JPS5438517A - Variable frequency converter - Google Patents

Variable frequency converter

Info

Publication number
JPS5438517A
JPS5438517A JP10487377A JP10487377A JPS5438517A JP S5438517 A JPS5438517 A JP S5438517A JP 10487377 A JP10487377 A JP 10487377A JP 10487377 A JP10487377 A JP 10487377A JP S5438517 A JPS5438517 A JP S5438517A
Authority
JP
Japan
Prior art keywords
frequency converter
variable frequency
output
reactor
closes
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
JP10487377A
Other languages
Japanese (ja)
Inventor
Takao Miyamoto
Nobunori Matsudaira
Daisaku Morinaga
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 JP10487377A priority Critical patent/JPS5438517A/en
Publication of JPS5438517A publication Critical patent/JPS5438517A/en
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Ac Motors In General (AREA)

Abstract

PURPOSE: When driving AC motor through variable frequency converter, to supply stable output by connecting AC reactor through switch which closes only when output frequency is high.
COPYRIGHT: (C)1979,JPO&Japio
JP10487377A 1977-09-02 1977-09-02 Variable frequency converter Pending JPS5438517A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10487377A JPS5438517A (en) 1977-09-02 1977-09-02 Variable frequency converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10487377A JPS5438517A (en) 1977-09-02 1977-09-02 Variable frequency converter

Publications (1)

Publication Number Publication Date
JPS5438517A true JPS5438517A (en) 1979-03-23

Family

ID=14392327

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10487377A Pending JPS5438517A (en) 1977-09-02 1977-09-02 Variable frequency converter

Country Status (1)

Country Link
JP (1) JPS5438517A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5846889A (en) * 1981-09-14 1983-03-18 Toshiba Corp Primary voltage control device of induction motor
JP4912553B2 (en) * 2000-01-13 2012-04-11 ドリームウェル リミテッド Bed structure with reduced deflection

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5846889A (en) * 1981-09-14 1983-03-18 Toshiba Corp Primary voltage control device of induction motor
JP4912553B2 (en) * 2000-01-13 2012-04-11 ドリームウェル リミテッド Bed structure with reduced deflection

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