JPS54131711A - Squirrel-cage motor - Google Patents

Squirrel-cage motor

Info

Publication number
JPS54131711A
JPS54131711A JP3918278A JP3918278A JPS54131711A JP S54131711 A JPS54131711 A JP S54131711A JP 3918278 A JP3918278 A JP 3918278A JP 3918278 A JP3918278 A JP 3918278A JP S54131711 A JPS54131711 A JP S54131711A
Authority
JP
Japan
Prior art keywords
contactor
starting
motor
connection
closing
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.)
Granted
Application number
JP3918278A
Other languages
Japanese (ja)
Other versions
JPS607913B2 (en
Inventor
Katsumasa Okura
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 JP3918278A priority Critical patent/JPS607913B2/en
Publication of JPS54131711A publication Critical patent/JPS54131711A/en
Publication of JPS607913B2 publication Critical patent/JPS607913B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Motor And Converter Starters (AREA)

Abstract

PURPOSE: To ensure a large starting torque by restricting the starting current through combination of a starting transformer provided on the primary side of a motor and Δ connection empolying the motor having the primary winding changeabl in Y-Δ.
CONSTITUTION: When starting a motor 1, a contactor system is closed in the order of a Δ connection contactor 2, a starting transformer neutral point contactor 3 and a main contactor 4. Here, the motor starts with the primary side winding and the Δ connection through a starting transformer 7 on the power supply side. After the starting is completed, the motor is operated as rated according to the following procedures in order: closing an auxiliary contactor, opening the starting transformer neutral point contactor 3, opening the Δ connection contactor 2 and closing a Y connection contactor 6.
COPYRIGHT: (C)1979,JPO&Japio
JP3918278A 1978-04-05 1978-04-05 Squirrel cage three-phase induction motor Expired JPS607913B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3918278A JPS607913B2 (en) 1978-04-05 1978-04-05 Squirrel cage three-phase induction motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3918278A JPS607913B2 (en) 1978-04-05 1978-04-05 Squirrel cage three-phase induction motor

Publications (2)

Publication Number Publication Date
JPS54131711A true JPS54131711A (en) 1979-10-13
JPS607913B2 JPS607913B2 (en) 1985-02-27

Family

ID=12545961

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3918278A Expired JPS607913B2 (en) 1978-04-05 1978-04-05 Squirrel cage three-phase induction motor

Country Status (1)

Country Link
JP (1) JPS607913B2 (en)

Also Published As

Publication number Publication date
JPS607913B2 (en) 1985-02-27

Similar Documents

Publication Publication Date Title
JPS54131711A (en) Squirrel-cage motor
JPS5556457A (en) Dc motor
JPS5681287A (en) Power supply device to drive internal pump motor
JPS54121916A (en) Single phase ac motor control system
JPS54154019A (en) Method of operating generator
JPS54145941A (en) Method of controlling starting of non-utility electric generator
JPS5393316A (en) Starter of induction motor
JPS54120815A (en) Test-charging method of line for generator
JPS55100099A (en) Initial load control system for generator
JPS5419116A (en) Thyristor starter for generator-motor
JPS52101411A (en) Induction motor controller
JPS5526041A (en) Automatic switching circuit for electric machine
JPS5561299A (en) Excitation controller of synchronous generator
JPS552367A (en) Reactor starting circuit
JPS5365925A (en) Cyclo-converter
JPS55109193A (en) Stationary scherbius system controller
JPS5561286A (en) Starting relay device of single-phase induction motor
JPS5338010A (en) Drive circuit system for electric car provided with flywheel
JPS5461623A (en) Secondary excitation controller for induction motor
JPS5746684A (en) Starter for rotary electric machine
JPS5279217A (en) Starting method of three-phase induction motor
JPS5297144A (en) Overcurrent protection means
JPS5656190A (en) Double voltage single-phase motor
JPS55157903A (en) Electric motor vehicle controlling device
JPS543217A (en) Ac motor starting