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Patent Searching and Data


Title:
THYRISTOR STARTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/235187
Kind Code:
A1
Abstract:
A thyristor starting device (100) for accelerating a synchronous machine (20) from a stopped state to a prescribed rotation speed by sequentially executing a first mode for performing inverter (2) commutation by intermittently switching the DC output current (Id) to zero, and a second mode for performing inverter (2) commutation using the induced voltage of the synchronous machine (20). A second control unit (13) controls the ignition phase of a thyristor of a converter in a manner such that the DC output current of the converter (1) matches a current command value, on the basis of the detection signal from the phase detector (7). The current command value in the first mode is set in a manner such that the current value increases as the rotation speed of the synchronous machine (20) increases.

Inventors:
MATSUMOTO YASUAKI (JP)
OGINO HIROSHI (JP)
KAWAGUCHI HIRONORI (JP)
ANDO AKINOBU (JP)
Application Number:
JP2017/022842
Publication Date:
December 27, 2018
Filing Date:
June 21, 2017
Export Citation:
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Assignee:
TOSHIBA MITSUBISHI ELEC IND (JP)
International Classes:
H02P1/46; H02P6/20; H02P9/08; H02P27/06
Domestic Patent References:
WO2013168282A12013-11-14
WO2014033849A12014-03-06
WO2014033849A12014-03-06
Foreign References:
CN102751781A2012-10-24
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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