UPS CIRCUIT - EATON CORP

Title:

UPS CIRCUIT

Document Type and Number:

WIPO Patent Application WO/2015/131781

Kind Code:

A1

Abstract:

A UPS circuit, comprising a rectification phase leg (PL1) for rectification, which is used for converting a received alternating current into a direct current; inversion phase legs (PL21, PL22, PL23) for inversion, which are used for inverting the direct current output by the rectification phase leg into an alternating current; a failure detection device (D) which is used for detecting whether an inversion phase leg has failed; a redundant inversion phase leg (PL2a), with an input end thereof being connected to an output end of the rectification phase leg; and a control device which is used for receiving a signal sent by the failure detection device and is also used for enabling the redundant inversion phase leg to replace the inversion phase leg which has failed when a failure occurs.

Inventors:

XU ZHONGYONG (CN)
ZHENG DAVID (CN)
LIAO XIZHENG (CN)

Application Number:

PCT/CN2015/073393

Publication Date:

September 11, 2015

Filing Date:

February 28, 2015

Export Citation:

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Assignee:

EATON CORP (US)
XU ZHONGYONG (CN)
ZHENG DAVID (CN)
LIAO XIZHENG (CN)

International Classes:

H02J9/00

Foreign References:

CN2859902Y	2007-01-17
CN101582671A	2009-11-18
CN102893492A	2013-01-23
CN103219749A	2013-07-24

Other References: