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Title:
UNINTERRUPTIBLE POWER SUPPLY SYSTEM
Document Type and Number:
Japanese Patent JP2015073416
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an uninterruptible power supply system capable of outputting a high voltage and having high efficiency.SOLUTION: The uninterruptible power supply system includes: an input transformer 1 including a first winding receiving AC power from a commercial AC power supply 10, and a plurality of second windings insulated from each other; a high voltage uninterruptible power supply device 2 including a plurality of uninterruptible power supply devices respectively receiving AC power from the plurality of second windings and connected serially to a load 12; an energy storage device 4 connected in parallel to the load 12, storing rotational energy in a flywheel device 8 during a normal time and converting the rotational energy into AC power to supply the AC power to the load 12 during a power interruption. The uninterruptible power supply system does not use an output transformer, and thus high efficiency is obtained.

Inventors:
TOYODA MASARU
Application Number:
JP2013209074A
Publication Date:
April 16, 2015
Filing Date:
October 04, 2013
Export Citation:
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Assignee:
TOSHIBA MITSUBISHI ELEC INC
International Classes:
H02J9/06; G06F1/26; H02J7/34; H02J15/00; H02M7/49
Domestic Patent References:
JPH04368496A1992-12-21
JPH1070886A1998-03-10
JPH11122943A1999-04-30
JPH01214238A1989-08-28
JP2013110887A2013-06-06
JP2007124732A2007-05-17
Attorney, Agent or Firm:
Fukami patent office