CN202735437U - Electromagnetic environment test platform for high-altitude extra-high voltage transmission line - Google Patents
Electromagnetic environment test platform for high-altitude extra-high voltage transmission line Download PDFInfo
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- CN202735437U CN202735437U CN 201220367000 CN201220367000U CN202735437U CN 202735437 U CN202735437 U CN 202735437U CN 201220367000 CN201220367000 CN 201220367000 CN 201220367000 U CN201220367000 U CN 201220367000U CN 202735437 U CN202735437 U CN 202735437U
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Abstract
High-altitude extra-high voltage transmission line electromagnetic environment test platform, the utility model discloses operate in height above sea level 1900 ~ 2200m area, include: the device comprises a dimension-adjustable line test section hung on a true +/-800 kV extra-high voltage direct-current transmission iron tower in a test field, a dimension-adjustable line test section (2) hung on a true 1000kV extra-high voltage alternating-current transmission iron tower, a direct-current power supply (3) and an alternating-current power supply (4) which can run for a long time, a noise measuring instrument (11), a meteorological workstation (12), a radio interference measuring instrument (13), an ion current density measuring instrument (14) and a synthetic field intensity measuring instrument (15) which are fixedly arranged on the ground of the test field, an expandable measuring area (17) reserved in the test field, a corona current measuring instrument (23) arranged on a wave trap (16) of a direct-current line test section lead (9-A), and a monitoring server. The utility model has the advantages of all-weather operation, incessant monitoring, multi-parameter combination, measurement parameter can be extended etc.
Description
Technical field
The utility model belongs to electric power transmission line correlative study technical field, is particularly useful for the research of transmission line of electricity electromagnetic environment parameter.
Background technology
China's energy is unbecoming with the load distributed pole, and coal, water energy, wind energy are distributed in northwest and southwest more, and load center concentrates on east and Southern Coast zone, and long-distance and large-capacity power transmission is the main path that addresses this problem.Follow the fast development of national economy, electricity needs is doubled and redoubled, and the alternating current-direct current EHV transmission can not satisfy the transmission of electric load, and when referring more particularly to remote, large capacity, the superiority of extra-high voltage alternating current-direct current transmission of electricity grade highlights day by day.For increasing transmission capacity and distance, existing part circuit has adopted the power transmission mode of extra-high-voltage alternating current or direct current at present.
Corona phenomenon is High Voltage Transmission Line Engineering design, construction and the key technical problem that needs consideration in service, and along with the operation power grade is developed to extra-high voltage by UHV (ultra-high voltage), the research of this problem highlights its importance more.Line corona is after the conductive line surfaces electric potential gradient surpasses certain critical value, causes a kind of luminous electric discharge phenomena that the ionization of wire ambient air produces.On the one hand, corona causes electric energy loss (CL) can increase Transmission Cost; On the other hand, radio interference, audible noise, total electric field and the space ion current of corona generation can affect peripheral electromagnetic environment.Along with the development of economy and the enhancing of common people's environmental consciousness, the electromagnetic environment problem is further noticeable.The parameters such as the corona of high pressure, extra high voltage network and relevant radio interference (RI) thereof, audible noise (AN) and formate field intensity (Es), ground ion flow density (Js) have become the main restricting factor of system and operation.In UHV Transmission Engineering, because electric pressure improves, the electromagnetic environment problem is more outstanding.
China puts into operation, at many direct current ± 800kV that build or plan, exchanging the 1000kV UHV transmission line will be through the high altitude localities, there are significant difference in the corona characteristic of transmission line of electricity and associated electromagnetic environmental effects with near the sea level circuit.High altitude localities atmospheric density is low, and the electronics free travel increases, and the energy of electron accumulation increases in free travel, and the probability that ionization occurs behind the colliding molecule increases thereupon, also easier generation of discharge.Therefore, the Corona Discharge of HV Transmission Lines phenomenon of high altitude localities is even more serious, and the electromagnetic environmental effects problem that corona discharge produces is more serious.
Research high altitude localities UHV transmission line corona characteristic and electromagnetic environment impact have outstanding engineering practical value and theory significance, the not only directly Engineering Service for having put into operation or built, perspective service can also be provided for the research of successive projects, effectively fill up the blank of high height above sea level UHV transmission line electromagnetic environment research.Based on this, the present invention proposes high height above sea level UHV transmission line measurement of electromagnetic environment platform.
Summary of the invention
Because the Corona Discharge of HV Transmission Lines phenomenon of high altitude localities is even more serious, the electromagnetic environmental effects problem that corona discharge produces is more serious, for effectively filling up the blank of high height above sea level UHV transmission line electromagnetic environment research, and serve put into operation, the UHV Transmission Engineering in building even planning, the spy has proposed to be used for high altitude localities UHV transmission line electromagnetic environment measurement research platform, and be achieved by technological means, effectively to address the above problem.
The utility model is realized by following technical proposal.
1, high height above sea level UHV transmission line measurement of electromagnetic environment platform is characterized in that:
1) whole test platform runs on height above sea level 1900～2200m area, comprise: the dimension adjustable road test section that the true type in the checkout area sky ± 800kV extra-high voltage direct-current transmission steel tower hangs, the dimension adjustable road test section that true type 1000kV ultra-high voltage AC transmission steel tower hangs, but the direct supply of long-time running, AC power, but the noise measuring set of checkout area ground fixed configurations long-time running, the meteorological work station, radio interference measuring instrument, the ion flow density measurement instrument, the formate field intensity measuring instrument, the measured zone expanded of reserving in the checkout area, the corona current measuring instrument of installing on the trap of DC line test section wire, and monitoring server;
2) the dimension adjustable road test section of true type ± 800kV extra-high voltage direct-current transmission steel tower suspension comprises: the DC line insulator that the V-type of true type ± 800kV extra-high voltage direct-current transmission steel tower, DC experiment line segment wire, connection steel tower and DC experiment line segment wire hangs, the lightning conducter that arranges at true type ± 800kV extra-high voltage direct-current transmission steel tower top, the direct supply that is connected with DC experiment line segment wire;
3) the dimension adjustable road test section of true type 1000kV ultra-high voltage AC transmission steel tower suspension comprises: the alternating current circuit insulator that the V-type of true type 1000kV ultra-high voltage AC transmission steel tower, ac test line segment wire, connection steel tower and ac test line segment wire hangs, the lightning conducter that arranges at true type 1000kV ultra-high voltage AC transmission steel tower top, the AC power that is connected with ac test line segment wire;
4) noise measuring set, meteorological work station, ion flow density measurement instrument, formate field intensity measuring instrument are connected with monitoring server by signal cable respectively; Radio interference measuring instrument is connected with monitoring server by netting twine; The corona current measuring instrument is connected with monitoring server by wireless transmit terminal or netting twine; AC power voltage divider, direct supply voltage divider are connected with monitoring server by netting twine respectively; The monitoring equipment of setting up in the measured zone expanded of reserving is connected with monitoring server by netting twine or signal cable.Monitoring server passes through parallel independently mode Real Time Monitoring: AC supply voltage, direct supply voltage, the environmental parameter of meteorological work station issue, and electromagnetic parameter: the noise data that noise measuring set is measured; The radio interference data that radio interference measuring instrument is measured; The ion current density data that the ion flow density measurement instrument is measured; The formate field intensity data that the formate field intensity measuring instrument is measured; The corona current data that DC line test section corona current measuring instrument is measured.
The beneficial effects of the utility model are, have round-the-clock running, uninterrupted monitoring, Multi-parameter Combined Tool, measurement parameter and the remarkable advantage such as can expand.
Further set forth the utility model content below in conjunction with accompanying drawing and example.
Description of drawings
Fig. 1 is the test platform overall schematic;
Fig. 2 is measurement parameter AM/BAM communication structure synoptic diagram.Among the figure: 1, the dimension adjustable road test section of true type ± 800kV extra-high voltage direct-current transmission steel tower suspension; 2, the dimension adjustable road test section of true type 1000kV ultra-high voltage AC transmission steel tower suspension; 3, direct supply; 4, AC power; 5, true type ± 800kV extra-high voltage direct-current transmission steel tower; 6, true type 1000kV ultra-high voltage AC transmission steel tower; 7, DC line insulator; 8, alternating current circuit insulator; 9-A, DC line test section wire; 9-B, ac test line segment wire; 10-A, lightning conducter; 10-B, lightning conducter; 11, noise measuring set; 12, meteorological work station; 13, radio interference measuring instrument; 14, ion flow density measurement instrument; 15, formate field intensity measuring instrument; 16, trap; 17, can expand measured zone; 18, communication network winding thread; 19, fence; 20, AC power voltage divider; 21, direct supply voltage divider; 22, netting twine; 23, corona current measuring instrument; 24, wireless transmit terminal; 25, wireless transmit terminal; 26, signal cable; 27, monitoring server.
Embodiment
See Fig. 1, Fig. 2,1, high height above sea level UHV transmission line measurement of electromagnetic environment platform, it is characterized in that:
(1) whole test platform runs on height above sea level 1900～2200m area, comprise: the dimension adjustable road test section 1 that the true type in the checkout area sky ± 800kV extra-high voltage direct-current transmission steel tower hangs, the dimension adjustable road test section 2 that true type 1000kV ultra-high voltage AC transmission steel tower hangs, but the direct supply 3 of long-time running, AC power 4, but the noise measuring set 11 of checkout area ground fixed configurations long-time running, meteorological work station 12, radio interference measuring instrument 13, ion flow density measurement instrument 14, formate field intensity measuring instrument 15, the measured zone expanded 17 of reserving in the checkout area, the corona current measuring instrument 23 of installing on the trap 16 of DC line test section wire 9-A, and monitoring server 27;
(2) the dimension adjustable road test section 1 of true type ± 800kV extra-high voltage direct-current transmission steel tower suspension comprises: the DC line insulator 7 that the V-type of true type ± 800kV extra-high voltage direct-current transmission steel tower 5, DC experiment line segment wire 9-A, connection steel tower 5 and DC experiment line segment wire 9-A hangs, the lightning conducter 10-A that arranges at true type ± 800kV extra-high voltage direct-current transmission steel tower 5 tops, the direct supply 3 that is connected with DC experiment line segment wire 9-A;
(3) the dimension adjustable road test section 2 of true type 1000kV ultra-high voltage AC transmission steel tower suspension comprises: the alternating current circuit insulator 8 that the V-type of true type 1000kV ultra-high voltage AC transmission steel tower 6, ac test line segment wire 9-B, connection steel tower 6 and ac test line segment wire 9-B hangs, the lightning conducter 10-B that arranges at true type 1000kV ultra-high voltage AC transmission steel tower 6 tops, the AC power 4 that is connected with ac test line segment wire 9-B;
(4) noise measuring set 11, meteorological work station 12, ion flow density measurement instrument 14, formate field intensity measuring instrument 15 are connected with monitoring server 27 by signal cable 26 respectively; Radio interference measuring instrument 13 is connected with monitoring server 27 by netting twine 22; Corona current measuring instrument 23 by wireless transmit terminal 24,25 or netting twine 22 be connected with monitoring server 27; AC power voltage divider 20, direct supply voltage divider 21 are connected with monitoring server 27 by netting twine 22 respectively; The monitoring equipment of setting up in the measured zone expanded 17 of reserving is connected with monitoring server 27 by netting twine 22 or signal cable 26.Monitoring server passes through parallel independently mode Real Time Monitoring: AC supply voltage, direct supply voltage, the environmental parameter of meteorological work station issue, and electromagnetic parameter: the noise data that noise measuring set is measured; The radio interference data that radio interference measuring instrument is measured; The ion current density data that the ion flow density measurement instrument is measured; The formate field intensity data that the formate field intensity measuring instrument is measured; The corona current data that DC line test section corona current measuring instrument is measured.
See Fig. 1, the figure shows the test platform overall schematic.DC line insulator 7, DC experiment line segment wire 9-A that the dimension adjustable road test section 1 that true type among the figure ± 800kV extra-high voltage direct-current transmission steel tower hangs is hung by true type ± 800kV extra-high voltage direct-current transmission steel tower 5, V-type consist of, the angle adjustment of the insulator 7 that hangs by V-type can realize that the distance to the ground of wire 9-A and wire pitch change, be equiped with lightning conducter 10-A at true type ± 800kV extra-high voltage direct-current transmission steel tower 5 tops, dimension adjustable road test section 1 power supply that direct supply 3 hangs for true type ± 800kV extra-high voltage direct-current transmission steel tower;
The dimension adjustable road test section 2 that true type 1000kV ultra-high voltage AC transmission steel tower hangs is made of alternating current circuit insulator 8, the ac test line segment wire 9-B that true type 1000kV ultra-high voltage AC transmission steel tower 6, V-type hang, the angle adjustment of the insulator 8 that hangs by V-type can realize that the distance to the ground of wire 9-B and wire pitch change, be equiped with lightning conducter 10-B at true type 1000kV ultra-high voltage AC transmission steel tower 6 tops, dimension adjustable road test section 2 power supplies that AC power 4 hangs for true type 1000kV ultra-high voltage AC transmission steel tower.
The measured zone expanded 17 that the checkout area ground, dimension adjustable road test section 2 below that the dimension adjustable road test section 1 that hangs in true type ± 800kV extra-high voltage direct-current transmission steel tower and true type 1000kV ultra-high voltage AC transmission steel tower hang is provided with noise measuring set 11, meteorological work station 12, radio interference measuring instrument 13, ion flow density measurement instrument 14, formate field intensity measuring instrument 15 and reserves.For effectively guaranteeing the equivalence of all types of measurement parameters and true long distance line, at dimension adjustable road test section 1 leading-out terminal that hangs at true type ± 800kV extra-high voltage direct-current transmission steel tower trap 16 is set especially, and has arranged corona current measuring instrument 23 thereon.Be connected by communication network winding thread 18 between in-site measurement instrument and the background server.19 is the fence of test zone.
See Fig. 2, the figure shows measurement parameter AM/BAM communication structure synoptic diagram.27 are background server among the figure: the working voltage monitor value of the dimension adjustable road test section 2 that the dimension adjustable road test section 1 that true type ± 800kV extra-high voltage direct-current transmission steel tower hangs and true type 1000kV ultra-high voltage AC transmission steel tower hang is measured by divider 21, AC potentiometer 20 respectively, and realizes the AM/BAM communication through netting twine 22; Be arranged at the corona current measuring instrument 23 on the DC experiment line segment 1 leading-out terminal trap 16, the measurement data of obtaining is transferred to receiving terminal 25 by wireless network from launch terminal 24, and realize the AM/BAM communication via netting twine 22; The noise measuring set 11 of site layout project, meteorological work station 12, radio interference measuring instrument 13, ion flow density measurement instrument 14 and formate field intensity measuring instrument 15 are realized the AM/BAM communication by netting twine 22 or signal cable 26.Background monitoring server 27 is by the AC supply voltage of parallel independently mode Real Time Monitoring AC potentiometer 20, the direct supply voltage of divider 21, the environmental parameter at meteorological work station 12, and the electromagnetic parameter that obtains of noise measuring set 11, radio interference measuring instrument 13, ion flow density measurement instrument 14, formate field intensity measuring instrument 15, corona current measuring instrument 23.
Claims (1)
1. high height above sea level UHV transmission line measurement of electromagnetic environment platform is characterized in that:
1) whole test platform runs on height above sea level 1900～2200m area, comprise: the dimension adjustable road test section (1) that the true type in the checkout area sky ± 800kV extra-high voltage direct-current transmission steel tower hangs, the dimension adjustable road test section (2) that true type 1000kV ultra-high voltage AC transmission steel tower hangs, but the direct supply of long-time running (3), AC power (4), but the noise measuring set (11) of checkout area ground fixed configurations long-time running, meteorological work station (12), radio interference measuring instrument (13), ion flow density measurement instrument (14), formate field intensity measuring instrument (15), the measured zone expanded (17) of reserving in the checkout area, the upper corona current measuring instrument (23) of installing of the trap (16) of DC line test section wire (9-A), and monitoring server (27);
2) the dimension adjustable road test section (1) of true type ± 800kV extra-high voltage direct-current transmission steel tower suspension comprises: the DC line insulator (7) that the V-type of true type ± 800kV extra-high voltage direct-current transmission steel tower (5), DC experiment line segment wire (9-A), connection steel tower (5) and DC experiment line segment wire wire (9-A) hangs, the lightning conducter (10-A) that arranges at true type ± 800kV extra-high voltage direct-current transmission steel tower (5) top, the direct supply (3) that is connected with DC experiment line segment wire (9-A);
3) the dimension adjustable road test section (2) of true type 1000kV ultra-high voltage AC transmission steel tower suspension comprises: the alternating current circuit insulator (8) that the V-type of true type 1000kV ultra-high voltage AC transmission steel tower (6), ac test line segment wire (9-B), connection steel tower (6) and ac test line segment wire wire (9-B) hangs, the lightning conducter (10-B) that arranges at true type 1000kV ultra-high voltage AC transmission steel tower (6) top, the AC power (4) that is connected with ac test line segment wire (9-B);
4) noise measuring set (11), meteorological work station (12), ion flow density measurement instrument (14), formate field intensity measuring instrument (15) are connected with monitoring server (27) by signal cable (26) respectively; Radio interference measuring instrument (13) is connected with monitoring server (27) by netting twine (22); Corona current measuring instrument (23) is connected with monitoring server (27) by wireless transmit terminal (24,25) or netting twine (22); AC power voltage divider (20), direct supply voltage divider (21) are connected with monitoring server (27) by netting twine (22) respectively; The monitoring equipment of setting up in the measured zone expanded (17) of reserving is connected with monitoring server (27) by netting twine (22) or signal cable (26).
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335673A (en) * | 2013-06-14 | 2013-10-02 | 武汉瑞莱保能源技术有限公司 | Zigbee-based multi-channel electromagnetic environment monitoring device |
| CN108761274A (en) * | 2018-05-28 | 2018-11-06 | 国网河南省电力公司电力科学研究院 | Extra-high voltage alternating current-direct current parallel powerline electromagnetic environment continuous monitoring trolley |
| CN108801344A (en) * | 2018-05-28 | 2018-11-13 | 国网河南省电力公司电力科学研究院 | Extra-high voltage alternating current-direct current parallel powerline electromagnetic environment continuous monitoring system |
| CN108828331A (en) * | 2018-05-28 | 2018-11-16 | 国网河南省电力公司电力科学研究院 | Extra-high voltage alternating current-direct current parallel powerline electromagnetic environment continuous monitoring method |
| CN109387755A (en) * | 2018-12-12 | 2019-02-26 | 国网山东省电力公司电力科学研究院 | A kind of high voltage direct current corona discharge characteristic experimental apparatus system |
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| CN114910118A (en) * | 2021-11-17 | 2022-08-16 | 中国电力科学研究院有限公司 | Method and system for observing electromagnetic environment of alternating-current transmission line |
-
2012
- 2012-07-26 CN CN 201220367000 patent/CN202735437U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335673A (en) * | 2013-06-14 | 2013-10-02 | 武汉瑞莱保能源技术有限公司 | Zigbee-based multi-channel electromagnetic environment monitoring device |
| CN108761274A (en) * | 2018-05-28 | 2018-11-06 | 国网河南省电力公司电力科学研究院 | Extra-high voltage alternating current-direct current parallel powerline electromagnetic environment continuous monitoring trolley |
| CN108801344A (en) * | 2018-05-28 | 2018-11-13 | 国网河南省电力公司电力科学研究院 | Extra-high voltage alternating current-direct current parallel powerline electromagnetic environment continuous monitoring system |
| CN108828331A (en) * | 2018-05-28 | 2018-11-16 | 国网河南省电力公司电力科学研究院 | Extra-high voltage alternating current-direct current parallel powerline electromagnetic environment continuous monitoring method |
| CN109387755A (en) * | 2018-12-12 | 2019-02-26 | 国网山东省电力公司电力科学研究院 | A kind of high voltage direct current corona discharge characteristic experimental apparatus system |
| CN111865454A (en) * | 2020-07-01 | 2020-10-30 | 博流智能科技（南京）有限公司 | Anti-electromagnetic wave interference WiFi communication system and communication method |
| CN111865454B (en) * | 2020-07-01 | 2022-07-22 | 博流智能科技（南京）有限公司 | Anti-electromagnetic wave interference WiFi communication system and communication method |
| CN114910118A (en) * | 2021-11-17 | 2022-08-16 | 中国电力科学研究院有限公司 | Method and system for observing electromagnetic environment of alternating-current transmission line |
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