GB1113013A - Improvements in or relating to static inverters - Google Patents

Improvements in or relating to static inverters

Info

Publication number
GB1113013A
GB1113013A GB2883664A GB2883664A GB1113013A GB 1113013 A GB1113013 A GB 1113013A GB 2883664 A GB2883664 A GB 2883664A GB 2883664 A GB2883664 A GB 2883664A GB 1113013 A GB1113013 A GB 1113013A
Authority
GB
United Kingdom
Prior art keywords
scr3
scr1
shut
output
transformer
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
GB2883664A
Inventor
Monty David Berlock
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.)
Plessey UK Ltd
Original Assignee
Plessey UK 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 Plessey UK Ltd filed Critical Plessey UK Ltd
Priority to GB2883664A priority Critical patent/GB1113013A/en
Publication of GB1113013A publication Critical patent/GB1113013A/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
    • H02M7/515—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 semiconductor devices only
    • H02M7/5157—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 semiconductor devices only wherein the extinguishing of every commutation element will be obtained by means of a commutation inductance, by starting another main commutation element in series with the first

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inverter Devices (AREA)

Abstract

1,113,013. Inverting. PLESSEY-UK Ltd. 3 Sept., 1965 [13 July, 1964], No. 28836/64. Heading H2F. A pulse-width varied inverter comprises a bridge of switching elements which may be gas tubes, or as shown thyristors SCR1 ... SCR4, a commutating capacitor C across the output diagonal, and commutating inductors L1, L2, the arrangement being such that with two thyristors conducting, say SCR1 and SCR4, a third is fired, say SCR2, which shuts off SCR1 and SCR3 and is then itself shut off. Subsequently the opposite pair SCR2 and SCR3 are fired to commence the opposite half cycle of the output. As shown the output is derived from a transformer T having taps to which diodes D1 ... D4 are connected. When SCR3 fires to terminate the positive conducting pulse capacitor C discharges through D1, SCR3, and L2, so that SCR1 is back biased by transformer action in T and is shut-off. Also by transformer action in L2 SCR4 is shut off, SCR3 is itself shut off by resonant voltage swing in the circuit L2, C. SCR2 and SCR3 are then fired together and subsequently are shut off by a similar commutating action on firing SCR1. In a further embodiment (Fig. 2, not shown) the output transformer is dispensed with. Resistors are included in series with the diodes, these circuits being utilized in the shutting-off action.
GB2883664A 1964-07-13 1964-07-13 Improvements in or relating to static inverters Expired GB1113013A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2883664A GB1113013A (en) 1964-07-13 1964-07-13 Improvements in or relating to static inverters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2883664A GB1113013A (en) 1964-07-13 1964-07-13 Improvements in or relating to static inverters

Publications (1)

Publication Number Publication Date
GB1113013A true GB1113013A (en) 1968-05-08

Family

ID=10281942

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2883664A Expired GB1113013A (en) 1964-07-13 1964-07-13 Improvements in or relating to static inverters

Country Status (1)

Country Link
GB (1) GB1113013A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2468249A1 (en) * 1979-10-17 1981-04-30 Enertec INVERTER AND STATIC SIGNAL GENERATOR COMPRISING SUCH AN INVERTER

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2468249A1 (en) * 1979-10-17 1981-04-30 Enertec INVERTER AND STATIC SIGNAL GENERATOR COMPRISING SUCH AN INVERTER
EP0028550A1 (en) * 1979-10-17 1981-05-13 Enertec Societe Anonyme Inverter, and static generator of signals comprising such an inverter

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