Charge equalization systems and methods for battery systems and uninterruptible power supplies
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H02J-007/00
H02J-009/06
B60L-011/18
출원번호
US-0213333
(2016-07-18)
등록번호
US-9853497
(2017-12-26)
발명자
/ 주소
Heidenreich, James Joseph
Haass, Michael A.
Le, Thanh Quoc
Jennings, Seth William
출원인 / 주소
Alpha Technologies Inc.
대리인 / 주소
Schacht, Michael R.
인용정보
피인용 횟수 :
0인용 특허 :
64
초록▼
A battery system having at least one battery string of more than two batteries connected in series, a charge equalization circuit, and a relay matrix. The plurality of battery strings each comprise more than two batteries connected in series and are connected in parallel. The charge equalization cir
A battery system having at least one battery string of more than two batteries connected in series, a charge equalization circuit, and a relay matrix. The plurality of battery strings each comprise more than two batteries connected in series and are connected in parallel. The charge equalization circuit is capable of equalizing the charge on any pair of series connected batteries in any one of the plurality of battery strings. The relay matrix is operatively connected between the charge equalization circuit and the plurality of battery strings. Based on at least one of a voltage and a current of any one of the batteries, the relay matrix is operated such that the charge equalization circuit is connected across any one of the pairs of series connected batteries in any one of the plurality of battery strings.
대표청구항▼
1. A battery system comprising: a plurality of battery strings comprising more than two batteries connected in series, where the plurality of battery strings are connected in parallel;a charge equalization circuit capable of equalizing the charge on any pair of series connected batteries in any one
1. A battery system comprising: a plurality of battery strings comprising more than two batteries connected in series, where the plurality of battery strings are connected in parallel;a charge equalization circuit capable of equalizing the charge on any pair of series connected batteries in any one of the plurality of battery strings; anda relay matrix operatively connected between the charge equalization circuit and the plurality of battery strings; whereinbased on at least one of a voltage and a current of any one of the batteries, the relay matrix is operated such that the charge equalization circuit is connected across any one of the pairs of series connected batteries in any one of the plurality of battery strings. 2. The battery system as recited in claim 1, further comprising a balance controller for controlling the relay matrix. 3. The battery system as recited in claim 1, in which the relay matrix is operated such that the charge equalization circuit is connected across a plurality of pairs of series connected batteries in the plurality of battery strings. 4. The battery system as recited in claim 1, further comprising a wire harness connected between the relay matrix and the plurality of battery strings. 5. A UPS system for supplying power to a load based on a power signal provided by a power source, comprising: a plurality of battery strings comprising more than two batteries connected in series, where the plurality of battery strings are connected in parallel;an inverter and charger circuit operatively connected between the power source and the at least one battery string, and the at least one battery string and the load;a charge equalization circuit capable of equalizing the charge on any pair of series connected batteries in any one of the plurality of battery strings;a relay matrix operatively connected between the charge equalization circuit and the plurality of battery strings; whereinbased on at least one of a voltage and a current of any one of the batteries, the relay matrix is operated such that the charge equalization circuit is connected across any one of the pairs of series connected batteries in any one of the plurality of battery strings. 6. The UPS system as recited in claim 5, further comprising a balance controller for controlling the relay matrix. 7. The UPS system as recited in claim 5, in which the relay matrix is operated such that the charge equalization circuit is connected across a plurality of pairs of series connected batteries in any one of the plurality of battery strings. 8. The UPS system as recited in claim 5, further comprising a wire harness connected between the relay matrix and the plurality of battery strings. 9. The UPS system as recited in claim 5, further comprising a transformer module operatively connected between: the power source and the load; andthe inverter and charger circuit and the load. 10. A battery system comprising: a plurality of battery strings, where each battery string comprises more than two batteries connected in series, andthe battery strings are connected in parallel;at least one charge equalization circuit capable of equalizing the charge on any pair of series connected batteries;a relay matrix operatively connected between the charge equalization circuit and the plurality of battery strings; whereinbased on at least one of a voltage and a current of any one of the batteries, the balance controller controls the relay matrix such that at least one charge equalization circuit is connected across any one of the pairs of series connected batteries in any one of the plurality of battery strings. 11. The battery system as recited in claim 10, further comprising a balance controller for controlling the relay matrix. 12. The battery system as recited in claim 10, in which the relay matrix is operated such that the charge equalization circuit is connected across a plurality of pairs of series connected batteries in the plurality of battery strings. 13. The system as recited in claim 10, further comprising a wire harness connected between the relay matrix and the at least one battery string. 14. A UPS system for supplying power to a load based on a power signal provided by a power source, comprising: a plurality of battery strings, where each battery string comprises more than two batteries connected in series, andthe battery strings are connected in parallel;an inverter and charger circuit operatively connected between the power source and the at least one battery string, and the at least one battery string and the load;at least one charge equalization circuit capable of equalizing the charge on any pair of series connected batteries in any one of the plurality of battery strings;a relay matrix operatively connected between the charge equalization circuit and the plurality of battery strings; whereinbased on at least one of a voltage and a current of any one of the batteries, the relay matrix is operated such that at least one charge equalization circuit is connected across a plurality of pairs of series connected batteries in the plurality of battery strings to equalize charges on the batteries. 15. The UPS system as recited in claim 14, further comprising a balance controller for controlling the relay matrix. 16. The UPS system as recited in claim 14, in which the relay matrix is operated such that the charge equalization circuit is connected across a plurality of pairs of series connected batteries in any one of the plurality of battery strings. 17. The UPS system as recited in claim 14, further comprising a wire harness connected between the relay matrix and the plurality of battery strings. 18. The UPS system as recited in claim 14, further comprising a transformer module operatively connected between: the power source and the load; andthe inverter and charger circuit and the load. 19. A method of supplying power to a load based on a power signal provided by a power source, comprising: providing a plurality of battery strings each comprising more than two batteries connected in series;connecting the battery strings in parallel;operatively connecting an inverter and charger circuit between the power source and the at least one battery string, and the at least one battery string and the load;providing at least one charge equalization circuit capable of equalizing the charge on any pair of series connected batteries in the any one of the plurality of battery strings;operatively connecting a relay matrix between the charge equalization circuit and the plurality of battery strings; andoperating the relay matrix such that at least one charge equalization circuit is connected across a plurality of pairs of series connected batteries in the plurality of battery strings to equalize charges on the batteries based on sensed voltage and current of the batteries in the plurality of battery strings. 20. The method as recited in claim 19, further comprising the step of providing a balance controller for controlling the relay matrix. 21. The method as recited in claim 19, in which the relay matrix is operated such that the charge equalization circuit is connected across a plurality of pairs of series connected batteries in any one of the plurality of battery strings. 22. The method as recited in claim 19, further comprising the step of connecting a wire harness connected between the relay matrix and the plurality of battery strings. 23. The method as recited in claim 19, further comprising the step of operatively connecting a transformer module between: the power source and the load; andthe inverter and charger circuit and the load.
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