CN204188731U - A kind of electric network state monitoring device based on the Big Dipper - Google Patents

A kind of electric network state monitoring device based on the Big Dipper Download PDF

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Publication number
CN204188731U
CN204188731U CN201420717951.6U CN201420717951U CN204188731U CN 204188731 U CN204188731 U CN 204188731U CN 201420717951 U CN201420717951 U CN 201420717951U CN 204188731 U CN204188731 U CN 204188731U
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China
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frequency
data
time
collector
distribution amplifier
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CN201420717951.6U
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Chinese (zh)
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马秋平
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Shenzhen Anpu Wise Technology Co.,Ltd.
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马秋平
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Abstract

The utility model relates to electric network state monitoring technical field, be specifically related to a kind of electric network state monitoring device based on the Big Dipper, data collector output terminal is connected with DSP data processor input end, DSP data processor output terminal is connected with data storage device, Big Dipper time data collecting unit comprises big-dipper satellite bi-directional device, high accuracy atom frequency marker and frequency division clock, traced to the source by big-dipper satellite bi-directional device and high accuracy atom frequency marker, again time frequency signal is sent to frequency division clock, TIME-FREQUENCY ANALYSIS module comprises hyperchannel distribution amplifier second, multichannel frequency distribution amplifier and hyperchannel time-interval counter, hyperchannel distribution amplifier second is all connected with frequency division clock with multichannel frequency distribution amplifier, hyperchannel time-interval counter is all connected with hyperchannel distribution amplifier second and multichannel frequency distribution amplifier, TIME-FREQUENCY ANALYSIS module is connected with data acquisition unit.The utility model has the unified markers of the whole network and data layout.

Description

A kind of electric network state monitoring device based on the Big Dipper
Technical field
The utility model relates to electric network state monitoring technical field, is specifically related to a kind of electric network state monitoring device based on the Big Dipper.
Background technology
The basic assurance of national sustained economic development during the safe and stable operation of electric system.The change of power-angle stability in large-scale power system, voltage stability, frequency dynamic and stability thereof are not isolated phenomenons, but mutually bring out, the not ipsilateral of the unified physics phenomenon that is mutually related, association therebetween can receive again the impact of network structure and running status.By the impact (comprise disaster and human factor-as maloperation, sabotage) of electric system self reason and external disturbance, power grid accident happens occasionally, not only make the economic benefit of electric power enterprise receive loss, and serious impact is all caused on power consumer and entire society.Countries in the world all occurred because the stable operation of electric system goes to pot and caused the major accident of large-area power-cuts.Over nearly 20 years, also there are hundreds of massive blackout accidents in each bulk power grid of China, all causes the economic loss of more than huge social influence and several hundred million unit at every turn.
Therefore the main state variables for Operation of Electric Systems accurately detects, and is that can system the important leverage of stable operation.Because electric system region is wide, equipment is numerous, its variable design run is also very rapid, the running state information obtaining system core point must rely on unified, high-precision time reference, but the electric network state monitoring system of the prior art Monitoring Data mostly existed between different location lacks target problem when unifying accurately
Recorded data can only be that local is effective, is difficult to the accurate analysis for carrying out total system running status (comprising temporary, stable state).And develop the appearance of GPS (GPS) faster and developing rapidly of computer communication technology, for the Real-Time Monitoring realizing full electric network running status provides technical solution, but, still there is different automatically-monitored equipment or system data acquisition " is done things in his own way ", data layout disunity, be pooled to overlayer monitors center and carry out analyzing, need to carry out the problems such as a large amount of information integration work when applying.
And remain in larger development space in this field as the triones navigation system of the autonomous industry of China, triones navigation system be China realize on a large scale, the frequency measurement of multi-user's split-second precision, calibration, transmission technical way.Current triones navigation system is used widely in sea fishery, the anti-dangerous disaster relief, security stability maintenance, but in the Real-Time Monitoring field of full electric network running status, is faced with rare opportunity and stern challenge.
Utility model content
In order to solve the problems of the technologies described above, the utility model provide the operating index such as a kind of monitor set Operation of Electric Systems phasor and the quality of power supply, based on the integrated power system monitoring running state device of the Big Dipper, this device has the unified markers of the whole network and data layout, not only greatly can simplify installation, the debugging of electric system local monitoring device, and thoroughly can solve the information integration problem at overlayer monitors center, provide reliable data basis for realizing the safety of wide area complicated electric power system, stable operation and presence analysis, monitoring etc.
In order to achieve the above object, the technical scheme that the utility model adopts is, a kind of electric network state monitoring device based on the Big Dipper, comprise data collector, DSP data processor, data storage device, Big Dipper time data collecting unit and TIME-FREQUENCY ANALYSIS module, described data collector output terminal is connected with DSP data processor input end, DSP data processor output terminal is connected with data storage device, described Big Dipper time data collecting unit comprises big-dipper satellite bi-directional device, high accuracy atom frequency marker and frequency division clock, traced to the source by big-dipper satellite bi-directional device and high accuracy atom frequency marker, again time frequency signal is sent to frequency division clock, described TIME-FREQUENCY ANALYSIS module comprises hyperchannel distribution amplifier second, multichannel frequency distribution amplifier and hyperchannel time-interval counter, described hyperchannel distribution amplifier second is all connected with frequency division clock with multichannel frequency distribution amplifier, described hyperchannel time-interval counter is all connected with described hyperchannel distribution amplifier second and multichannel frequency distribution amplifier, described TIME-FREQUENCY ANALYSIS module is connected with data acquisition unit.
Further, described data collector comprises current collector, voltage collector, meritorious collector, idle collector, phase angle collector, harmonic wave collector, flickering collector, voltage effects collector.
Further, described data storage device communicates with electrical network Devices to test contact and central database server respectively by Ethernet, WLAN with 3G/2G network with DSP data processor.
Further, described data storage device comprises internal memory, CF card and hard disk.
Further, described dsp processor is connected by dual port RAM with data memory module.
The utility model is by adopting technique scheme, and compared with prior art, tool has the following advantages:
The utility model provides can unify markers to the whole network; and then carry out consolidation form data transmission; based on the integral electrical system running state monitoring device of the Big Dipper; for building, whole network data clock is unified, the Electrical Power System Dynamic safety monitoring system of format specification; and carry out electric system linear state estimation; steady stability monitors; the senior applied research of the aspects such as Transient Stability Prediction and control, fault analysis and self-adaptation loss of synchronism protection, is of great immediate significance and wide application prospect.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment of the present utility model.
Embodiment
Now with embodiment, the utility model is further illustrated by reference to the accompanying drawings.
As a specific embodiment, as shown in Figure 1, a kind of electric network state monitoring device based on the Big Dipper of the present utility model, comprise data collector, DSP data processor, data storage device, Big Dipper time data collecting unit and TIME-FREQUENCY ANALYSIS module, described data collector output terminal is connected with DSP data processor input end, DSP data processor output terminal is connected with data storage device, described Big Dipper time data collecting unit comprises big-dipper satellite bi-directional device, high accuracy atom frequency marker and frequency division clock, traced to the source by big-dipper satellite bi-directional device and high accuracy atom frequency marker, again time frequency signal is sent to frequency division clock, described TIME-FREQUENCY ANALYSIS module comprises hyperchannel distribution amplifier second, multichannel frequency distribution amplifier and hyperchannel time-interval counter, described hyperchannel distribution amplifier second is all connected with frequency division clock with multichannel frequency distribution amplifier, described hyperchannel time-interval counter is all connected with described hyperchannel distribution amplifier second and multichannel frequency distribution amplifier, described TIME-FREQUENCY ANALYSIS module is connected with data acquisition unit.
Described data storage device communicates with electrical network Devices to test contact and central database server respectively by Ethernet, WLAN with 3G/2G network with DSP data processor.
In the utility model, described data collector comprises described data collector and comprises current collector, voltage collector, meritorious collector, idle collector, phase angle collector, harmonic wave collector, flickering collector, voltage effects collector.
Described mark generation module is traced to the source by big-dipper satellite bi-directional device and high accuracy atom frequency marker, extract the concrete sampling instant that the sampling pulse that realizes strange land time synchronized in the sampling pulse sequence with sampled signal generation module is consistent, as the unified clock of system, be identified in result of calculation.
In the utility model, described DSP data processor comprises broadband filter, phase-locked loop module, sampled signal generation module and the mark generation module that a road connects successively, and low-pass filter, digital to analog converter, data sampling module and digital signal processing module that an other road connects successively, described mark generation module and digital signal processing module are all connected with local communication module and digital signal processor.Communication module is used for and data centralization module communication, comprises RS485 bus and dual port RAM two kinds of communication modes.
The unified XML format that adopts of the signal that above-mentioned data collector collects by described DPS processor carries out data encapsulation.The pulse per second (PPS) PPS that described sampled signal generation module exports according to big-dipper satellite bi-directional device, export time frequency signal, this time frequency signal comprises second signal and pulse per second (PPS) PPS and frequency signal, and this time frequency signal is sent to frequency division clock, frequency division clock and TIME-FREQUENCY ANALYSIS model calling, and by after this frequency division second signal and frequency signal send to TIME-FREQUENCY ANALYSIS module, through hyperchannel distribution amplifier second of this TIME-FREQUENCY ANALYSIS module, multichannel frequency distribution amplifier, synthesis produces the allopatric synchronous sampling pulse train not only having met time synchronized but also met frequency synchronization requirement, in order to start data acquisition module.Data acquisition module, by the triggering of allopatric synchronous sampling pulse train, starts A/D converter and completes D/A switch, and data are write buffer area.Data processing module, then after data acquisition completes, uses digital signal processing algorithm to process the data gathered, calculates the indexs such as current/voltage effective value, active power, reactive power, phase angle, each harmonic.Particularly, pulse per second (PPS) PPS is carried out 80 deciles by described frequency division clock, obtains 80HZ signal, and is carried out sharing process by its complementing part.Thus time synchronizing signal that is accurate and pulse per second (PPS) PPS high level of synchronization can be obtained, i.e. the square-wave signal of 80HZ.Frequency division clock 80HZ signal is divided into 80HZ second signal and frequency signal send to TIME-FREQUENCY ANALYSIS module, hyperchannel distribution amplifier second of described TIME-FREQUENCY ANALYSIS module, multichannel frequency distribution amplifier by 80HZ second signal and frequency signal change burst pulse signal second and frequency signal that pulsewidth is 1ms into, and provide the step-by-step counting between two pulse per second (PPS)s by hyperchannel time-interval counter, pulse per second (PPS) PPS changes the narrow pulse signal that pulsewidth is 1ms into the most at last, start A/D converter in order to trigger data acquisition module and complete D/A switch, and data are write buffer area.
In the utility model, described data storage device comprises internal memory, CF card and hard disk.
In the utility model, described dsp processor is connected by dual port RAM with data memory module.
Although specifically show in conjunction with preferred embodiment and describe the utility model; but those skilled in the art should be understood that; not departing from the spirit and scope of the present utility model that appended claims limits; can make a variety of changes the utility model in the form and details, be protection domain of the present utility model.

Claims (5)

1. the electric network state monitoring system based on the Big Dipper, it is characterized in that: comprise data collector, DSP data processor, data storage device, Big Dipper time data collecting unit and TIME-FREQUENCY ANALYSIS module, described data collector output terminal is connected with DSP data processor input end, DSP data processor output terminal is connected with data storage device, described Big Dipper time data collecting unit comprises big-dipper satellite bi-directional device, high accuracy atom frequency marker and frequency division clock, traced to the source by big-dipper satellite bi-directional device and high accuracy atom frequency marker, again time frequency signal is sent to frequency division clock, described TIME-FREQUENCY ANALYSIS module comprises hyperchannel distribution amplifier second, multichannel frequency distribution amplifier and hyperchannel time-interval counter, described hyperchannel distribution amplifier second is all connected with frequency division clock with multichannel frequency distribution amplifier, described hyperchannel time-interval counter is all connected with described hyperchannel distribution amplifier second and multichannel frequency distribution amplifier, described TIME-FREQUENCY ANALYSIS module is connected with data acquisition unit.
2. a kind of electric network state monitoring system based on the Big Dipper according to claim 1, is characterized in that: described data collector comprises current collector, voltage collector, meritorious collector, idle collector, phase angle collector, harmonic wave collector, flickering collector, voltage effects collector.
3. a kind of electric network state monitoring system based on the Big Dipper according to claim 1, is characterized in that: described data storage device communicates with electrical network Devices to test contact and central database server respectively by Ethernet, WLAN with 3G/2G network with DSP data processor.
4. a kind of electric network state monitoring system based on the Big Dipper according to claim 1, is characterized in that: described data storage device comprises internal memory, CF card and hard disk.
5. a kind of electric network state monitoring system based on the Big Dipper according to claim 1, is characterized in that: described dsp processor is connected by dual port RAM with data memory module.
CN201420717951.6U 2014-11-26 2014-11-26 A kind of electric network state monitoring device based on the Big Dipper Expired - Fee Related CN204188731U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105044743A (en) * 2015-09-14 2015-11-11 北京石油化工学院 Beidou multichannel remote communication and positioning apparatus
CN105403751A (en) * 2014-11-26 2016-03-16 巫立斌 Power grid state monitoring device based on Beidou
CN106452561A (en) * 2016-09-27 2017-02-22 北京无线电计量测试研究所 Satellite bidirectional time alignment system among multiple stations

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105403751A (en) * 2014-11-26 2016-03-16 巫立斌 Power grid state monitoring device based on Beidou
CN105044743A (en) * 2015-09-14 2015-11-11 北京石油化工学院 Beidou multichannel remote communication and positioning apparatus
CN106452561A (en) * 2016-09-27 2017-02-22 北京无线电计量测试研究所 Satellite bidirectional time alignment system among multiple stations
CN106452561B (en) * 2016-09-27 2019-12-13 北京无线电计量测试研究所 system and method for comparing satellite bidirectional time among multiple stations

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C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20151201

Address after: 518000 Guangdong city of Shenzhen province Futian District Meilin Street Mei Xiu Lu Meilin Industrial Zone No. 1-1 Building 2, 703

Patentee after: Shenzhen Anpu Wise Technology Co.,Ltd.

Address before: 365400 Ninghua County, Sanming City Province, the town of the town of Jiang Ming Road, No. 58, No.

Patentee before: Ma Qiuping

Effective date of registration: 20151201

Address after: 518000 Guangdong city of Shenzhen province Futian District Meilin Street Mei Xiu Lu Meilin Industrial Zone No. 1-1 Building 2, 703

Patentee after: Shenzhen Anpu Wise Technology Co.,Ltd.

Address before: 365400 Ninghua County, Sanming City Province, the town of the town of Jiang Ming Road, No. 58, No.

Patentee before: Ma Qiuping

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150304

Termination date: 20191126