CS185453B1 - Connexion of the circuit for detection the neutral of the electric current for the group of semiconductor valves - Google Patents

Connexion of the circuit for detection the neutral of the electric current for the group of semiconductor valves

Info

Publication number
CS185453B1
CS185453B1 CS7600004140A CS414076A CS185453B1 CS 185453 B1 CS185453 B1 CS 185453B1 CS 7600004140 A CS7600004140 A CS 7600004140A CS 414076 A CS414076 A CS 414076A CS 185453 B1 CS185453 B1 CS 185453B1
Authority
CS
Czechoslovakia
Prior art keywords
connexion
neutral
detection
circuit
group
Prior art date
Application number
CS7600004140A
Other languages
Czech (cs)
English (en)
Inventor
Josef Cibulka
Jaroslav Hlousek
Richard Jelinek
Jan Krtek
Jiri Winkler
Original Assignee
Josef Cibulka
Jaroslav Hlousek
Richard Jelinek
Jan Krtek
Jiri Winkler
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 Josef Cibulka, Jaroslav Hlousek, Richard Jelinek, Jan Krtek, Jiri Winkler filed Critical Josef Cibulka
Priority to CS7600004140A priority Critical patent/CS185453B1/cs
Priority to DE2725257A priority patent/DE2725257C2/de
Priority to DD7700199522A priority patent/DD131805A1/xx
Priority to SE7707024A priority patent/SE417252B/xx
Priority to US05/809,431 priority patent/US4139788A/en
Publication of CS185453B1 publication Critical patent/CS185453B1/cs

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)
CS7600004140A 1976-06-23 1976-06-23 Connexion of the circuit for detection the neutral of the electric current for the group of semiconductor valves CS185453B1 (en)

Priority Applications (5)

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
DE2725257A DE2725257C2 (de) 1976-06-23 1977-06-03 Nullstrom-Fühler
DD7700199522A DD131805A1 (de) 1976-06-23 1977-06-16 Schaltungsanordnung zum feststellen der anwesenheit von strom
SE7707024A SE417252B (sv) 1976-06-23 1977-06-16 Provkretsanordning
US05/809,431 US4139788A (en) 1976-06-23 1977-06-23 Test circuit for indication of deviation of source voltages from their set points

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
CS185453B1 true CS185453B1 (en) 1978-09-15

Family

ID=5383473

Family Applications (1)

Application Number Title Priority Date Filing Date
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

Country Status (5)

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

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
SE417252B (sv) 1981-03-02
SE7707024L (sv) 1977-12-24
DD131805A1 (de) 1978-07-19
DE2725257C2 (de) 1983-08-18
US4139788A (en) 1979-02-13
DE2725257A1 (de) 1978-01-05

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