JPH0368640B2 - - Google Patents

Info

Publication number
JPH0368640B2
JPH0368640B2 JP60007706A JP770685A JPH0368640B2 JP H0368640 B2 JPH0368640 B2 JP H0368640B2 JP 60007706 A JP60007706 A JP 60007706A JP 770685 A JP770685 A JP 770685A JP H0368640 B2 JPH0368640 B2 JP H0368640B2
Authority
JP
Japan
Prior art keywords
power supply
switching
motor
power source
power
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 - Lifetime
Application number
JP60007706A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61167394A (ja
Inventor
Shinji Takada
Yoshihiko Hirosaki
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 JP60007706A priority Critical patent/JPS61167394A/ja
Priority to KR1019850005224A priority patent/KR900000767B1/ko
Priority to DE8585305375T priority patent/DE3583262D1/de
Priority to EP90116144A priority patent/EP0409286B1/en
Priority to DE3588032T priority patent/DE3588032T2/de
Priority to EP85305375A priority patent/EP0171245B1/en
Publication of JPS61167394A publication Critical patent/JPS61167394A/ja
Priority to US07/494,840 priority patent/US4977363A/en
Publication of JPH0368640B2 publication Critical patent/JPH0368640B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
    • H02P25/16—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring
    • H02P25/18—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring with arrangements for switching the windings, e.g. with mechanical switches or relays
    • H02P25/20—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring with arrangements for switching the windings, e.g. with mechanical switches or relays for pole-changing
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H02H7/085—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Ac Motors In General (AREA)
JP60007706A 1984-07-28 1985-01-18 電源切替装置 Granted JPS61167394A (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP60007706A JPS61167394A (ja) 1985-01-18 1985-01-18 電源切替装置
KR1019850005224A KR900000767B1 (ko) 1985-01-18 1985-07-22 전동기의 급전제어방식
DE8585305375T DE3583262D1 (de) 1984-07-28 1985-07-29 Ueberhitzungsschutz fuer wechselstrommotor.
EP90116144A EP0409286B1 (en) 1984-07-28 1985-07-29 Overheat preventing system of A.C. motor
DE3588032T DE3588032T2 (de) 1984-07-28 1985-07-29 Überhitzungsschutz für Wechselstrommotor.
EP85305375A EP0171245B1 (en) 1984-07-28 1985-07-29 Overheat preventing system of a.c. motor
US07/494,840 US4977363A (en) 1984-07-28 1990-03-16 Overheat preventing system of A.C. motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60007706A JPS61167394A (ja) 1985-01-18 1985-01-18 電源切替装置

Publications (2)

Publication Number Publication Date
JPS61167394A JPS61167394A (ja) 1986-07-29
JPH0368640B2 true JPH0368640B2 (https=) 1991-10-29

Family

ID=11673186

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60007706A Granted JPS61167394A (ja) 1984-07-28 1985-01-18 電源切替装置

Country Status (1)

Country Link
JP (1) JPS61167394A (https=)

Also Published As

Publication number Publication date
JPS61167394A (ja) 1986-07-29

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees