IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0489506
(2009-06-23)
|
등록번호 |
US-8160753
(2012-04-17)
|
발명자
/ 주소 |
- Ferentz, Alon
- Blaut, Roni
|
출원인 / 주소 |
- Microsemi Corp.—Analog Mixed Signal Group Ltd.
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
12 인용 특허 :
46 |
초록
▼
An automated method of controlling a power managed system, such as a power over Ethernet system. The method is constituted of: establishing a power consumption budget for a plurality of loads; defining an overbudget limit and an associated time window; monitoring power consumption of the plurality o
An automated method of controlling a power managed system, such as a power over Ethernet system. The method is constituted of: establishing a power consumption budget for a plurality of loads; defining an overbudget limit and an associated time window; monitoring power consumption of the plurality of loads; determining, at a plurality of time intervals over the associated time window, an indication of excess power consumption for each of the plurality of time intervals, the indication of excess power consumption being a function of the monitored power consumption and the defined power consumption budget; and in the event that an integral over the associated time window of a function of the determined indications of excess power consumption exceeds the overbudget limit, disabling at least one load from consuming power.
대표청구항
▼
1. An automated method of controlling a power managed system, the method comprising: establishing a power consumption budget for a plurality of loads each consuming power;defining an overbudget limit and an associated time window;defining a disconnect limit, said disconnect limit greater than said d
1. An automated method of controlling a power managed system, the method comprising: establishing a power consumption budget for a plurality of loads each consuming power;defining an overbudget limit and an associated time window;defining a disconnect limit, said disconnect limit greater than said defined overbudget limit;monitoring power consumption of said plurality of loads;in the event that said monitored power consumption exceeds said defined disconnect limit, disabling at least one of the plurality of loads from consuming power;determining, at a plurality of time intervals over said associated time window, an indication of excess power consumption for each of said plurality of time intervals, said indication of excess power consumption being a function of said monitored power consumption and said defined power consumption budget; andin the event that an integral over said associated time window of a function of said determined indications of excess power consumption exceeds said overbudget limit, disabling at least one of the plurality of loads from consuming power. 2. An automated method according to claim 1, wherein said function of said determined indications comprises limiting values of said determined indications of excess power consumption to a predetermined range. 3. An automated method according to claim 1, wherein said predetermined range is a function of said disconnect limit. 4. A power controller arranged to supply power to a plurality of loads, said power controller comprising: a power consumption budget storage functionality, arranged to store a power consumption budget for the plurality of loads for which power is enabled;a time window storage functionality, arranged to store a time window;an overbudget limit defining functionality, arranged to define an overbudget limit;a disconnect limit defining functionality, arranged to define a disconnect limit greater than said overbudget limit;a power consumption monitoring functionality arranged to monitor a total power consumption of the plurality of loads;an excess power consumption determining functionality, in communication with said power consumption budget storage functionality, said power consumption monitoring functionality and said time window storage functionality, said excess power consumption determining functionality arranged to determine at a plurality of time intervals over said associated time window of said time window storage functionality an indication of excess power consumption of the plurality of loads for which power is enabled for each of said plurality of time intervals, said indication of excess power consumption determined as a function of said monitored power consumption and said defined power consumption budget; anda power enabling/disabling functionality arranged to: disable, in the event that an integral over said associated time window of a function of said determined indications of excess power consumption exceeds said overbudget limit, at least one of the plurality of loads from consuming power; anddisable, in the event that said determined indication of excess power consumption for any of said plurality of time intervals exceeds said disconnect limit, at least one of the plurality of loads from consuming power. 5. A power controller according to claim 4, wherein said function of said determined indications comprises a limitation of the values of said determined indications of excess power consumption to a predetermined range. 6. A power controller according to claim 4, wherein said predetermined range is a function of said disconnect limit. 7. A power controller according to claim 4, wherein at least one of said plurality of loads is a powered device receiving power over Ethernet from the power controller. 8. A power control system arranged to supply power to a plurality of loads, said power control system comprising: a management module; anda plurality of power controllers in communication with said management module,said management module arranged to transmit to each of said power controllers a power consumption budget;each of said plurality of power controllers arranged to supply power to a plurality of connected loads, and further arranged to:define an overbudget limit and an associated time window;define a disconnect limit, said disconnect limit greater than said overbudget limit;monitor power consumption of said plurality of loads;determine, at a plurality of time intervals over said associated time window, an indication of excess power consumption for each of said plurality of time intervals, said indication of excess power consumption being a function of said monitored power consumption and said defined power consumption budget;in the event that said determined indication of excess power consumption for any of said plurality of time intervals exceeds said disconnect limit, disable at least one load from consuming power; andin the event that an integral over said associated time window of a function of said determined indications of excess power consumption exceeds said overbudget limit, disable at least one load from consuming power. 9. A power control system according to claim 8, wherein said function of said determined indications comprises a limitation of values of said determined indications of excess power consumption to a predetermined range. 10. A power control system according to claim 8, wherein said predetermined range is a function of said disconnect limit. 11. A power control system according to claim 8, wherein said overbudget limit and said associated time window are received from said management module. 12. A power control system according to claim 8, wherein at least one of said plurality of loads is a powered device receiving power over Ethernet from one of said power controllers.
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