CN101813753A - Electric quantity measuring and fault recording device for power generator - Google Patents
Electric quantity measuring and fault recording device for power generator Download PDFInfo
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- CN101813753A CN101813753A CN 201010179167 CN201010179167A CN101813753A CN 101813753 A CN101813753 A CN 101813753A CN 201010179167 CN201010179167 CN 201010179167 CN 201010179167 A CN201010179167 A CN 201010179167A CN 101813753 A CN101813753 A CN 101813753A
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Abstract
The invention relates to an electric quantity measuring and fault recording device for a power generator, which is provided with one or more front end signal modules, a high-speed data acquisition and fault analysis device, a 3M gate FPGA (Field Programmable Gate Array) module 9104, a real-time embedded controller 9102 and an industrial control computer storage and monitoring server. The front end signal module (s) is (are) used for receiving and processing power generation electric measurement signals acquired by a sensor; the high-speed data acquisition and fault analysis device corresponds to the front end signal module and is provided with a 16-bit 100K synchronous analog quantity acquisition module manufactured by an America NI company or a 9403 high-speed data acquisition card manufactured by the America NI company; the 3M gate FPGA module 9104 manufactured by the America NI company is used for controlling and processing the signals sent by the data acquisition card; the real-time embedded controller 9102 manufactured by the America NI company is used for controlling the corresponding FPGA module and processing the signals sent by the FPGA module in real time; and the industrial control computer storage and monitoring server is connected with each real-time processor. The device has the advantages of simple structure, high data acquisition rate, good real-time, reliable work and strong measurement function.
Description
Technical field
The invention belongs to technical field of generators, be specifically related to a kind of generator electrical quantities measurement and fault wave recording device.
Background technology
At present, the automaticity of domestic water power plant computer supervisory control system has reached higher level.Critical functions such as distant place control, flow process control, Automatic Generation Control (AGC), automatism voltage control (AVC), power network schedule automation have formed, but the major function of supervisory system also is based on and monitors control, can not satisfy requirement on the modern power systems safety and stability to be controlled to be main supervisory system, still need be further perfect aspect electrical measurement and non-electrical measurement data acquisition, such as: collection that the speed of data acquisition is not enough, real-time is lower, lack some significant datas and data recording function etc.Real time of data acquisition is very important index of modern automatic control system, it is very high that transient state process in electric system requires the real-time of data acquisition system (DAS), sampling rate is also very high, and requirement can be write down most of process of transient state process, only in this way could provide important evidence, for the problem that solves the electrical equipment existence provides means to the fault of equipment and the analysis of up-set condition.
Generator failure oscillograph at home is made up of single card microcomputer and independently developed software mostly, promptly can only realize failure wave-recording by the design specialized device, the problem that this class device exists is: hardware plug is many, the probability that breaks down is higher, and versatility, reliability and maintainability all do not have standardized automation controller able to programme good, but if adopt common automation controller able to programme, its speed all can not satisfy generator failure record ripple needs.
Summary of the invention
The technical problem to be solved in the present invention provide a kind of simple in structure, data acquisition rate is high, real-time good, reliable operation, generator electrical quantities measurement and fault wave recording device that measurement function is strong.
The technical scheme that addresses the above problem is that the present invention is provided with:
1, one or more front end signal modules are used to receive and handle the generator electrical quantities measurement signal that respective sensor is gathered, and deliver to corresponding high-speed data acquisition and fail analysis device, with the signal as follow-up storage and analysis;
2, high-speed data acquisition and the fail analysis device corresponding with each front end signal module, this device is provided with corresponding with the front end signal module
The analog data acquisition card is 16 100K synchronously simulating amount acquisition modules that America NI company makes, and is used to gather the simulating signal that the front end signal module is sent here;
Or the numerical data capture card, be 9403 the high-speed data acquisition card that America NI company makes, be used to gather the switching value digital signal that the front end signal module is sent here;
The FPGA module is the 3M door FPGA module 9104 that America NI company makes, and is used to control corresponding simulating data collecting card or numerical data capture card, and its signal of sending here is carried out computing;
Real-time processor is the real-time embedded controller 9102 of CompactRIO series that America NI company makes, and is used to utilize the corresponding FPGA module of VXWORKS operating system control, and the signal that it is sent here is handled in real time;
3, storage and monitoring server, it is industrial control computer, be connected with each real-time processor by Ethernet, be used to monitor, store the real-time electric parameters parameter signal of generator that each front end signal module is gathered, and storage and/or demonstration generator transient state and steady state data.
For improving the reliability and the measurement function of wave recording device, the present invention is that the Labview virtual instrument technique of selecting American National instrument (NI) company to release CompactRIO series automation controller able to programme (PAC) and American National instrument carries out development and design, native system can be connected with various software and hardwares, powerful data-handling capacity is provided, and analysis result is carried out effectively control in real time.Utilize virtual instrument technique, can use efficient and powerful software to come self-defined collection, analysis, storage, share and Presentation Function, also guaranteed the dirigibility of system simultaneously, thus the complete application scheme of can be on the control platform of a generator electrical quantities measurement and failure wave-recording seamlessly integrated cover.
This device has overcome and adopts other automation controller speed able to programme can not expire the problem of road generator failure wave-recording needs, have simple in structure, speed is fast, real-time is high, reliable operation, measurement function and data processing function is strong, standardization level is high, be easy to the various sensors of configuration pin to generator, advantage flexible and convenient to use.
Description of drawings
Fig. 1, embodiment of the invention structural representation
Embodiment
Referring to Fig. 1, at each electrical quantities measurement and the fault sensor that are provided with at generator system, native system all is provided with corresponding front end signal module and high-speed data acquisition and the fail analysis device of a cover, and each data acquisition and fail analysis device are connected to total Industry Control server by Ethernet again.
Native system comprise can be respectively at the front end signal module and the corresponding high-speed data acquisition and the fail analysis device of multiple electrical quantities measurement and fault sensor, for example:
Simulate amount sensor for measuring system voltage, native system is provided with 9215 the analog quantity front end signal module of NI, be used to receive and handle the analog signals of this sensor acquisition, and deliver to corresponding high-speed data acquisition and fail analysis device by pci bus, with signal as follow-up storage and analysis;
Boolean value output sensor for the measuring switch amount, native system is provided with 9403 the digital quantity front end signal module of NI, be used to receive and handle the switching value signal of this sensor acquisition, and deliver to corresponding high-speed data acquisition and fail analysis device, with signal as follow-up storage and analysis;
Be provided with high-speed data acquisition corresponding with each front end signal module and generator failure analytical equipment respectively, for analog quantity front end signal module, this device is provided with
The analog data acquisition card, adopt 16 100K synchronously simulating amount acquisition modules to realize analog quantity front end signal module is sent the collection of signal, the ripple sampled point can reach 2000 points weekly, and analog quantity front end signal module is by bnc connector and analog data acquisition card connection;
For digital quantity front end signal module, this device is provided with the 9403 high-speed digital data capture cards that America NI company makes, realization is to the collection of digital quantity front end signal module transmit button signal, be 80 delicate its actuation time, and digital quantity front end signal module is connected with this numerical data capture card by the DSub interface;
By 485 interfaces and corresponding FPGA module connection, FPGA adopts 3M door FPGA module 9104 to various high-speed data acquisition cards, realizes carrying out computing to the control of corresponding high-speed data acquisition card and to the signal of being gathered respectively;
Each FPGA module is respectively by pci bus and corresponding real-time processor connection, the real-time embedded controller 9102 of CompactRIO series that real-time processor adopts America NI company to make, the dominant frequency of this processor can reach 400MHZ, embedded VXWORKS operating system, be used to control corresponding FPGA module, and the signal that it is sent here is handled in real time;
The CompactRIO embedded system that real-time processor adopts has industrialized 400MHz pentium class processor, this processor can guarantee to carry out the LabVIEW real-time program under reliability and the deterministic prerequisite smoothly, by selecting thousands of kinds of built-in LabVIEW functions for use, the user can set up that the multithreading embedded system is controlled in real time, analysis, data recording with communicate by letter.Controller has the 10/100Mb/s Ethernet interface, can utilize the remote web server panel like this, automatically issues the graphic user interface of embedded program, thereby can make a plurality of users carry out remote monitoring and control.Real-time processor also comprises 11 to the input of 30VDC power supply, user's DIP switch, led state pilot lamp, real-time clock, WatchDog Timer, has the characteristic of high reliability.
The LabVIEW FPGA module that native system adopts need not to grasp earlier hardware design knowledge or VHDL, just can oneself customize I/O or control hardware circuit.Utilize the graphic programming mode of FPGA to customize the metering circuit that needs voluntarily, and the performance that these circuit had can reach the hardware performance by manufacturer's definition and optimization by the user
The modular I/O hardware that high-speed data acquisition card adopts America NI company to make, this generic module hardware can comprise from data acquisition and signal condition, modular instrument, machine vision, motion control, instrument control, distributed I/O to multiple industrial communication products such as CAN interfaces, these hardware products combinations are NI LabVIEW graphical programming software flexibly, can for the test and design effort create complete self-defining measuring system, satisfy the application demand of various flexible uniquenesses, satisfy the requirement of the omnibearing measurement Test Application of generator.
Store and monitoring server by the industrial computer that Ethernet is connected with each real-time processor, be used to monitor and store the real-time electric parameters parameter signal of generator that each front end signal module is gathered, and storage and/or demonstration generator transient state and steady state data, for example it is in the process of recording storage test figure, can directly the family curve that generates be presented on the screen in real time along with the variation of experimental data.
The technical foundation of native system is the Labview virtual instrument technique that adopts American National instrument (NI) company to release, wherein
Graphical programming software-LabVIEW software has the pattern development environment, and its built-in signal collection, Measurement and analysis and data presentation function have been abandoned the complicacy of traditional developing instrument, have also guaranteed system flexibility when providing power for the user.LabVIEW can concentrate on data acquisition widely, analysis and Presentation Function in the same environment, makes the complete application scheme of can be on the platform of oneself the seamlessly integrated cover of user;
Gathering LabVIEW software is an open development environment, the user can easily be connected it with any measurement hardware, the function that the interactive mode of LabVIEW is measured assistant (assistant), automatic code generation and can be connected with numerous device simples makes it can finish the collection of various data easily.
Analysis LabVIEW software contains and surpasses 450 built-in function, can be specifically designed to from the data that collect and excavate Useful Information, is used for analysis to measure data and processing signals.
Show that LabVIEW software can provide a series of instruments to be used for data presentation, user-interface design, the issue of Web information, report generation, data management and software and connect.
In a word, native system can use Labview virtual instrument meter technology, uses efficient and powerful software to come self-defined collection, analysis, storage, share and Presentation Function.
The above; it only is preferred embodiment of the present invention; be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs to the protection domain of technical solution of the present invention to any simple modification, equivalent variations and modification that above embodiment did.
Claims (5)
1. generator electrical quantities measurement and fault wave recording device is characterized in that, are provided with:
(1), one or more front end signal module, be used to receive and handle the generator electrical quantities measurement signal that respective sensor is gathered, and deliver to corresponding high-speed data acquisition and fail analysis device, with signal as follow-up storage and analysis;
(2), high-speed data acquisition and the fail analysis device corresponding with each front end signal module, this device is provided with corresponding with the front end signal module
The analog data acquisition card is 16 100K synchronously simulating amount acquisition modules that America NI company makes, and is used to gather the simulating signal that the front end signal module is sent here;
Or the numerical data capture card, be 9403 the high-speed data acquisition card that America NI company makes, be used to gather the switching value digital signal that the front end signal module is sent here;
The FPGA module is the 3M door FPGA module 9104 that America NI company makes, and is used to control corresponding simulating data collecting card or numerical data capture card, and its signal of sending here is carried out computing;
Real-time processor is the real-time embedded controller 9102 of CompactRIO series that America NI company makes, and is used to utilize the corresponding FPGA module of VXWORKS operating system control, and the signal that it is sent here is handled in real time;
(3), storage and monitoring server, it is industrial control computer, be connected with each real-time processor by Ethernet, be used to monitor, store the real-time electric parameters parameter signal of generator that each front end signal module is gathered, and storage and/or demonstration generator transient state and steady state data.
2. generator electrical quantities measurement according to claim 1 and fault wave recording device, it is characterized in that, described front end signal module comprises the 9215 analog quantity front end signal modules of NI, be used to receive the analog signals of gathering with the treatment of simulated quantity sensor, analog quantity front end signal module is by bnc connector and analog data acquisition card connection.
3. generator electrical quantities measurement according to claim 1 and fault wave recording device, it is characterized in that, described front end signal module comprises the 9403 digital quantity front end signal modules of NI, be used to receive and handle the switching value signal that Boolean value output sensor is gathered, digital quantity front end signal module is connected with the numerical data capture card by the DSub interface.
4. generator electrical quantities measurement according to claim 1 and fault wave recording device is characterized in that, various data collecting cards are respectively by 485 interfaces and corresponding FPGA module connection.
5. generator electrical quantities measurement according to claim 1 and fault wave recording device is characterized in that, each FPGA module is respectively by pci bus and corresponding real-time processor connection.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010179167 CN101813753A (en) | 2010-05-19 | 2010-05-19 | Electric quantity measuring and fault recording device for power generator |
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| CN 201010179167 CN101813753A (en) | 2010-05-19 | 2010-05-19 | Electric quantity measuring and fault recording device for power generator |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121967A (en) * | 2010-11-20 | 2011-07-13 | 太原理工大学 | Diagnostor for predicting operation state of three-phase rotating electromechanical equipment in time |
| WO2015027757A1 (en) * | 2013-08-28 | 2015-03-05 | Hao Yushan | Method and system for identifying full parameters of element by fault recorder, and fault locating method |
| CN105491104A (en) * | 2015-11-18 | 2016-04-13 | 中国船舶重工集团公司第七〇五研究所 | Remote measurement and control method based on Web Service |
| CN105548717A (en) * | 2015-12-11 | 2016-05-04 | 湖北三江航天万峰科技发展有限公司 | Electrical parameter testing device based on virtual instrument technology |
| CN113589064A (en) * | 2021-06-21 | 2021-11-02 | 华能西藏雅鲁藏布江水电开发投资有限公司 | Hydropower plant fault recording implementation method and system with chain starting function |
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| CN201035110Y (en) * | 2007-04-06 | 2008-03-12 | 哈尔滨国力电气有限公司 | Distributed generator rotor windings turn-to-turn short circuit functional failure on-line monitoring device |
| CN101551440A (en) * | 2009-05-15 | 2009-10-07 | 东北大学 | Generator transformer unit faults recorder analysis device |
| CN201698007U (en) * | 2010-05-19 | 2011-01-05 | 丰满发电厂 | Electrical quantity measuring and fault recording device of generator |
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2010
- 2010-05-19 CN CN 201010179167 patent/CN101813753A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201035110Y (en) * | 2007-04-06 | 2008-03-12 | 哈尔滨国力电气有限公司 | Distributed generator rotor windings turn-to-turn short circuit functional failure on-line monitoring device |
| CN101551440A (en) * | 2009-05-15 | 2009-10-07 | 东北大学 | Generator transformer unit faults recorder analysis device |
| CN201698007U (en) * | 2010-05-19 | 2011-01-05 | 丰满发电厂 | Electrical quantity measuring and fault recording device of generator |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121967A (en) * | 2010-11-20 | 2011-07-13 | 太原理工大学 | Diagnostor for predicting operation state of three-phase rotating electromechanical equipment in time |
| WO2015027757A1 (en) * | 2013-08-28 | 2015-03-05 | Hao Yushan | Method and system for identifying full parameters of element by fault recorder, and fault locating method |
| US10338127B2 (en) | 2013-08-28 | 2019-07-02 | Yushan Hao | Method and system for identifying full parameters of element by fault recording and fault locating method |
| CN105491104A (en) * | 2015-11-18 | 2016-04-13 | 中国船舶重工集团公司第七〇五研究所 | Remote measurement and control method based on Web Service |
| CN105548717A (en) * | 2015-12-11 | 2016-05-04 | 湖北三江航天万峰科技发展有限公司 | Electrical parameter testing device based on virtual instrument technology |
| CN113589064A (en) * | 2021-06-21 | 2021-11-02 | 华能西藏雅鲁藏布江水电开发投资有限公司 | Hydropower plant fault recording implementation method and system with chain starting function |
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Application publication date: 20100825 |