发明名称 |
CONTROL MEANS FOR DDC MOTOR |
摘要 |
PURPOSE:To smooth speed characteristics of and alleviate burden in the design of a d - c motor, in which an armature current is caused to flow only in one direction while causing field current in opposite directions, by a control means adapted to vary the armature current when a torque command exceeds the positive or negative limit value of the fueld current.
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申请公布号 |
JPS5220210(A) |
申请公布日期 |
1977.02.16 |
申请号 |
JP19750095765 |
申请日期 |
1975.08.08 |
申请人 |
HITACHI LTD |
发明人 |
INABA HIROMI;SHIMA KIYONARI;TASHIRO KOREFUMI;ANDOU TAKEKI |
分类号 |
H02P7/06;B66B1/30;H02P7/28;H02P7/298 |
主分类号 |
H02P7/06 |
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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