CN202309231U - Automatic distribution remote control terminal ftu - Google Patents
Automatic distribution remote control terminal ftu Download PDFInfo
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- CN202309231U CN202309231U CN2011204356407U CN201120435640U CN202309231U CN 202309231 U CN202309231 U CN 202309231U CN 2011204356407 U CN2011204356407 U CN 2011204356407U CN 201120435640 U CN201120435640 U CN 201120435640U CN 202309231 U CN202309231 U CN 202309231U
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- remote control
- digital signal
- signal processor
- control terminal
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS 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
- Y04S40/00—Systems 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
- Y04S40/12—Systems 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
- Y04S40/124—Systems 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
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- Y—GENERAL 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS 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
- Y04S40/00—Systems 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
- Y04S40/12—Systems 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
- Y04S40/126—Systems 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 wireless data transmission
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model relates to an automatic distribution remote control terminal FTU which comprises a digital signal processor (DSP). The automatic distribution remote control terminal FTU is characterized in that the input terminal of the digital signal processor (DSP) is connected with a filtering and frequency-measuring circuit; the input terminal of the filtering and frequency-measuring circuit is connected with an eight-path AC component isolation transformation circuit; the digital signal processor (DSP) is connected with a FLASH memory and a photoelectric isolation unit via a bus; the photoelectric isolation unit is connected with an eight-path DI and six-path DO circuit; and the digital signal processor (DSP) is connected with a communication interface via the photoelectric isolation unit. The beneficial effects of the utility model are that main functions realized by the automatic distribution remote control terminal in a system are collecting on-site AC measured values (such as the voltage, the current and the power), collecting quantities of state (such as a switch position and energy storage), carrying out remote control commands (such as closing or opening switches), and realizing various relay protection functions for feed lines. According to the automatic distribution remote control terminal, an RS485 and an ethernet interface are adopted, a GPRS\CDMA, a power line carrier wave and a fiber communication mode can be flexibly mated for communication with an automatic distribution network main station system, information of faults can be reported automatically, and information of line equipment can be reported in a real-time manner.
Description
Technical field
The utility model relates to a kind of distribution management equipment, is specifically related to a kind of power distribution automation remote control terminal.
Background technology
Electrical power distribution automatization system is by main station system, and data communication system and distribution power automation terminal three parts are formed, and distribution power automation terminal is the interface of automated system and primary equipment.Distribution power automation terminal not only will be realized its Monitoring and Controlling to distribution line, line fault is discerned, handled, and also will accomplish the data multichannel simultaneously and upload master function.Present distribution power automation terminal, the shared sampling holder of its sampling channel, mostly the data sampling mode is sequential sampling, inefficiency and cost are high.
Summary of the invention
The utility model technical problem to be solved is: a kind of data acquisition efficiency height is provided, integrates the power distribution automation remote control terminal of communication monitoring.
In order to solve the problems of the technologies described above; The utility model adopts following technical scheme: a kind of power distribution automation remote control terminal; Comprise the DSP digital signal processor; It is characterized in that: the input of said DSP digital signal processor links to each other with filtering and frequency measurement circuit, and the input of filtering and frequency measurement circuit links to each other with 8 road of ac isolated variable circuit, and the DSP digital signal processor links to each other with FLASH memory and photoelectricity isolated location through bus; The photoelectricity isolated location links to each other with 8 road DI circuit and 6 road DO circuit, and the DSP digital signal processor links to each other with communication interface through the electrical isolation unit.
Said 8 road of ac isolated variable circuit comprise A/D converter and current transformer, voltage transformer, and the output of current transformer, voltage transformer links to each other with electric current, the voltage input end of A/D converter respectively.
Said communication interface cooperates with GRPS/CDMA, optical fiber, Ethernet, with the main website communication.
Said DSP digital signal processor also links to each other with clock circuit.
Said DSP digital signal processor also links to each other with man-machine interface through man-machine interface.
The utility model compared with prior art has following beneficial effect: power distribution automation terminal unit main function that realizes in system is AC measurment value (like voltage, electric current, power etc.) and the quantity of state of gathering on the spot (like the position of the switch, energy storage situation etc.); And carry out guidance command (running the pass jointly), and can realize the various relaying protection functions of feeder line like jumping.This power distribution automation terminal unit provides RS485 and Ethernet interface; Can flexible supporting GPRS/CDMA, power line carrier, optical-fibre communications mode and the communication of distribution automation main station system, realize that the fault message automation reports the real-time report with line facility information.
Description of drawings
Fig. 1 be the utility model structured flowchart.
Embodiment
Referring to Fig. 1; The utility model comprises: 8 road of ac isolated variable circuit, filtering and frequency measurement circuit, DSP digital signal processor, FLASH memory, high-speed SRAM reservoir, photoelectricity isolated location, electrical isolation unit, communication interface, 8 road DI circuit and 6 road DO circuit (switching value input and switching value output), clock circuit etc.; The input of DSP digital signal processor links to each other with filtering and frequency measurement circuit; The input of filtering and frequency measurement circuit links to each other with 8 road of ac isolated variable circuit; The DSP digital signal processor links to each other with FLASH memory and photoelectricity isolated location through bus; The photoelectricity isolated location links to each other with 8 road DI circuit and 6 road DO circuit, and the DSP digital signal processor links to each other with communication interface through the electrical isolation unit.The DSP digital signal processor also links to each other with clock circuit, and the DSP digital signal processor also links to each other with man-machine interface through man-machine interface, and communication interface cooperates with GRPS/CDMA, optical fiber, Ethernet, carrier wave power line, with the main website communication.Of ac isolated variable circuit comprises A/D converter and current transformer, voltage transformer, and the output of current transformer, voltage transformer links to each other with electric current, the voltage input end of A/D converter respectively.
The DSP digital signal processor adopts 32 high integrated performance digital signal processors of Microchip company.Its work dominant frequency 150M, working temperature-40 ℃ ~ 125 ℃, built-in house dog and rich in natural resources extremely are fit to the application in work control field.
8 road of ac conversion buffer circuits use instrument transformer that 8 road external ACs stream or voltage are isolated, and the conversion of signals after will isolating is the input drive signal of filter amplification circuit and frequency measurement circuit.
The filtering frequency measurement circuit is exactly that the voltage and current signal of input is handled, and comprises signal amplification, waveform transformation, waveform shaping, and the signal after the processing is so that accepted by the DSP digital signal processor.
8 road DI, 6 road DO circuit, wherein DOI-DO4 is a heavy duty relay, is mainly used in important outlets such as circuit breaker breaker tripping and closing; DO5-DO6 is a signal relay; Be used for outlets such as warning, be used for realizing splitting collection and supervision into amount, and for the driving of leaving relay and management.Open into leaving by the coordinated management of DSP digital signal processor, the DSP digital signal processor is directly managed starting relay, is used to control the power supply of leaving relay.This measure has reduced the possibility that relay misoperation is done.
Communication interface is compatible electrical standard commonly used comprises RS485 and Ethernet RJ45.Optical fiber, GPRS/CDMA can join.Communication interface cooperates with GRPS/CDMA, optical fiber, Ethernet, with the main website communication.
Man-machine interface is made up of LCD, button, indicator light, is used for man-machine communication and operation on the spot.
Procedure stores is used for data such as storage failure record ripple, start-up picture with the outside FLASH memory that DSP links to each other through bus in the inner FLASH memory of DSP.Its memory space is big, and data can not be modified or lose under power-down conditions equally, and read-write number of times surpasses 1,000,000.
Clock circuit is that device provides inner calendar time.Under power-down conditions, supply power the normal operation of holding time by the device internal cell.The self clock deviation was less than 2ms/ minute.Power-down conditions lower device internal cell power-on time was greater than 5 years.
This power distribution automation terminal unit master is applied to the protection and the observing and controlling of 10kV-20kV feeder switch, can directly be articulated on the electrical outdoor terminal.Can be used for single line control, also can be used for the two-wire control of joint using.
Main feature:
1, adopts high-speed industrial level DSP hardware platform technology, improved the reliable type of system and the precision of AC sampling;
2, high reliability designs whole employing technical grade components and parts, all have all accomplished sufficient electrical isolation with extraneous being connected, and built-in anti-lightning protection circuit and power-supply filter.The EMC design of specialty;
3, rich in natural resources interface: 8 road AC current-voltage input channels; 8 way switch amount input channels, 6 way switch amount output channels;
4, open Interface design: provide RS485 multiple communication modes such as Ethernet, GPRS/CDMA; Support Modbus-RTU/TCP and IEC60870-5-101/103 communication protocol; Simultaneously can use different stipulations, the network communication of high reliability is provided for the user at heterogeneous networks;
5, can keep three groups of setting values, greatly make things convenient for different running method.
Claims (5)
1. power distribution automation remote control terminal
FTUComprise the DSP digital signal processor; It is characterized in that: the input of said DSP digital signal processor links to each other with filtering and frequency measurement circuit, and the input of filtering and frequency measurement circuit links to each other with 8 road of ac isolated variable circuit, and the DSP digital signal processor links to each other with FLASH memory and photoelectricity isolated location through bus; The photoelectricity isolated location links to each other with 8 road DI circuit and 6 road DO circuit, and the DSP digital signal processor links to each other with communication interface through the electrical isolation unit.
2. a kind of power distribution automation remote control terminal as claimed in claim 1
FTU, it is characterized in that: said of ac isolated variable circuit comprises A/D converter and current transformer, voltage transformer, and the output of current transformer, voltage transformer links to each other with electric current, the voltage input end of A/D converter respectively.
3. according to claim 1 or claim 2 a kind of power distribution automation remote control terminal
FTU, it is characterized in that: said communication interface cooperates with GRPS/CDMA, optical fiber, Ethernet, with the main website communication.
4. according to claim 1 or claim 2 a kind of power distribution automation remote control terminal
FTU, it is characterized in that: the DSP digital signal processor also links to each other with clock circuit.
5. according to claim 1 or claim 2 a kind of power distribution automation remote control terminal
FTU, it is characterized in that: the DSP digital signal processor also links to each other with man-machine interface through man-machine interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204356407U CN202309231U (en) | 2011-11-05 | 2011-11-05 | Automatic distribution remote control terminal ftu |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204356407U CN202309231U (en) | 2011-11-05 | 2011-11-05 | Automatic distribution remote control terminal ftu |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202309231U true CN202309231U (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204356407U Expired - Fee Related CN202309231U (en) | 2011-11-05 | 2011-11-05 | Automatic distribution remote control terminal ftu |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202309231U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103746455A (en) * | 2013-12-31 | 2014-04-23 | 青岛华电高压电气有限公司 | Power distribution network overvoltage suppression and fault positioning isolation control device |
| CN105301451A (en) * | 2015-12-02 | 2016-02-03 | 国网上海市电力公司 | Intelligent feed line control terminal |
| CN105449865A (en) * | 2015-12-17 | 2016-03-30 | 南京因泰莱电器股份有限公司 | Intelligent (feeder terminal unit) FTU used for fault positioning and isolating for distribution network |
| US20170038785A1 (en) * | 2015-08-07 | 2017-02-09 | Xj Group Corporation | Method of differential protection in the power distribution networks based on phase difference principles |
| CN108429248A (en) * | 2018-05-22 | 2018-08-21 | 淅川县电业局 | A kind of new-type no-load voltage ratio adjustable line breaker |
| CN109193952A (en) * | 2018-11-15 | 2019-01-11 | 湖南长高思瑞自动化有限公司 | A kind of techniques of feeder terminal unit in power distribution network and fault detection guard method based on GPRS communication |
| CN110474430A (en) * | 2019-09-18 | 2019-11-19 | 珠海欧力配网自动化股份有限公司 | A kind of intelligent distributed distribution power automation terminal of self-cure type and its system |
-
2011
- 2011-11-05 CN CN2011204356407U patent/CN202309231U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103746455A (en) * | 2013-12-31 | 2014-04-23 | 青岛华电高压电气有限公司 | Power distribution network overvoltage suppression and fault positioning isolation control device |
| US20170038785A1 (en) * | 2015-08-07 | 2017-02-09 | Xj Group Corporation | Method of differential protection in the power distribution networks based on phase difference principles |
| US10082816B2 (en) * | 2015-08-07 | 2018-09-25 | Xj Group Corporation | Method of differential protection in the power distribution networks based on phase difference principles |
| CN105301451A (en) * | 2015-12-02 | 2016-02-03 | 国网上海市电力公司 | Intelligent feed line control terminal |
| CN105449865A (en) * | 2015-12-17 | 2016-03-30 | 南京因泰莱电器股份有限公司 | Intelligent (feeder terminal unit) FTU used for fault positioning and isolating for distribution network |
| CN105449865B (en) * | 2015-12-17 | 2018-09-28 | 南京因泰莱电器股份有限公司 | A kind of intelligent FTU FTU for the isolation of distribution network fault location |
| CN108429248A (en) * | 2018-05-22 | 2018-08-21 | 淅川县电业局 | A kind of new-type no-load voltage ratio adjustable line breaker |
| CN109193952A (en) * | 2018-11-15 | 2019-01-11 | 湖南长高思瑞自动化有限公司 | A kind of techniques of feeder terminal unit in power distribution network and fault detection guard method based on GPRS communication |
| CN110474430A (en) * | 2019-09-18 | 2019-11-19 | 珠海欧力配网自动化股份有限公司 | A kind of intelligent distributed distribution power automation terminal of self-cure type and its system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20131105 |