JPS5421515A - Rotation switching system - Google Patents

Rotation switching system

Info

Publication number
JPS5421515A
JPS5421515A JP8644877A JP8644877A JPS5421515A JP S5421515 A JPS5421515 A JP S5421515A JP 8644877 A JP8644877 A JP 8644877A JP 8644877 A JP8644877 A JP 8644877A JP S5421515 A JPS5421515 A JP S5421515A
Authority
JP
Japan
Prior art keywords
power source
switching system
rotation switching
switching
low frequency
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
JP8644877A
Other languages
Japanese (ja)
Inventor
Masanori Kanda
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP8644877A priority Critical patent/JPS5421515A/en
Publication of JPS5421515A publication Critical patent/JPS5421515A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To make shockless when switching from low frequency power source equipment to commercial power source, by lightening load and gradually increasing the frequency of low frequency power source equipment then accelerating the motor smoothly and switching to commercial power source.
COPYRIGHT: (C)1979,JPO&Japio
JP8644877A 1977-07-18 1977-07-18 Rotation switching system Pending JPS5421515A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8644877A JPS5421515A (en) 1977-07-18 1977-07-18 Rotation switching system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8644877A JPS5421515A (en) 1977-07-18 1977-07-18 Rotation switching system

Publications (1)

Publication Number Publication Date
JPS5421515A true JPS5421515A (en) 1979-02-17

Family

ID=13887200

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8644877A Pending JPS5421515A (en) 1977-07-18 1977-07-18 Rotation switching system

Country Status (1)

Country Link
JP (1) JPS5421515A (en)

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