JPS51121118A - Speed control means for induction motor - Google Patents

Speed control means for induction motor

Info

Publication number
JPS51121118A
JPS51121118A JP50045215A JP4521575A JPS51121118A JP S51121118 A JPS51121118 A JP S51121118A JP 50045215 A JP50045215 A JP 50045215A JP 4521575 A JP4521575 A JP 4521575A JP S51121118 A JPS51121118 A JP S51121118A
Authority
JP
Japan
Prior art keywords
control means
speed control
induction motor
inverter
vanishment
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.)
Pending
Application number
JP50045215A
Other languages
Japanese (ja)
Inventor
Takayuki Yoshioka
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 JP50045215A priority Critical patent/JPS51121118A/en
Publication of JPS51121118A publication Critical patent/JPS51121118A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To provide a speed control means for an induction motor, in which the commutation failure of an inverter is prevented by so arranging as to reliably detect vanishment of inverter current with a simple construction.
COPYRIGHT: (C)1976,JPO&Japio
JP50045215A 1975-04-16 1975-04-16 Speed control means for induction motor Pending JPS51121118A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50045215A JPS51121118A (en) 1975-04-16 1975-04-16 Speed control means for induction motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50045215A JPS51121118A (en) 1975-04-16 1975-04-16 Speed control means for induction motor

Publications (1)

Publication Number Publication Date
JPS51121118A true JPS51121118A (en) 1976-10-22

Family

ID=12713033

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50045215A Pending JPS51121118A (en) 1975-04-16 1975-04-16 Speed control means for induction motor

Country Status (1)

Country Link
JP (1) JPS51121118A (en)

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