DD131805A1 - Schaltungsanordnung zum feststellen der anwesenheit von strom - Google Patents

Schaltungsanordnung zum feststellen der anwesenheit von strom

Info

Publication number
DD131805A1
DD131805A1 DD7700199522A DD19952277A DD131805A1 DD 131805 A1 DD131805 A1 DD 131805A1 DD 7700199522 A DD7700199522 A DD 7700199522A DD 19952277 A DD19952277 A DD 19952277A DD 131805 A1 DD131805 A1 DD 131805A1
Authority
DD
German Democratic Republic
Prior art keywords
electricity
determining
circuit arrangement
arrangement
circuit
Prior art date
Application number
DD7700199522A
Other languages
German (de)
English (en)
Inventor
Josef Cibulka
Jaroslav Hlousek
Richard Jelinek
Jan Krtek
Jiri Winkler
Original Assignee
Ckd Praha
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 Ckd Praha filed Critical Ckd Praha
Publication of DD131805A1 publication Critical patent/DD131805A1/xx

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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/145—Indicating the presence of current or voltage
    • G01R19/15—Indicating the presence of current

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
DD7700199522A 1976-06-23 1977-06-16 Schaltungsanordnung zum feststellen der anwesenheit von strom DD131805A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS7600004140A CS185453B1 (en) 1976-06-23 1976-06-23 Connexion of the circuit for detection the neutral of the electric current for the group of semiconductor valves

Publications (1)

Publication Number Publication Date
DD131805A1 true DD131805A1 (de) 1978-07-19

Family

ID=5383473

Family Applications (1)

Application Number Title Priority Date Filing Date
DD7700199522A DD131805A1 (de) 1976-06-23 1977-06-16 Schaltungsanordnung zum feststellen der anwesenheit von strom

Country Status (5)

Country Link
US (1) US4139788A (sv)
CS (1) CS185453B1 (sv)
DD (1) DD131805A1 (sv)
DE (1) DE2725257C2 (sv)
SE (1) SE417252B (sv)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1182741B (de) * 1963-10-05 1964-12-03 Telefunken Patent Einrichtung zur UEberwachung verschiedener Speisegleichspannungen von Transistorschaltungen auf ihre Ablage vom Sollwert
US3742251A (en) * 1969-02-13 1973-06-26 Westinghouse Electric Corp Power regulation system

Also Published As

Publication number Publication date
US4139788A (en) 1979-02-13
DE2725257C2 (de) 1983-08-18
CS185453B1 (en) 1978-09-15
DE2725257A1 (de) 1978-01-05
SE7707024L (sv) 1977-12-24
SE417252B (sv) 1981-03-02

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Legal Events

Date Code Title Description
ENJ Ceased due to non-payment of renewal fee