CN103076539A - Embedded power failure wave recording analysis device - Google Patents
Embedded power failure wave recording analysis device Download PDFInfo
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- CN103076539A CN103076539A CN2012105808684A CN201210580868A CN103076539A CN 103076539 A CN103076539 A CN 103076539A CN 2012105808684 A CN2012105808684 A CN 2012105808684A CN 201210580868 A CN201210580868 A CN 201210580868A CN 103076539 A CN103076539 A CN 103076539A
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Abstract
The invention discloses an embedded power failure wave recording analysis device, which comprises an acquisition module, a synchronization module, a CPU (Central Processing Unit) module, a connection module and a transmission module, wherein the acquisition module is used for receiving a power grid signal emitted by a mutual inductor; the synchronization module is used for synchronizing time between working stations of a power grid; the CPU module is used for analyzing and recording a power grid signal; the transmission module is used for transmission; the acquisition module comprises a plurality of analog quantity boards, a plurality of switch quantity boards and a high-frequency acquisition board; the CPU module comprises a main core module and a digital core module; the main core module is connected with the digital core module through a bus; and the connection module comprises an interface module and an input and output module. According to the device, the conventional analog signal processing and the latest digital signal processing can be simultaneously supported. Meanwhile, a steady state data processing function is provided by the CPU module, and simultaneous processing of steady state data and transient state data is realized without increasing extra inserts or modules.
Description
Technical field
The present invention relates to a kind of power failure and detect the analysis device, especially a kind of high-performance embedded power failure analysis device based on the DSP+ARM framework belongs to the secondary power apparatus field of electric relay protection.
Background technology
Power failure analysis device is a kind of secondary device of electric system; belong to the relay protection field; all kinds of parameters when its major function is record and analysis operation of power networks; in time judge the various improper event (fault) that occurs; provide all kinds of common operation of power networks faults qualitative, quantitative, process power grid accident, minimizing and all kinds of faults of prevention and accident for express-analysis and facilitate and help.
The existing history for many years of at present domestic research and development to power failure analysis device, but mostly still adopt the pattern of traditional industrial computer+analog input card, but industrial computer is a kind of product according to the design of universal industrial common requirements after all, can satisfy primary demand although be used for power failure analysis device, but in performance, stability, extendability etc. aspect is difficult to satisfy the demand of various reality, there are gradually in recent years many producers to begin to adopt embedded technology development of new power failure analysis device, but its structure, function and performance, sampling rate and stability, all also there are various problems in the aspects such as ease for use.
In recent years, along with popularizing gradually of digitizing station, although traditional analog formula power failure analysis device or the mainstream demand in market, but the demand of digitalized fault wave recording analytical equipment is more and more, this is the trend that can not change, and the traditional analog and textural difference digital power unit faults recorder analysis device is larger, substantially all is that two cover groups research and develop, what finally realize also is two kinds of diverse products, has greatly wasted human and material resources and financial resources.
Because standard, early stage power failure analysis device substantially do not provide steady state data to process.Along with the development of electric system, more and more obvious to the demand in the steady state data outside the Temporal Data.Most power failure analysis devices can provide steady state data to process in the market, but all need extra modular device, and this tupe generally has larger impact to the Temporal Data processing power of device, also increased certain cost, the settling mode of a kind of high-performance and high performance-price ratio just becomes present requirements
Summary of the invention
The present invention has designed and developed a kind of embedded electric power unit faults recorder analysis device.The present invention is directed to present technical development and demand, the CPU module adopts DSP+ARM, the energy simulated signal of compatible processing and digitized signal, and under the prerequisite of the plug-in unit that does not add extra steady state data record or module, can realize record and processing to Temporal Data and steady state data.
Technical scheme provided by the invention is:
A kind of embedded electric power unit faults recorder analysis device, it is characterized in that, comprising: the signal acquisition module of the power network signal that the reception mutual inductor sends, the synchronization module that makes time synchronized between the workstation that forms electrical network, CPU module and the transport module that is connected and transmits of the described power network signal of analytic record;
Described signal acquisition module comprises a plurality of simulation templates, a plurality of switch templates that gather the switching value signal that gather simulated signal and the high frequency collection plate that gathers high frequency content or unknown frequency signal;
Described CPU module comprises main nucleus module and digitizing nucleus module, described main nucleus module be connected the digitizing nucleus module and connect by bus;
Described main nucleus module and described digitizing nucleus module form by ARM and DSP;
Described synchronization module be connected signal acquisition module and be connected and data transmission with described CPU module by described link block.
Preferably, described synchronization module is gps signal IO plate.
Preferably, on the main nucleus module definite value setting is arranged.
Preferably, if what described signal acquisition module received is simulated signal, described main nucleus module arranges according to described definite value described simulated signal is calculated and analyzes, thereby judges whether electrical network exists unusually, and records this signal and judged result;
If what described signal acquisition module received is digitized signal, described digitizing nucleus module is packaged into described digitized signal the data layout of simulated signal, then arrive described main nucleus module by described bus transfer, described main nucleus module arranges according to described definite value the digital signal of the data layout that is packaged into simulated signal is calculated and analyzed, thereby judge whether electrical network exists unusually, and record this signal and judged result.
Preferably, also be provided with the stability recording parameter on the described main nucleus module, the steady state data of energy real time record electrical network, and roll and preserve.
Preferably, also comprise: show, dispatch, manage and store the background computer plate of described power network signal and judged result, it receives described power network signal and the judged result that described CPU module sends by Ethernet.
Beneficial effect of the present invention is: the present invention is directed to present technical development and demand, adopt the DSP+ARM dual-core architecture, can support simultaneously the processing of traditional simulated signal and the processing of up-to-date digitized signal.And the requirement of following the DL/T553-94 standard is processed simulated data, and follows IEC61850 standard logarithmic word signal and process.The present invention connects and the communication of background computer plate by Ethernet in the CPU module, isolated and divided the work different system's ingredients, avoid fault stack and the problem difficult in maintenance, the aspect such as extendability is poor of traditional bus communication mode, more be conducive to present distributed networking demand.CPU module of the present invention provides the steady state data processing capacity, has realized processing in the Steady state and transient state data in the situation that does not increase additional insert or module.
Description of drawings
Fig. 1 is the process flow diagram of a kind of embedded electric power unit faults recorder analysis device of the present invention.
Fig. 2 is the theory of constitution block diagram of CPU module of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing, can implement according to this with reference to the instructions literal to make those skilled in the art.
Embodiment 1: at a kind of embedded electric power unit faults recorder analysis device
Below be the application of the present invention in traditional transformer station.
Shown in Fig. 1～2, a kind of embedded electric power unit faults recorder analysis device, it is characterized in that, comprising: the signal acquisition module of the power network signal that the reception mutual inductor sends, the synchronization module that makes time synchronized between the workstation that forms electrical network, CPU module and the transport module that is connected and transmits of the described power network signal of analytic record.
Signal acquisition module comprises: gather three simulation templates of simulated signal, each switch template gathers 32 road signals; Gather three switch templates of switching value signal, each switch template gathers 64 road signals; With the high frequency collection plate that gathers high frequency content or unknown frequency signal, the high frequency collection plate gathers 8 road signals; The CPU module comprises main nucleus module and digitizing nucleus module, and main nucleus module is connected bus with the digitizing nucleus module and connects; Main nucleus module and digitizing nucleus module form by ARM and DSP structure; Synchronization module is gps signal IO plate, and its time synchronization accuracy ranges up to the ns level; Synchronization module is connected link block and is connected and data transmission with the CPU module with signal acquisition module; Definite value setting and stability recording parameter are arranged on the main nucleus module, the steady state data of energy real time record electrical network, and roll and preserve.
The simulation template collects the simulated signal that analog mutual inductor sends, the simulated signal that the simulation template will receive is transferred to main nucleus module synchronously, main nucleus module arranges according to definite value simulated signal is calculated and analyzes, thereby judge whether electrical network exists unusually, and recording this signal and judged result, digitizing this moment nucleus module is not worked.
If background computer plate unlatching work is then by data and the judged result of Ethernet with the electrical network that receives the transmission of CPU module.
The present invention has realized the effect that digitized signal and simulated signal are processed with machine, has realized record in the Steady state and transient state data simultaneously in the situation that does not increase additional insert or module.
Embodiment 2: at a kind of embedded electric power unit faults recorder analysis device
Below be the application of the present invention in digital transformer substation.
Shown in Fig. 1～2, a kind of embedded electric power unit faults recorder analysis device, it is characterized in that, comprising: the signal acquisition module of the power network signal that the reception mutual inductor sends, the synchronization module that makes time synchronized between the workstation that forms electrical network, CPU module and the transport module that is connected and transmits of the described power network signal of analytic record.
Signal acquisition module comprises: gather three simulation templates of simulated signal, each switch template gathers 32 road signals; Gather three switch templates of switching value signal, each switch template gathers 64 road signals; With the high frequency collection plate that gathers high frequency content or unknown frequency signal, the high frequency collection plate gathers 8 road signals; The CPU module comprises main nucleus module and digitizing nucleus module, and main nucleus module is connected bus with the digitizing nucleus module and connects; Main nucleus module and digitizing nucleus module form by ARM and DSP; Synchronization module is gps signal IO plate, and its time synchronization accuracy can reach the ns level; Synchronization module is connected link block and is connected and data transmission with the CPU module with signal acquisition module; Definite value setting and stability recording parameter are arranged on the main nucleus module, the steady state data of energy real time record electrical network, and roll and preserve.
The CPU module receives the digitized signal of digital mutual inductor transmission by light mouth or network interface, the digitizing nucleus module is packaged into described digitized signal the data layout of simulated signal, then arrive main nucleus module by bus transfer, main nucleus module arranges according to definite value the digital signal of the data layout that is packaged into simulated signal is calculated and analyzed, thereby judge whether electrical network exists unusually, and record this signal and judged result.
If background computer plate unlatching work is then by data and the judged result of Ethernet with the electrical network that receives the transmission of CPU module.
CPU module of the present invention is the DSP+ARM dual-core architecture, supports simultaneously the processing of traditional simulated signal and the processing of up-to-date digitized signal, has realized record in the Steady state and transient state data simultaneously in the situation that does not increase additional insert or module.
Although embodiment of the present invention are open as above, but it is not restricted to listed utilization in instructions and the embodiment, it can be applied to various suitable the field of the invention fully, for those skilled in the art, can easily realize other modification, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend of describing.
Claims (6)
1. embedded electric power unit faults recorder analysis device, it is characterized in that, comprising: the signal acquisition module of the power network signal that the reception mutual inductor sends, the synchronization module that makes time synchronized between the workstation that forms electrical network, CPU module and the transport module that is connected and transmits of the described power network signal of analytic record;
Described signal acquisition module comprises a plurality of simulation templates, a plurality of switch templates that gather the switching value signal that gather simulated signal and the high frequency collection plate that gathers high frequency content or unknown frequency signal;
Described CPU module comprises main nucleus module and digitizing nucleus module, described main nucleus module be connected the digitizing nucleus module and connect by bus;
Described main nucleus module and described digitizing nucleus module form by ARM and DSP;
Described synchronization module be connected signal acquisition module and be connected and data transmission with described CPU module by described link block.
2. embedded electric power unit faults recorder analysis device as claimed in claim 1 is characterized in that, described synchronization module is gps signal IO plate.
3. embedded electric power unit faults recorder analysis device as claimed in claim 1 is characterized in that the definite value setting is arranged on the main nucleus module.
4. embedded electric power unit faults recorder analysis device as claimed in claim 3 is characterized in that,
If what described signal acquisition module received is simulated signal, described main nucleus module arranges according to described definite value described simulated signal is calculated and analyzes, thereby judges whether electrical network exists unusually, and records this signal and judged result;
If what described signal acquisition module received is digitized signal, described digitizing nucleus module is packaged into described digitized signal the data layout of simulated signal, then arrive described main nucleus module by described bus transfer, described main nucleus module arranges according to described definite value the digital signal of the data layout that is packaged into simulated signal is calculated and analyzed, thereby judge whether electrical network exists unusually, and record this signal and judged result.
5. embedded electric power unit faults recorder analysis device as claimed in claim 4 is characterized in that, also is provided with the stability recording parameter on the described main nucleus module, the steady state data of energy real time record electrical network, and roll and preserve.
6. embedded electric power unit faults recorder analysis device as claimed in claim 1, it is characterized in that, also comprise: show, dispatch, manage and store the background computer plate of described power network signal and judged result, it receives described power network signal and the judged result that described CPU module sends by Ethernet.
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| CN2012105808684A CN103076539A (en) | 2012-12-27 | 2012-12-27 | Embedded power failure wave recording analysis device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106093646A (en) * | 2016-06-27 | 2016-11-09 | 柳州电器科学研究所有限公司 | Fault wave recording device |
| CN108957231A (en) * | 2018-07-17 | 2018-12-07 | 国网辽宁省电力有限公司电力科学研究院 | A kind of method of distributed system and its host and handset data interaction |
| CN109490657A (en) * | 2018-09-25 | 2019-03-19 | 许继集团有限公司 | A kind of intelligence wave recording device and its data processing method |
| US11644974B2 (en) | 2018-11-01 | 2023-05-09 | Delta Electronics (Shanghai) Co., Ltd. | Time-sharing wave recording method |
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| CN101447698A (en) * | 2008-12-08 | 2009-06-03 | 中国电力科学研究院 | Centralized type wave recording system of digital transformer substation |
| CN201327515Y (en) * | 2008-12-18 | 2009-10-14 | 浙江工业大学 | Distributed electrical energy quality online monitoring instrument based on dual-CPU |
| CN101571563A (en) * | 2009-06-04 | 2009-11-04 | 东方博沃（北京）科技有限公司 | Integrative electric energy quality monitoring terminal |
| CN101813737A (en) * | 2010-03-18 | 2010-08-25 | 成都府河电力自动化成套设备有限责任公司 | Multifunctional power failure recorder |
| CN201993427U (en) * | 2011-03-17 | 2011-09-28 | 鞍钢集团矿业公司 | Data collection and analysis device for substation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101447698A (en) * | 2008-12-08 | 2009-06-03 | 中国电力科学研究院 | Centralized type wave recording system of digital transformer substation |
| CN201327515Y (en) * | 2008-12-18 | 2009-10-14 | 浙江工业大学 | Distributed electrical energy quality online monitoring instrument based on dual-CPU |
| CN101571563A (en) * | 2009-06-04 | 2009-11-04 | 东方博沃（北京）科技有限公司 | Integrative electric energy quality monitoring terminal |
| CN101813737A (en) * | 2010-03-18 | 2010-08-25 | 成都府河电力自动化成套设备有限责任公司 | Multifunctional power failure recorder |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106093646A (en) * | 2016-06-27 | 2016-11-09 | 柳州电器科学研究所有限公司 | Fault wave recording device |
| CN108957231A (en) * | 2018-07-17 | 2018-12-07 | 国网辽宁省电力有限公司电力科学研究院 | A kind of method of distributed system and its host and handset data interaction |
| CN109490657A (en) * | 2018-09-25 | 2019-03-19 | 许继集团有限公司 | A kind of intelligence wave recording device and its data processing method |
| US11644974B2 (en) | 2018-11-01 | 2023-05-09 | Delta Electronics (Shanghai) Co., Ltd. | Time-sharing wave recording method |
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Application publication date: 20130501 |