BE818449A - Dispositif de protection differentiel - Google Patents

Dispositif de protection differentiel

Info

Publication number: BE818449A
Authority: BE; Belgium
Prior art keywords: protection device; differential protection; differential; protection
Prior art date: 1973-08-03

Application number

BE147252A

Other languages

English (en)

French (fr)

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.)

1973-08-03

Filing date

1974-08-02

Publication date

1974-12-02

1973-08-03 Priority claimed from DE19732339931 external-priority patent/DE2339931C3/de

1974-08-02 Application filed filed Critical

1974-12-02 Publication of BE818449A publication Critical patent/BE818449A/xx

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)

BE147252A 1973-08-03 1974-08-02 Dispositif de protection differentiel BE818449A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number	Publication Date
BE818449A true BE818449A (fr)	1974-12-02

Family

ID=5889107

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE147252A BE818449A (fr)	1973-08-03	1974-08-02	Dispositif de protection differentiel

Country Status (7)

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

1974
- 1974-05-27 AT AT436074A patent/AT335553B/de not_active IP Right Cessation
- 1974-07-19 SE SE7409444A patent/SE394776B/xx not_active IP Right Cessation
- 1974-07-19 NL NL7409811A patent/NL7409811A/xx not_active Application Discontinuation
- 1974-07-22 CH CH1004174A patent/CH573677A5/xx not_active IP Right Cessation
- 1974-08-02 BE BE147252A patent/BE818449A/xx not_active IP Right Cessation
- 1974-08-02 IT IT2592774A patent/IT1017863B/it active
- 1974-08-02 JP JP49089405A patent/JPS5044442A/ja active Pending

Also Published As

Publication number	Publication date
JPS5044442A (it)	1975-04-21
NL7409811A (nl)	1975-02-05
SE394776B (sv)	1977-07-04
SE7409444L (it)	1975-02-04
DE2339931A1 (de)	1975-02-20
DE2339931B2 (de)	1975-10-30
IT1017863B (it)	1977-08-10
AT335553B (de)	1977-03-25
ATA436074A (de)	1976-07-15
CH573677A5 (it)	1976-03-15

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Legal Events

Date

Code

Title

Description

1986-02-28

RE

Patent lapsed

Owner name: SIEMENS A.G.

Effective date: 19850831