Multiple power topologies from single power generator
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H02M-001/10
H02M-001/08
H02J-004/00
B64D-041/00
H02M-003/335
H02M-005/458
출원번호
US-0197460
(2016-06-29)
등록번호
US-10141829
(2018-11-27)
발명자
/ 주소
Fullmer, Michael Lynn
Nelson, Kirk Rodney
출원인 / 주소
John Bean Technologies Corporation
대리인 / 주소
Christensen O'Connor Johnson Kindness PLLC
인용정보
피인용 횟수 :
0인용 특허 :
8
초록▼
A power unit for producing both alternating current and direct current includes a switcher connected to a direct current source, wherein the switcher includes circuitry configured to produce both alternating current having first characteristics and direct current having second characteristics, where
A power unit for producing both alternating current and direct current includes a switcher connected to a direct current source, wherein the switcher includes circuitry configured to produce both alternating current having first characteristics and direct current having second characteristics, wherein the circuitry comprises a plurality of insulated gate bipolar transistor circuits and drive circuits connected to the insulated gate bipolar transistor circuits. The switcher may receive variable voltage and frequency or constant voltage and frequency. In either case, the switcher circuitry is able to provide power of the desired characteristics. The power unit may be used to power aircraft when the aircraft is on the ground.
대표청구항▼
1. A power unit for producing both alternating current and direct current, comprising: a switcher connected to a direct current source, wherein the switcher includes circuitry configured to produce both alternating current having first characteristics and direct current having second characteristics
1. A power unit for producing both alternating current and direct current, comprising: a switcher connected to a direct current source, wherein the switcher includes circuitry configured to produce both alternating current having first characteristics and direct current having second characteristics, wherein the circuitry comprises a plurality of insulated gate bipolar transistor circuits and drive circuits connected to the insulated gate bipolar transistor circuits, wherein insulated gate bipolar modules configured to operate as a pulse wave modulated inverter to produce alternating current are also the same insulated gate bipolar modules configured to produce the direct current, wherein both the alternating current and direct current are output directly from combining the output of two or more of the insulated gate bipolar modules to a first and second switch to supply the alternating current and the direct current, respectively. 2. The power unit of claim 1, wherein the first characteristics include 3-phase, 400 hertz alternating current. 3. The power unit of claim 1, wherein the second characteristics include 270 V direct current. 4. The power unit of claim 1, wherein the switcher is connected to a rectifier, wherein the rectifier converts alternating current into direct current supplied to the switcher. 5. The power unit of claim 4, comprising a first, second, and third insulated gate bipolar transistor circuit, and the first, second, and third insulated gate bipolar transistor circuits are connected in parallel to a cathode and anode terminal of the rectifier. 6. The power unit of claim 1, comprising an interface circuit configured to apply a sinusoid control voltage to each of the insulated gate bipolar transistor circuits, wherein the sinusoid is out of phase 120 degrees between the insulated gate bipolar transistor circuits. 7. The power unit of claim 1, comprising an interface circuit configured to generate two pulse wave modulated control voltage outputs which are applied 180 degrees out of phase of each other to two of the insulated gate bipolar transistor circuits. 8. The power unit of claim 1, further comprising a rectifier connected to the switcher, wherein the rectifier converts alternating current into direct current supplied to the switcher, and a transformer connected to the rectifier. 9. The power unit of claim 8, further comprising an engine and generator connected to the transformer. 10. The power unit of claim 9, wherein the engine is a fixed speed engine. 11. The power unit of claim 9, wherein the engine is a variable speed engine. 12. The power unit of claim 9, further comprising a gearbox connecting the engine to the generator to increase generator rpms. 13. The power unit of claim 1, comprising a variable frequency generator. 14. The power unit of claim 13, wherein the generator is configured to vary the voltage from the range of 200 to 300 V. 15. The power unit of claim 13, wherein the generator is configured to vary the frequency from 380 to 600 Hz. 16. The power unit of claim 13, wherein the switcher is configured to receive input that varies in voltage or frequency or both voltage and frequency.
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이 특허에 인용된 특허 (8)
Paul E. Sargent ; Timothy C. Hurley ; Michael J. Iselo ; Anthony N. Brown, Aircraft ground power unit.
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