CN105403847A - Voltage monitoring system based on FPGA technology and verification method - Google Patents
Voltage monitoring system based on FPGA technology and verification method Download PDFInfo
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- CN105403847A CN105403847A CN201510500537.9A CN201510500537A CN105403847A CN 105403847 A CN105403847 A CN 105403847A CN 201510500537 A CN201510500537 A CN 201510500537A CN 105403847 A CN105403847 A CN 105403847A
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Abstract
The invention belongs to the technical field of electric power, especially relates to one of the power system control technologies, and specifically provides a voltage monitoring system based on FPGA technology and a verification method. The voltage monitoring system comprises a monitoring server, a PT conversion module, and a display, a voltage monitor and a standard device are connected with the monitoring server via GPRS network cables, a relay device is connected between the other terminals of the voltage monitor and the standard device, and the standard device is connected with the monitoring system display. The voltage monitoring system is a 0.05-grade multifunctional apparatus and instrument intelligent remote verification system based on the FPGA, the labor intensity of on-site operation personnel can be greatly reduced, the on-site operating environment is improved, the automatic control level of the detection of voltage monitoring equipment is improved, and the safety index of on-site operation is increased.
Description
Technical field
The invention belongs to technical field of electric power, particularly relate to the one of control technique in power system, is a kind of voltage monitoring systems based on FPGA technology and method of calibration specifically.
Background technology
FPGA, as a kind of semi-custom circuit in special IC field, had both solved the deficiency of custom circuit, can overcome again the shortcoming that original programming device gate circuit number is limited.Low for voltage monitoring device testing process automatization level, the present situation that labour cost is higher, have studied a kind of voltage monitoring systems based on FPGA technology and method of calibration, becomes the large problem that those skilled in the art continually develop.
Summary of the invention
For Shortcomings part in above-mentioned prior art, the invention provides a kind of voltage monitoring systems based on FPGA technology and method of calibration.Its object mainly develops a set of 0.05 grade of multi-functional instrument instruments and meters intelligent remote check system based on FPGA, with high precision AC-DC-AC current test power supply for core, design con-trol panel and control program, realize the automatic switching function of line voltage and standard source, development automatic feedback regulatory function, improve standard source output accuracy, feed back by reading standard source measured value, and carry out software linking with dynamic data base.
The present invention, in order to realize foregoing invention object, is achieved through the following technical solutions:
Based on a voltage monitoring systems for FPGA technology, comprise monitoring server, PT modular converter and display; Voltage monitoring instrument is connected with monitoring server respectively by GPRS network line with standard set-up, connects relay-set between voltage monitoring instrument and the other end of standard set-up; Standard set-up is connected with supervisory system display.
The method of calibration of described a kind of voltage monitoring systems based on FPGA technology is: the voltage monitoring instrument of supervisory system is connected with monitoring server respectively by GPRS network with standard set-up, judge whether to gather the magnitude of voltage in PT modular converter by data analysis, control data assay module carries out data calibrating, and data result is kept in data memory module, data message shows in real time in display interface.
Described standard set-up adopts based on FPGA and DDS binding pattern, is had complementary advantages by software and hardware; Described PT modular converter adopts voltage stabilizing export technique, and the magnitude of voltage exported after V/F changes is constant standard value;
Described monitoring server adopts electrical measurement parameter real effective integral algorithm to carry out data analysis.
Described standard set-up adopts the harmonic signal of FASTICA algorithm to sampling to carry out Blind Signal Separation, effectively can reduce each harmonic.
Described supervisory system before work by outside serial ports initialization, arrange Surveillance center for distinguish No. ID of each RTU, the transmission time interval of data, the IP address of Surveillance center and port numbers, cellphone subscriber phone number; Surveillance center after receiving the data, passes under carrying out order and control by GPRS network to long-range RTU; When each RTU connects GPRS network the dynamic IP addressing of distributing with initialized No. ID corresponding, for the RTU that district of Surveillance center is different;
Concrete operation step is:
The first step, selects to verify single voltage monitoring instrument or carry out multilist verifies simultaneously;
Second step, selects manually verification or automatic Verification;
3rd step, inquires about check results;
4th step, carries out record to there being problem voltage monitoring instrument;
Checking procedure is:
The first step: when selecting single table verification, No. ID of current checklist can be inputted in human-computer interaction interface, it is verified separately, when selecting multilist to verify simultaneously, the voltage monitoring instrument within the scope of certain ID can be selected to verify simultaneously;
Second step: can select when manually verifying manually to verify window, this needs manual input validation to be worth bound, when carrying out automatic Verification, these do not need manually input, and automatic checkout system can increase proof test value from small to large in an automated way;
3rd step: after verification terminates, can inquire about check results, and this calibration equipment has the calibration tails of recording recent checklist, can recall record and inquire about;
4th step: at the end of verification, problematic voltage monitoring instrument can be recorded in display window and can be printed by native system automatically, changes it in order to staff.
Advantage of the present invention and beneficial effect are:
The present invention is a set of 0.05 grade of multi-functional instrument instruments and meters intelligent remote check system based on FPGA, with high precision AC-DC-AC current test power supply for core, design con-trol panel and control program, realize the automatic switching function of line voltage and standard source, development automatic feedback regulatory function, improve standard source output accuracy, feed back by reading standard source measured value, and carry out software linking with dynamic data base.Greatly can alleviate the labour intensity of site operation personnel, improve execute-in-place environment, the automatic control level that booster tension watch-dog detects, improve the safety index of work on the spot.
Below in conjunction with the drawings and specific embodiments, further detailed description is done to the present invention.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention.
In figure: monitoring server 1, PT modular converter 2, voltage monitoring instrument 3, relay-set 4, standard set-up 5, display interface 6, data memory module 7 and data assay module 8.
Embodiment
The present invention is a kind of voltage monitoring systems based on FPGA technology and method of calibration.As shown in Figure 1, Fig. 1 is schematic diagram of the present invention.Supervisory system mainly comprises: monitoring server 1, PT modular converter 2, voltage monitoring instrument 3, relay-set 4, standard set-up 5, display interface 6, data memory module 7 and data assay module 8.To be voltage monitoring instrument 3 with standard set-up 5 to be connected with monitoring server 1 respectively by GPRS network line its hardware configuration that going forward side by side works interrogates, the action of real-time pilot relay device 4; Relay-set 4 is connected between the other end of voltage monitoring instrument 3 and standard set-up 5; Standard set-up 5 is connected with supervisory system display.Judge whether to gather the magnitude of voltage in PT modular converter 2 by data analysis, control data assay module 8 carries out data calibrating, and is kept at by data result in data memory module 7, and data message shows in real time in display interface 6.
Described standard set-up 5 adopts based on FPGA and DDS binding pattern, is had complementary advantages by software and hardware; Standard set-up 5 adopts the harmonic signal of FASTICA algorithm to sampling to carry out Blind Signal Separation, effectively can reduce each harmonic.
Described PT modular converter 2 adopts voltage stabilizing export technique, and the magnitude of voltage exported after V/F changes is constant standard value.
Supervisory system before work by outside serial ports initialization, arrange Surveillance center for distinguish No. ID of each RTU, the transmission time interval of data, the IP address of Surveillance center and port numbers, cellphone subscriber phone number; Surveillance center after receiving the data, passes under carrying out order and control by GPRS network to long-range RTU; When each RTU connects GPRS network the dynamic IP addressing of distributing with initialized No. ID corresponding, for the RTU that district of Surveillance center is different.
Described monitoring server 1 adopts electrical measurement parameter real effective integral algorithm to carry out data analysis;
In voltage monitoring instrument 3
rS232 interface , also can be infrared, we can be verified voltage monitoring instrument by infrared palm machine at the scene like this, this equipment is possessed long-range and local operator scheme.
Simultaneously, the present invention also can be sent to server receiving terminal respectively by GPRS/GSM, by server side to monitor software systems to voltage monitoring instrument returned data and a kind of voltage monitoring instrument long-distance intelligent calibration equipment returned data comparison based on GPRS/GSM network, the testing result of two groups of data can be checked more intuitively.If the error of two groups of data is in allowed band, account for voltage monitor detects normal.If the comparison result of voltage monitoring instrument return data and a kind of voltage monitoring instrument long-distance intelligent calibration equipment return data based on GPRS/GSM network of normal voltage is beyond error allowed band, then there is metrical error in voltage monitoring instrument, needs staff to calibrate it.
Present invention employs electrical measurement parameter real effective integral algorithm, synchronized sampling computing method is the measuring method occurred along with the development of computing machine.When the N that samples is enough large, adopts following average power algorithm, can degree of precision be obtained equally.
The present invention utilizes the harmonic signal of FASTICA algorithm to sampling to carry out Blind Signal Separation, and can carry out algorithm simulating, effectively can reduce each harmonic, improve the measuring accuracy of degree of distortion, simultaneously also for data acquisition equipment provides rational testing scheme.FASTICA algorithm is the one in Independent Component Analysis Algorithm, is prior art.
Based on a voltage monitoring systems method of calibration for FPGA technology, operation steps is:
The first step, selects to verify single voltage monitoring instrument or carry out multilist verifies simultaneously;
Second step, selects manually verification or automatic Verification;
3rd step, inquires about check results;
4th step, carries out record to there being problem voltage monitoring instrument;
Checking procedure is:
The first step: when selecting single table verification, No. ID of current checklist can be inputted in human-computer interaction interface, it is verified separately, when selecting multilist to verify simultaneously, the voltage monitoring instrument within the scope of certain ID can be selected to verify simultaneously;
Second step: can select when manually verifying manually to verify window, this needs manual input validation to be worth bound, when carrying out automatic Verification, these do not need manually input, and automatic checkout system can increase proof test value from small to large in an automated way;
3rd step: after verification terminates, can inquire about check results, and this calibration equipment has the calibration tails of recording recent checklist, can recall record and inquire about;
4th step: at the end of verification, problematic voltage monitoring instrument can be recorded in display window and can be printed by native system automatically, changes it in order to staff.
Claims (6)
1., based on a voltage monitoring systems for FPGA technology, comprise monitoring server (1), PT modular converter (2) and display; It is characterized in that: voltage monitoring instrument (3) is connected with monitoring server (1) respectively by GPRS network line with standard set-up (5), between the other end of voltage monitoring instrument (3) and standard set-up (5), connect relay-set (4); Standard set-up (5) is connected with supervisory system display.
2. the method for calibration of a kind of voltage monitoring systems based on FPGA technology according to claim 1, is characterized in that:
The voltage monitoring instrument (3) of supervisory system is connected with monitoring server (1) respectively by GPRS network with standard set-up (5), judge whether to gather the magnitude of voltage in PT modular converter (2) by data analysis, control data assay module (8) carries out data calibrating, and data result is kept in data memory module (7), data message display in display interface (6) in real time.
3. the method for calibration of a kind of voltage monitoring systems based on FPGA technology according to claim 2, is characterized in that:
Described standard set-up (5) adopts based on FPGA and DDS binding pattern, is had complementary advantages by software and hardware;
Described PT modular converter (2) adopts voltage stabilizing export technique, and the magnitude of voltage exported after V/F changes is constant standard value.
4. the method for calibration of a kind of voltage monitoring systems based on FPGA technology according to claim 2, is characterized in that: described monitoring server (1) adopts electrical measurement parameter real effective integral algorithm to carry out data analysis.
5. the method for calibration of a kind of voltage monitoring systems based on FPGA technology according to claim 2, is characterized in that: described standard set-up (5) adopts the harmonic signal of FASTICA algorithm to sampling to carry out Blind Signal Separation, effectively can reduce each harmonic.
6. the method for calibration of a kind of voltage monitoring systems based on FPGA technology according to claim 2, it is characterized in that: described supervisory system before work by outside serial ports initialization, arrange Surveillance center for distinguish No. ID of each RTU, the transmission time interval of data, the IP address of Surveillance center and port numbers, cellphone subscriber phone number;
Surveillance center after receiving the data, passes under carrying out order and control by GPRS network to long-range RTU; When each RTU connects GPRS network the dynamic IP addressing of distributing with initialized No. ID corresponding, for the RTU that district of Surveillance center is different;
Concrete operation step is:
The first step, selects to verify single voltage monitoring instrument or carry out multilist verifies simultaneously;
Second step, selects manually verification or automatic Verification;
3rd step, inquires about check results;
4th step, carries out record to there being problem voltage monitoring instrument;
Checking procedure is:
The first step: when selecting single table verification, No. ID of current checklist can be inputted in human-computer interaction interface, it is verified separately, when selecting multilist to verify simultaneously, the voltage monitoring instrument within the scope of certain ID can be selected to verify simultaneously;
Second step: can select when manually verifying manually to verify window, this needs manual input validation to be worth bound, when carrying out automatic Verification, these do not need manually input, and automatic checkout system can increase proof test value from small to large in an automated way;
3rd step: after verification terminates, can inquire about check results, and this calibration equipment has the calibration tails of recording recent checklist, can recall record and inquire about;
4th step: at the end of verification, problematic voltage monitoring instrument can be recorded in display window and can be printed by native system automatically, changes it in order to staff.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109792569A (en) * | 2016-09-29 | 2019-05-21 | 昕诺飞控股有限公司 | Voltage detecting system and method |
| CN111745652A (en) * | 2020-06-24 | 2020-10-09 | 杭州安森智能信息技术有限公司 | Robot intelligent task management method and system |
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| CN102981137A (en) * | 2012-11-27 | 2013-03-20 | 辽宁省电力有限公司电力科学研究院 | Remote intelligent verifying device and method of voltage monitor based on general packet radio service (GPRS)/global system for mobile communication (GSM) network |
| CN203101612U (en) * | 2012-11-29 | 2013-07-31 | 辽宁省电力有限公司电力科学研究院 | Automatic digital multimeter detecting system based on meter-source integration |
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2015
- 2015-08-15 CN CN201510500537.9A patent/CN105403847A/en active Pending
Patent Citations (3)
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| CN101718850A (en) * | 2009-12-10 | 2010-06-02 | 贵州电力试验研究院 | Automatic online detection device for RTU |
| CN102981137A (en) * | 2012-11-27 | 2013-03-20 | 辽宁省电力有限公司电力科学研究院 | Remote intelligent verifying device and method of voltage monitor based on general packet radio service (GPRS)/global system for mobile communication (GSM) network |
| CN203101612U (en) * | 2012-11-29 | 2013-07-31 | 辽宁省电力有限公司电力科学研究院 | Automatic digital multimeter detecting system based on meter-source integration |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109792569A (en) * | 2016-09-29 | 2019-05-21 | 昕诺飞控股有限公司 | Voltage detecting system and method |
| CN111745652A (en) * | 2020-06-24 | 2020-10-09 | 杭州安森智能信息技术有限公司 | Robot intelligent task management method and system |
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Application publication date: 20160316 |