GB947934A - An electric alternating-current switching arrangement - Google Patents

An electric alternating-current switching arrangement

Info

Publication number
GB947934A
GB947934A GB38811/60A GB3881160A GB947934A GB 947934 A GB947934 A GB 947934A GB 38811/60 A GB38811/60 A GB 38811/60A GB 3881160 A GB3881160 A GB 3881160A GB 947934 A GB947934 A GB 947934A
Authority
GB
United Kingdom
Prior art keywords
circuit
triodes
breaker
breakers
switches
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
GB38811/60A
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs 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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Publication of GB947934A publication Critical patent/GB947934A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
    • H01H9/541—Contacts shunted by semiconductor devices
    • H01H9/542—Contacts shunted by static switch means
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
    • H03K17/68—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors specially adapted for switching ac currents or voltages

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Keying Circuit Devices (AREA)

Abstract

947,934. Sparking preventing in switches. LICENTIA PATENT VERWALTUNGS G.m.b.H. Nov. 11, 1960 [Nov. 17, 1959], No. 38811/60. Heading H2B. In an A.C. switching arrangement semiconductor triodes 5, 6 are connected in parallel with a circuit-breaker 1 and in series with a second circuit-breaker 4 so as to perform the actual switching operations. During a closing operation circuit-breaker 4 is closed and then switches 2, 3 are closed to energize the grid circuits of the triodes 5, 6 which become conducting to respective half-cycles of current. The circuit-breaker 1 is then closed to take over the current carrying duty. During an opening operation the breaker 1 opens first and the current flows through the triodes 5, 6 until the switches 2, 3 are opened restoring the triodes to the blocked condition. The circuitbreaker 4 is then opened to relieve the triodes of voltage. The intervals in time between the opening of the switches and circuit-breakers 1 to 4 may be very short, allowing the triodes to be loaded in excess of their continuous rating. The circuit-breakers 1, 4 may be designed solely for their respective current carrying and voltage duties without consideration of breaking capacity. Fuses or circuit-breakers may be provided at 7, 8 and 9 to take over the disconnection duty under short-circuit conditions or one of the circuit-breakers 1, 4 may be arranged to perform this function. During a period of frequent opening and closing the switch 4 may remain closed.
GB38811/60A 1959-11-17 1960-11-11 An electric alternating-current switching arrangement Expired GB947934A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEL34825A DE1114225B (en) 1959-11-17 1959-11-17 Electric alternating current switching arrangement for large powers

Publications (1)

Publication Number Publication Date
GB947934A true GB947934A (en) 1964-01-29

Family

ID=7266821

Family Applications (1)

Application Number Title Priority Date Filing Date
GB38811/60A Expired GB947934A (en) 1959-11-17 1960-11-11 An electric alternating-current switching arrangement

Country Status (4)

Country Link
CH (1) CH387737A (en)
DE (1) DE1114225B (en)
FR (1) FR1273335A (en)
GB (1) GB947934A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2221794A (en) * 1988-08-12 1990-02-14 Ass Elect Ind Circuit breaker

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1157654B (en) * 1960-12-14 1963-11-21 Siemens Ag Device for switching off loads in direct current networks
GB1078029A (en) * 1963-09-12 1967-08-02 English Electric Co Ltd Improvements in or relating to electrical switches
DE1640860B1 (en) * 1965-03-19 1971-09-09 Licentia Gmbh SWITCHING DEVICE FOR ELECTRICITY SWITCHING
DE1765125B1 (en) * 1968-04-05 1971-04-22 Siemens Ag CIRCUIT ARRANGEMENT FOR SWITCHING AN INDUCTIVE CONSUMER
US4068273A (en) * 1976-01-08 1978-01-10 International Telephone And Telegraph Corporation Hybrid power switch
DE3236733C2 (en) * 1982-10-04 1984-11-15 Telefunken electronic GmbH, 7100 Heilbronn Circuit arrangement for low-loss switching of large powers
US4636906A (en) * 1985-04-24 1987-01-13 General Electric Company Solid state circuit interruption employing a stored charge power transistor
JPH08315666A (en) * 1995-05-12 1996-11-29 Mitsubishi Electric Corp Breaker and breaking device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2221794A (en) * 1988-08-12 1990-02-14 Ass Elect Ind Circuit breaker

Also Published As

Publication number Publication date
CH387737A (en) 1965-02-15
FR1273335A (en) 1961-10-06
DE1114225B (en) 1961-09-28

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