发明名称 |
Chopper control device |
摘要 |
A chopper control device is disclosed, comprising: a series circuit having a dc power source, a dc load, and a thyristor; a transistor connected in parallel to the thyristor; a current transformer having a primary winding for detecting the load current; and another transistor for deriving a current from a secondary winding of the current transformer and supplying it to the base of the transistor.
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申请公布号 |
US4107772(A) |
申请公布日期 |
1978.08.15 |
申请号 |
US19760741673 |
申请日期 |
1976.11.15 |
申请人 |
MITSUBISHI DENKI KABUSHIKI KAISHA |
发明人 |
UCHIDA, RYOHEI;UTSUMI, SATOSHI;AKAMATSU, MASAHIKO |
分类号 |
H02M1/06;H02M3/135;H03K17/73;(IPC1-7):H02M7/51 |
主分类号 |
H02M1/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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