JPS55133688A - Start controller for synchronous machine - Google Patents

Start controller for synchronous machine

Info

Publication number
JPS55133688A
JPS55133688A JP4094779A JP4094779A JPS55133688A JP S55133688 A JPS55133688 A JP S55133688A JP 4094779 A JP4094779 A JP 4094779A JP 4094779 A JP4094779 A JP 4094779A JP S55133688 A JPS55133688 A JP S55133688A
Authority
JP
Japan
Prior art keywords
instruction
starting
circuit
field current
control circuit
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
JP4094779A
Other languages
Japanese (ja)
Inventor
Hiroshi Sugisaka
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 JP4094779A priority Critical patent/JPS55133688A/en
Publication of JPS55133688A publication Critical patent/JPS55133688A/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)

Abstract

PURPOSE:To smoothly start a synchronous motor dynamo, by providing a means for reducing the field current in starting thyristors by a high voltage synchronization system and for eliminating a field current instruction at a prescribed time. CONSTITUTION:When a synchronous motor dynamo 9 is started as a synchronous motor, circuit breakers 17, 19 and a disconnecting switch 14 on the side of the motor are closed. Gate pulses are applied to a thyristor converter 1 through a speed control circuit 7, a current control circuit 6 and a gate circuit 4 in accordance with an instruction from a run instruction unit 8. Pulses are applied in prescribed phase order to another thyristor converter 2 from a gate circuit 5 to start the motor dynamo 9. A starting control circuit 101 is provided to apply a field current reducing instruction to an exciter 12 in starting and count the number of times of output of a current restriction circuit 24 after the starting. When the counted number reaches a prescribed value, the field current reducing instruction is eliminated.
JP4094779A 1979-04-06 1979-04-06 Start controller for synchronous machine Pending JPS55133688A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4094779A JPS55133688A (en) 1979-04-06 1979-04-06 Start controller for synchronous machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4094779A JPS55133688A (en) 1979-04-06 1979-04-06 Start controller for synchronous machine

Publications (1)

Publication Number Publication Date
JPS55133688A true JPS55133688A (en) 1980-10-17

Family

ID=12594693

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4094779A Pending JPS55133688A (en) 1979-04-06 1979-04-06 Start controller for synchronous machine

Country Status (1)

Country Link
JP (1) JPS55133688A (en)

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