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Electric power devices with automatically established input voltage connection configuration

A technology of power equipment and voltage level, applied in the field of power equipment with automatic establishment of input voltage connection configuration, can solve the problems of increasing the complexity of product manufacturing and distribution, changing power equipment, etc., achieving good line utilization and eliminating hardware damage The risk of small changes in the effect

Pending Publication Date: 2019-07-05
IBM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This adds to the complexity of product manufacturing and distribution and requires the use of the proper electrical equipment in place
For example, if a computer or data center is relocated, if a change occurs, then utility power codes for the new location may require changes to electrical equipment

Method used

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  • Electric power devices with automatically established input voltage connection configuration
  • Electric power devices with automatically established input voltage connection configuration
  • Electric power devices with automatically established input voltage connection configuration

Examples

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Embodiment Construction

[0020] Power equipment such as alternating current / direct current (AC / DC) power supplies and power distribution units (PDUs) need to operate based on the available global voltage range. Countries or regions in the world can generally be divided into two line voltage ranges, some countries are in the low voltage range of 200V-208V, and other countries or regions are in the high voltage range of 380V-415V, for example. In contrast, for example, most power supplies used in computers, servers, data centers, etc. use an input voltage range of 200V-240V. AC line voltage or input voltage is in the low voltage range, power equipment can be connected in a phase-to-phase (delta) configuration to draw line voltage from the power source, for example Figure 1A Shown in.

[0021] In particular, Figure 1A An embodiment of the power supply circuit 100 is shown, which has an input power source or AC voltage source 101, the AC voltage source 101 has a line voltage in the low voltage range of 200V-...

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PUM

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Abstract

Electric power devices and control methods are provided which automatically select a line voltage or phase voltage of an AC voltage supply. The electric power device includes a switchable circuit, a sensor and a switch control. The switchable circuit connects to the AC voltage supply, and includes multiple switchable elements. The sensor ascertains a voltage level of the AC voltage supply, and theswitch control automatically establishes a configuration of the switchable circuit through control of the multiple switchable elements. The switch control couples the electric power device in a line-line (delta) configuration to the AC voltage supply when the voltage level is in a first voltage range, and a line-neutral (wye) configuration when the voltage level is in a second voltage range.

Description

Background technique [0001] The utility power regulations of different countries and / or regions in the world can vary. For example, the power supply in the United States, Japan, and other countries is usually in the low-voltage range of 200V-208V, and the power supply in Europe and some other parts of the world is usually in the high-voltage range of 380V-415V. Therefore, computers, servers, data centers, etc. in different countries or regions in the world may have different source voltages, and therefore may need to be configured differently for the specific countries or regions in which they are used. This increases the complexity of product manufacturing and distribution, and requires the use of appropriate electrical equipment in appropriate locations. For example, if there is a change, if the computer or data center is relocated, then the utility power specification at the new location may require changes to the power equipment. For example, in view of the different utili...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/12
CPCH02M7/1623H02M1/32G01R19/16547H02M7/06
Inventor R·施拉克S·J·阿拉达斯K·R·科维L·詹金斯
Owner IBM CORP
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