all data in set time section;
(3) realize the Coutinuous store of multi-screen data, and automatically save historical data;
(5) data sheet function can carry out checking of historical data;
(5) the regular automatically updating function of database background application data;
(6) history waveform dynamic play function.
Accompanying drawing explanation
Fig. 1 wind light mutual complementing current transformer supervising device structured flowchart.
Fig. 2 wind light mutual complementing current transformer supervising device subprogram process flow diagram.
Fig. 3 wind light mutual complementing current transformer supervising device operation interface.
The data of Fig. 4 database store.
Fig. 5 report generation.
Fig. 6 history rippled interface.
Embodiment
A kind of wind light mutual complementing current transformer supervising device, comprise a PC, PC is connected with the DSP control system (TMS320 LF2407A) be connected with wind light mutual complementing current transformer; SQL server database and supervisory system is provided with in described PC;
Described supervisory system comprises current transformer status control module, malfunction module, data sheet module, real-time waveform module, history waveform module and variable administration module six modules;
Supervisory system, based on the database access function of C++ Builder5.0, is used ADO, DataSource, Table control to complete and is configured with the connection of SQL server database and server;
(1) database purchase function
Based on the database access function of C++ Builder5.0, use ADO, DataSource, Table control to complete and configure with the connection of SQL server database and server; Read data by programming realization from known array again, after logical calculated, successively insert in the tables of data established in advance, every bar records time-tagging, convenient search, and database storage capacity is large, can Coutinuous store multi-group data;
(2) data sheet function
By BCB5.0 report generation control (Fastreport), realize the function of browse to historical data, as waveform notes abnormalities, contrast historical data, failure judgement reason;
(3) regular automatic updating data function
In actual monitoring process, the storage time of data is longer, more lose its reference value, so, need regularly to remove the data in database table and upgrade, this function adopts SQL server automatic management functional realiey, by newly-built operation, and time and the frequency of removing are set, the automatic renewal of data can be completed;
(4) history waveform Presentation Function
Technician is in debug process, clear coherent waveform display is very important to the analysis of each parameter, this storage mode draws dynamic waveform by calling drawwave () function, the ultimate principle of drawwave () function arranges drawing starting point, drawing terminal and datum number storage group, realizing initializing variable in file, obtain X, Y-coordinate, and show.
History waveform dynamic play by the following method step realizes: (1) starts; (2) variable parameter initialization; (3) address of variable is read: (4) DSP return address data, if very, then perform (5) step, if false, then throw exception perform step (9); (5) database purchase, (6) call function drawwave, if very, then performs (7) step, if vacation then throw exception perform step (9); (7) history waveform display; (8) generating report forms; (9) terminate (shown in Fig. 2).
Claims (2)
1. a wind light mutual complementing current transformer supervising device, is characterized in that, comprises a PC, and PC is connected with the DSP control system be connected with wind light mutual complementing current transformer; SQL server database and supervisory system is provided with in described PC;
Described supervisory system comprises current transformer status control module, malfunction module, data sheet module, real-time waveform module, history waveform module and variable administration module six modules;
Supervisory system, based on the database access function of C++ Builder5.0, is used ADO, DataSource, Table control to complete and is configured with the connection of SQL server database and server;
(1) database purchase function
Based on the database access function of C++ Builder5.0, use ADO, DataSource, Table control to complete and configure with the connection of SQL server database and server; Read data by programming realization from known array again, after logical calculated, successively insert in the tables of data established in advance, every bar records time-tagging, convenient search, and database storage capacity is large, can Coutinuous store multi-group data;
(2) data sheet function
By BCB5.0 report generation control (Fastreport), realize the function of browse to historical data, as waveform notes abnormalities, contrast historical data, failure judgement reason;
(3) regular automatic updating data function
In actual monitoring process, adopt SQL server automatic management functional realiey, by newly-built operation, and time and the frequency of removing are set, the automatic renewal of data can be completed;
(4) history waveform Presentation Function
This database purchase mode draws dynamic waveform by calling drawwave () function, the ultimate principle of drawwave () function arranges drawing starting point, drawing terminal and datum number storage group, realize initializing variable in file again, obtain X, Y-coordinate, and show.
2. wind light mutual complementing current transformer supervising device as claimed in claim 1, is characterized in that, history waveform dynamic play by the following method step realizes: (1) starts; (2) variable parameter initialization; (3) address of variable is read: (4) DSP return address data, if very, then perform (5) step, if false, then throw exception perform step (9); (5) database purchase, (6) call function drawwave, if very, then performs (7) step, if vacation then throw exception perform step (9); (7) history waveform display; (8) generating report forms; (9) terminate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510143150.2A CN104731931A (en) | 2015-03-30 | 2015-03-30 | Monitoring device of wind-solar complementary converter |
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| CN201510143150.2A CN104731931A (en) | 2015-03-30 | 2015-03-30 | Monitoring device of wind-solar complementary converter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN115657625A (en) * | 2022-10-27 | 2023-01-31 | 北京力控元通科技有限公司 | Monitoring method, program product, system, device and readable storage medium |
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| CN101246367A (en) * | 2008-03-25 | 2008-08-20 | 南京科远控制工程有限公司 | Wind power generation field monitoring system based on real-time data base |
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Cited By (3)
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| 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 |
| CN115657625A (en) * | 2022-10-27 | 2023-01-31 | 北京力控元通科技有限公司 | Monitoring method, program product, system, device and readable storage medium |
| CN115657625B (en) * | 2022-10-27 | 2023-12-05 | 北京力控元通科技有限公司 | Monitoring method, program product, system, device and readable storage medium |
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Address after: 044500 Yongji City, Shanxi Province, the city of motor street, No. 18, No. Applicant after: CRRC YONGJI ELECTRIC CO., LTD. Address before: 044500 Yongji City, Shanxi Province, the city of motor street, No. 18, No. Applicant before: Yongji Xinshisu Motor Electrical Appliance Co., Ltd. |
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Application publication date: 20150624 |
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