Title:
モーター電源供給装置
Document Type and Number:
Japanese Patent JP4040592
Kind Code:
B2
Abstract:
A motor power supply including a DC supply part having a pair of supply terminals; an inverter having a pair of connection terminals respectively connected to the supply terminals thereof to receive DC power therefrom and to supply AC power to a motor, a breaking resistor and a control switching element disposed in parallel in an additional line connecting the pair of connection terminals to each other, a control switching element disposed with the breaking resistor in the additional line, a breaking switch disposed to one of the connection terminals and switched to either a normal position or a breaking position connecting the one connection terminal to a corresponding supply part or to the additional line, a speed detector detecting a motor speed and a control part controlling the breaking switch to switch to the breaking position and controlling the control switching element so that an on-off interval of the control switching element is controllable depending on the detected speed.
Inventors:
Long Hyun
Application Number:
JP2004096939A
Publication Date:
January 30, 2008
Filing Date:
March 29, 2004
Export Citation:
Assignee:
Samsung Electronics Co.,Ltd.
International Classes:
H02P3/18; H02M7/5387; H02P3/12; H02P3/22
Domestic Patent References:
| JP55109302U | ||||
| JP2001341987A | ||||
| JP9289786A | ||||
| JP6233552A |
Attorney, Agent or Firm:
Masatake Shiga
Takashi Watanabe
Takashi Watanabe