JPS5683280A - Controlling system for thristor-started synchronous machine - Google Patents

Controlling system for thristor-started synchronous machine

Info

Publication number
JPS5683280A
JPS5683280A JP15808279A JP15808279A JPS5683280A JP S5683280 A JPS5683280 A JP S5683280A JP 15808279 A JP15808279 A JP 15808279A JP 15808279 A JP15808279 A JP 15808279A JP S5683280 A JPS5683280 A JP S5683280A
Authority
JP
Japan
Prior art keywords
motor
main transformer
synchronous machine
generator
magnetic flux
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
JP15808279A
Other languages
Japanese (ja)
Inventor
Yutaka Suenami
Takaaki Namihira
Masuo Goto
Akira Yokoshima
Hiroshi Sugisaka
Takeshi Okuyama
Takao Suzuki
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.)
Kyushu Electric Power Co Inc
Hitachi Ltd
Original Assignee
Kyushu Electric Power Co Inc
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 Kyushu Electric Power Co Inc, Hitachi Ltd filed Critical Kyushu Electric Power Co Inc
Priority to JP15808279A priority Critical patent/JPS5683280A/en
Publication of JPS5683280A publication Critical patent/JPS5683280A/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
    • H02P1/52—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 progressive increase of frequency of supply to motor

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor And Converter Starters (AREA)
  • Stopping Of Electric Motors (AREA)

Abstract

PURPOSE:To start a synchronous machine smoothly under avoiding a magnetic saturation of a main transformer at initial starting of the synchronous machine by a method wherein a field voltage is decreased when the synchronous machine is started, and then the field voltage is controlled so that a residual magnetic flux density of the main transformer becomes almost zero when it is stopped. CONSTITUTION:To stop a generating operation of a generator-motor 9, a circuit braker 16 is opened to decrease a rotational frequency of the generator-motor, and when it comes to a given rotational speed, a field voltage is decreased slowly to keep a residual magnetic flux of a main transformer 13 almost at zero. When the generator-motor 9 is activated as a motor through thryistor converters 1, 2, the field voltage is set at 1/2 or below of (main transfomer saturated magnetic flux density)/ (main transformer rated magnetic flux density) until it reaches a set speed, thereby starting the generator-motor 9 smoothly under avoiding a magnetic saturation of the main transformer 13 at initial starting.
JP15808279A 1979-12-07 1979-12-07 Controlling system for thristor-started synchronous machine Pending JPS5683280A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15808279A JPS5683280A (en) 1979-12-07 1979-12-07 Controlling system for thristor-started synchronous machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15808279A JPS5683280A (en) 1979-12-07 1979-12-07 Controlling system for thristor-started synchronous machine

Publications (1)

Publication Number Publication Date
JPS5683280A true JPS5683280A (en) 1981-07-07

Family

ID=15663890

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15808279A Pending JPS5683280A (en) 1979-12-07 1979-12-07 Controlling system for thristor-started synchronous machine

Country Status (1)

Country Link
JP (1) JPS5683280A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62114494A (en) * 1985-11-13 1987-05-26 Yamamoto Denki Kogyo Kk Controller for synchronous motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62114494A (en) * 1985-11-13 1987-05-26 Yamamoto Denki Kogyo Kk Controller for synchronous motor

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