Reconfigurable matrix-based power distribution architecture
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H02J-001/00
H02J-001/14
H02J-007/34
H02J-007/14
H01H-047/00
H02J-003/00
H02J-001/10
출원번호
US-0746214
(2013-01-21)
등록번호
US-9240685
(2016-01-19)
발명자
/ 주소
Rozman, Gregory I.
Moss, Steven J.
출원인 / 주소
Hamilton Sundstrand Corporation
대리인 / 주소
Cantor Colburn LLP
인용정보
피인용 횟수 :
0인용 특허 :
11
초록▼
A power management and distribution (PMAD) system includes a first power supply of a first type, a second power supply of a second type different from the first type and first and second loads. The PMAD system includes a matrix of solid state power controllers (SSPCs) connected between the first and
A power management and distribution (PMAD) system includes a first power supply of a first type, a second power supply of a second type different from the first type and first and second loads. The PMAD system includes a matrix of solid state power controllers (SSPCs) connected between the first and second power supplies and the first and second loads. The matrix is configured to selectively supply each of the first and second loads with a plurality of different power levels based on on/off states of the SSPCs of the matrix.
대표청구항▼
1. A power management and distribution (PMAD) system, comprising: a first power supply of a first type;a second power supply of a second type different from the first type;first and second loads; anda matrix of solid state power controllers (SSPCs) connected between the first and second power suppli
1. A power management and distribution (PMAD) system, comprising: a first power supply of a first type;a second power supply of a second type different from the first type;first and second loads; anda matrix of solid state power controllers (SSPCs) connected between the first and second power supplies and the first and second loads, the matrix configured to selectively supply each of the first and second loads with a plurality of different power levels based on on/off states of the SSPCs of the matrix. 2. The PMAD system of claim 1, wherein the matrix comprises: first and second stages of solid state power controllers (SSPCs), the first stage of SSPCs including a first SSPC having a power input connected to the first power supply and a power output connected to the first load and a second SSPC having a power input connected to the second power supply and a power output connected to the first load, and the second stage of SSPCs including a third SSPC having a power input connected to the first power supply and a power output connected to the second load and a fourth SSPC having a power input connected to the second power supply and a power output connected to the second load. 3. The PMAD system of claim 2, further comprising: a third power supply of a different type than the first and second power supplies;a third load; anda third stage of SSPCs, the third stage of SSPCs including a fifth SSPC having a power input connected to the first power supply and a power output connected to the third load, a sixth SSPC having a power input connected to the second power supply and a power output connected to the third load, and a seventh SSPC having a power input connected to the third power supply and a power output connected to the third load,wherein the first stage of SSPCs includes an eighth SSPC having a power input connected to the third power supply and a power output connected to the first load, andthe second stage of SSPCs includes a ninth SSPC having a power input connected to the third power supply and a power output connected to the second load. 4. The PMAD system of claim 3, wherein the first, second and third power supplies are selected from a group consisting of: a wound field generator, a permanent magnet generator, a high voltage battery, a low voltage battery and a fuel cell. 5. The PMAD system of claim 1, further comprising: a PMAD controller configured to control each of the SSPCs of the matrix to selectively output a predetermined voltage to each of the first and second loads. 6. The PMAD system of claim 5, further comprising: a first current sensor connected between an input of the first load and each of the power outputs of the first and second SSPCs; anda second current sensor connected between an input of the second load and each of the power outputs of the third and fourth SSPCs,wherein the PMAD controller is configured to adjust a power output from the first and second power supplies based on the sensed current received from the first and second current sensors. 7. The PMAD system of claim 6, wherein the PMAD controller is configured to sum the sensed current from all of the SSPCs of the matrix connected to the power sources to generate a summed sensed current, multiply the summed sensed current by a fraction corresponding to a ratio of total power to be output to the first and second loads, respectively, to generate a reference voltage modification signal, and to adjust a reference voltage supplied to the first and second power supplies based on the reference voltage modification signal. 8. The PMAD system of claim 1, further comprising: a third power supply and a fourth power supply, the first power supply being a wound field generator, the second power supply being a permanent magnet generator, the third power supply being a high voltage battery and the fourth power supply being a low voltage battery,wherein the matrix of SSPCs includes four stages of SSPCs, each stage including four SSPCs, each SSPC of each respective stage connected to a separate one of the first to fourth power supplies, each SSPC of each respective stage having a power output connected to a same load, and each stage of SSPCs connected to a separate load than each other stage. 9. The PMAD system of claim 8, further comprising: a rectifier between the wound field generator and the matrix of SSPCs;an active rectifier between the permanent magnet generator and the matrix of SSPCs;a DC to DC converter between the high voltage battery and the matrix of SSPCs; anda DC to DC converter between the low voltage battery and the matrix of SSPCs. 10. The PMAD system of claim 9, further comprising: a first current sensor between the rectifier and the matrix of SSPCs;a second current sensor between the active rectifier and the matrix of SSPCs;a third current sensor between the high voltage battery and the matrix of SSPCs;a fourth current sensor between the low voltage battery and the matrix of SSPCs; anda PMAD controller configured to adjust a power output from the first, second, third and fourth power supplies based on the sensed current received from first to fourth current sensors. 11. The PMAD system of claim 1, wherein at least one of the first and second loads is a capacitive load and at least one SSPC of the matrix is turned on to connect one of the first and second power supplies to the capacitive load to pre-charge the capacitive load. 12. The PMAD system of claim 11, wherein at least two SSPCs of the matrix are sequentially turned on to sequentially connect the first and second power supplies to the capacitive load to incrementally pre-charge the capacitive load. 13. The PMAD system of claim 1, wherein at least one of the first and second power supplies is a rechargeable battery, at least one of the first and second loads is a regenerative load, andat least one SSPC of the matrix is a bi-directional SSPC that is turned on to supply power from the regenerative load to the rechargeable battery. 14. The PMAD system of claim 1, wherein the first load has a first power quality requirement and the second load has a second power quality requirement less stringent than the first load, the first power supply has a first power quality satisfying the first power quality requirement, andthe second power supply has a second power quality satisfying the second power quality requirement. 15. A power management and distribution (PMAD) controller of a matrix-based PMAD system, comprising: a summing amplifier configured to receive as inputs first and second sensed current signals from first and second current sensors of an SSPD matrix between a plurality of power supplies and a plurality of loads;a reference voltage modification circuit configured to receive as an input a summed sensed current signal from the summing amplifier, to generate first and second current reference signals by multiplying the summed sensed current signal by a fraction corresponding to a fraction of total current supplied to first and second loads among the plurality of loads, and to output to first and second power supplies among the plurality of power supplies first and second reference voltage modification signals based on the first and second current reference signals to modify a voltage output from the first and second power supplies. 16. The PMAD controller of claim 15, wherein the reference voltage modification circuit comprises: first and second summing circuits configured to generate first and second adjusted current reference signals by summing the first and second current reference signals with the first sensed current signal and the second sensed current signal, respectively. 17. The PMAD controller of claim 16, wherein the reference voltage modification circuit further comprises: third and fourth summing circuits configured to generate the reference voltage modification signals by summing the first and second adjusted reference current signals, respectively, with a reference voltage signal. 18. A method of controlling a matrix-based power management and distribution (PMAD) system, comprising: determining a level of power to be received by each of a plurality of loads; andcontrolling a matrix of solid-state power controllers (SSPCs) connected between a plurality of power supplies and the plurality of loads to deliver the level of power to the loads, the plurality of power supplies including a first power supply of a first type and a second power supply of a second type different than the first type. 19. The method of claim 18, wherein controlling the matrix of SSPCs comprises: turning on a first SSPC having a power input connected to an output of the first power supply and an output connected to a first load among the plurality of loads, and turning on a second SSPC having a power input connected to an output of the second power supply and an output connected to the first load to provide a power level to the first load corresponding to a combined power of the first and second power supplies. 20. The method of claim 18, wherein controlling the matrix of SSPCs comprises: receiving, by a PMAD controller, first and second current sensor signals from output lines of the matrix of SSPCs, the first and second SSPCs connected to at least one load among the plurality of loads; andcontrolling a power output from the plurality of power supplies to the matrix of SSPCs based on the first and second current sensor signals.
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이 특허에 인용된 특허 (11)
Powers, Daniel J., Device with multiple, concurrently-installed power molecules and method for controlling same.
Rozman, Gregory I.; Moss, Steven J., Electric power generating and distribution system comprising a decoupling filter and a solid state power controller.
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