CN113412040B - Radiation band high-energy electron settlement method based on power grid architecture - Google Patents
Radiation band high-energy electron settlement method based on power grid architecture Download PDFInfo
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Abstract
The invention discloses a radiation band high-energy electron settlement method based on a power grid framework, wherein the method comprises the following steps: generating electromagnetic waves in a preset range through an electromagnetic radiation emission system based on a power grid architecture; electromagnetic waves are transmitted to a radiation band and generate wave particle cyclotron resonance with high-energy electrons at a specific energy level of the radiation band; after the high-energy electrons and the electromagnetic waves have the cyclotron resonance effect, the throwing angle is smaller than the equatorial loss cone angle determined by the number of the magnetic shells, and the throwing angle is settled into the atmosphere. Therefore, the emission system does not need to be rebuilt, only the original power grid framework needs to be improved, 2-5 kHz electromagnetic waves entering a radiation band can enable high-energy electrons resonating with the electromagnetic waves to sink into the atmosphere, and the nT-magnitude 2-5 kHz electromagnetic waves can not generate non-negligible influence on a ground system.
Description
Technical Field
The invention relates to the technical field of electromagnetic waves, in particular to a radiation band high-energy electron settlement method based on a power grid framework.
Background
High-energy electrons in the near-earth space radiation zone, acting as a "satellite killer," can cause civil and military communication systems, weather forecasting systems, satellite imaging systems, and some space facilities used for scientific research to be paralyzed, even endangering the health and life of astronauts. Moreover, they can also influence the normal operation of the ground power grid and oil pipelines through geomagnetic induction current. How to control the movement of high-energy electrons in a radiation band to make the high-energy electrons sink from the radiation band to an atmosphere so as to improve the electromagnetic environment of the radiation band is a problem to be solved.
At present, the idea of controlling the movement of high-energy electrons of a radiation band abroad is mainly that the ultra-low frequency/ultra-low frequency whistle sound waves are transmitted into a magnetic layer along a geomagnetic field, and the magnetic layer and the high-energy electrons of the radiation band generate a wave-particle cyclotron resonance effect, so that the high-energy electrons of the radiation band are settled. There are two main methods of generating very low frequency/very low frequency whistle waves: the first method is that a satellite is used to directly generate a very low frequency/very low frequency whistle wave with power of several kilowatts and frequency of several kilohertz in the air; second method, high-power high-frequency transmission through artificial groundStation systems, e.g.
The Arecobo, the HIPAS, the Jecamaca, the HAARP, the NWC and the like emit electric waves to heat the ionized layer, so that the conductivity tensor of the ionized layer is changed, extremely low frequency/very low frequency oscillation current is induced and generated, and corresponding electromagnetic waves are generated, namely, the ionized layer is heated and modulated to generate extremely low frequency/very low frequency whistle waves.
The first method has the disadvantage of poor feasibility, and currently, the method still stays in the imagination stage abroad; the second method has the disadvantages that a large amount of manpower and material resources are consumed due to the need of constructing a high-power transmitting station system, and in the process of transmitting high-power radiation waves from the earth surface to the ionosphere and the magnetic layer, other negative effects such as ozone layer burning, earthquake, tsunami, torrential rain, torrential flood, mountain torrent and other natural disasters are induced to the near-earth space and the earth surface, and the health of human bodies is influenced. According to published data, the research of China in the field is mainly related theoretical research, and the ionosphere heating modulation phenomenon caused by foreign transmitting stations is researched by using published satellite detection data.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.
Therefore, the invention aims to provide a radiation band high-energy electron settling method based on a power grid framework, and the radiation band high-energy electron settling method can settle radiation band high-energy electrons into the atmosphere without rebuilding an emission system.
In order to achieve the above object, an embodiment of the present invention provides a method for settling radiation band high-energy electrons based on a power grid architecture, including:
generating electromagnetic waves in a preset range through an electromagnetic radiation emission system based on a power grid architecture;
electromagnetic waves are transmitted to a radiation band and generate wave particle cyclotron resonance with high-energy electrons at a specific energy level of the radiation band;
after the high-energy electrons and the electromagnetic waves have the cyclotron resonance effect, the throwing angle is smaller than the equatorial loss cone angle determined by the number of the magnetic shells, and the throwing angle is settled into the atmosphere.
According to the radiation band high-energy electron settlement method based on the power grid architecture, a transmitting system does not need to be rebuilt, and only the original power grid architecture needs to be improved; the 2-5 kHz electromagnetic wave entering the radiation band can enable high-energy electrons which resonate with the electromagnetic wave to settle into the atmosphere, and the 2-5 kHz electromagnetic wave which is lower than nT magnitude cannot generate non-negligible influence on a ground system.
In addition, the radiation band high-energy electron settling method based on the power grid architecture according to the above embodiment of the present invention may further have the following additional technical features:
further, in an embodiment of the present invention, the predetermined range of the electromagnetic wave is 2 to 5 kHz.
Further, in one embodiment of the invention, the electromagnetic radiation emitting system generates mA current with frequency of 2-5 kHz, magnetic induction intensity generated at 1m around is lower than nT, and the length of the transmission line is at least 25 km.
Further, in an embodiment of the present invention, the conditions for the electromagnetic wave and the radiation band high-energy electrons to generate the wave-particle cyclotron resonance are as follows:
where ω ═ 2 π f is the angular frequency of the electromagnetic wave, and f is the frequency of the electromagnetic wave; k is a radical of//、v//The wave number and wave speed parallel to the direction of the geomagnetic field, n is resonance harmonic number, and is integer omegae＝e|B0|/mec is the high energy electron cyclotron frequency, B0Is the intensity of the earth magnetic field, e is the electronic electric quantity, meFor electron mass, c is the speed of light.
Further, in an embodiment of the present invention, the power grid architecture includes a substation and a power transmission line, and the electromagnetic radiation emission system is disposed in the power grid architecture;
the electromagnetic radiation emitting system comprises an AC/AC converter or a DC/AC converter, a voltage/current converter, a filter and a coupling capacitor; the AC/AC converter is suitable for an alternating current power grid, and the DC/AC converter is suitable for a direct current power grid.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a flow chart of a method for settling radiation band high-energy electrons based on a power grid architecture according to an embodiment of the invention;
FIG. 2 is a block diagram of an electromagnetic radiation emission system based on a grid architecture, according to one embodiment of the present invention;
FIG. 3 is a schematic diagram of the energy flux density path for electromagnetic wave propagation according to one embodiment of the present invention;
FIG. 4 is a schematic diagram of the movement of energetic electrons along the earth-magnetic field lines, in accordance with one embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
The radiation band high-energy electron settling method based on the power grid architecture is described with reference to the attached drawings.
According to foreign documents, harmonic radiation generated by a power grid can be transmitted to a near-earth space (a space spherical shell-shaped area which is 1.015-6.6 times of the earth radius away from the earth center). The method is provided based on electromagnetic radiation and effect within the range of 2-5 kHz generated by a power grid in China, which are detected by a DEETER satellite (660 km away from the ground surface) in the French space research center in the near-earth space of China. Firstly, the radiation of the frequency band exists in the near-earth space of China; secondly, they do not produce unacceptable interference to various electromagnetic systems on the ground, i.e. are considered to meet the ground electromagnetic compatibility standard; finally, these radiations can travel back and forth between the north and south magnetic conjugate regions of the earth.
Fig. 1 is a flow chart of a method for settling radiant band high-energy electrons based on a power grid architecture according to an embodiment of the invention.
As shown in fig. 1, the method for settling the radiation band high-energy electrons based on the power grid architecture comprises the following steps:
and step S1, generating electromagnetic waves in a preset range through the electromagnetic radiation emission system based on the power grid architecture.
Optionally, in some embodiments, the predetermined range of the electromagnetic wave is 2 to 5 kHz.
The power grid architecture comprises a transformer substation and a power transmission line, and an electromagnetic radiation emission system is arranged in the power grid architecture;
the electromagnetic radiation emitting system comprises an AC/AC converter or a DC/AC converter, a voltage/current converter, a filter and a coupling capacitor; the AC/AC converter is suitable for an alternating current power grid, and the DC/AC converter is suitable for a direct current power grid.
A transmitting system for generating electromagnetic radiation in a range of 2-5 kHz based on a power grid architecture (including a transformer substation and a power transmission line or a power line) is shown in FIG. 2. In fig. 2, the upper diagram applies to an ac grid and the lower diagram applies to a dc grid. Wherein:
the power transmission line: the current transmission device is used for transmitting 2-5 kHz extremely weak current, the current is in a mA magnitude order or below, and the harmonic current standard of a power grid is met;
a wave trap: the parallel resonant circuit consists of an inductor and an adjustable capacitor and is used for limiting 2-5 kHz extremely-weak current in a power transmission line between wave traps on two sides without influencing normal transmission of power frequency current;
AC/AC converter: converting 50Hz alternating current voltage into 2-5 kHz alternating current voltage;
voltage/current converter: converting 2-5 kHz alternating voltage into alternating current with corresponding frequency;
a filter: the band-pass filter is formed by the coupling capacitor, so that currents of other frequencies are filtered, an impedance matching effect is achieved, the loss of high-frequency signals is reduced, and the output power is increased;
coupling capacitor: coupling 2-5 kHz current to a power transmission line, and forming a band-pass filter with a front-end filter to filter out currents of other frequencies;
DC/AC converter: converting the direct current voltage into 2-5 kHz alternating current voltage;
smoothing reactor and direct current filter: and the alternating current ripple component is reduced, harmonic components on the direct current side are filtered, and the 2-5 kHz extremely-weak current is limited in the power transmission line between the two side current filters.
In order to ensure that the transmitting system shown in fig. 2 does not interfere with other systems on the ground while generating kilohertz electromagnetic waves, and meanwhile, the generated electromagnetic waves can be transmitted into a near-ground space, the current generated by the system is in a mA magnitude, the frequency is 2-5 kHz, the magnetic induction intensity generated at the position of 1m around is lower than nT magnitude, and the length of a power transmission line is at least 25 km.
In step S2, the electromagnetic wave is transmitted to the radiation band and generates a particle cyclotron resonance with the high-energy electrons of the specific energy level of the radiation band.
The energy flux density of the electromagnetic wave generated by the system shown in fig. 2 propagating in the near-earth space is as shown in fig. 3, and it can propagate back and forth between the north-south magnetic conjugate regions of the earth.
Fig. 4(a) shows the high energy electrons captured by the earth magnetic field in the radiation zone orbiting along the earth magnetic field lines between the magnetic mirror points. When the parameters of the electromagnetic wave shown in fig. 3 and the radiation band high-energy electrons shown in fig. 4 satisfy the following resonance conditions, they will generate wave-particle cyclotron resonance:
where ω ═ 2 π f is the angular frequency of the electromagnetic wave, and f is the frequency of the electromagnetic wave; k is a radical of//、v//The wave number and wave speed parallel to the direction of the geomagnetic field, n is resonance harmonic number, and is integer omegae＝e|B0|/mec is the high energy electron cyclotron frequency, B0Is the intensity of the earth magnetic field, e is the electronic electric quantity, meFor electron mass, c is the speed of light.
And step S3, after the high-energy electrons and the electromagnetic waves generate cyclotron resonance, when the throwing angle is smaller than the equatorial loss cone angle determined by the number of the magnetic shells, the high-energy electrons will be settled into the atmosphere.
After the electromagnetic wave and the high-energy electrons generate the cyclotron resonance action, if the throwing angle alpha of the high-energy electrons is less than the equator loss cone angle alpha determined by the number of the magnetic shell layersLost cone angleIn the meantime, the high-energy electrons get rid of the capture of the geomagnetic field and cannot perform the cyclotron motion between the magnetic mirror points, so as to settle into the atmosphere, as shown in fig. 4 (b).
According to the radiation band high-energy electron settlement method based on the power grid framework, provided by the embodiment of the invention, the emission system does not need to be rebuilt, and only the original power grid framework needs to be improved; the 2-5 kHz electromagnetic wave entering the radiation band can enable high-energy electrons which resonate with the electromagnetic wave to settle into the atmosphere, and the 2-5 kHz electromagnetic wave which is lower than nT magnitude cannot generate non-negligible influence on a ground system.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (4)
1. A radiation band high-energy electron sedimentation method based on a power grid framework is characterized by comprising the following steps:
generating electromagnetic waves in a preset range through an electromagnetic radiation emission system based on a power grid architecture;
electromagnetic waves are transmitted to a radiation band and generate wave particle cyclotron resonance with high-energy electrons at a specific energy level of the radiation band;
after the high-energy electrons and the electromagnetic waves have the cyclotron resonance effect, when the throwing angle is smaller than the equatorial loss cone angle determined by the number of the magnetic shells, the high-energy electrons will be deposited into the atmosphere;
the current generated by the electromagnetic radiation emission system is in mA magnitude, the frequency is 2-5 kHz, the magnetic induction intensity generated at the position of 1m around is lower than nT magnitude, and the length of the transmission line is at least 25 km.
2. The method of claim 1,
the electromagnetic wave preset range is 2-5 kHz.
3. The method according to claim 1, wherein the electromagnetic wave and the radiation band energetic electrons are in the condition of the wave-particle cyclotron resonance:
where ω ═ 2 π f is the angular frequency of the electromagnetic wave, and f is the frequency of the electromagnetic wave; k is a radical of//Wave number, v, parallel to the direction of the earth's magnetic field//The movement speed of high-energy electrons is in parallelComponent in the direction of the earth magnetic field, n being resonance harmonic number, integer, omegae＝e|B0|/mec is the high energy electron cyclotron frequency, B0Is the intensity of the earth magnetic field, e is the electronic electric quantity, meFor electron mass, c is the speed of light.
4. The method of claim 1, wherein the grid architecture includes a substation and a transmission line, the electromagnetic radiation emitting system being disposed in the grid architecture;
the electromagnetic radiation emitting system comprises an AC/AC converter or a DC/AC converter, a voltage/current converter, a filter and a coupling capacitor; the AC/AC converter is suitable for an alternating current power grid, and the DC/AC converter is suitable for a direct current power grid.
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| CN111130612A (en) * | 2019-12-24 | 2020-05-08 | 清华大学 | Electromagnetic wave quantum state orbital angular momentum communication system and method |
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| Correlation Between Power Line Harmonic Radiation and Magnetospheric Line Radiation Over China;QIANG GUO 等;《IEEE》;20191010;146857-146865 * |
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