Static bypass switch with built in transfer switch capabilities
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H02J-007/00
H02J-009/00
H02J-009/06
출원번호
US-0945340
(2010-11-12)
등록번호
US-8853887
(2014-10-07)
발명자
/ 주소
Silberbauer, Kristian
Tingskov, Carsten Nommensen
출원인 / 주소
Schneider Electric IT Corporation
대리인 / 주소
Lando & Anastasi, LLP
인용정보
피인용 횟수 :
4인용 특허 :
85
초록▼
According to one aspect, embodiments of the invention provide a UPS system comprising a first input, a second input, an output, a power module coupled to the first input, wherein the power module is configured to condition power provided to the input of the power module and provide conditioned power
According to one aspect, embodiments of the invention provide a UPS system comprising a first input, a second input, an output, a power module coupled to the first input, wherein the power module is configured to condition power provided to the input of the power module and provide conditioned power to an output of the power module, and a static bypass switch module selectively coupled to the first input and the second input, wherein, in a first mode of operation, the static bypass switch module is configured to couple the second input to the input of the power module, and provide a second input power to the input of the power module, and wherein, in a second mode of operation, the static bypass switch module is configured to provide a first input power to the output of the UPS system, through the bypass switch module, bypassing the power module.
대표청구항▼
1. An uninterruptible power supply (UPS) system comprising: a first input configured to receive first input power from a first power source;a second input configured to receive second input power from a second power source;an output configured to provide output power to a load;a power module having
1. An uninterruptible power supply (UPS) system comprising: a first input configured to receive first input power from a first power source;a second input configured to receive second input power from a second power source;an output configured to provide output power to a load;a power module having an input coupled to the first input of the UPS system and an output coupled to the output of the UPS system, wherein the power module is configured to condition power provided to the input of the power module and provide conditioned power to the output of the power module; anda static bypass switch module having a first switch circuit selectively coupled between the second input and the output of the UPS system, a second switch circuit selectively coupled between the first input and the second input, and an output coupled to the output of the UPS system;wherein, in a first mode of operation, the second switch circuit is configured to couple the second input to the input of the power module, and provide the second input power to the input of the power module, andwherein, in a second mode of operation, the second switch circuit and the first switch circuit are configured to couple the first input to the output of the UPS system to provide the first input power to the output of the UPS system, through the static bypass switch module, bypassing the power module. 2. The UPS system of claim 1, wherein in a third mode of operation, the static bypass switch module is configured to prevent current from the first input and the second input to the output of the UPS system through the static bypass switch module. 3. The UPS system of claim 1, wherein in a fourth mode of operation, the first switch circuit is configured to couple the second input to the output of the UPS system to provide the second input power to the output of the UPS system, through the static bypass switch module, bypassing the power module. 4. The UPS system of claim 1, wherein the second switch circuit has a first node coupled to the first input and a second node coupled to the second input and the first switch circuit. 5. The UPS system of claim 4, wherein at least one of the first switch circuit and the second switch circuit includes at least one thyristor. 6. The UPS system of claim 1, wherein the power module comprises: an AC/DC converter coupled to the input of the power module;a DC/AC inverter coupled to the output of the power module; anda DC bus coupled between the AC/DC converter and the DC/AC inverter,wherein the AC/DC converter is configured to convert AC power at the input of the power module to DC power and provide the DC power to the DC bus, andwherein the DC/AC inverter is configured to convert DC power on the DC bus to AC power and provide the AC power to the output of the power module. 7. The UPS system of claim 1, further comprising a controller coupled to the static bypass switch module and the power module. 8. The UPS system of claim 7, wherein the controller is configured to monitor power being provided to the power module and power being provided to the output of the UPS system and determine an operational mode of the UPS system. 9. The UPS system of claim 6, further comprising a battery module coupled to the DC bus. 10. The UPS system of claim 1, further comprising a housing, wherein the static bypass switch module and the power module are located within the housing. 11. A method of providing power from a UPS system, the UPS system having a first input, a second input, an output and a power module having an input coupled to the first input and an output coupled to the output of the UPS system; the method comprising: determining that input power at the first input is satisfactory, and in response, configuring the UPS system for operation in a first mode of operation and providing output power from the power module to the output derived from the input power at the first input;determining that the input power at the first input is not satisfactory, and in response, configuring the UPS for operation in a second mode of operation and providing output power from the power module to the output derived from input power at the second input; andmonitoring the output power being provided to the output of the UPS system; andwith the UPS operating in the first mode of operation, determining that the monitored output power is not satisfactory, and in response configuring the UPS for operation in a third mode of operation and providing the input power at the first input to the output, bypassing the power module. 12. The method of claim 11, further comprising: with the UPS operating in the second mode of operation, determining that the output power is not satisfactory, and in response configuring the UPS for operation in a fourth mode of operation and providing the input power at the second input to the output, bypassing the power module. 13. The method of claim 11, the UPS system also having a housing, wherein the first input and the second input are coupled to the housing, the method further comprising: coupling the first input to a first power source; andcoupling the second input to a second power source. 14. The method of claim 11, further comprising monitoring power being provided to the power module. 15. An uninterruptible power supply (UPS) system comprising: a first input configured to receive first input power from a first power source;a second input configured to receive second input power from a second power source;an output configured to provide output power to a load;a power module having an input coupled to the first input of the UPS system and an output coupled to the output of the UPS system, wherein the power module is configured to condition power provided to the input of the power module and provide conditioned power to the output of the power module; andmeans for controlling the UPS system to operate in one of a plurality of operational modes, including a first mode in which the conditioned power provided at the output is derived from the first input power, a second mode in which the conditioned power provided at the output is derived from the second input power via a first switch circuit, and a third mode in which the first input power is provided to the output of the UPS system through a path bypassing the power module via the first switch circuit and a second switch circuit. 16. The UPS system of claim 15, wherein the plurality of operational modes further includes a fourth mode in which the second input power is provided to the output of the UPS system through a path bypassing the power module via the second switch circuit. 17. The UPS system of claim 15, further comprising: means for monitoring power being provided to the power module; andmeans for monitoring power being provided to the output of the UPS system. 18. The UPS system of claim 17, wherein the means for controlling includes means for determining that the power being provided to the power module is satisfactory and, in response, selecting the first operational mode. 19. The UPS system of claim 17, wherein the means for controlling includes means for determining that the power being provided to the power module is not satisfactory and, in response, selecting the second operational mode. 20. The UPS system of claim 17, wherein the means for controlling includes means for determining that the power being provided to the output of the UPS system is not satisfactory and, in response, selecting the third operational mode.
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