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Fuel cell and battery backup power supply in power system

A backup power supply and power system technology, applied in the direction of fuel energy technology, battery circuit devices, emergency power supply arrangements, etc., can solve problems such as unsuitable for high-quality UPS systems, power management technology without description, and potential advantages that cannot be balanced

Pending Publication Date: 2022-03-01
CATERPILLAR INC
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the system described in the '524 patent does not implement any power conditioning techniques and is therefore not suitable for use in high quality UPS systems
Furthermore, the '524 patent does not describe any power management techniques for fuel cells (e.g., vaporization), power factor conversion, or any supervisory control of the conversion process, power sharing, and power output back to the utility grid
Therefore, the system described in '524 also does not balance the potential advantages of fuel cell systems in UPS environments

Method used

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  • Fuel cell and battery backup power supply in power system
  • Fuel cell and battery backup power supply in power system
  • Fuel cell and battery backup power supply in power system

Examples

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Embodiment Construction

[0014] figure 1 An example power system 100 of the present invention is shown. As described below, the techniques and systems described herein relate to UPS systems and / or other power systems including integrated fuel cells and / or energy storage device backup power. In this example, the power system 100 includes a main power source 102, a fuel cell 104 arranged as a backup power source, and an energy storage device 106 arranged as another backup power source. The power system 100 is arranged with various electrical components, described in more detail below, to generate power from a main power source 102, a fuel cell 104, an energy storage device 106, or from any of these power sources (via a DC / AC inverter with a transformer as required). The combination provides power (eg, AC voltage) to the target load. In various examples, target loads include any facility or equipment that requires power to operate. As used herein, a UPS system refers to a power system that includes at...

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Abstract

An uninterruptible power supply (UPS) system or other power system includes a primary power supply and a fuel cell and battery system as a backup power supply. The fuel cell and battery backup system are integrated into the main power supply to reduce the required power components and provide high quality power regulation for the UPS system. The control system receives and analyzes data from the main power source and the fuel cell and battery backup system to perform advanced power management and sharing, manage transitions, output power to the grid, and manage vaporization loss at the fuel cell.

Description

technical field [0001] The present invention relates generally to uninterruptible power supply (UPS) systems and other backup power systems used by power sensitive applications. More specifically, the present invention describes UPS and backup power systems including fuel cells, battery systems, and power management control systems configured to provide UPS functionality, power sharing, and high quality power conditioning. Background technique [0002] UPS systems and other backup power systems are used to provide power protection in critical and power-sensitive environments in the event of a power loss from the main power source. Environments such as hospitals, data centers, mining sites, and critical information technology (IT) applications use UPSs to keep computers and other equipment safe and functional during power outages and major losses. A UPS system typically includes a generator set and / or other battery backup system configured to detect a loss of power from a pr...

Claims

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Application Information

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IPC IPC(8): H02J9/06
CPCH02J9/06H02J9/068H02J9/062H02J9/061H02J2300/30Y02P90/40H02J7/34H02J7/0068
Inventor S·B·雷迪D·M·米拉姆
Owner CATERPILLAR INC
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