CN202997707U - Intelligent early warning monitoring device for electrical network - Google Patents
Intelligent early warning monitoring device for electrical network Download PDFInfo
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- CN202997707U CN202997707U CN2012207543999U CN201220754399U CN202997707U CN 202997707 U CN202997707 U CN 202997707U CN 2012207543999 U CN2012207543999 U CN 2012207543999U CN 201220754399 U CN201220754399 U CN 201220754399U CN 202997707 U CN202997707 U CN 202997707U
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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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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
An intelligent early warning monitoring device for an electrical network relates to a real-time monitoring device for an intelligent early warning system of the electrical network. The intelligent early warning monitoring device comprises a power system information collection and information transmission portion and an information processing and man-machine interaction portion. The advantages of the intelligent early warning monitoring device are that interfaces can be arranged flexibly, parameters of contents monitored by the electrical network are set flexibly based on influence of a voltage, a current, a power factor, a transformer temperature, a load rate of a line and a switch and other parameters upon the electrical network according to practical experience of the electrical network, safety hidden trouble in the electrical network are found in time, key monitoring is timely carried out, and safety hidden troubles in the system can be timely eliminated, thereby guaranteeing safe and stable operation of a power system and ensuring that high-quality electric energy is provided to users. Meanwhile, the device can be connected with a scheduling automatic system through a 101 protocol and is characterized of being flexible and highly practical.
Description
Technical field
A kind of electrical network intelligent early-warning monitoring device relates to a kind of real-time monitoring device of electrical network intelligent early-warning system.
Background technology
Centralized control system, regulator control system are widely used in China's electric power system, in current no matter centralized control system or the supervisory control system scheme of regulator control system, its supervisory control system is mainly that abnormal, the fault that has occurred in electric power system, accident are carried out alarm and demonstration, this is requiring more and more higher today to power grid quality, and traditional supervisory control system exists problem demanding prompt solution.
From the scope of monitoring, no matter be centralized control system, or the regulation and control integral system of building at present, the scope of its monitoring all belongs to occurred abnormal, fault, accident etc., belongs to that occured, passive.The injury that itself the quality of electrical network has been caused that this monitoring content occurs.
From the result of monitoring, no matter be centralized control system or present regulator control system, no matter how process, all belong to passive-type, all will change the operational mode of system, all system affects, its processing procedure in varying degrees, affects to the quality of electrical network.
The utility model content
The purpose of this utility model is to provide a kind of intelligent early-warning monitoring device for electric network information, has solved the defective of the monitoring content passive-type that exists in existing power system monitor technology, drops to minimum with monitoring the impact of processing procedure on power grid quality.
A kind of electrical network intelligent early-warning monitoring device comprises power system information collecting part, partial message transmission, information processing and man-machine system part; Wherein the power system information collecting part mainly comprises circuit breaker auxiliary contact, instrument transformer and transmitter and remote terminal unit; Partial message transmission comprises communication processor, telemechanical main frame, substation end modem module, substation end optical fiber transport channel, dispatching terminal optical fiber transport channel and dispatching terminal modem module; Information processing and man-machine interaction partly comprise the Terminal Service unit for information processing, preposition service unit, service SCADA unit and information process unit and are used for demonstration and Alarm Unit and the interface setting unit of man-machine interaction; Power system information collecting part, partial message transmission, information processing are connected successively with the man-machine system part, realize the electrical network warning function.
In the power system information collecting part, remote terminal unit is connected in instrument transformer and transmitter by measuring secondary circuit, completes the collection of remote measurement; The auxiliary contact that is connected to circuit breaker by secondary circuit gathers the state of circuit breaker, completes the collection of remote signalling; And be sent in communication processor in real time by remote measurement, the remote signalling of 485 serial communications with electrical network.
In partial message transmission, communication processor is connected to remote terminal unit by 485 serial communications, be used for gathering electrical network remote measurement, remote signalling information, and convert this information to for electric power transfer standard 101 stipulations, by Ethernet, information is sent to the telemechanical main frame, the telemechanical main frame converts the information of communication processor to 101 stipulations, enters the dispatching terminal modem module after being transferred to substation end modem module and sending this information to the dispatching terminal optical fiber transport channel by substation end optical fiber transport channel by 485 serial ports.
In information processing and man-machine interaction part, wherein, the Terminal Service unit of information processing, it is connected to computer system with a lot of terminals, and be connected with major network by Ethernet, and by Ethernet, information is sent to and be preposition service unit, preposition service unit is to the collection of the data at each factory station, the conversion of stipulations, and by Ethernet, information transmitted the Terminal Service cell processing; The Terminal Service unit is connected to by Ethernet the message that the SCADA service unit can be processed; The SCADA service unit is connected to interface setting unit, information process unit, demonstration and Alarm Unit by Ethernet, with the information that meets the user in system and impose a condition, pass to the staff by display system and language system, and optionally print.
the beneficial effect of the utility model electrical network intelligent early-warning monitoring device is, electric network information is carried out real time on-line monitoring, particularly can be according to fuzzy control theory, according to the electrical network practical experience, according to the voltage in electrical network, electric current, power factor, transformer temperature, the impact that the parameters such as load factor of circuit and switch cause electrical network, parameter to the power system monitor content is set flexibly, the potential safety hazard that in time exists in the discovery electrical network, in time carry out key monitoring, the potential safety hazard that exists in time elimination system, guarantee the safe and stable operation of electric power system, the high-quality electric energy of guarantee the supply user.
Description of drawings
Fig. 1 is the structural representation of the utility model control device;
Fig. 2 power system information collecting part;
Fig. 3 partial message transmission;
Fig. 4 information processing and man-machine interaction part.
In Fig. 1,1. show and Alarm Unit, 2. information process unit, 3. interface setting unit, 4.SCADA service unit, 5. preposition service unit, 6. Terminal Service unit, 7. dispatching terminal modem module, 8. dispatching terminal optical fiber transport channel, 9. substation end optical fiber transport channel, 10. substation end modem module, 11 telemechanical main frames, 12 communication processors, 13. remote terminal units, 14. circuit breaker auxiliary contacts, 15. instrument transformer and transmitter, 16. power network.
Embodiment
The structure of the electrical network intelligent early-warning monitoring device that this is practical as Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, comprises power system information collecting part, partial message transmission, information processing and man-machine system part.Wherein electric power system and information gathering thereof part mainly is comprised of power network 16, circuit breaker auxiliary contact 14, instrument transformer and transmitter 15, remote terminal unit 13, and partial message transmission comprises that communication processor 12, telemechanical main frame 11, substation end modem module 10, substation end concern transmission channel 9, dispatching terminal optical fiber transport channel 8 and dispatching terminal modem module 7; Information processing and man-machine interaction partly comprise Terminal Service unit 6, preposition service unit 5, SCADA service unit 4, information process unit 2, demonstration and Alarm Unit 1, the interface setting unit 3 for information processing.
The power system information collecting part as shown in Figure 2, power network 16 mainly is comprised of transformer TM, circuit breaker Q F and bus I, is mainly used in the transmission of electric energy; Instrument transformer and transmitter 15 mainly are comprised of voltage transformer TV summation current transformer TA and transmitter; Circuit breaker auxiliary contact 14 is mainly the normal opened contact of circuit breaker Q F; The processor unit that remote terminal unit 13 mainly is comprised of fpga chip.as shown in Figure 2, the voltage and current information of power network gathers and enters transmitter by voltage transformer 15 summation current transformers 15, the temperature information of the transformer of power network is by the temperature sensor collection of transformer and enter transmitter, the voltage of transmitter to electrical network, after electric current and temperature information are processed, enter voltage and form loop (this voltage circuit is mainly realized the isolation of the A/D conversion processing system of FPGA), low-pass filtering, sampling keeps, multicircuit switch, thereby the processing that enters the FPGA processor after the processing of A/D process chip realizes the collection to the electrical network telemetry.The circuit breaker of power network cut-offs information and is gathered by circuit breaker auxiliary contact 14, forms the input of digital quantity, processes through entering the FPGA processor after light-coupled isolation, realizes the collection to remote signalling.This FPGA processor system main power source circuit, crystal oscillator, configuration circuit, MAX485, keyboard, LCD display form.The system that this FPGA forms can realize basic exchanges data, processing capacity.Wherein power circuit is mainly used in providing the needed voltages such as I/O mouth, storage chip, kernel kernel (VCCint) and PLL to FPGA; Crystal oscillating circuit provides system works required clock; The PPGA configuration circuit is used for providing the necessary configuration data of FPGA work etc.; The MAX485 circuit is realized the transfer function of 485 serial ports, crosses 485 serial ports through the information exchange of this FPGA system and realizes and the communicating by letter of communication processor; Keyboard and LCD display show setting and the demonstration to master data.
Partial message transmission as shown in Figure 3, communication processor 12 receives the information of remote terminal unit 13 by serial communication, and through industry ethernet and 11 networkings of telemechanical main frame, telemechanical main frame 11 with the information of communication processor 12 and other Ethernet interface measure and control devices after treatment, enter station end modulator-demodulator 10, stand and hold optical fiber transport channel 9, dispatching terminal optical fiber transport channel 8, dispatching terminal modulator-demodulator 7, the metrical information (remote signalling, remote measurement) of transformer station is reached dispatching terminal, thereby realize the transmission of the information of completing.
Information processing and man-machine interaction part as shown in Figure 4, this part mainly forms Information Processing Network by Terminal Service unit 6, front server 5, SCADA service unit 4, information process unit 2 by industry ethernet.Wherein Terminal Service unit 6 can receive and process numerous process transmission channel parts with the power network 16 real time data information of 101 stipulations transmission factory station ends, and be connected to the computer system of dispatching terminal by Ethernet, for preposition service unit 5 provides service; Preposition service unit 5 is by the information processing system of industry ethernet access dispatching end, it mainly is responsible for system to the collection of the data of each factory's station end, the conversion of stipulations, the data of factory's station end become through the processing of preposition service unit the message that can process towards SCADA service unit 4; SCADA service unit 4, by the information processing system of Ethernet access dispatching end, main data acquisition, transfer of data and processing are calculated and control the functions such as man-machine interface and alarm; Interface setting unit 3, mainly with the information processing system of microcomputer Ethernet access dispatching end, the user comes the initialization system operational factor according to the practical experience of electric power system, to reach the purpose of early warning; Information process unit 2, the parameter of mainly setting by interface setting unit 3 according to the user to the information that SCADA service unit 4 provides, is selectively processed; Show and Alarm Unit 1, with microcomputer access network based on ethernet access dispatching end major network system, show meeting the information that the user imposes a condition in system by large-screen, and pass to the staff, realize the purpose of intelligent early-warning, simultaneously can be as required printed by the printer of the information processing system of access dispatching end.
during work, the electric energy of power network 16 (substation) transmission, its voltage or electric current (remote measurement) are transformed into the voltage and current signal that is fit to measurement by instrument transformer 15, the temperature of its transformer converts the signal of telecommunication that is fit to measurement to by transducer, after entering the transmitter processing, enter the FPGA treatment system of remote terminal unit 13, complete the collection of electrical network telemetry, its circuit breaker cut-offs information (remote signalling) by the circuit breaker auxiliary contact, light-coupled isolation is after after treatment, enter simultaneously the FPGA treatment system of remote terminal unit 13, after remote measurement and remote signalling data are processed through the FPGA treatment system of remote terminal unit 13, convert the signal that to identify to, these signals are by different transmission protocols, enter communication processor 12, communication processor 12 converts these information to unified stipulations, and information is transmitted to telemechanical main frame 11, 101 stipulations that the telemechanical main frame is crossed electric power transfer with information exchange are transferred to substation end modem module 10, substation end modem module 10 becomes to be fit to the sinusoidal signal of long-distance transmissions with digital signal modulated, these sinusoidal signals, enter substation end optical fiber transport channel 9, optical fiber transport channel 9 becomes the signal of telecommunication into light signal, deliver to dispatching terminal transmission channel 8 by optical fiber transmission, dispatching terminal transmission channel 8 becomes light signal into the signal of telecommunication, the signal of telecommunication (sinusoidal signal) enters dispatching terminal modulator-demodulator 7, modulator-demodulator 7 through dispatching terminal becomes sinusoidal signal into digital signal, these digital signals enter Terminal Service unit 6, after Terminal Service unit 6 processing, be connected with the major network system by Ethernet, the preposition unit 5 of major network is changed by stipulations, the information that information processing becomes SCADA service unit 4 to process, SCADA service unit 4 is by information processing, main data acquisition, transfer of data and processing, calculate and control, the function such as man-machine interface and alarm, the conditional information that information process unit 2 is set according to interface setting unit 3, information to SCADA service unit 4 is processed in real time, with eligible information, by the large screen display of demonstration with Alarm Unit 1, be shown to the related personnel, and can print by printer.
Claims (4)
1. an electrical network intelligent early-warning monitoring device, is characterized in that, comprises power system information collecting part, partial message transmission, information processing and man-machine system part; Wherein the power system information collecting part mainly comprises circuit breaker auxiliary contact (14), instrument transformer and transmitter (15) and remote terminal unit (13); Partial message transmission comprises communication processor (12), telemechanical main frame (11), substation end modem module (10), substation end optical fiber transport channel (9), dispatching terminal optical fiber transport channel (8) and dispatching terminal modem module (7); Information processing and man-machine interaction partly comprise for the Terminal Service unit (6) of information processing, preposition service unit (5), SCADA service unit (4) and information process unit (2) and are used for demonstration and Alarm Unit (1) and the interface setting unit (3) of man-machine interaction; Power system information collecting part, partial message transmission, information processing are connected successively with the man-machine system part, realize the electrical network warning function.
2. a kind of electrical network intelligent early-warning monitoring device according to claim 1, is characterized in that in the power system information collecting part, and remote terminal unit (13) is connected in instrument transformer and transmitter by measuring secondary circuit, completes the collection of remote measurement; The auxiliary contact (14) that is connected to circuit breaker by secondary circuit gathers the state of circuit breaker, completes the collection of remote signalling; And be sent in real time in communication processor (12) by remote measurement, the remote signalling of 485 serial communications with electrical network.
3. a kind of electrical network intelligent early-warning monitoring device according to claim 1, it is characterized in that in partial message transmission, communication processor (12) is connected to remote terminal unit (13) by 485 serial communications, be used for gathering the electrical network remote measurement, remote signalling information, and convert this information to for electric power transfer standard 101 stipulations, by Ethernet, information is sent to telemechanical main frame (11), telemechanical main frame (11) converts the information of communication processor to 101 stipulations, enter dispatching terminal modem module (7) after being transferred to substation end modem module (10) and sending this information to dispatching terminal optical fiber transport channel (8) by substation end optical fiber transport channel (9) by 485 serial ports.
4. a kind of electrical network intelligent early-warning monitoring device according to claim 1, it is characterized in that in information processing and man-machine interaction part, wherein, the Terminal Service unit (6) of information processing, it is connected to computer system with a lot of terminals, and be connected with major network by Ethernet, and by Ethernet, information is sent to and be preposition service unit (5), preposition service unit (5) is to the collection of the data at each factory station, the conversion of stipulations, and by Ethernet, information transmitted the processing of Terminal Service unit (6); Terminal Service unit (6) is connected to by Ethernet the message that SCADA service unit (4) can be processed; SCADA service unit (4) is connected to interface setting unit (3), information process unit (2), demonstration and Alarm Unit (1) by Ethernet, with the information that meets the user in system and impose a condition, pass to the staff by display system and language system, and optionally print.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207543999U CN202997707U (en) | 2012-12-26 | 2012-12-26 | Intelligent early warning monitoring device for electrical network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207543999U CN202997707U (en) | 2012-12-26 | 2012-12-26 | Intelligent early warning monitoring device for electrical network |
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| Publication Number | Publication Date |
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| CN202997707U true CN202997707U (en) | 2013-06-12 |
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| CN2012207543999U Expired - Fee Related CN202997707U (en) | 2012-12-26 | 2012-12-26 | Intelligent early warning monitoring device for electrical network |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104062554A (en) * | 2014-07-16 | 2014-09-24 | 北京师范大学 | Telemetering and remote signaling power monitoring and fast fault diagnosis system |
| CN106053960A (en) * | 2016-07-07 | 2016-10-26 | 南京大贺电力科技有限公司 | Power automatic network analysis apparatus |
| CN106685074A (en) * | 2016-10-26 | 2017-05-17 | 珠海许继芝电网自动化有限公司 | System and method of commanding power supply guarantee |
| CN108808847A (en) * | 2017-04-27 | 2018-11-13 | 国网新疆电力公司塔城供电公司 | Monitoring device and distributing monitoring system |
-
2012
- 2012-12-26 CN CN2012207543999U patent/CN202997707U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104062554A (en) * | 2014-07-16 | 2014-09-24 | 北京师范大学 | Telemetering and remote signaling power monitoring and fast fault diagnosis system |
| CN106053960A (en) * | 2016-07-07 | 2016-10-26 | 南京大贺电力科技有限公司 | Power automatic network analysis apparatus |
| CN106685074A (en) * | 2016-10-26 | 2017-05-17 | 珠海许继芝电网自动化有限公司 | System and method of commanding power supply guarantee |
| CN106685074B (en) * | 2016-10-26 | 2019-07-16 | 珠海许继芝电网自动化有限公司 | A kind of electric command system of guarantor and method |
| CN108808847A (en) * | 2017-04-27 | 2018-11-13 | 国网新疆电力公司塔城供电公司 | Monitoring device and distributing monitoring system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20151226 |
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| EXPY | Termination of patent right or utility model |