RU2554723C2 - Aircraft power supply method and device (versions) - Google Patents

Aircraft power supply method and device (versions) Download PDF

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Publication number
RU2554723C2
RU2554723C2 RU2013126926/11A RU2013126926A RU2554723C2 RU 2554723 C2 RU2554723 C2 RU 2554723C2 RU 2013126926/11 A RU2013126926/11 A RU 2013126926/11A RU 2013126926 A RU2013126926 A RU 2013126926A RU 2554723 C2 RU2554723 C2 RU 2554723C2
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Russia
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voltage
power
ground
cable
power supply
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RU2013126926/11A
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Russian (ru)
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RU2013126926A (en
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Дмитрий Семенович Стребков
Леонид Юрьевич Юферев
Олег Алексеевич Рощин
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Федеральное государственное бюджетное научное учреждение "Всероссийский научно-исследовательский институт электрификации сельского хозяйства" (ФГБНУ ВИЭСХ)
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/50Arrangements for eliminating or reducing asymmetry in polyphase networks

Abstract

FIELD: electricity.
SUBSTANCE: group of inventions is related to above-ground structures for tethered aircraft. The first version of a power supply method for an aircraft with a tether line is characterised by the fact that power supply from the ground is carried out with high voltage of 0.1-10 kV by converting the voltage of the ground power supply source from 12-380 V to 0.1-10 kV and then transmitted through a transmission line with the further conversion of the voltage from 0.1-10 kV to 12-380 V. The second version is characterised by transmission of power from the ground in a resonant way at the high frequency of 1-25 kHz by the conversion of the ground surface in the voltage and frequency from 12-380 V to 0.1-10 kV, 1-25 kHz and transmission through transmission lines with the further conversion of the cable line voltage from 0.1-10 kV up to 12-380 V. Each version of the power supply device is characterised by the usage of the respective voltage converters.
EFFECT: group of inventions is oriented to the increase of the power supply range and altitude.
4 cl, 2 dwg

Description

The invention relates to electrical engineering, in particular to a method and apparatus for transmitting electrical energy to an airborne aircraft.

A lighting balloon is known on a mobile platform in the form of a gas-filled shell, inside of which a light source is mounted on the suspension, while the suspension is attached to two oppositely arranged flanges configured to access gas inside the shell, the balloon through the lower flange is connected to the extension, in which the extension is fixed on the console of the mobile platform, on which the generator is located, providing power supply, allowing for external electrical connection; helium collector and helium cylinders, control and power unit, safety net for fixing the aerostat in case of wind gusts (RF patent No. 124360, publ. 01.20.2013. Bull. No. 2).

A luminous balloon is known comprising a gas-inflated sheath, at least one electric light source located inside the sheath, an electric power source located outside the sheath, electric wires connecting the power source to the light source, a device for hermetically introducing electric wires into the sheath ( RF patent No. 59994, publ. 10.01.2007. Bull. No. 1). The ball is equipped with an electrically conductive nipple, made in the form of a sleeve of elastic electrical insulating material, equipped with electrical conductors located in the body of the sleeve.

The closest invention is a method of powering a tethered balloon and a device for its implementation, in which in the position of the tethered balloon “at a height”, when the ground power disappears, a control signal is generated simultaneously with the power supply of the on-board electrical equipment complex from the on-board battery, which is transmitted to the on-board complex electrical equipment to switch it to low power mode (patent No. 2449927, publ. 05/10/2012. Bull. No. 13).

In the position of a tethered balloon “on the ground”, they provide power to the on-board electrical equipment complex from a ground-based power source, converting its voltage to a DC voltage corresponding to the operating voltage of the on-board electrical equipment complex.

The device comprises an electric power source, a protective-switching equipment unit, a first transducer, a winch with a cable-cable located on its drum, a second transducer located on the aerostat, and a secondary battery, which is a backup power source for the on-board electrical equipment complex.

The disadvantage of these inventions is the ability to transfer electricity to a balloon located at low altitude.

The objective of the invention is to increase the range and altitude at which it will be necessary to transmit electricity to the aircraft from the Earth.

The technical result of the proposed device is the implementation of ground power on-board equipment of the aeronautical apparatus and the charge of the backup on-board batteries.

The above result is achieved by the fact that in the method of powering an airborne aircraft with a holding cable, electric energy is transferred from the ground to the airborne aircraft with an increased voltage of 0.1 ... 10 kV DC by converting the voltage of the power source on the earth from 12 ... 380 V to 0 , 1 ... 10 kV and transmission via a power line with further conversion of the voltage of 0.1 ... 10 kV to 12 ... 380 V, necessary to power the onboard equipment.

In another embodiment of the method of power supply of an airborne aircraft with a holding cable, the transmission of electricity from the earth is carried out in a resonant manner at an increased frequency of 1 ... 25 kHz by converting the voltage of the power source on the ground in voltage and frequency from 12 ... 380 V to 0.1 ... 10 kV, 1 ... 25 kHz and power line transmission with further conversion of the cable line voltage of 0.1 ... 10 kV to 12 ... 380 V, which is necessary to power the onboard equipment.

The technical result of the power supply device of an airborne aircraft, including a tethered airborne aircraft with a holding cable and a power source, in which the power source is located on the ground and contains a step-up voltage converter to increase the voltage of 12 ... 380 V to 0.1 ... 10 kV DC, line power lines or cable built into the holding cable and a step-down converter on board an aircraft with an output voltage of 12 ... 380 V for powering the on-board electrical ore with a charger and a battery pack, while the power supply with a step-up voltage converter is connected to a power line or cable built into the holding cable, to which a step-down converter mounted on an aircraft is connected to power on-board electrical equipment and charge on-board batteries.

In another embodiment, a power supply device of an airborne aircraft, including a tethered airborne aircraft

a device with a holding cable and a power source, the power source is located on the ground and contains a step-up voltage converter to increase the voltage of 12 ... 380 V to 0.1 ... 10 kV, 1 ... 25 kHz, a power line or cable combining the functions of the holding cable, and lowering a converter on board an aircraft with an output voltage of 12 ... 380 V for powering on-board electrical equipment with a charger and a battery pack, while the power supply with a step-up voltage converter is connected It can be connected to a power line or a cable built into the holding cable, to which a step-down converter is installed, installed on the aircraft to power on-board electrical equipment and charge on-board batteries.

The essence of the invention is illustrated in FIG. 1, FIG. 2.

In FIG. 1 shows a general diagram of a method and apparatus for powering an airborne aircraft with electric power transmission through a separate power line.

In FIG. 2 shows a general diagram of a method and apparatus for powering an airborne aircraft with electric power transmission via a power line integrated in a holding cable.

The system of FIG. 1 contains a tethered airborne aircraft 1 with a buck converter, a ground source of electricity with a step-up voltage converter 2, a power line 3, a holding cable 4, and fastening to the ground 5.

The system of FIG. 2 contains a tethered airborne aircraft 1 with a buck converter, a ground source of electricity with a step-up voltage converter 2, a holding cable 4, a ground cable 5, and a power line built into the holding cable 6.

An electrical power line 3 is connected to a ground source of electricity with a step-up voltage converter 2, which is connected to an airborne aircraft 1 or integrated into a holding cable 6, which is attached to the ground 5.

The device operates as follows.

A voltage of direct or alternating current is supplied from a source of electricity on earth to a step-up voltage converter 2, which increases the voltage of a power source by voltage or voltage and frequency, the increased voltage is supplied to a separate power line 3 or built into a holding cable 6 and fed to an airborne aircraft 1, in which the inverse converter is installed, which reduces the voltage to the required for the on-board electrical equipment and the battery charge.

An example of the implementation of the method and device for power supply of an airborne aircraft - a battery or an electrical network can be used as a source of electricity on the ground. The step-up voltage converter increases the voltage to 100 ... 10000 V of alternating current with an increased frequency of up to 1 ... 50 kHz or to 100 ... 10000 V of direct current. The wire of the power line can be made in the form of a “twisted pair”, coaxial cable or a single-wire cable line built into the holding cable. An inverse converter is installed on board the aircraft, which converts the increased voltage to the low voltage necessary for the on-board battery charger and for on-board electrical equipment and electric motor. When up and down converters are operating at an increased frequency, a resonant mode of electric power transmission via a single-wire power line can be used.

The proposed method and device are used to power a high-altitude aircraft flying to an altitude of 20 ... 40 km.

Claims (4)

1. The method of power supply of an airborne aircraft with a holding cable, characterized in that the transmission of electricity from the ground is carried out to the airborne aircraft with an increased voltage of 0.1 ... 10 kV DC by converting the voltage of the power source on the ground from 12 ... 380 V to 0 , 1 ... 10 kV and transmission via a power line with further conversion of the voltage of 0.1 ... 10 kV to 12 ... 380 V, necessary to power the onboard equipment.
2. The method of power supply of an airborne aircraft with a holding cable, characterized in that the transmission of electricity from the earth is carried out in a resonant manner at an increased frequency of 1 ... 25 kHz by converting the voltage of the power source on the ground in voltage and frequency from 12 ... 380 V to 0.1 ... 10 kV, 1 ... 25 kHz and transmission via a power line with further conversion of the cable line voltage of 0.1 ... 10 kV to 12 ... 380 V, necessary for powering the on-board equipment.
3. A power supply device for an airborne aircraft, including a tethered airborne aircraft with a holding cable and a power source located on the ground, characterized in that the power source located on the ground contains a step-up voltage converter to increase the voltage of 12 ... 380 V to 0.1 ... 10 kV DC, power line or cable built into the holding cable and step-down converter on board an aircraft with an output voltage of 12 ... 380 V for power supply Vågå apparatus with the charging device and the unit batteries, wherein the power source step-up voltage converter connected to the power line or cable, embedded in the holding rope, which is connected to the downconverter mounted on an aircraft to power the onboard electric charge and onboard batteries.
4. Power supply device for an airborne aircraft, including a tethered airborne aircraft with a holding cable and a power source located on the ground, characterized in that the power source located on the ground contains a step-up voltage converter to increase the voltage of 12 ... 380 V to 0.1 ... 10 kV, 1 ... 25 kHz, a power line or cable that combines the functions of a holding cable and a step-down converter on board an aircraft with an output voltage of 12 ... 380 V for power supply electrical equipment with a charger and a battery pack, while the power supply with a step-up voltage converter is connected to a power line or cable built into the holding cable, to which a step-down converter mounted on an aircraft is connected to power on-board electric equipment and charge on-board batteries.
RU2013126926/11A 2013-06-13 2013-06-13 Aircraft power supply method and device (versions) RU2554723C2 (en)

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US9857402B2 (en) 2015-09-08 2018-01-02 CPG Technologies, L.L.C. Measuring and reporting power received from guided surface waves
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US9887558B2 (en) 2015-09-09 2018-02-06 Cpg Technologies, Llc Wired and wireless power distribution coexistence
US9885742B2 (en) 2015-09-09 2018-02-06 Cpg Technologies, Llc Detecting unauthorized consumption of electrical energy
US9887587B2 (en) 2014-09-11 2018-02-06 Cpg Technologies, Llc Variable frequency receivers for guided surface wave transmissions
US9887585B2 (en) 2015-09-08 2018-02-06 Cpg Technologies, Llc Changing guided surface wave transmissions to follow load conditions
US9887557B2 (en) 2014-09-11 2018-02-06 Cpg Technologies, Llc Hierarchical power distribution
US9893402B2 (en) 2014-09-11 2018-02-13 Cpg Technologies, Llc Superposition of guided surface waves on lossy media
US9893403B2 (en) 2015-09-11 2018-02-13 Cpg Technologies, Llc Enhanced guided surface waveguide probe
US9899718B2 (en) 2015-09-11 2018-02-20 Cpg Technologies, Llc Global electrical power multiplication
US9941566B2 (en) 2014-09-10 2018-04-10 Cpg Technologies, Llc Excitation and use of guided surface wave modes on lossy media
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US9973037B1 (en) 2015-09-09 2018-05-15 Cpg Technologies, Llc Object identification system and method
US9997040B2 (en) 2015-09-08 2018-06-12 Cpg Technologies, Llc Global emergency and disaster transmission
US10001553B2 (en) 2014-09-11 2018-06-19 Cpg Technologies, Llc Geolocation with guided surface waves
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US10175203B2 (en) 2014-09-11 2019-01-08 Cpg Technologies, Llc Subsurface sensing using guided surface wave modes on lossy media
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