CH352390A - Arrangement for detecting changes in enveloping alternating electrical quantities - Google Patents

Arrangement for detecting changes in enveloping alternating electrical quantities

Info

Publication number
CH352390A
CH352390A CH352390DA CH352390A CH 352390 A CH352390 A CH 352390A CH 352390D A CH352390D A CH 352390DA CH 352390 A CH352390 A CH 352390A
Authority
CH
Switzerland
Prior art keywords
enveloping
arrangement
detecting changes
alternating electrical
electrical quantities
Prior art date
Application number
Other languages
German (de)
Inventor
Erwin Dipl Ing Zurowski
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of CH352390A publication Critical patent/CH352390A/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/44—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to the rate of change of electrical quantities
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/04—Arrangements for preventing response to transient abnormal conditions, e.g. to lightning or to short duration over voltage or oscillations; Damping the influence of dc component by short circuits in ac networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measurement Of Current Or Voltage (AREA)
CH352390D 1956-03-03 1957-02-26 Arrangement for detecting changes in enveloping alternating electrical quantities CH352390A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES47771A DE1040117B (en) 1956-03-03 1956-03-03 Arrangement for detecting the changes in the envelope of electrical alternating quantities

Publications (1)

Publication Number Publication Date
CH352390A true CH352390A (en) 1961-02-28

Family

ID=7486546

Family Applications (1)

Application Number Title Priority Date Filing Date
CH352390D CH352390A (en) 1956-03-03 1957-02-26 Arrangement for detecting changes in enveloping alternating electrical quantities

Country Status (2)

Country Link
CH (1) CH352390A (en)
DE (1) DE1040117B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3023345A (en) * 1958-12-01 1962-02-27 Rotax Ltd Three phase protective relay system responsive to amplitude of ripple voltage
DE1264593B (en) * 1965-02-03 1968-03-28 Olympia Werke Ag Electrical monitoring device for contactors

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE518765C (en) * 1928-09-26 1931-02-20 Siemens Schuckertwerke Akt Ges Arrangement for influencing electrical switching, measuring or display devices

Also Published As

Publication number Publication date
DE1040117B (en) 1958-10-02

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