GB2091500B - Method of operation of a frequency changer - Google Patents

Method of operation of a frequency changer

Info

Publication number
GB2091500B
GB2091500B GB8200147A GB8200147A GB2091500B GB 2091500 B GB2091500 B GB 2091500B GB 8200147 A GB8200147 A GB 8200147A GB 8200147 A GB8200147 A GB 8200147A GB 2091500 B GB2091500 B GB 2091500B
Authority
GB
United Kingdom
Prior art keywords
frequency changer
changer
frequency
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.)
Expired
Application number
GB8200147A
Other versions
GB2091500A (en
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.)
SMS Elotherm GmbH
Original Assignee
AEG Elotherm GmbH
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 AEG Elotherm GmbH filed Critical AEG Elotherm GmbH
Publication of GB2091500A publication Critical patent/GB2091500A/en
Application granted granted Critical
Publication of GB2091500B publication Critical patent/GB2091500B/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
    • H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
    • H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
    • H02M5/42—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters
    • H02M5/44—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac
    • H02M5/443—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a thyratron or thyristor type requiring extinguishing means
    • H02M5/45—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
    • H02M5/4505—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only having a rectifier with controlled elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inverter Devices (AREA)
  • General Induction Heating (AREA)
GB8200147A 1981-01-20 1982-01-05 Method of operation of a frequency changer Expired GB2091500B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813101573 DE3101573A1 (en) 1981-01-20 1981-01-20 METHOD FOR OPERATING A CONVERTER

Publications (2)

Publication Number Publication Date
GB2091500A GB2091500A (en) 1982-07-28
GB2091500B true GB2091500B (en) 1984-04-18

Family

ID=6122921

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8200147A Expired GB2091500B (en) 1981-01-20 1982-01-05 Method of operation of a frequency changer

Country Status (4)

Country Link
JP (1) JPS57138874A (en)
DE (1) DE3101573A1 (en)
GB (1) GB2091500B (en)
IT (1) IT1147664B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4209645A1 (en) * 1992-03-25 1993-09-30 Abb Patent Gmbh Method for controlling the converter valves of two or more parallel resonant circuit inverters fed from a common direct current source, each with an induction furnace, and system for carrying out the method
DE4209644A1 (en) * 1992-03-25 1993-09-30 Abb Patent Gmbh Method for controlling the converter valves of a load-guided parallel resonant circuit inverter of an induction furnace

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5953673B2 (en) * 1977-08-09 1984-12-26 ソニー株式会社 power circuit

Also Published As

Publication number Publication date
GB2091500A (en) 1982-07-28
IT8247597A0 (en) 1982-01-18
DE3101573A1 (en) 1982-07-29
JPS57138874A (en) 1982-08-27
IT1147664B (en) 1986-11-26

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee