IT1017863B - Dispositivo di protezione diffe renziale per impianti elettrici - Google Patents

Dispositivo di protezione diffe renziale per impianti elettrici

Info

Publication number
IT1017863B
IT1017863B IT2592774A IT2592774A IT1017863B IT 1017863 B IT1017863 B IT 1017863B IT 2592774 A IT2592774 A IT 2592774A IT 2592774 A IT2592774 A IT 2592774A IT 1017863 B IT1017863 B IT 1017863B
Authority
IT
Italy
Prior art keywords
protection device
electrical systems
different protection
different
systems
Prior art date
Application number
IT2592774A
Other languages
English (en)
Italian (it)
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
Priority claimed from DE19732339931 external-priority patent/DE2339931C3/de
Application filed by Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of IT1017863B publication Critical patent/IT1017863B/it

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
    • H02H3/26—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/28—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus
    • H02H3/283—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus and taking into account saturation of current transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
IT2592774A 1973-08-03 1974-08-02 Dispositivo di protezione diffe renziale per impianti elettrici IT1017863B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732339931 DE2339931C3 (de) 1973-08-03 Differentlalschutzeinrichtung

Publications (1)

Publication Number Publication Date
IT1017863B true IT1017863B (it) 1977-08-10

Family

ID=5889107

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2592774A IT1017863B (it) 1973-08-03 1974-08-02 Dispositivo di protezione diffe renziale per impianti elettrici

Country Status (7)

Country Link
JP (1) JPS5044442A (de)
AT (1) AT335553B (de)
BE (1) BE818449A (de)
CH (1) CH573677A5 (de)
IT (1) IT1017863B (de)
NL (1) NL7409811A (de)
SE (1) SE394776B (de)

Also Published As

Publication number Publication date
JPS5044442A (de) 1975-04-21
NL7409811A (nl) 1975-02-05
SE394776B (sv) 1977-07-04
SE7409444L (de) 1975-02-04
DE2339931A1 (de) 1975-02-20
DE2339931B2 (de) 1975-10-30
BE818449A (fr) 1974-12-02
AT335553B (de) 1977-03-25
ATA436074A (de) 1976-07-15
CH573677A5 (de) 1976-03-15

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