UNINTERRUPTIBLE POWER SUPPLY SYSTEMS AND METHODS SUPPORTING LOAD BALANCING
First Claim
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1. An uninterruptible power supply (UPS) system, comprising:
- a multiphase AC output configured to be coupled to a load;
an inverter having an output coupled to the AC output; and
a control circuit operatively associated with the inverter and configured to cause the inverter to compensate for a phase imbalance of a load coupled to the AC output while power is being delivered to the load from an AC power source independently of the inverter.
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Abstract
An uninterruptible power supply (UPS) system that includes a multiphase AC output configured to be coupled to a load, an inverter having an output coupled to the AC output and a control circuit operatively associated with the inverter and configured to cause the inverter to compensate for a phase imbalance of a load coupled to the AC output while power is being delivered to the load from an AC power source independently of the inverter.
35 Citations
19 Claims
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1. An uninterruptible power supply (UPS) system, comprising:
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a multiphase AC output configured to be coupled to a load; an inverter having an output coupled to the AC output; and a control circuit operatively associated with the inverter and configured to cause the inverter to compensate for a phase imbalance of a load coupled to the AC output while power is being delivered to the load from an AC power source independently of the inverter. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An apparatus comprising:
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an inverter coupled to a multiphase AC power source; and a control circuit operatively associated with the inverter and configured to cause the inverter to load a first phase of the AC power source and transfer power to a second phase of the AC power source to compensate for a phase imbalance of a load coupled to the AC power source. - View Dependent Claims (11, 12, 13, 14)
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15. A method comprising:
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coupling one or more loads to a multiphase AC power source; and operating an inverter coupled to the multiphase AC power source to compensate for a phase imbalance of the one or more loads while power is being delivered to the load from the AC power source independently of the inverter. - View Dependent Claims (16, 17, 18, 19)
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Specification