GB1258256A - - Google Patents

Info

Publication number
GB1258256A
GB1258256A GB1258256DA GB1258256A GB 1258256 A GB1258256 A GB 1258256A GB 1258256D A GB1258256D A GB 1258256DA GB 1258256 A GB1258256 A GB 1258256A
Authority
GB
United Kingdom
Prior art keywords
impedance
circuit
channel
transformers
pilot
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
Other languages
English (en)
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 filed Critical
Publication of GB1258256A publication Critical patent/GB1258256A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
    • H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
    • H02H7/1203—Circuits independent of the type of conversion
    • H02H7/1206—Circuits independent of the type of conversion specially adapted to conversion cells composed of a plurality of parallel or serial connected elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
GB1258256D 1968-03-12 1968-03-12 Expired GB1258256A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1196968 1968-03-12

Publications (1)

Publication Number Publication Date
GB1258256A true GB1258256A (enrdf_load_stackoverflow) 1971-12-30

Family

ID=9995994

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1258256D Expired GB1258256A (enrdf_load_stackoverflow) 1968-03-12 1968-03-12

Country Status (1)

Country Link
GB (1) GB1258256A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986003897A1 (en) * 1984-12-20 1986-07-03 Proizvodstvennoe Obiedinenie "Tallinsky Elektrotek Device for checking semiconductor rectifiers connected in series

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986003897A1 (en) * 1984-12-20 1986-07-03 Proizvodstvennoe Obiedinenie "Tallinsky Elektrotek Device for checking semiconductor rectifiers connected in series
DE3490799C2 (de) * 1984-12-20 1989-12-14 Proizv Ob Edinenie Tallin Elek Schaltungsanordnung zur Kontrolle in Reihe geschalteter Halbleiterventile

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees