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Patent Searching and Data


Title:
AUXILIARY POWER SUPPLY DEVICE FOR STATION BUILDINGS
Document Type and Number:
WIPO Patent Application WO/2017/033328
Kind Code:
A1
Abstract:
This auxiliary power supply device for station buildings is equipped with: an operation start determination unit 21 that determines whether to convert a first AC power on the AC overhead line side into a second AC power available for loads, on the basis of a first signal, which is flow direction information showing the flow direction of power between an AC overhead line connected to electric vehicles and a substation supplying AC power to the AC overhead line, and, upon determining to perform the conversion, generates and outputs a second signal; a voltage instruction value calculation unit 22 that calculates and outputs a voltage instruction value corresponding to the second signal; and a PWM signal generation unit 23 that generates and outputs a control signal to a power converter circuit driven when converting the first AC power into the second AC power on the basis of the voltage instruction value.

Inventors:
TAKEOKA TOSHIAKI (JP)
MATSUMOTO SHINICHI (JP)
ISHIKURA SHUJI (JP)
Application Number:
PCT/JP2015/074225
Publication Date:
March 02, 2017
Filing Date:
August 27, 2015
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
B60M3/06; H02J3/38
Domestic Patent References:
WO2015019466A12015-02-12
Foreign References:
JP2007236196A2007-09-13
JPS60245408A1985-12-05
JPS59137223A1984-08-07
JPH05338481A1993-12-21
Other References:
See also references of EP 3342634A4
Attorney, Agent or Firm:
TAKAMURA, Jun (JP)
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