Patent application number | Description | Published |
20100281281 | Server with Multiple Power Supplies - One exemplary embodiment is a server that includes multiple power supplies. When the server is in a standby state, one power supply is in a standby state and another power supply is in a deep sleep state. | 11-04-2010 |
20110235372 | Systems And Methods For Scaling A Signal In A Power Factor Correction Circuit - Systems and methods for scaling a current signal in a power factor correction circuit are disclosed. An exemplary method may include providing a power factor correction circuit for a power supply, the power factor correction circuit having a first current sensing resistor connected on a return path to a rectified AC line. The method may also include measuring current across the first current sensing resistor. The method may also include switching on at least a second current sensing resistor in parallel with the first current sensing resistor if the measured current increases above a threshold value. | 09-29-2011 |
20110254374 | SYSTEM AND METHOD FOR A REDUNDANT POWER SOLUTION - A redundant power solution system, including at least a first and second input module, each configured for receiving input power, an output converter, wherein a first output line from the first input module and a second output line from the second module both feed into the output converter, and a control mechanism associated with the first and second input modules, wherein the control mechanism monitors the input power received by the first and second input modules and dynamically selects at least one of the first and second input modules to feed power into the output converter. | 10-20-2011 |
20120026763 | Energy-Efficient Standby Mode In A Switching Power Supply - A switching power supply includes power factor correction circuitry and a standby output converter. One or more loads may be coupled to one or more outputs of the switching power supply. The switching power supply is configured to disable the power factor correction circuitry under some load conditions and to enable the power factor correction circuitry under other load conditions. As a consequence, power that would have been drawn by the power factor correction circuitry is conserved when the power factor correction circuitry is disabled. | 02-02-2012 |
20120033469 | Electric Power Conversion System Having An Adaptable Transformer Turns Ratio For Improved Efficiency - An electric power conversion system has an adaptable transformer turns ratio for improved efficiency. The transformer has multiple taps on its primary. Switching circuitry is configured to connect an energy source to the taps in at least two modes such that the transformer operates with a first primary-to-secondary turns ratio in the first mode and with a second primary-to-secondary turns ratio in the second mode. The first turns ratio is greater than the second turns ratio. Control circuitry is configured to operate the switching circuitry in the first mode when a voltage level of the energy source is above a first threshold and to operate the switching circuitry in the second mode when the voltage level is below a second threshold. | 02-09-2012 |
20120074783 | PASSIVE IMPEDANCE MATCHING - Methods, devices, and systems for passive impedance matching are provided. An example of a method of passive impedance matching includes providing a substantially equivalent impedance between a source and a load for three single-phase power supplies via a geometry of a busbar. The busbar can be coupled to the three-phase power supplies as the source and coupled to a plurality of electronic machines as the load. | 03-29-2012 |
20120249110 | POWER CONVERTER - A power converter ( | 10-04-2012 |
20130026832 | System And Method For Balancing Input Current With Parallel Power Supplies - A method for balancing input current with at least two parallel power supplies, including the steps of defining an input current difference tolerance, measuring input current from the at least two parallel power supplies, calculating an absolute value of the difference between the two measured input currents, and when the calculated value exceeds the tolerance, performing the subset of steps including employing an adjustment technique to calculate new operating parameters for the two power supplies, configuring the two power supplies with the new operating parameters, and repeating the steps above except for the defining step. | 01-31-2013 |
20130099756 | BACKUP POWER SUPPLY SYSTEMS AND METHODS - Backup power supply systems and methods are disclosed. An exemplary method includes providing at least one battery module having a first register with at least one battery parameter. The method also includes coupling an intelligent interface converter (IIC) between the at least one battery module and an electrical load, the IIC having a second register with at least one battery parameter. The method also includes communicating the at least one battery parameter to a user for reporting and management operations. | 04-25-2013 |
20130117592 | POWER CAPPING SYSTEM - A method for power capping is disclosed. The power supplied to a load from a power supply is compared to a power capping limit | 05-09-2013 |