Title:
直流負荷制御装置
Document Type and Number:
Japanese Patent JP2004522400
Kind Code:
A
Abstract:
A control unit of controlling a direct-current load (M1), said control unit comprising a DC/DC bridge (B1) provided with controllable semiconductor switches (UT, UB, VT, VB, WT, WB) and having two bridge sections (B11, B12), one (B12) of which conducts direct current while the other one (B11) is controlled via PWM to regulate the current magnitude. The bridge section controlled via PWM consists of two bridge arms (B111, B112), and the semiconductor switches (UT, UB, VT, VB) in these bridge arms are turned on alternately.
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Inventors:
Yahak Conen, Pekka
Putkinen, food
Putkinen, food
Application Number:
JP2003533381A
Publication Date:
July 22, 2004
Filing Date:
September 24, 2002
Export Citation:
Assignee:
KONE CORPORATION
International Classes:
H02P7/29; H02M3/158; (IPC1-7): H02P7/29
Attorney, Agent or Firm:
Takao Katori