JPS5681086A - Controlling device of synchronous motor - Google Patents

Controlling device of synchronous motor

Info

Publication number
JPS5681086A
JPS5681086A JP15805879A JP15805879A JPS5681086A JP S5681086 A JPS5681086 A JP S5681086A JP 15805879 A JP15805879 A JP 15805879A JP 15805879 A JP15805879 A JP 15805879A JP S5681086 A JPS5681086 A JP S5681086A
Authority
JP
Japan
Prior art keywords
starting
field winding
operating
opened
switch
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
JP15805879A
Other languages
Japanese (ja)
Inventor
Taisuke Iimura
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP15805879A priority Critical patent/JPS5681086A/en
Publication of JPS5681086A publication Critical patent/JPS5681086A/en
Pending 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
    • H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
    • H02P1/16—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters
    • H02P1/46—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual synchronous motor
    • H02P1/50—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual synchronous motor by changing over from asynchronous to synchronous operation

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor And Converter Starters (AREA)

Abstract

PURPOSE:To make it possible to obtain an appropriate phase with sureness and at a low cost, by connecting rectifyer in parallel to a part of a discharge resistor connected to a field winding through a switch which is closed when starting and opened when operating. CONSTITUTION:A field winding 1 of a synchronous motor is led to a stationary section through a slip ring which is not shown in the sketck, a discharge resistor 3 is connected through the first switch 2 which is closed when starting and opened when operating, and an exciting power source 6 equipped with field resistor 5 is connected through the second switch 4 which is opened when starting and closed when operating. A rectifying 7 is connected in parallel with the discharge resistor 3, and when starting, shortcircuit current is made to pass in the same direction as that of exciting current of the field winding passing at the time when operating. The AC current passing at the time of starting of the field winding passes more in the direction of the exciting current passing at the time of operation, and as it undergoes DC excitation by voltage generating from its own field winding, it becomes able to automatically obtain a suitable phase to rotary field polarity of a stator.
JP15805879A 1979-12-07 1979-12-07 Controlling device of synchronous motor Pending JPS5681086A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15805879A JPS5681086A (en) 1979-12-07 1979-12-07 Controlling device of synchronous motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15805879A JPS5681086A (en) 1979-12-07 1979-12-07 Controlling device of synchronous motor

Publications (1)

Publication Number Publication Date
JPS5681086A true JPS5681086A (en) 1981-07-02

Family

ID=15663367

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15805879A Pending JPS5681086A (en) 1979-12-07 1979-12-07 Controlling device of synchronous motor

Country Status (1)

Country Link
JP (1) JPS5681086A (en)

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