Title:
POWER SOURCE QUALITY MANAGEMENT SYSTEM AND AIR-CONDITIONING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/187722
Kind Code:
A1
Abstract:
According to the present invention, power is supplied to a power conversion device (3) from an alternating-current power source (1). An active filter device (2) that is a power source quality improvement part improves the quality of the alternating-current power source (1). A controller (37) regulates the operation of the power conversion device (3) such that a power source power, a power source current, and a power source harmonic when a malfunction detection part (4) has detected that the active filter device (2) is malfunctioning are at or below maximum values for the power source power, the power source current, and the power source harmonic when the active filter device (2) is not malfunctioning.
Inventors:
TAKAHASHI JUN (JP)
KONO MASAKI (JP)
KAWASHIMA REIJI (JP)
KONO MASAKI (JP)
KAWASHIMA REIJI (JP)
Application Number:
PCT/JP2019/005062
Publication Date:
October 03, 2019
Filing Date:
February 13, 2019
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
H02M1/12; H02M7/12; H02M7/48
Foreign References:
| JP2010193646A | 2010-09-02 | |||
| JPH07115772A | 1995-05-02 | |||
| JPH1175363A | 1999-03-16 | |||
| JPH075942A | 1995-01-10 | |||
| JPH09200956A | 1997-07-31 | |||
| JPS5342528B2 | 1978-11-13 |
Other References:
See also references of EP 3764528A4
Attorney, Agent or Firm:
MAEDA & PARTNERS (JP)
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