CN104810923A - Intelligent power distribution and use integrated terminal based on IEC61850 stipulation - Google Patents

Intelligent power distribution and use integrated terminal based on IEC61850 stipulation Download PDF

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Publication number
CN104810923A
CN104810923A CN201510198530.6A CN201510198530A CN104810923A CN 104810923 A CN104810923 A CN 104810923A CN 201510198530 A CN201510198530 A CN 201510198530A CN 104810923 A CN104810923 A CN 104810923A
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monitoring
voltage
unit
electric energy
control unit
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喻永贵
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JIANYIN CHANGYI GROUP
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JIANYIN CHANGYI GROUP
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20Smart grids as enabling technology in buildings sector
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/50Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
    • Y04S10/52Outage or fault management, e.g. fault detection or location
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/124Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses

Abstract

The invention discloses an intelligent power distribution and use integrated terminal based on IEC61850 stipulation. The terminal comprises a chassis, a host back plate arranged in the chassis, a metering collection unit, a protection measurement and control unit, an electric energy quality monitoring unit, a low voltage comprehensive processing unit and a device state monitoring unit which are in communication connection with a main control unit through the host back plate and a power unit used for supplying power to the units. The terminal system adopts the integrated design, a power distribution automatic terminal, a distribution transformation monitoring terminal, a centralized meter reading terminal, an electric energy quality analyzing device, a reactive compensation control device, a three-phase electric energy meter, a comprehensive environment monitoring device and multiple terminals and devices in a power distribution room are highly integrated, device cost and power distribution station space are saved, data classification issuing and information sharing are achieved, multi-department data transmission can be achieved by one device, and each can take what he needs.

Description

Based on the integrated terminal of intelligent adapted electricity of IEC61850 stipulations
Technical field
The present invention relates to a kind of integrated terminal of intelligent adapted electricity based on IEC61850 stipulations.
Background technology
At present, IEC61850 standard is the unique universal standard of power system automatic field.It is by the realization of standard, achieves the engineering running standardization of intelligent substation.The engineering construction of intelligent substation is made to become specification, unification and transparent.
Intelligent transformer station in intelligent grid adopts advanced, reliable, energy-conservation, environmental protection, integrated equipment to combine under IEC61850 standard criterion; with the basis that the platform of high-speed network communication is information transmission; automatically complete the basic functions such as the acquisition function of information, measurement function, controlling functions, defencive function, function of measuring and monitoring function, and automatically control when can support that electrical network produces as required, Intelligent adjustment, on-line analysis decision-making, the senior application function such as collaborative interactive.The feature of Intelligent transformer station is by adopting advanced electronic sensor, electronics, information, communication, control, the technology such as artificial intelligence, based on intelligentized primary equipment and unified information platform, realize the real time panoramic monitoring of transformer station, automatic operation controls, the maintenance of equipment state, the self adaptation of running status, the functions such as intellectual analysis decision-making, security state evaluation is carried out to intelligent grid, early warning and control, the operation of Intelligent Optimal system, realize the real-time access of new forms of energy and exit, and and control centre, power supply and relevant transformer station can work in coordination with interaction and provide support.
There is following problem in current distribution monitoring:
1, existing electrical substation monitoring terminal kinds is various, and comprise station institute terminal D TU, distribution transformer terminals TTU, protective relaying device, voltage monitoring instrument and electric energy quality monitor etc., each device is managed by different business department liable, and equipment purchase, O&M cost are larger.
2, different monitoring terminal communicates with backstage separately, and as DTU in same electric room uses optical fiber communication, the terminals such as TTU use radio communication separately, lack unified planning, waste communication port resource and increase equipment purchase cost.
3, various equipment adopts various different communication protocol, fights separately.
Summary of the invention
The defect that the present invention seeks to exist for prior art provides a kind of integrated terminal of intelligent adapted electricity based on IEC61850 stipulations.
The present invention for achieving the above object, adopt following technical scheme: a kind of integrated terminal of intelligent adapted electricity based on IEC61850 stipulations, comprise cabinet, be arranged on the host backplane in cabinet, the metering collecting unit, protection measure and control unit, electric energy quality monitoring unit, low-voltage comprehensive processing unit and the device status monitoring unit that communicate to connect is carried out respectively by described host backplane and main control unit, and the power subsystem for powering to system unit; Wherein,
Described main control unit, it carries out communication by Ethernet IEC60870-5-104 stipulations and main website, merges, data store, timing reports, calls at random and Classification Management for collection, the data being responsible for all local informations in whole website;
Described metering collecting unit, it gathers the electric energy measurement data of electric energy meter in transformer station by transformer station's transducer, and the timing of above-mentioned electric energy measurement data mail to main control unit by Ethernet IEC61850 agreement and carry out classification and store and timing issue, and timely data are wherein issued with MMS (Microsoft Media Server) Protocol form immediately by SMV message;
Described protection measure and control unit, it carries out analytical calculation by transformer station's transducer to all abnormal datas collected, and makes corresponding conservation treatment according to result of calculation, by Ethernet IEC61850 agreement, result of calculation is reported to main control unit simultaneously;
Described electric energy quality monitoring unit, it is monitored the quality of power supply of transformer station's medium voltage side and voltage by transformer station's transducer, and adopting fast Fourier transform FFT and fast discrete type Fourier transform DFT to carry out computing, result timing reports main control unit by Ethernet IEC61850 agreement;
Described low-voltage comprehensive processing unit, it is monitored by the low-pressure side power distribution information of transformer station's transducer to transformer station, and the timing of monitoring result is reported main control unit by Ethernet IEC61850 agreement;
Described device status monitoring unit, it is monitored the state of emphasis equipment in transformer station's distribution by transformer station's transducer, and monitoring result timing is reported main control unit by Ethernet IEC61850 agreement.
Further, described main control unit have employed the ADSP-BF609 double-core micro-chip processor of ADI company, and this chip carries two-way ethernet mac agreement, wherein a road configuration network chip DSP83640, another road configuration network exchange chip RTL8309; Described network exchanging chip RTL8309 is with 9 tunnel independence network interfaces, and wherein 1 road network mouth is connected with a road network mouth of ADSP-BF609 double-core micro-chip processor, and other 8 road network mouths are used for being connected with other units, makes complete machine inside realize Ethernet data and exchanges.
Further, described electric energy metrical unit adopts ADSP-BF609 to do kernel processor chip, and it is configured with two Ethernet interfaces, and an Ethernet interface is for reading the continuous data of transformer station's transducer; Another Ethernet interface is used for and host backplane realizes exchanges data.
Further, the defencive function that described protection measure and control unit has comprises: reclosing, three-phase shove detection, overvoltage protection, overload alarm, the alarm of PT broken string/decompression and failure wave-recording.
Further, the data that described electric energy quality monitoring unit gathers in electric energy quality monitoring comprise: first-harmonic, harmonic wave, tri-phase unbalance factor, voltage flicker, voltage event and base quantity; The data that described electric energy quality monitoring unit gathers in voltage monitoring comprise: the mean value that monitored each phase voltage is per minute and markers, Yi Ji, the moon statistical value.
Further, the computational methods of described voltage flicker are as follows: converted the discrete data gathered by fast Fourier transform FFT, and the grid voltage amplitude decay caused in result of calculation for fast Fourier transform FFT does correcting process, to reduce the error of the instantaneous vermicularizing alloy causing line voltage output pulsation because of different frequency amplitude-modulated wave.
Further, described line voltage makes carrier wave by a stable power-frequency voltage, superposes a regular or random amplitude-modulated wave and forms; Wherein, described amplitude-modulated wave comprises single or multiple frequency component.
Further, described low-voltage comprehensive processing unit adopts micropower wireless mode and transformer station's transducer to carry out data communication.
Further, described low-voltage comprehensive processing unit is furnished with RS-485 chip, for the communication of multifunctional comprehensive compensating module, thus realize reactive power compensation.
Further, the Contents for Monitoring of described device status monitoring unit comprises: transformer temperature monitoring, transformer blower fan auxiliary control monitoring, switch cabinet temperature monitor, the monitoring of switch cubicle air gauge, partial discharge of switchgear monitoring, cable local discharge monitoring and the monitoring of cable circulation.
Beneficial effect of the present invention: terminal system of the present invention adopts integrated design, the distribution power automation terminal (DTU) in power distribution room, Distribution transformer (TTU), centralized automatic meter-reading terminal, power quality analysis equipment, the control of reactive power compensating equipment, three-phase electric energy meter, the multiple terminals such as integrated environment watch-dog and equipment carry out highly integrated, each functional module communication is according to IEC61850 standard Uniting, the improve parameter unification that electric power system all departments need is collected, not only saved equipment cost and power distribution station space but also accomplished that all Data classifications were issued, information sharing, accomplish that an equipment achieves multidisciplinary data and passes altogether, each takes what he needs.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the function of the present invention.
Embodiment
Shown in Fig. 1; relate to a kind of integrated terminal of intelligent adapted electricity based on IEC61850 stipulations; comprise cabinet; be arranged on the host backplane in cabinet; the metering collecting unit, protection measure and control unit, electric energy quality monitoring unit, low-voltage comprehensive processing unit and the device status monitoring unit that communicate to connect is carried out respectively by host backplane and main control unit, and the power subsystem for powering to system unit.
For described main control unit, it carries out communication by Ethernet IEC60870-5-104 stipulations and main website, merges, data store, timing reports, calls at random and Classification Management for collection, the data being responsible for all local informations in whole website;
For described metering collecting unit, it gathers the electric energy measurement data of electric energy meter in transformer station by transformer station's transducer, and the timing of above-mentioned electric energy measurement data mail to main control unit by Ethernet IEC61850 agreement and carry out classification and store and timing issue, and timely data are wherein issued with MMS (Microsoft Media Server) Protocol form immediately by SMV message;
For described protection measure and control unit, it carries out analytical calculation by transformer station's transducer to all abnormal datas collected, and makes corresponding conservation treatment according to result of calculation, by Ethernet IEC61850 agreement, result of calculation is reported to main control unit simultaneously;
For described electric energy quality monitoring unit, it is monitored the quality of power supply of transformer station's medium voltage side and voltage by transformer station's transducer, and adopting fast Fourier transform FFT and fast discrete type Fourier transform DFT to carry out computing, result timing reports main control unit by Ethernet IEC61850 agreement;
For described low-voltage comprehensive processing unit, it is monitored by the low-pressure side power distribution information of transformer station's transducer to transformer station, and the timing of monitoring result is reported main control unit by Ethernet IEC61850 agreement;
For described device status monitoring unit, it is monitored the state of emphasis equipment in transformer station's distribution by transformer station's transducer, and monitoring result timing is reported main control unit by Ethernet IEC61850 agreement.
In the present invention, main control unit have employed the ADSP-BF609 double-core micro-chip processor of ADI company, and it carries two-way ethernet mac agreement, wherein distribution network chip DSP83640 outside a road, another road configuration network exchange chip RTL8309; Network exchanging chip RTL8309 is with 9 tunnel independence network interfaces, and wherein 1 road network mouth is connected with a road network mouth of ADSP-BF609 double-core micro-chip processor, and other 8 road network mouths are used for being connected with unit, makes complete machine inside realize Ethernet data and exchanges.
In the present invention, electric energy metrical unit adopts ADSP-BF609 to do kernel processor chip, and it is configured with 2 Ethernet interfaces, and an Ethernet interface is used for read sensor continuous data; Another Ethernet interface and host backplane realize exchanges data.
Concrete, electric energy metrical unit reads the parameter such as electric current, voltage, frequency, phase place in this loop by Ethernet interface.Its device measuring accuracy: voltage, electric current, frequency, phase place, active power, reactive power and electricity precision are equal to transducer conversion accuracy.That sampled measurement transmission class model adopts is sampled value SAV in the common data class of measured value information, and the exchange of sampled measurement is based on publish/subscribe mechanism.In view of this electric energy metrical unit need do the calculating of electric flux and high order harmonic component, sampled value is set to 256 point/cycles.
In protection measure and control unit, it gathers related data from transformer station's transducer, carries out analytical calculation, and process respectively according to result of calculation real time data; As overcurrent protection, when finding that overcurrent condition appears in circuit, starting three sections of overcurrent protections immediately and the time that event occurs is stored and reports to main control unit.Its defencive function had comprises: reclosing, three-phase shove the functions such as detection, overvoltage protection, overload alarm, the alarm of PT broken string/decompression, failure wave-recording.After this type of event occurs, protected test unit can process immediately automatically, reports main control unit as logout by Ethernet according to IEC61850 agreement simultaneously.
In the present invention, electric energy quality monitoring unit is in electric energy quality monitoring, and its data gathered comprise: first-harmonic: specifically have voltage, current effective value; Voltage, current phase; Active power, reactive power, apparent power, power factor, phase-splitting power factor; Harmonic wave: specifically have voltage, current total harmonic distortion rate; 2 ~ 50 subharmonic voltages, current effective value (containing ratio); Harmonic voltage, current phase; And tri-phase unbalance factor: specifically there are each order components of voltage, electric current and degree of unbalance.In addition, voltage flicker is also had: flickering when specifically having voltage long, short time voltage flickering; Voltage event: specifically have voltage swell, fall Wave data and event argument, short interruptions Wave data and event argument temporarily; Base quantity: specifically have frequency, voltage, current effective value, active power, reactive power, apparent power and power factor etc.
In the present invention, electric energy quality monitoring unit is in voltage monitoring, and its data gathered comprise: monitored each phase voltage mean value per minute and markers, Yi Ji, the moon statistical value.Wherein, day, the moon statistical value comprise qualification rate, qualified cumulative time, super upper limit rate, super upper limit cumulative time, super lower limit rate, super lower limit cumulative time, frequency of power cut, total interruption duration.
Consider that electric energy quality monitoring need do a large amount of computings and data processing, 2-50 subharmonic need be detected, and calculate its content.Usual employing fast Fourier transform FFT and fast discrete type Fourier transform DFT calculates, and amount of calculation is larger, and the system that must ensure possesses the real-time that enough real-time computing ensure to calculate.
In electric energy quality monitoring unit, the computational methods of described voltage flicker are as follows: converted the discrete data gathered by fast Fourier transform FFT, and the grid voltage amplitude decay caused in result of calculation for fast Fourier transform FFT does correcting process, to reduce the error of the instantaneous vermicularizing alloy causing line voltage output pulsation because of different frequency amplitude-modulated wave.
Wherein, described line voltage makes carrier wave by a stable power-frequency voltage, superposes a regular or random amplitude-modulated wave and forms; Wherein, described amplitude-modulated wave comprises single or multiple frequency component.
In addition, low-voltage comprehensive processing unit of the present invention adopts micropower wireless mode and transformer station's transducer to carry out data communication; This unit is furnished with RS-485 chip, for the communication of multifunctional comprehensive compensating module, thus realize reactive power compensation.
In addition, device status monitoring unit of the present invention can realize the status monitoring to emphasis equipment in distribution, and main Contents for Monitoring comprises: transformer temperature monitoring, transformer blower fan auxiliary control monitoring, switch cabinet temperature monitor, the monitoring of switch cubicle air gauge, partial discharge of switchgear monitoring, cable local discharge monitoring and the monitoring of cable circulation.
It should be noted that, the RS-485 chip major function in the present invention is as follows:
1, gather ac analog (voltage, electric current, meritorious, reactive power, power factor (PF) etc.), and there is record wave energy, can with curve or graph mode display.
2, electric energy data is gathered: total electric energy indicating value, each rate electric energy indicating value, total electric flux, each rate electric flux, maximum demand etc.
3, energy data statistics: rate of qualified voltage, tri-phase unbalance factor, voltage fluctuation and flicker, temporarily or transient overvoltage, 2 ~ 19 order harmonic components of voltage dip/interruptions/temporarily liter, voltage (electric current), relative harmonic content and resultant distortion rate, frequency departure, load factor and power supply continuity etc.
4, possess the multiple protection/alarm functions such as overvoltage protection, overcurrent protection, overload protection, under-voltage protection, overtemperature protection, and complete record simultaneously, store and report.
5, user power utilization information monitoring: the acquiring electric energy information realizing power distribution station, comprise electric energy meter data acquisition, electric power meter operating mode, power quality monitoring, and power load and electric energy monitor, Correlation method for data processing to be stored, management and transmission.
6, distribution transforming metering summary table monitoring: the integrated management realizing public power distribution station intelligent electric energy meter, examines its metering validity, to the analysis of intelligent electric energy meter abnormal operating condition, judgement, alarm complete related information transmission.
7, RCD monitoring: realize the monitoring to RCD running status and residual current numerical value, has record, stores and upload function.
8, status monitoring: Real-Time Monitoring transformer oil gentle gas density, platform district outlet switch state, capacitor/filter switching state, intelligent distribution transformer terminals operation conditions etc., possess abnormal alarm function.
9, load management: comprehensive control management power distribution station load, realizes transformer platform area power definite value closed-loop control, electricity setting control, rate setting control, distant place direct control function.
10, low-voltage comprehensive process: support dynamic passive compensation and active worry ripple mixed mode, to the quick dynamic compensation of distribute-electricity transformer district reactive power, the harmonic wave that frequency, size all change is suppressed, the each harmonic of energy tracing compensation Rapid Variable Design load, and Ke Duitai district load load three-phase imbalance problem is administered.
11, line loss calculation: realize power distribution station line loss, loss on transmission local analysis calculates, when line loss super setting threshold values, can report to the police according to the type of alarm preset.
12, economic operation analysis: by analyzing distribution transforming three-phase load, adjust operation voltage and three-phrase burden balance, and the economical operation of transformer and low-voltage circuit is analyzed.
13, anti-theft security function: carry out Real-Time Monitoring to key facilities such as distribution transformers, uploads in time to monitoring abnormal information, and by information notification related personnel such as abnormal facility name, places.
14, anti-stealing electricity function: carry out real time on-line monitoring to power distribution station power information, starts abnormality processing flow process after noting abnormalities, upload warning in time to improper power information, and electricity theft prevention behavior occurs.
15, protecting information safety: adopt national Password Management office approve and meet the hardware security module of Q/GDW 377 standard-required, realizes the encryption and decryption storing power distribution station data, transmit, ensures the accuracy of data, reliability and fail safe.
16, interactive management: provide the access waies such as wireless connections, completes bidirectional data interaction with operation maintenance personnel and user, guides user to take rational power structure and power mode, improve the utilization ratio of electric power resource by Electricity Price Strategy.
17, distributed power source access-in management: Inspect and control is carried out to the user side distributed power supply system of access utility network.
18, environmental monitoring: adopt temperature and relative humidity to monitor the epidemic disaster information that distributed board outdoor, power distribution station and case become in real time.
19, event and alarming processing: by auxiliary equipment such as configuration sounding light, reports to the police to all kinds of event of power distribution station and accident, and can realize automatic record to event and accident, recollect and upload.
20, man-machine interaction: man-machine interface is clear understandable, auxiliary configure generic button operation mode, convenient and simple for operation, abundant lamplight pointing information is provided, transformer platform operation information is represented more directly perceived, support that long distance wireless access realization is to the remote maintenance of device and supervision.
These are only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. the integrated terminal of intelligent adapted electricity based on IEC61850 stipulations, it is characterized in that, comprise cabinet, be arranged on the host backplane in cabinet, the metering collecting unit, protection measure and control unit, electric energy quality monitoring unit, low-voltage comprehensive processing unit and the device status monitoring unit that communicate to connect is carried out respectively by described host backplane and main control unit, and the power subsystem for powering to system unit; Wherein,
Described main control unit, it carries out communication by Ethernet IEC60870-5-104 stipulations and main website, merges, data store, timing reports, calls at random and Classification Management for collection, the data being responsible for all local informations in whole website;
Described metering collecting unit, it gathers the electric energy measurement data of electric energy meter in transformer station by transformer station's transducer, and the timing of above-mentioned electric energy measurement data mail to main control unit by Ethernet IEC61850 agreement and carry out classification and store and timing issue, and timely data are wherein issued with MMS (Microsoft Media Server) Protocol form immediately by SMV message;
Described protection measure and control unit, it carries out analytical calculation by transformer station's transducer to all abnormal datas collected, and makes corresponding conservation treatment according to result of calculation, by Ethernet IEC61850 agreement, result of calculation is reported to main control unit simultaneously;
Described electric energy quality monitoring unit, it is monitored the quality of power supply of transformer station's medium voltage side and voltage by transformer station's transducer, and adopting fast Fourier transform FFT and fast discrete type Fourier transform DFT to carry out computing, result timing reports main control unit by Ethernet IEC61850 agreement;
Described low-voltage comprehensive processing unit, it is monitored by the low-pressure side power distribution information of transformer station's transducer to transformer station, and the timing of monitoring result is reported main control unit by Ethernet IEC61850 agreement;
Described device status monitoring unit, it is monitored the state of emphasis equipment in transformer station's distribution by transformer station's transducer, and monitoring result timing is reported main control unit by Ethernet IEC61850 agreement.
2. the integrated terminal of intelligent adapted electricity as claimed in claim 1, it is characterized in that, described main control unit have employed the ADSP-BF609 double-core micro-chip processor of ADI company, this chip carries two-way ethernet mac agreement, a wherein road configuration network chip DSP83640, another road configuration network exchange chip RTL8309; Described network exchanging chip RTL8309 is with 9 tunnel independence network interfaces, and wherein 1 road network mouth is connected with a road network mouth of ADSP-BF609 double-core micro-chip processor, and other 8 road network mouths are used for being connected with other units, makes complete machine inside realize Ethernet data and exchanges.
3. the integrated terminal of intelligent adapted electricity as claimed in claim 1, it is characterized in that, described electric energy metrical unit adopts ADSP-BF609 to do kernel processor chip, and it is configured with two Ethernet interfaces, and an Ethernet interface is for reading the continuous data of transformer station's transducer; Another Ethernet interface is used for and host backplane realizes exchanges data.
4. the integrated terminal of intelligent adapted electricity as claimed in claim 1; it is characterized in that, the defencive function that described protection measure and control unit has comprises: reclosing, three-phase shove detection, overvoltage protection, overload alarm, the alarm of PT broken string/decompression and failure wave-recording.
5. the integrated terminal of intelligent adapted electricity as claimed in claim 1, it is characterized in that, the data that described electric energy quality monitoring unit gathers in electric energy quality monitoring comprise: first-harmonic, harmonic wave, tri-phase unbalance factor, voltage flicker, voltage event and base quantity; The data that described electric energy quality monitoring unit gathers in voltage monitoring comprise: the mean value that monitored each phase voltage is per minute and markers, Yi Ji, the moon statistical value.
6. the integrated terminal of intelligent adapted electricity as claimed in claim 5, it is characterized in that, the computational methods of described voltage flicker are as follows: converted the discrete data gathered by fast Fourier transform FFT, and the grid voltage amplitude decay caused in result of calculation for fast Fourier transform FFT does correcting process, to reduce the error of the instantaneous vermicularizing alloy causing line voltage output pulsation because of different frequency amplitude-modulated wave.
7. the integrated terminal of intelligent adapted electricity as claimed in claim 6, is characterized in that, described line voltage makes carrier wave by a stable power-frequency voltage, superpose a regular or random amplitude-modulated wave formation; Wherein, described amplitude-modulated wave comprises single or multiple frequency component.
8. the integrated terminal of intelligent adapted electricity as claimed in claim 1, is characterized in that, described low-voltage comprehensive processing unit adopts micropower wireless mode and transformer station's transducer to carry out data communication.
9. the integrated terminal of intelligent adapted electricity as claimed in claim 8, it is characterized in that, described low-voltage comprehensive processing unit is furnished with RS-485 chip, for the communication of multifunctional comprehensive compensating module, thus realize reactive power compensation.
10. the integrated terminal of intelligent adapted electricity as claimed in claim 1, it is characterized in that, the Contents for Monitoring of described device status monitoring unit comprises: transformer temperature monitoring, transformer blower fan auxiliary control monitoring, switch cabinet temperature monitor, the monitoring of switch cubicle air gauge, partial discharge of switchgear monitoring, cable local discharge monitoring and the monitoring of cable circulation.
CN201510198530.6A 2015-04-23 2015-04-23 Intelligent power distribution and use integrated terminal based on IEC61850 stipulation Pending CN104810923A (en)

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Cited By (13)

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CN108848118A (en) * 2018-03-29 2018-11-20 杭州海兴电力科技股份有限公司 The electrical integrated communication apparatus of the means of communication, adapted and system
CN109116148A (en) * 2018-07-28 2019-01-01 宋云飞 Electric energy quality monitoring method
CN109151080A (en) * 2018-10-31 2019-01-04 中原工学院 Three phase electrical parameters monitoring and electric energy metered system based on Internet of Things
CN109142916A (en) * 2018-07-28 2019-01-04 宋云飞 Electric energy quality monitoring system
CN109255554A (en) * 2018-10-12 2019-01-22 江苏亚威变压器有限公司 A kind of low pressure matches electricity consumption monitoring and management system
CN109765465A (en) * 2018-12-20 2019-05-17 福建和盛高科技产业有限公司 A kind of enhanced power instrument with high-tension switch cabinet and cable insulation status on-line monitoring function
CN109831027A (en) * 2018-12-30 2019-05-31 国网浙江省电力有限公司电力科学研究院 A kind of flexible testing and analysis system of distribution network electric energy quality
CN110417058A (en) * 2019-08-06 2019-11-05 杭州继保南瑞电子科技有限公司 The grid-connected interface monitor system of distributed power generation access utility network
CN110672971A (en) * 2019-07-04 2020-01-10 广州供电局有限公司 Built-in fault recording device of power distribution terminal
CN111224464A (en) * 2018-11-27 2020-06-02 鼎桥通信技术有限公司 Management control information transmission method and system for multiple inverters
CN111562416A (en) * 2020-04-30 2020-08-21 广东电网有限责任公司 Electric power data acquisition device

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