CN104535948A - Power quality online monitoring device batch calibration system and calibration method - Google Patents
Power quality online monitoring device batch calibration system and calibration method Download PDFInfo
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- CN104535948A CN104535948A CN201410703686.0A CN201410703686A CN104535948A CN 104535948 A CN104535948 A CN 104535948A CN 201410703686 A CN201410703686 A CN 201410703686A CN 104535948 A CN104535948 A CN 104535948A
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Abstract
The invention discloses a power quality online monitoring device batch calibration system. A detection bench is used for placing a plurality of calibrated analog power quality online monitoring devices or digital power quality online monitoring devices. A controller is connected with the calibrated digital power quality online monitoring devices through network cables. A power quality signal generator control module is connected with a power quality signal generator through a special connecting line. The power quality signal generator is connected with the calibrated analog power quality online monitoring devices. The detection signal output ends of the calibrated digital power quality online monitoring devices and the calibrated analog power quality online monitoring devices are connected with the signal input end of a data processing module through a communication module. The signal output end of the data processing module is connected with a display module. The power quality online monitoring device batch calibration system of the invention can support the analog and digital power quality monitoring devices simultaneously. For the support to the digital power quality monitoring devices, an application is adopted to send lossless digital signals in a standard IEC 61850-9-2 frame format, and the calibration problem of the digital power quality monitoring devices is solved with high quality.
Description
Technical field
The present invention relates to quality of power supply field, particularly relate to a kind of electric energy quality on-line monitoring device batch check system.
Background technology
At present, along with the application of electric energy quality on-line monitoring device is more and more extensive, detect electric energy quality on-line monitoring device and verify also more and more frequent, workload increases, and claims to new industrial research and new product development.
Over the past two years, some colleges and universities, producer progressively developed the equipment for monitoring power quality fully-automated synthesis platform supporting fully-automated synthesis, batch detection, greatly improved the efficiency of equipment for monitoring power quality verification.Equipment for monitoring power quality fully-automated synthesis platform in the market mainly adopts standard source method, produces checking signal by the power quality standard source of different types; Due to the source of the mainly analog output of the power quality standard source on market, also do not have standard, the digital electric power quality standard source of technology maturation can use, so detection platform mainly provides the support of the electric energy quality on-line monitoring device to analog pattern input, the support to digital electric energy quality on-line monitoring device cannot be provided.
Part detection platform by increasing analog/digital conversion device to realize the verification to digital equipment for monitoring power quality between the power quality standard source and digital electric power quality monitoring device of analog output, but analog/digital conversion device self can bring extra loss of significance.
Summary of the invention
The object of this invention is to provide a kind of electric energy quality on-line monitoring device batch check system, support the verification to the equipment for monitoring power quality of analog pattern input, also support the verification of the equipment for monitoring power quality to digital input, fully-automated synthesis, batch detection function are provided simultaneously.
The present invention adopts following technical proposals: a kind of electric energy quality on-line monitoring device batch check system, comprise controller, electric energy quality signal generator, monitor station, monitor station is used for placing multiple inspected analog electric energy quality on-line monitoring device or digital electric power quality on-line monitoring device, described controller includes electric energy quality signal generator control module, communication module, data processing module, display module, described electric energy quality signal generator control module is connected with by examining digital electric power quality on-line monitoring device by netting twine, described data processing module is connected with electric energy quality signal generator by Special-purpose connecting line, electric energy quality signal generator is connected with by examining analog electric energy quality on-line monitoring device, by inspection digital electric power quality on-line monitoring device and the signal input part passing through communication module connection data processing module by the detection signal output terminal of the analog electric energy quality on-line monitoring device of inspection, the signal output part of data processing module is connected with display module.
Described controller is connected with printing device.
The detection method utilizing electric energy quality on-line monitoring device batch inspection system to realize, comprises the following steps:
1, prepare before calibration
Verification personnel complete and work by the wiring of inspection the laying of equipment for monitoring power quality, each several part and wiring check, make check system possess condition of work;
2, select by inspection device type: if select to verify for digital electric power quality monitoring device, then enter step 31, if select to verify for analog equipment for monitoring power quality, then enter step 32; Once verification task can only for the equipment for monitoring power quality of a type;
31, controller output signal be the digital signal of IEC 61850-9-2 standard frame format to by inspection digital electric power quality monitoring device, enter step 4;
32, controller controls electric energy quality signal generator output voltage current analog signal to by the analog equipment for monitoring power quality of inspection, enters step 4;
4, measurement result is gathered from by inspection equipment: communicating with by examining equipment for monitoring power quality by inspection equipment for monitoring power quality communication module in controller, obtains quality of power supply measurement result, row cache of going forward side by side;
5, the error of calculation: the data processing module establishing criteria signal in controller and the measurement result collected, automatic computation and measurement error; And check results is shown on display module, for verification, personnel check;
6, printed report: the print module in controller controls the printing that printer carries out verifying report.
Compared with the prior art, beneficial effect is in the present invention:
1, the present invention supports two kinds of mode of operations, can realize support that is analog and digital electric power quality monitoring device simultaneously, and adopt application program to send standard IEC 61850-9-2 frame format, harmless digital signal, the high-quality check problem solving digital electric power quality monitoring device to the support of digital equipment for monitoring power quality;
2, be subject to tradition to examine compared with verification mode, equipment for monitoring power quality check system is by controller, electric energy quality signal generator, be combined by inspection equipment for monitoring power quality, groups of printers, form closed-loop control system, realize the fully-automated synthesis to equipment for monitoring power quality;
3, monitor station provides 20 epi-positions and preset wiring, realizes the batch detection to equipment for monitoring power quality; Simultaneously by controller realize to the automatic control of electric energy quality signal generator, to by the automatic data acquisition of inspection equipment for monitoring power quality, the automatically error of calculation, control printer automatic printing examining report, improve the work efficiency of equipment for monitoring power quality verification greatly.
Accompanying drawing explanation
Fig. 1 is this practical system architecture diagram of the present invention;
Shown in Fig. 2 is workflow diagram of the present invention.
Embodiment
The invention provides a kind of electric energy quality on-line monitoring device batch check system, as shown in Figure 1, comprise controller 1, electric energy quality signal generator 2, detect 4, monitor station be used for placing multiple inspected analog electric energy quality on-line monitoring device or digital electric power quality on-line monitoring device 301,302 ... 3020, described controller 1 is computing machine, include electric energy quality signal generator control module, communication module, data processing module, display module, described controller is connected with printing device 5.
Described can be analog equipment for monitoring power quality by inspection equipment for monitoring power quality, and also can be digital electric power quality monitoring device, can be single loop device, also can be multi-loop device; For analog equipment for monitoring power quality, the privately owned stipulations of standard traffic stipulations or producer such as Modbus, IEC 61850 can be adopted; For digital electric power quality monitoring device, IEC 61850 standard traffic stipulations must be adopted.
Electric energy quality signal generator control module produces various power quality standard signal for controlling electric energy quality signal generator.When check digit formula equipment for monitoring power quality, controller 1 is connected with by examining equipment for monitoring power quality 3 by netting twine, electric energy quality signal generator 2 operates on controller 1, it is a software module, it not a physical equipment, under the control of electric energy quality signal generator control module, produce the digital signal of IEC 61850-9-2 standard frame format, output to by inspection equipment for monitoring power quality.Controller is connected with printer 5 by printer Serial Port Line, and whole check system forms closed loop configuration.
When verification simulation formula equipment for monitoring power quality, electric energy quality signal generator 2 is connected with controller 1 by Special-purpose connecting line; Electric energy quality signal generator 2 is connected with by examining analog equipment for monitoring power quality 3 by netting twine, electric energy quality signal generator 2 is the power quality standard source of various model, comprise Fluke 6100A series standard source, Omicron series standard source etc., under the control of electric energy quality signal generator control module, produce electric energy quality signal, output to by the analog equipment for monitoring power quality of inspection.Controller 1 is connected with printer 5 by printer Serial Port Line, and whole check system forms closed loop configuration.
By inspection digital electric power quality on-line monitoring device and the signal input part passing through communication module connection data processing module by the detection signal output terminal of the analog electric energy quality on-line monitoring device of inspection, the signal output part of data processing module is connected with display module.
The detection method that electric energy quality on-line monitoring device batch inspection system described in utilization realizes, as shown in Figure 2, comprises the following steps:
1, prepare before calibration
Verification personnel complete and work by the wiring of inspection the laying of equipment for monitoring power quality, each several part and wiring check, make check system possess condition of work;
2, select by inspection device type: if select to verify for digital electric power quality monitoring device, then enter step 31, if select to verify for analog equipment for monitoring power quality, then enter step 32; Once verification task can only for the equipment for monitoring power quality of a type;
31, electric energy quality signal generator control module outputs signal as the digital signal of IEC 61850-9-2 standard frame format is to by inspection digital electric power quality monitoring device, enters step 4;
32, controller controls electric energy quality signal generator output voltage current analog signal to by the analog equipment for monitoring power quality of inspection, enters step 4;
4, measurement result is gathered from by inspection equipment: communicating with by examining equipment for monitoring power quality by inspection equipment for monitoring power quality communication module in controller, obtains quality of power supply measurement result, row cache of going forward side by side;
5, the error of calculation: the data processing module establishing criteria signal (standard signal refers to that user sets and the signal of control criterion source output) in controller and the measurement result collected, automatic computation and measurement error; And check results is shown on display module, for verification, personnel check, display module shows the information such as verification progress, checking procedure data, check results to verification personnel;
6, printed report: print module in controller controls the printing that printer carries out verifying report, can automatic printing, also can manual print.
Claims (3)
1. an electric energy quality on-line monitoring device batch check system, it is characterized in that: comprise controller, electric energy quality signal generator, monitor station, monitor station is used for placing multiple inspected analog electric energy quality on-line monitoring device or digital electric power quality on-line monitoring device, described controller includes electric energy quality signal generator control module, communication module, data processing module, display module, described controller is connected with by examining digital electric power quality on-line monitoring device by netting twine, described electric energy quality signal generator control module is connected with electric energy quality signal generator by Special-purpose connecting line, electric energy quality signal generator is connected with by examining analog electric energy quality on-line monitoring device, by inspection digital electric power quality on-line monitoring device and the signal input part passing through communication module connection data processing module by the detection signal output terminal of the analog electric energy quality on-line monitoring device of inspection, the signal output part of data processing module is connected with display module.
2. electric energy quality on-line monitoring device batch check system according to claim 1, is characterized in that: described controller is connected with printing device.
3. the detection method of electric energy quality on-line monitoring device batch inspection system realization according to claim 1, is characterized in that: comprise the following steps:
1, prepare before calibration
Verification personnel complete and work by the wiring of inspection the laying of equipment for monitoring power quality, each several part and wiring check, make check system possess condition of work;
2, select by inspection device type: if select to verify for digital electric power quality monitoring device, then enter step 31, if select to verify for analog equipment for monitoring power quality, then enter step 32; Once verification task can only for the equipment for monitoring power quality of a type;
31, controller output signal be the digital signal of IEC 61850-9-2 standard frame format to by inspection digital electric power quality monitoring device, enter step 4;
32, controller controls electric energy quality signal generator output voltage current analog signal to by the analog equipment for monitoring power quality of inspection, enters step 4;
4, measurement result is gathered from by inspection equipment: communicating with by examining equipment for monitoring power quality by inspection equipment for monitoring power quality communication module in controller, obtains quality of power supply measurement result, row cache of going forward side by side;
5, the error of calculation: the data processing module establishing criteria signal in controller and the measurement result collected, automatic computation and measurement error; And check results is shown on display module, for verification, personnel check;
6, printed report: the print module in controller controls the printing that printer carries out verifying report.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106019019A (en) * | 2016-06-27 | 2016-10-12 | 国网辽宁省电力有限公司电力科学研究院 | Automatic micro power grid electric energy quality online monitoring device check system based on GPIB |
| CN111239660A (en) * | 2019-09-17 | 2020-06-05 | 惠州化能汇通智能科技有限公司 | Novel full-automatic batch calibration device of distribution transformer intelligent monitoring terminal |
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| CN111239660A (en) * | 2019-09-17 | 2020-06-05 | 惠州化能汇通智能科技有限公司 | Novel full-automatic batch calibration device of distribution transformer intelligent monitoring terminal |
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Inventor after: Dai Shuangyin Inventor after: Li Qionglin Inventor after: Liu Shuming Inventor after: Zhang Bo Inventor after: Tang Yuzheng Inventor after: Zhu Mingli Inventor after: Liu Yajing Inventor before: Dai Shuangyin Inventor before: Li Qionglin Inventor before: Liu Shuming Inventor before: Zhang Bo Inventor before: Tang Yuzheng Inventor before: Zhu Mingli Inventor before: Wang Cuan |
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