Device and method for supplying electrical power to at least one induction machine on board an aircraft
IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0444399
(2007-09-17)
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등록번호 |
US-8253358
(2012-08-28)
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우선권정보 |
FR-06 54318 (2006-10-17) |
국제출원번호 |
PCT/EP2007/059773
(2007-09-17)
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§371/§102 date |
20090804
(20090804)
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국제공개번호 |
WO2008/046701
(2008-04-24)
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발명자
/ 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
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인용정보 |
피인용 횟수 :
1 인용 특허 :
0 |
초록
A device and a method for supplying electrical power to at least one induction machine on board an aircraft. This device includes at least one CVFR type source, in which the voltage and frequency are both variable but in a constant ratio, that supplies power to at least one induction machine.
대표청구항
▼
1. A device for supplying electrical power to at least one induction machine on board an aircraft, in which a variable frequency electrical distribution bar supplies the at least one induction machine, the device comprising: at least one CVFR type source, in which the voltage and frequency are both
1. A device for supplying electrical power to at least one induction machine on board an aircraft, in which a variable frequency electrical distribution bar supplies the at least one induction machine, the device comprising: at least one CVFR type source, in which the voltage and frequency are both variable but in a constant ratio, that supplies power to at least one induction machine, the at least one induction machine being an asynchronous motor with at least two cages, or an asynchronous motor with deep slots, andan induction regulator and an angular regulation loop. 2. A device according to claim 1, further comprising a permanent magnet alternator. 3. A device according to claim 1, further comprising a VFG type alternator controlled by a control generator. 4. A device according to claim 1, in which the angular regulation loop includes divider means for comparing with a reference value, a low power inverter, and an angular positioning actuator. 5. A device according to claim 1, in which the aircraft is an airplane. 6. An aircraft comprising a device according to claim 1. 7. A method for supplying electrical power to at least one induction machine on board an aircraft, in which a variable frequency electrical distribution bar supplies the at least one induction machine, the method comprising: supplying, by at least one CVFR type source in which the voltage and frequency are both variable but in a constant ratio, power to at least one induction machine, and the at least one induction machine is an asynchronous motor with at least one cage, or an asynchronous motor with deep slots, andusing an induction regulator powered by a network with fixed voltage and variable frequency, and a quasi-static position of the rotor is slaved to the ratio of the voltage to the frequency. 8. A method according to claim 7, in which a permanent magnet alternator is used to make a CVFR type source. 9. A method according to claim 7, in which a VFG type generator is used to make a CVFR type source. 10. An aircraft comprising a device capable of using the method according to claim 7. 11. A device for supplying electrical power to at least one induction machine on board an aircraft, the device comprising: a variable frequency electrical distribution bar which supplies the at least one induction machine,at least one CVFR type source, in which the voltage and frequency are both variable but in a constant ratio, which supplies power to the at least one induction machine, which is an asynchronous motor, anda converter disposed between the distribution bar and the at least one induction machine, powered at constant voltage and variable frequency, and a transformation ratio of the converter is slaved by a very low power activator controlled by an angular position slaving loop. 12. A method for supplying electrical power to at least one induction machine on board an aircraft, in which a variable frequency electrical distribution bar supplies the at least one induction machine, the method comprising: supplying, by at least one CVFR type source in which the voltage and frequency are both variable but in a constant ratio, power to at least one induction machine, which is an asynchronous motor;powering at a constant voltage and variable frequency, a converter disposed between the distribution bar and the at least one induction machine; andslaving a transformation ratio of the converter by a very low power activator controlled by an angular position slaving loop.
이 특허를 인용한 특허 (1)
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Lando, Jean-Louis; Valin-Saunal, Pierre, Voltage-controlled DC link for variable frequency generator excitation.
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