JPS5631375A - Hunting preventing circuit for current type inverter - Google Patents

Hunting preventing circuit for current type inverter

Info

Publication number
JPS5631375A
JPS5631375A JP10687579A JP10687579A JPS5631375A JP S5631375 A JPS5631375 A JP S5631375A JP 10687579 A JP10687579 A JP 10687579A JP 10687579 A JP10687579 A JP 10687579A JP S5631375 A JPS5631375 A JP S5631375A
Authority
JP
Japan
Prior art keywords
converting circuit
load
power
hunting
controlled
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
JP10687579A
Other languages
Japanese (ja)
Other versions
JPS5926191B2 (en
Inventor
Hiroki Shimizu
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.)
Shinko Electric Co Ltd
Original Assignee
Shinko 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 Shinko Electric Co Ltd filed Critical Shinko Electric Co Ltd
Priority to JP54106875A priority Critical patent/JPS5926191B2/en
Publication of JPS5631375A publication Critical patent/JPS5631375A/en
Publication of JPS5926191B2 publication Critical patent/JPS5926191B2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/66—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal
    • H02M7/68—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters
    • H02M7/72—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/75—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
    • H02M7/757—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
    • H02M7/7575—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only for high voltage direct transmission link

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Ac-Ac Conversion (AREA)
  • Inverter Devices (AREA)

Abstract

PURPOSE:To prevent the generation of hunting due to the lag of detection by a method wherein a power-factor is detected on the basis of voltage and currents between an inverse converting circuit and load, and differentiated, and an ingition period of the inverse converting circuit is controlled by the output. CONSTITUTION:An AC power source 1 is flowed through a current type inverter consisting of a forward converting circuit 2, a constant-current reactor 4 and an inverse converting circuit 3, and power is supplied to load 5. Load voltage is detected by means of a transformer 10 and load currents by means of a current transformer 14 and a rectifier 15 and added to a power-factor detector 13, the output is provided to a V/F converter 17 through a differentiator 16, and the frequency of the inverse converting circuit 3 is controlled. Consequently, signals given from an instructing instrument 11 are added to the V/F converter 17 from a ramp function generator 12, and compared with output from the differentiator 16, and the inverter is controlled. Thus, the generation of hunting due to the lag of detection is prevented even when light load, and hunting can efficiently be obviated.
JP54106875A 1979-08-21 1979-08-21 Current source inverter disturbance prevention circuit Expired JPS5926191B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP54106875A JPS5926191B2 (en) 1979-08-21 1979-08-21 Current source inverter disturbance prevention circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP54106875A JPS5926191B2 (en) 1979-08-21 1979-08-21 Current source inverter disturbance prevention circuit

Publications (2)

Publication Number Publication Date
JPS5631375A true JPS5631375A (en) 1981-03-30
JPS5926191B2 JPS5926191B2 (en) 1984-06-25

Family

ID=14444697

Family Applications (1)

Application Number Title Priority Date Filing Date
JP54106875A Expired JPS5926191B2 (en) 1979-08-21 1979-08-21 Current source inverter disturbance prevention circuit

Country Status (1)

Country Link
JP (1) JPS5926191B2 (en)

Also Published As

Publication number Publication date
JPS5926191B2 (en) 1984-06-25

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