Title:
A faulty wiring detecting device of a parallel inverter device
Document Type and Number:
Japanese Patent JP5929127
Kind Code:
B2
Abstract:
An improper wiring detecting system of a parallel inverter system can include two polyphase inverters connected in parallel, and voltage detectors to detect an output voltage of each of the phases of each of the inverters. Control units can control turning-on and -off of semiconductor switching devices of the inverters, and a wiring condition deciding means can operate at least one control unit to turn-on specified switching devices in at least one inverter to form a closed circuit between arbitrary two phases of the at least one inverter. The system can carry out comparisons among values of output voltages of the two inverters corresponding to respective phases and detected by the voltage detectors, and make a decision as to whether wiring is correct or not on the basis of the results of the comparisons.
Inventors:
Takayuki Kaneko
Application Number:
JP2011259777A
Publication Date:
June 01, 2016
Filing Date:
November 29, 2011
Export Citation:
Assignee:
Fuji Electric Co., Ltd.
International Classes:
G01R31/02; H02M7/48
Attorney, Agent or Firm:
Yuichi Morita