CN1629647A - Intellectualized real-time on-line monitoring system for transmission line of high voltage fence - Google Patents
Intellectualized real-time on-line monitoring system for transmission line of high voltage fence Download PDFInfo
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- CN1629647A CN1629647A CNA2003101126795A CN200310112679A CN1629647A CN 1629647 A CN1629647 A CN 1629647A CN A2003101126795 A CNA2003101126795 A CN A2003101126795A CN 200310112679 A CN200310112679 A CN 200310112679A CN 1629647 A CN1629647 A CN 1629647A
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- transmission line
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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
- Y04S40/128—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 involving the use of Internet protocol
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Abstract
This invention discloses an intelligent real-time on-line monitor system for a high voltage grid transmission line covering substations, high voltage towers and transmission lines, a monitor center is set in the central control chamber, an information test system is set at the substation, a sensing array and information process system are set the pole tower, double-way communication between the control center and the substations is realized by Internet and a double-way motion communication is realized between substations and towers to constitute an information system covering whole grid.
Description
Technical field:
The invention belongs to power industry mesohigh electric power network technique field, be applied to the real time on-line monitoring of the insulating property of insulator chain on power industry association area, especially ultra-high-tension power transmission line mesohigh bar (iron) towers such as ultra-high-tension power transmission line, power station, electric substation, power transmission and distribution hinge.
Background technology:
The high-voltage fence transmission line of electricity is the high-tension high-power electric energy, and (thermal power plant, power station, nuclear power station) is transported to the electric power transport system in user location (as the city, industrial base etc.) from the power station.
Because the technical failure of the critical component of high-voltage fence transmission line of electricity, for example be used to hang insulating property deterioration, insulator chain surface contamination of the insulator chain of high voltage transmission line etc., tend to cause high-voltage fence ' tripping operation ' and even large area blackout, cause huge social influence and economic loss.The large area blackout that occurs in China northeast and North China electrical network the nineties in last century has been enough to illustrate the significance of keeping electric power netting safe running.The long-time large area blackout that occurs in the U.S., Canadian electrical network recently again more causes the shock and the concern of full criticality.
Up to now, all both at home and abroad high-voltage fence transmission line of electricity always is in the state of manual detection and maintenance.In order to guarantee the safe operation of high-voltage fence transmission line of electricity, be merely able to adopt reliability maintenance system at present, promptly utilize artificial means carry out regularly, preventative detection and attended operation.
Though reliability maintenance system is present unique available method for maintaining, but time-consuming, effort, with high costs, be difficult in time scent a hidden danger, exist human factors such as negligence, the rule of development of unpredictable accident potential, more can't forecast potential danger etc.
Simultaneously, in the face of the military attack under the state of war, as the graphite bomb of U.S. army's use, and peaceful terrorist's pernicious destruction, existing maintenance system does not have active and effective strain rate effect ability at all.With China's ' transferring electricity from the west to the east ' be representative the trunk high-voltage fence, just be in now ' in the air ' state fully.
A complete high-voltage fence comprises power station, electric substation and delivery armature knob, ultra-high-tension power transmission line three big ingredients.At present, possessed technical foundation preferably for ' real time on-line monitoring ' of first two section (being power station, electric substation and delivery armature knob), to the 3rd part, promptly ultra-high-tension power transmission line lacks the technology and equipment of ' real time on-line monitoring ' fully only.
At present situation, defective and the deficiency of high-voltage fence transmission line of electricity, the present invention proposes the intelligent real time on-line monitoring system of high-voltage fence transmission line of electricity.This system in order to the transmission line of electricity to whole electrical network, realizes intelligentized real time on-line monitoring based on sensor technology, information and mechanics of communication, computing machine and technique of internet.
Summary of the invention:
The present invention is realized by following technical proposals: the intelligent real time on-line monitoring system of high-voltage fence transmission line of electricity covers all electric substation, high pressure shaft tower and transmission lines of electricity in the electrical network.Transmission of electricity section between each electric substation has several hundred kilometers, comprises hundreds of high pressure shaft towers therebetween, and is general at a distance of hundreds of rice between each high pressure shaft tower.The feature of monitoring system is arranged in the electrical network central authorities controlling chamber full electric network ultra-high-tension power transmission line measurement and control center.Be equipped with ' operation of power networks analyzing and diagnosing software ' in this measurement and control center, it is brain of the present invention, core and headquarter; Configuration information monitoring system in each electric substation, connecting measurement and control center and information monitoring system has Internet system, and it connects into complete, two-way interaction, an intelligentized infosystem with the information monitoring system in measurement and control center and the electric substation.By the Internet, measurement and control center sends commander and steering order to the information monitoring system of all electric substations; And the information monitoring system of electric substation sends grid power transmission circuit real time on-line monitoring information by the Internet to measurement and control center.
Be provided with the digital communication system of two-way interaction multichannel between electric substation and the high pressure shaft tower, communication system machine station is located at electric substation, and handset is located on each high pressure shaft tower; In (half) of each electric substation and these electric substation both sides transmission of electricity section between all high pressure shaft tower, set up the digital communication system of a two-way interaction multichannel: promptly electric substation is to all relevant high pressure shaft towers, send monitoring instruction, to guarantee that sensor array and information handling system on the shaft tower can be according to preset program or certain priority routine co-ordinations from electric substation's internal information monitoring system.Simultaneously, according to the instruction of information monitoring system, the high pressure shaft tower transmits shaft tower information to the information monitoring system of electric substation: comprise transmission line information, sensor array and information handling system self work state information of sensor array collection etc.
Each high pressure shaft tower is provided with sensor array, information handling system, communication system handset and self-supporting power system.Described sensor array is gathered high pressure shaft tower and the technical feature of shaft tower device and the real-time online information of operation conditions in order to monitor the geometry and the physical parameter of the main devices of installing on the high pressure shaft tower.Information handling system is in order to collect, to handle and to store the useful information from sensor array; implement the self check and the protection of sensor array; so that guarantee sensor array normal, in order, trouble free service, get rid of artificial and nature (as thunder and lightning) interference and unwanted signals.At least comprise the monitoring sensor that is used for insulator chain in sensor array, it should possess the ability of bearing power frequency high voltage, operating impulse voltage and lightning impulse voltage, to guarantee the safe operation of ultra-high-tension power transmission line.This monitoring sensor is made of ironcore choke coupling mechanism, overcurrent protective device and AD transducer.
Self-supporting power system on the described high pressure shaft tower is the electromagnetic induction Blast Furnace Top Gas Recovery Turbine Unit (TRT) of an Electromagnetic Drive in essence, is made up of electromagnetic inductor, surge protector, voltage current transducer, rectifying pressurizer and Selfcharging battery.This system obtains the driving energy from the electromagnetic field of high pressure shaft tower surrounding space, through behind the voltage current transformation, provide stable DC power to the electronic installation that is installed in the high pressure shaft tower.
The present invention is a kind of large scale system engineering, implement the present invention, can realize intelligent management, comprise technical feature and real time on-line monitoring, real-time analysis and diagnosis, identification in time, prediction, warning and the organizational strength eliminating hidden danger of running status and the eliminating situation and the effect of accident and check hidden danger and accident of electrical network the transmission line of electricity of whole high-voltage fence.Ensure the safe operation of high-voltage fence transmission line of electricity, provide stable power resource to the development of the national economy.
Description of drawings:
Fig. 1 is ' grid power transmission circuit intellectuality real time on-line monitoring system ' overall work principle schematic, and wherein: 1 is that full electric network ultra-high-tension power transmission line ' measurement and control center ', 2 is that electric substation, 3 is that Internet system, 4 is that high pressure shaft tower, 5 is that two-way interaction multichannel number communication system, 6 is a ultra-high-tension power transmission line (being suspended on the below of the insulator chain of high pressure shaft tower).
Fig. 2 is digital communication system 5 principle schematic of two-way interaction multichannel, wherein: 7 for the communication system machine station (comprising antenna) of electric substation 2,8 be communication system handset (comprising antenna) on the high pressure shaft tower 4.
Fig. 3 is the electronic system synoptic diagram that is installed in the electric substation 2, and wherein: 9 is information detecting system, and 7 are the machine station (comprising antenna) of communication system,
Fig. 4 is for being installed in electronic installation synoptic diagram on the high pressure shaft tower 4, wherein: 10 is sensor array, and 11 is that information handling system, 12 is the self-supporting power system.
Fig. 5 is the synoptic diagram of the self-supporting power system 12 on the high pressure shaft tower 4, and wherein: 13 is that electromagnetic inductor, 14 is that surge protector, 15 is that voltage current transducer, 16 is that rectifying pressurizer, 17 is Selfcharging battery.
Fig. 6 is the principle schematic of the monitoring sensor of the insulator chain on the high pressure shaft tower 4, and wherein: 18 is that ironcore choke coupling mechanism, 19 is that impact damper, 20 is that overcurrent protective device, 21 is that amplifier, 22 is the AD transducer.
Embodiment:
The specific embodiment of the invention is as follows: the supporting part that mainly comprises five chief components and several necessity.The embodiment of each major part is described respectively now.
1) full electric network ultra-high-tension power transmission line measurement and control center is called for short measurement and control center 1.Be arranged in central authorities' regulation and control of high-voltage fence transmission system.
● measurement and control center 1 comprises microcomputer, electric network information database and ' operation of power networks analyzing and diagnosing software ' three major part is formed.Wherein, microcomputer and electric network information database can utilize conventional technology and equipment, and in addition meticulous again design and being provided with just can realize.
● the basis of ' operation of power networks analyzing and diagnosing software ' is the mathematical model of a kind of ' can accurate description full electric network ultra-high-tension power transmission line technical feature and running status '.
● the effect of this measurement and control center 1 is:
Collect, merge, handle and store from each electric substation 2, about the full detail of the technical feature and the operation conditions of full electric network ultra-high-tension power transmission line; Comprise long-term information and current information, and Changing Pattern of various relevant technologies parameters, pace of change, variation tendency etc.
Utilize mathematical model, full detail is analyzed, merges, compared and calculates, provide the diagnosis and the hidden danger prediction of the technical feature and the operation conditions of full electric network ultra-high-tension power transmission line, and emphasis high pressure stem tower 4 and emphasis device are carried out the instruction that duplicate detection and verification of data and issue are carried out emphasis and preferential detection in good time;
Issue hidden danger and accident alarm, commander detects and maintenance; The maintenance and inspection effect is removed hidden danger and accident alarm etc.
● ' the operation of power networks analyzing and diagnosing software ' of measurement and control center 1, should possess ' ability of self-teaching ', promptly can be according to the total data of system's long-time running, the function of intelligently self-adjustment, improvement and sophisticated systems.
● being installed in the information detecting system 9 in the electric substation 2, is ' branch of the subordinate ' device at electric network measuring and controlling center 1, and it cooperates with 1 division of labor of electric network measuring and controlling center, respectively executes its duty.The formation of information detecting system 9 and function and electric network measuring and controlling center 1 are that scale is less roughly the same, and function is more single, and coverage has only each half transmission of electricity section of electric substation 2 both sides.
2) Internet system 3, can utilize the technology and the device of general networks.
3) the digital communication system 5 of two-way interaction multichannel,
● the basic functional principle of the digital communication system 5 of two-way interaction multichannel and traditional ' mobile communcations system roughly the same, main difference has:
These communication system 5 scales are less, are generally less than 1000 with the number of handset 12 on the high pressure shaft tower 4 that communication system machine station 7 in the transformer station 2 cooperates (be equivalent to electric substation 2 both sides transmit electricity for each half the numbers of the high pressure shaft tower 4 in the section);
Communication distance is bigger, is about 100-150 kilometer (length that is equivalent to half transmission of electricity in electric substation 2 both sides section);
Content of communciation is a data transmission;
● based on above-described main difference, the principle of design of the digital communication system 5 of two-way interaction multichannel of the present invention is:
Machine station 7 in each electric substation 2 needs bigger emissive power;
Machine station 7 and the handset 12 on the high pressure shaft tower in the electric substation 2 all adopt directional antenna (as Yagi antenna, linear array antenna or Yagi spark gap array antenna), controlling antenna wave beam to point transmission line of electricity direction, and wave beam is narrower, and higher directivity factor is arranged.
Adopt digital communication modes;
4) sensor array 10 and information handling system 11
● sensor array 10
According to the needs of electric power netting safe running, in sensor array 10, should comprise the sensor of multiple difference in functionality, such as physical parameter (comprising electric parameter) sensor, geometric parameter sensor etc.But the insulator chain insulating property monitoring sensor that wherein must comprise high pressure shaft tower 4.Its main cause is: the recessive defective of insulator chain, material aging, stress raisers, expand with heat and contract with cold, add numerous procatarxis such as serious environmental pollution day by day, will cause insulator chain the insulating property deterioration, aging, damage until unexpected collapse, so that cause the catastrophic effect of high pressure transmission line Flash network, tripping operation and even the paralysis of integral high pressure electrical network.
● this monitoring sensor of insulator chain insulating property detecting sensor is made up of ironcore choke coupling mechanism 18, impact damper 19, overcurrent protective device 20, amplifier 21, AD transducer 22 and Selfcharging battery 17 etc.
Except must be operate as normal under the extra-high pressure, sensor also must possess the various improper high-voltage pulses ability of (comprising operating impulse voltage, lightning impulse voltage etc.) of bearing;
Sensor should possess self-checking capability, is equipped with the redundant spare part of Sensitive Apparatus and possesses automatic switching capabilities.
● information handling system 11
The information handling system 11 that is installed on the high pressure shaft tower 4 is made of parts such as single-chip microcomputer, reservoir, scramblers.The principle of work of information handling system 11 is conventional, but should carry out well-designed and making according to particular requirement of the present invention.
5) self-supporting power system 12
Be installed in the self-supporting power system 12 of high pressure shaft tower 4, be ' the electromagnetic induction Blast Furnace Top Gas Recovery Turbine Unit (TRT) ' of an Electromagnetic Drive in essence, it obtains the driving energy from the electromagnetic field of high pressure shaft tower 4 surrounding spaces, behind voltage current transformation and rectifying and voltage-stabilizing, provide stable DC power to other electronic installations that are installed on the high pressure shaft tower 4.Principle of work as shown in Figure 6.
The effect of Selfcharging battery 17 is: when high-voltage fence tripping operation or damage, self-supporting power system 12 can't obtain from external electromagnetic field when driving energy, keeps power supply automatically with Selfcharging battery 17 and continues power supply, recovers normally until network operation.
Claims (7)
1. the intelligent real time on-line monitoring system of high-voltage fence transmission line of electricity, comprise electric substation 2, high pressure shaft tower 4 and ultra-high-tension power transmission line 6, it is characterized in that configuration information monitoring system 9 in each electric substation 2, each high pressure shaft tower 4 is provided with sensor array 10 and information handling system 11, has communication system 5 to connect the information handling system 11 of information monitoring system 9 with the high pressure shaft tower 4 of electric substation 2.
2. the intelligent real time on-line monitoring system of high-voltage fence transmission line of electricity according to claim 1, the original central controlling chamber of the described high-voltage fence transmission system of its feature can be provided with measurement and control center 1 in this central authorities' controlling chamber.
3. as the intelligent real time on-line monitoring system of high-voltage fence transmission line of electricity as described in the claim 1,2, it is characterized in that available Internet system 3 connects the information monitoring system 9 of measurement and control centers 1 and electric substation 2.
4. the intelligent real time on-line monitoring system of high-voltage fence transmission line of electricity according to claim 1 is characterized in that comprising at least in the described sensor array 10 monitoring sensor of insulator chain.
5. the intelligent real time on-line monitoring system of high-voltage fence transmission line of electricity according to claim 1, its feature are that described high pressure shaft tower 4 upper sensor arrays 10 and information handling system 11 can be with 12 power supplies of self-supporting power system.
6. as the intelligent real time on-line monitoring system of high-voltage fence transmission line of electricity as described in the claim 5; it is characterized in that described self-supporting power system 12 is by electromagnetic inductor 13; surge protector 14, voltage current transducer 15, rectifying pressurizer 16 and Selfcharging battery 17 are formed.
7. as the intelligent real time on-line monitoring system of high-voltage fence transmission line of electricity as described in the claim 5,6, the driving energy that it is characterized in that described self-supporting power system 12 is taken from the electromagnetic field in high pressure shaft tower 4 surrounding spaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2003101126795A CN1629647A (en) | 2003-12-16 | 2003-12-16 | Intellectualized real-time on-line monitoring system for transmission line of high voltage fence |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2003101126795A CN1629647A (en) | 2003-12-16 | 2003-12-16 | Intellectualized real-time on-line monitoring system for transmission line of high voltage fence |
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| CN1629647A true CN1629647A (en) | 2005-06-22 |
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| CNA2003101126795A Pending CN1629647A (en) | 2003-12-16 | 2003-12-16 | Intellectualized real-time on-line monitoring system for transmission line of high voltage fence |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102075012A (en) * | 2010-10-25 | 2011-05-25 | 南京南瑞继保电气有限公司 | Logical verification system of automatic device as well as testing method |
| CN102313856A (en) * | 2010-06-30 | 2012-01-11 | 北京泰优美科技有限责任公司 | Intelligent 10kV power line state sensor |
| CN101719695B (en) * | 2009-12-24 | 2012-03-28 | 中国电力科学研究院 | Method for discriminating requirements of ultra-high voltage (UHV) line steady-state overvoltage device |
| CN103645397A (en) * | 2013-11-26 | 2014-03-19 | 武汉艾尔通电气有限公司 | High-voltage equipment online monitoring system and method |
-
2003
- 2003-12-16 CN CNA2003101126795A patent/CN1629647A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101719695B (en) * | 2009-12-24 | 2012-03-28 | 中国电力科学研究院 | Method for discriminating requirements of ultra-high voltage (UHV) line steady-state overvoltage device |
| CN102313856A (en) * | 2010-06-30 | 2012-01-11 | 北京泰优美科技有限责任公司 | Intelligent 10kV power line state sensor |
| CN102313856B (en) * | 2010-06-30 | 2013-09-25 | 北京泰优美科技有限责任公司 | Intelligent 10kV power line state sensor |
| CN102075012A (en) * | 2010-10-25 | 2011-05-25 | 南京南瑞继保电气有限公司 | Logical verification system of automatic device as well as testing method |
| CN103645397A (en) * | 2013-11-26 | 2014-03-19 | 武汉艾尔通电气有限公司 | High-voltage equipment online monitoring system and method |
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