GB543501A - Improvements in electric valve converting apparatus - Google Patents

Improvements in electric valve converting apparatus

Info

Publication number
GB543501A
GB543501A GB14228/40A GB1422840A GB543501A GB 543501 A GB543501 A GB 543501A GB 14228/40 A GB14228/40 A GB 14228/40A GB 1422840 A GB1422840 A GB 1422840A GB 543501 A GB543501 A GB 543501A
Authority
GB
United Kingdom
Prior art keywords
transformers
sept
circuits
anode
winding
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
GB14228/40A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston 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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Publication of GB543501A publication Critical patent/GB543501A/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
    • H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/505—Conversion of dc power input into ac power output without 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
    • H02M7/51—Conversion of dc power input into ac power output without 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 discharge tubes only

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Power Conversion In General (AREA)

Abstract

543,501. Converting. BRITISH THOMSONHOUSTON CO., Ltd. Sept. 16, 1940, No. 14228. Convention date, Sept. 16, 1939. [Class 38 (ii)] In an arrangement for interchanging power between D.C. and A.C. circuits or between two A.C. circuits through a plurality of grid controlled discharge paths 20 ... 25 associated with star-connected transformer windings 13, 14 forced commutation for control of power factor is obtained by injecting commutating voltages of appropriate harmonic frequency between the star points of the windings through two transformers 30, 31 the primaries of which are in series. Thus, outside the commutating period, i.e. when only one anode is conducting, one of the secondaries of the transformers 30, 31 is open circuited causing a limitation of current drawn from the source 29 of harmonic voltage, while full voltage is developed across the open circuited winding and is available for commutation when an anode associated with that winding is rendered conductive. Specification 409,713 is referred to.
GB14228/40A 1939-09-16 1940-09-16 Improvements in electric valve converting apparatus Expired GB543501A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US543501XA 1939-09-16 1939-09-16

Publications (1)

Publication Number Publication Date
GB543501A true GB543501A (en) 1942-02-27

Family

ID=21990446

Family Applications (1)

Application Number Title Priority Date Filing Date
GB14228/40A Expired GB543501A (en) 1939-09-16 1940-09-16 Improvements in electric valve converting apparatus

Country Status (1)

Country Link
GB (1) GB543501A (en)

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