Methods and apparatus for providing uninterruptible power
First Claim
1. A power supply system comprising:
- a frame;
a power input to receive input power from a power source;
a power output to provide output power to a load;
at least one battery module mounted in the frame and having a battery output that provides battery power;
at least one power module mounted in the frame and coupled to the power input to receive the input power, coupled to the battery output to receive the battery power, and coupled to the power output to provide the output power from at least one of the battery power and the input power;
a first controller coupled to the at least one power module; and
a second controller, substantially similar to the first controller, coupled to the first controller, and coupled to the at least one power module;
wherein each of the first controller and the second controller is configured to determine operational parameters of the power supply system and store a first set of parameters determined by the first controller and a second set of parameters determined by the second controller.
2 Assignments
0 Petitions
Accused Products
Abstract
Power supply systems and methods are provided. In one aspect, a power supply system includes a frame, a power input to receive input power from a power source, a power output to provide output power to a load, at least one battery module mounted in the frame and having a battery output that provides battery power, at least one power module mounted in the frame and coupled to the power input to receive the input power, coupled to the battery output to receive the battery power, and coupled to the power output to provide the output power from at least one of the battery power and the input power, a first controller coupled to the at least one power module, and a second controller, substantially similar to the first controller, coupled to the first controller, and coupled to the at least one power module, wherein each of the first controller and the second controller are configured to determine operational parameters of the power supply system and store a first set of parameters determined by the first controller and a second set of parameters determined by the second controller.
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Citations
85 Claims
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1. A power supply system comprising:
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a frame; a power input to receive input power from a power source; a power output to provide output power to a load; at least one battery module mounted in the frame and having a battery output that provides battery power; at least one power module mounted in the frame and coupled to the power input to receive the input power, coupled to the battery output to receive the battery power, and coupled to the power output to provide the output power from at least one of the battery power and the input power; a first controller coupled to the at least one power module; and a second controller, substantially similar to the first controller, coupled to the first controller, and coupled to the at least one power module; wherein each of the first controller and the second controller is configured to determine operational parameters of the power supply system and store a first set of parameters determined by the first controller and a second set of parameters determined by the second controller. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A power supply system comprising:
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a power input to receive input power from a power source; a power output to provide output power to a load; at least one battery module having a battery output that provides battery power; at least one power module coupled to the power input to receive the input power, coupled to the battery output to receive the battery power, and coupled to the power output to provide the output power; a first controller coupled to the at least one power module; and a second controller, coupled to the first controller, and coupled to the at least one power module; and a communications bus coupled to the first controller, the second controller and the at least one power module to provide duplex communication between the first controller, the second controller and the at least one power module; wherein the first controller is configured to function as master of the communications bus and control communications on the bus, and the second controller is configured to function as master of the communications bus upon failure of the first controller. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31)
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32. A power supply system comprising:
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an input to receive input power having a first input phase line, a second input phase line and a neutral input line; an output to provide output power, the output having a first output phase line, a second output phase line and a neutral output line; a battery that provides battery power; and a controller coupled to the input, to the output and to the battery and configured to control the power supply system to provide the output power from at least one of the input power and the battery power; wherein the controller is configured to detect an input phase difference between the first input phase line and the second input phase line, and to provide output power with an output phase difference between the first output phase line and the second output phase line substantially equal to the input phase difference. - View Dependent Claims (33, 34)
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35. A power supply system comprising:
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a frame; a power input to receive input power from a power source; a power output to provide output power to a load; at least one battery module mounted in the frame and having a battery output that provides battery power; at least one power module mounted in the frame and coupled to the power input to receive the input power, coupled to the battery output to receive the battery power, and coupled to the power output to provide the output power from at least one of the battery power and the input power; a first controller module, mounted in the frame, coupled to the at least one power module and the at least one battery module; and a first cold start button operatively coupled to the at least one battery module; wherein the power supply system is configured to be powered on from battery power with no input power present from a powered down mode in which there is no current being drawn from the battery when the first cold start button is activated by a user. - View Dependent Claims (36)
wherein the power supply system is configured to be powered on from battery power with no input power present from a powered down mode in which there is no current being drawn from the battery when either the first cold start button or the second cold start button is activated.
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37. A method of controlling an uninterruptible power supply system having a first controller, a second controller, at least one power module, and a communications bus coupled between the first controller, the second controller and the at least one power module, the method comprising:
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controlling output power of the uninterruptible power supply and communications over the communications bus using the first controller; and upon failure of the first controller, controlling the output power and communications over the communications bus using the second controller; wherein the uninterruptible power supply has a power input that is configured to receive input power having a first input phase line, a second input phase line and a neutral input line, and wherein the method further comprises; detecting an input phase difference between the first input phase line and the second input phase line; and providing output power having a first output phase line, a second output phase line and a neutral output line, with an output phase difference between the first output phase line and the second output phase line substantially equal to the input phase difference.
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38. A method of controlling an uninterruptible power supply system having a first controller, a second controller, at least one power module, and a communications bus coupled between the first controller, the second controller and the at least one power module, the method comprising:
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controlling output power of the uninterruptible power supply and communications over the communications bus using the first controller; and upon failure of the first controller, controlling the output power and communications over the communications bus using the second controller; wherein each of the first controller and the second controller includes a cold start button, and wherein the method further comprises controlling the uninterruptible power supply to be powered on from battery power with no input power present when one of the cold start buttons is activated by a user.
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39. A method of providing uninterruptible output power in a power supply having an input to receive input power having a first input phase line, a second input phase line and a neutral input line, and an output to provide output power, the output having a first output phase line, a second output phase line and a neutral output line, the method comprising:
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detecting an input phase difference between the first input phase line and the second input phase line; and providing output power with an output phase difference between the first output phase line and the second output phase line substantially equal to the input phase difference. - View Dependent Claims (40, 41)
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42. A power supply system comprising:
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a frame; a power input to receive input power from a power source; a power output to provide output power to a load; at least one battery module mounted in the frame and having a battery output that provides battery power; at least one power module mounted in the frame and coupled to the power input to receive the input power, coupled to the battery output to receive the battery power, and coupled to the power output to provide the output power from at least one of the battery power and the input power; a first controller coupled to the at least one power module; and a second controller, substantially similar to the first controller, coupled to the first controller, and coupled to the at least one power module; wherein each of the first controller and the second controller includes means for measuring operational parameters of the power supply system and means for storing operational parameters measured by the first controller and measured by the second controller. - View Dependent Claims (43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55)
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56. A power supply system comprising:
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a power input to receive input power from a power source; a power output to provide output power to a load; at least one battery module having a battery output that provides battery power; at least one power module coupled to the power input to receive the input power, coupled to the battery output to receive the battery power, and coupled to the power output to provide the output power; a first controller coupled to the at least one power module; a second controller, coupled to the first controller, and coupled to the at least one power module; and a communications bus coupled to the first controller, the second controller and the at least one power module to provide duplex communication between the first controller, the second controller and the at least one power module; and means for establishing the first controller as master of the communications bus and for establishing the second controller as master of the communications bus upon failure of the first controller. - View Dependent Claims (57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68)
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69. A power supply system comprising:
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an input to receive input power having a first input phase line, a second input phase line and a neutral input line; an output to provide output power, the output having a first output phase line, a second output phase line and a neutral output line; a battery that provides battery power; a controller coupled to the input, to the output and to the battery and configured to control the power supply system to provide the output power from at least one of the input power and the battery power; and means for detecting an input phase difference between the first input phase line and the second input phase line, and providing output power with an output phase difference between the first output phase line and the second output phase line substantially equal to the input phase difference. - View Dependent Claims (70, 71)
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72. A method of providing redundant control of an uninterruptible power supply having a first controller and a second controller, the method comprising:
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determining a first set of values corresponding to operational parameters of the uninterruptible power supply using the first controller; determining a second set of values corresponding to the operational parameters of the uninterruptible power supply using the second controller; storing the first set of values and the second set of values in the first controller; storing the first set of values and the second set of values in the second controller; controlling output power of the uninterruptible power supply using the first controller; and upon failure of the first controller, controlling the output power of the uninterruptible power supply using the second controller. - View Dependent Claims (73, 74, 75, 76, 77, 78, 79, 80)
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81. A method of controlling an uninterruptible power supply system having a first controller, a second controller, at least one power module, and a communications bus coupled between the first controller, the second controller and the at least one power module, the method comprising:
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controlling output power of the uninterruptible power supply and communications over the communications bus using the first controller; and upon failure of the first controller, controlling the output power communications over the communications bus using the second controller; detecting input voltage and input current to the uninterruptible power supply; and reducing input current draw of the uninterruptible power supply upon detection that the input voltage is less than a predetermined threshold. - View Dependent Claims (82, 83, 84, 85)
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Specification