BE517449A - - Google Patents

Info

Publication number: BE517449A
Authority: BE; Belgium

Application number

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.)

1952-03-12

Publication of BE517449A publication Critical patent/BE517449A/xx

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
- H02H3/08—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 excess current
- H02H3/10—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 excess current additionally responsive to some other abnormal electrical conditions
- H02H3/105—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 excess current additionally responsive to some other abnormal electrical conditions responsive to excess current and fault current to earth
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
- H01H83/20—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
- H01H83/22—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being imbalance of two or more currents or voltages
- 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
- H02H3/32—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 corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
- H02H3/33—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 corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
- H01H2071/749—Means for adjusting the conditions under which the device will function to provide protection with a shunt element connected in parallel to magnetic or thermal trip elements, e.g. for adjusting trip current

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Protection Of Transformers (AREA)

BE517449D 1952-03-12 BE517449A (xx)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH1070186X		1952-03-12

Publications (1)

Publication Number	Publication Date
BE517449A true BE517449A (xx)

Family

ID=4555852

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
BE517449D BE517449A (xx)	1952-03-12
BE519326D BE519326A (xx)	1952-03-12

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
BE519326D BE519326A (xx)	1952-03-12

Country Status (5)

Country	Link
BE (2)	BE519326A (xx)
CH (2)	CH298280A (xx)
DE (1)	DE925961C (xx)
FR (1)	FR1070186A (xx)
NL (1)	NL92834C (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102010034001A1 (de) *	2010-08-11	2012-02-16	Siemens Aktiengesellschaft	Anordnung zur Erfassung und Abschaltung von Gleichfehlerströmen und gleichstromsensitiver Fehlerstromschutzschalter

0
- BE BE517449D patent/BE517449A/xx unknown
- NL NL92834D patent/NL92834C/xx active
- BE BE519326D patent/BE519326A/xx unknown
1952
- 1952-03-12 CH CH298280D patent/CH298280A/de unknown
- 1952-05-15 CH CH302705D patent/CH302705A/de unknown
1953
- 1953-01-14 DE DEL14397A patent/DE925961C/de not_active Expired
- 1953-01-29 FR FR1070186D patent/FR1070186A/fr not_active Expired

Also Published As

Publication number	Publication date
CH302705A (de)	1954-10-31
BE519326A (xx)
DE925961C (de)	1955-04-04
NL92834C (xx)
CH298280A (de)	1954-04-30
FR1070186A (fr)	1954-07-20

Publication	Publication Date	Title
FR1015343A (xx)	1952-09-30
FR999175A (xx)	1952-01-25
DE1070858B (xx)
FR999282A (xx)	1952-01-29
FR999334A (xx)	1952-01-29
FR999184A (xx)	1952-01-25
FR999202A (xx)	1952-01-29
BE520886A (xx)	1955-07-22
BE520268A (xx)	1953-11-28
NL92834C (xx)
BE517409A (xx)
BE519176A (xx)
BE516963A (xx)
BE519289A (xx)
BE519586A (xx)
BE564808A (xx)
BE542422A (xx)
BE523682A (xx)
BE521906A (xx)
BE521758A (xx)
BE518914A (xx)
BE518341A (xx)
BE521251A (xx)
BE520933A (xx)
BE519650A (xx)