POWER SUPPLY SYSTEM AND POWER SUPPLY DEVICE

Japanese Patent JP2017229222

A

PROBLEM TO BE SOLVED: To provide a power supply system comprising a plurality of power supply devices connected in parallel to a common load, the power supply system being capable of performing stable control so as to equalize current output from the respective power supply devices to the load without introducing an external controller.SOLUTION: A power supply system comprises a plurality of power supply devices 1 connected in common to a load 2. A first power supply device 1 calculates control information for controlling voltage or current to be output to the load 2; and on the basis of the calculated control information, controls output to the load 2 and transmits the control information to a second power supply device 1. The second power supply device 1 receives the control information transmitted from the first power supply device 1; on the basis of the received control information, controls output to the load 2 and detects current to be output from the second power supply device to the load 2; and transmits current information to the first power supply device 1. The first power supply device 1 receives the current information transmitted from the second power supply device 1; and on the basis of the received current information and current and voltage detected by the first power supply device, calculates control information.SELECTED DRAWING: Figure 1

KAWAI HIROKAZU
HOU SONG JIE
SHIOZAKI HIDEO
MANABE AKIHIKO
NAMITA AKIRA
MIZUTORI HIROYASU
NISHISAKA FUTOSHI
ONISHI TAKANORI

JP2016202739A

December 28, 2017

October 14, 2016

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DAIHEN CORP

H02M3/28

JP2013038864A	2013-02-21
JP2009296876A	2009-12-17
JP2015027143A	2015-02-05
JP2015198458A	2015-11-09
JP2006116556A	2006-05-11
JP2007020305A	2007-01-25
JP2003304679A	2003-10-24

Hideno Kono
Nobuo Kono

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