CH530102A - Static impedance relay - Google Patents

Static impedance relay

Info

Publication number
CH530102A
CH530102A CH648370A CH648370A CH530102A CH 530102 A CH530102 A CH 530102A CH 648370 A CH648370 A CH 648370A CH 648370 A CH648370 A CH 648370A CH 530102 A CH530102 A CH 530102A
Authority
CH
Switzerland
Prior art keywords
impedance relay
static impedance
static
relay
impedance
Prior art date
Application number
CH648370A
Other languages
German (de)
Inventor
Helge Anders
Johansson Torkel
Original Assignee
Asea Ab
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 Asea Ab filed Critical Asea Ab
Publication of CH530102A publication Critical patent/CH530102A/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
    • H02H3/40—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 ratio of voltage and current
CH648370A 1969-05-08 1970-04-29 Static impedance relay CH530102A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE06507/69A SE330930B (en) 1969-05-08 1969-05-08

Publications (1)

Publication Number Publication Date
CH530102A true CH530102A (en) 1972-10-31

Family

ID=20268860

Family Applications (1)

Application Number Title Priority Date Filing Date
CH648370A CH530102A (en) 1969-05-08 1970-04-29 Static impedance relay

Country Status (7)

Country Link
US (1) US3629658A (en)
CH (1) CH530102A (en)
FR (1) FR2042480B1 (en)
GB (1) GB1299933A (en)
NO (1) NO125608B (en)
SE (1) SE330930B (en)
YU (1) YU32440B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH565469A5 (en) * 1973-06-07 1975-08-15 Bbc Brown Boveri & Cie
SE441138B (en) * 1984-02-01 1985-09-09 Asea Ab DIGITAL IMPEDANCE RELEASE
SE452534B (en) * 1986-04-08 1987-11-30 Asea Ab PROCEDURE AND DEVICE FOR RESTRICTIONS AND DIRECT DISPLACEMENT IN CONNECTION WITH PROTECTION OF A POWER PIPE

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE685594C (en) * 1933-07-08 1939-12-27 Aeg Protection relay for electrical AC systems with time-dependent triggering
US2495166A (en) * 1945-12-29 1950-01-17 Westinghouse Electric Corp Distance-type relay with limited directional discrimination
FR1051922A (en) * 1951-03-28 1954-01-20 Low impedance relay for remote protection
US2981867A (en) * 1957-10-25 1961-04-25 Gen Electric Electric relay
FR1347586A (en) * 1963-02-19 1963-12-27 Bbc Brown Boveri & Cie Protection device with rectifier bridge assembly
GB1192640A (en) * 1967-09-22 1970-05-20 English Electric Co Ltd Improvements in Distance Relays

Also Published As

Publication number Publication date
DE2022150A1 (en) 1970-11-19
NO125608B (en) 1972-10-02
US3629658A (en) 1971-12-21
FR2042480A1 (en) 1971-02-12
YU32440B (en) 1974-10-31
DE2022150B2 (en) 1973-04-12
FR2042480B1 (en) 1974-07-12
SE330930B (en) 1970-12-07
YU115170A (en) 1974-04-30
GB1299933A (en) 1972-12-13

Similar Documents

Publication Publication Date Title
IT1043810B (en) PROTROMBINIC COMPLEX
BE744024A (en) MANIPULATOR-SYNTHETIZER
BE749371A (en) SPECTROFOTOMETER
BE774508A (en) STATIC RELAY CIRCUIT
AT306980B (en) Aeroionizer
BE748247A (en) ELECTROCARDIOMETER
BE748852A (en) AUDIO-MONITOR
BE747871A (en) WEEFMACHINE
BE753562A (en) SEMI-FOAM AGENTS
BE747783R (en) ELEKTROFOTOGRAFISCH
BE747903A (en) SPECTRAAL GESENSIBILISEERD LICHTGEVOELIG MATERIAAL
BE747731A (en) AFHANKELIJK STROOM-TIJDRELAIS
CH530102A (en) Static impedance relay
FI50452C (en) Muff
BE750131R (en) SWEETENING AGENTS
BE747782A (en) FOTOGRAFISCH VEELLAGENKLEURENMATERIAAL
BE749878A (en) VOLUMEMETERS
BE746342A (en) MEROCYANINE-KLEURSTOFFEN
AT324166B (en) SPORTSHOE
BE747776A (en) BIGOUDI
BE745461A (en) 1-ACYL-HYDROQUINOLEINS
BE745468A (en) S-ALCOYL- (METHYL-HEXAHYDRO-1H-AZEPINE) -1-CARBOTHIOLATES
AT300936B (en) Relay set
DK132961B (en) TIOLETSE PIECES
BE746499A (en) COMPRESSOR-GASTURBINE-INSTALLATIE

Legal Events

Date Code Title Description
PL Patent ceased