Title:
POWER CONVERSION DEVICE AND POWER CONVERSION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2018/150681
Kind Code:
A1
Abstract:
Provided is a power conversion device 2b which, along with an other power conversion device 2a connected in parallel thereto, supplies alternating-current power to a shared load 3 that is not electrically connected to a power system, and in which an alternating voltage command value generation unit generates an alternating voltage command value on the basis of the output power from the power conversion device 2b, the reference voltage for droop control, and the reference frequency for droop control. A control unit controls a power conversion unit such that the output voltage from the power conversion device matches the generated alternating voltage command value. A voltage compensation value generation unit generates, on the basis of the output current of the power conversion device 2b and a preset wire impedance from the output terminal of the power conversion device 2b to a connection point N1, a voltage compensation value for compensating for a voltage drop resulting from the wire impedance. The alternating voltage command value is corrected using the voltage compensation value.
Inventors:
SAWANO SATOSHI
Application Number:
PCT/JP2017/043089
Publication Date:
August 23, 2018
Filing Date:
November 30, 2017
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H02M7/48; H02M7/493
Foreign References:
| JP2006042407A | 2006-02-09 | |||
| JP2009141997A | 2009-06-25 | |||
| JP2016093100A | 2016-05-23 |
Attorney, Agent or Firm:
MORISHITA Sakaki (JP)
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