Static bypass switch with built in transfer switch capabilities
First Claim
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; and
a 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.
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Accused Products
Abstract
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.
135 Citations
20 Claims
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1. An uninterruptible power supply (UPS) system comprising:
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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; and a 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, and wherein, 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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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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; and monitoring the output power being provided to the output of the UPS system; and with 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. - View Dependent Claims (12, 13, 14)
- the method comprising;
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15. An uninterruptible power supply (UPS) system comprising:
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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; and means 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. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification