JPS6228080B2 - - Google Patents

Info

Publication number
JPS6228080B2
JPS6228080B2 JP55037471A JP3747180A JPS6228080B2 JP S6228080 B2 JPS6228080 B2 JP S6228080B2 JP 55037471 A JP55037471 A JP 55037471A JP 3747180 A JP3747180 A JP 3747180A JP S6228080 B2 JPS6228080 B2 JP S6228080B2
Authority
JP
Japan
Prior art keywords
motor
current
field current
field
circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP55037471A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56136791A (en
Inventor
Hiroaki Yabu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP3747180A priority Critical patent/JPS56136791A/ja
Publication of JPS56136791A publication Critical patent/JPS56136791A/ja
Publication of JPS6228080B2 publication Critical patent/JPS6228080B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Control And Safety Of Cranes (AREA)
JP3747180A 1980-03-26 1980-03-26 Detection circuit for abnormality of hoisting driving device Granted JPS56136791A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3747180A JPS56136791A (en) 1980-03-26 1980-03-26 Detection circuit for abnormality of hoisting driving device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3747180A JPS56136791A (en) 1980-03-26 1980-03-26 Detection circuit for abnormality of hoisting driving device

Publications (2)

Publication Number Publication Date
JPS56136791A JPS56136791A (en) 1981-10-26
JPS6228080B2 true JPS6228080B2 (enrdf_load_stackoverflow) 1987-06-18

Family

ID=12498433

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3747180A Granted JPS56136791A (en) 1980-03-26 1980-03-26 Detection circuit for abnormality of hoisting driving device

Country Status (1)

Country Link
JP (1) JPS56136791A (enrdf_load_stackoverflow)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52121057U (enrdf_load_stackoverflow) * 1976-03-12 1977-09-14

Also Published As

Publication number Publication date
JPS56136791A (en) 1981-10-26

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