Title:
POWER CONVERSION CONTROLLER
Document Type and Number:
Japanese Patent JP2018137895
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To improve a power factor by calculating a reference current waveform to be used for power factor improvement by using a zero-cross point without delay.SOLUTION: A power conversion controller 20 which converts AC power into DC power by a switching operation of a switching element is provided with: a power conversion control part 150 which performs a control operation processing for controlling the switching operation of the switching element; and a zero-cross detection part 120 which detects a zero-cross point of an input voltage waveform of the AC power, and changes the control operation processing of the power conversion control part 150 into processing with short operation time in order to avoid that the zero-cross point overlaps execution timing of the control operation processing of the power conversion control part 150.SELECTED DRAWING: Figure 1
Inventors:
SHIMAMURA KOJI
Application Number:
JP2017030683A
Publication Date:
August 30, 2018
Filing Date:
February 22, 2017
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
H02M7/12
Attorney, Agent or Firm:
Michiharu Soga
Kajinami order
Kazuhiro Oyaku
Shunichi Ueda
Junichiro Yoshida
Kajinami order
Kazuhiro Oyaku
Shunichi Ueda
Junichiro Yoshida