GB1071667A - Improvements in and relating to static switching apparatus - Google Patents

Improvements in and relating to static switching apparatus

Info

Publication number
GB1071667A
GB1071667A GB4264063A GB4264063A GB1071667A GB 1071667 A GB1071667 A GB 1071667A GB 4264063 A GB4264063 A GB 4264063A GB 4264063 A GB4264063 A GB 4264063A GB 1071667 A GB1071667 A GB 1071667A
Authority
GB
United Kingdom
Prior art keywords
thyristor
commutating
load
current
supply
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
GB4264063A
Inventor
William Henry Woodward
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.)
Lancashire Dynamo Electronic Products Ltd
Original Assignee
Lancashire Dynamo Electronic Products 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 Lancashire Dynamo Electronic Products Ltd filed Critical Lancashire Dynamo Electronic Products Ltd
Priority to GB4264063A priority Critical patent/GB1071667A/en
Publication of GB1071667A publication Critical patent/GB1071667A/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)
  • Dc-Dc Converters (AREA)

Abstract

1,071,667. Thyristor switching circuits. LANCASHIRE DYNAMO ELECTRONIC PRODUCTS Ltd. Jan. 29, 1965 [Oct. 29, 1963; Feb. 5, 1964], Nos. 42640/63 and 4927/64. Heading H3T. [Also in Division H2] A load 1 is connected to either of two supply terminals by thyristors TH 1' TH 2 controlled by a commutating circuit L 2 , L 2 , C 2 . The saturable transformer T 1 has its primary in series with the commutating capacitor C 2 and its secondary connected through a diode bridge rectifier D 3 , D 4 , D 5' D 6 to the supply so that some of the energy absorbed in the commutating circuit is returned to the supply. The saturable choke L 1 in series with the load 1 limits the current in a thyristor which has just been fired during the interval when that thyristor would carry both the load current and the commutating current. The load current may be A.C. (if the two thyristors conduct for equal periods) or D.C. (if one thyristor conducts for a greater period than the other, so that the circuit becomes a D.C. chopper). An alternative connection of transformer T 1 and choke L 1 is disclosed (Fig. 3, not shown).
GB4264063A 1963-10-29 1963-10-29 Improvements in and relating to static switching apparatus Expired GB1071667A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4264063A GB1071667A (en) 1963-10-29 1963-10-29 Improvements in and relating to static switching apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4264063A GB1071667A (en) 1963-10-29 1963-10-29 Improvements in and relating to static switching apparatus

Publications (1)

Publication Number Publication Date
GB1071667A true GB1071667A (en) 1967-06-14

Family

ID=10425326

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4264063A Expired GB1071667A (en) 1963-10-29 1963-10-29 Improvements in and relating to static switching apparatus

Country Status (1)

Country Link
GB (1) GB1071667A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2834512A1 (en) * 1977-08-10 1979-02-15 Hitachi Ltd CONVERTER

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2834512A1 (en) * 1977-08-10 1979-02-15 Hitachi Ltd CONVERTER

Similar Documents

Publication Publication Date Title
GB870419A (en) Electrical apparatus for voltage control
GB1030602A (en) Switching circuit
GB1035986A (en) Power amplifier circuit
GB1046956A (en) Static inverter system
GB1053581A (en)
GB1031780A (en) Switching circuit for controlling the effective power applied to a load from a source of alternating supply voltage
GB857529A (en) Improvement in or relating to electric switching systems
GB1071667A (en) Improvements in and relating to static switching apparatus
ES329368A1 (en) A current converter continues in alternate current. (Machine-translation by Google Translate, not legally binding)
GB1341566A (en)
GB1040907A (en) Improved self-sustaining switch circuit
GB1044322A (en) Improvements in and relating to electrical circuits
GB1093210A (en) Static inverter system
GB1158035A (en) Rectifier Circuits
GB1101339A (en) Improvements relating to thyristors
GB1110447A (en) Circuit arrangement for limiting excessive voltages
GB1060317A (en) Improvements in or relating to arrangements for the voltage control of energy sources supplying unidirectional voltage
GB1100529A (en) Inverter
SU407700A1 (en)
GB995771A (en) Improvements relating to electrical power control or switching circuits
GB1020761A (en) Process for the operation of current rectifiers having two circuit groups with controllable and non-controllable rectifying elements
ES405382A1 (en) A circuit provision to supply current from a continuous current source, through a power supply line to a load. (Machine-translation by Google Translate, not legally binding)
JPS5773A (en) Converter circuit in inverter
GB1070072A (en) Improvements in and relating to electric circuits including scrs
GB1083946A (en) Control of thyristors