NO784052L - DEVICE FOR DETECTION OF THE CORONA. - Google Patents

DEVICE FOR DETECTION OF THE CORONA.

Info

Publication number: NO784052L
Authority: NO; Norway
Prior art keywords: corona; detection
Prior art date: 1977-12-06

Application number

NO784052A

Other languages

Norwegian (no)

Other versions

NO158157C (en

NO158157B (en

Inventor

Ronald Thomas Harrold

Allen Igo Bennett

Original Assignee

Westinghouse Electric Corp

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.)

1977-12-06

Filing date

1978-12-04

Publication date

1979-06-07

1977-12-06 Priority claimed from US05/858,054 external-priority patent/US4158169A/en

1977-12-06 Priority claimed from US05/858,034 external-priority patent/US4158168A/en

1978-12-04 Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp

1979-06-07 Publication of NO784052L publication Critical patent/NO784052L/en

1988-04-11 Publication of NO158157B publication Critical patent/NO158157B/en

1988-07-20 Publication of NO158157C publication Critical patent/NO158157C/en

Classifications

- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/04—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for transformers
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1209—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing using acoustic measurements
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
- H01F2027/404—Protective devices specially adapted for fluid filled transformers

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Acoustics & Sound (AREA)
Testing Relating To Insulation (AREA)
Gas-Insulated Switchgears (AREA)
Protection Of Transformers (AREA)
Elimination Of Static Electricity (AREA)
Electrostatic Separation (AREA)
Other Investigation Or Analysis Of Materials By Electrical Means (AREA)

NO784052A 1977-12-06 1978-12-04 PROCEDURE AND APPARATUS FOR DETECTION OF A CORONA DISPLAY SOURCE IN AN ELECTRIC APPLIANCE. NO158157C (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US05/858,054 US4158169A (en)	1977-12-06	1977-12-06	Corona testing apparatus including acoustic waveguides for transmitting acoustic emissions from electrical apparatus
US05/858,034 US4158168A (en)	1977-12-06	1977-12-06	Acoustic waveguides for sensing and locating corona discharges

Publications (3)

Publication Number	Publication Date
NO784052L true NO784052L (en)	1979-06-07
NO158157B NO158157B (en)	1988-04-11
NO158157C NO158157C (en)	1988-07-20

Family

ID=27127438

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO784052A NO158157C (en)	1977-12-06	1978-12-04	PROCEDURE AND APPARATUS FOR DETECTION OF A CORONA DISPLAY SOURCE IN AN ELECTRIC APPLIANCE.

Country Status (6)

Country	Link
JP (1)	JPS5857056B2 (en)
KR (1)	KR820001828B1 (en)
BE (1)	BE872510A (en)
ES (1)	ES475710A1 (en)
FR (1)	FR2402877A1 (en)
NO (1)	NO158157C (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS6039550U (en) *	1983-08-25	1985-03-19	三菱電機株式会社	circuit break
JPS60119052A (en) *	1983-11-30	1985-06-26	三菱電機株式会社	Auxiliary contact device for circuit breakers
JPS6175047U (en) *	1984-10-23	1986-05-21
JPS6237865U (en) *	1985-08-27	1987-03-06
NL1005721C2 (en) *	1997-04-03	1998-10-07	Kema Nv	Method and device for detecting partial discharges.
FR2786274B1 (en)	1998-11-25	2000-12-29	Alstom Technology	METHOD AND DEVICE FOR DETECTION OF AN INTERNAL ARC IN AN ELECTRICAL LINK IN A METAL ENCLOSURE
JP2012154753A (en) *	2011-01-26	2012-08-16	Mitsubishi Electric Corp	Discharge generation position estimation device and stationary induction device with the discharge generation position estimation device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2402544A (en) *	1943-03-15	1946-06-25	Pacific Electric Mfg Corp	High voltage current indicating and insulating means
US3331023A (en) *	1964-03-09	1967-07-11	Sigma Instruments Inc	Sensing and measuring device for high voltage power lines
JPS4317445Y1 (en) *	1966-04-04	1968-07-19
US3597683A (en) *	1970-04-24	1971-08-03	Shigebumi Saito	Current transformer utilizing an electromagnetic wave, a faraday rotator, circular waveguides, horn antennae, and mode converters to measure current in a high voltage transmission line
CA933646A (en) *	1970-06-16	1973-09-11	Canadian General Electric Company Limited	Ultrasonic leak detection
US3728619A (en) *	1971-06-21	1973-04-17	Westinghouse Electric Corp	Acoustical corona locator having rotatable and pivotable transducers
US3777189A (en) *	1972-05-04	1973-12-04	Westinghouse Electric Corp	Acoustic energy transmission device
US3936348A (en) *	1973-02-05	1976-02-03	Wesley M. Rohrer	Method and apparatus for detection of nuclear fuel rod failures

1978
- 1978-11-30 KR KR7803635A patent/KR820001828B1/en not_active Expired
- 1978-12-04 BE BE192128A patent/BE872510A/en not_active IP Right Cessation
- 1978-12-04 NO NO784052A patent/NO158157C/en unknown
- 1978-12-05 ES ES475710A patent/ES475710A1/en not_active Expired
- 1978-12-06 JP JP53150132A patent/JPS5857056B2/en not_active Expired
- 1978-12-06 FR FR7834375A patent/FR2402877A1/en active Granted

Also Published As

Publication number	Publication date
NO158157C (en)	1988-07-20
FR2402877B1 (en)	1984-03-02
BE872510A (en)	1979-06-05
FR2402877A1 (en)	1979-04-06
JPS5857056B2 (en)	1983-12-17
KR820001828B1 (en)	1982-10-12
NO158157B (en)	1988-04-11
ES475710A1 (en)	1980-03-01
JPS5490545A (en)	1979-07-18

Publication	Publication Date	Title
BE866875A (en)	1978-11-10	DETECTION SYSTEM
FI780845A7 (en)	1978-09-26	APPARAT FOER BEHANDLING AV ELEKTRONSIGNALER
IT7829960A0 (en)	1978-11-20	ELECTROSTATIC ATOMIZING DEVICE.
SE7812762L (en)	1979-06-15	DEVICE FOR DETECTION OF VATA ISIGA SURFACE CONDITION
FI781043A7 (en)	1978-10-09	STYRANORDNING FOER EN PROJEKTIL AV RAKETTYP SAMT EN PROJEKTIL FOERSEDD MED EN DYLIK ANORDNING
NO782848L (en)	1979-02-27	DETECTION SYSTEM.
FI780160A7 (en)	1978-07-20	APPARAT AV CONDENSTORKARTYP FOER AVFUKTNING AV LUFT
NL7613769A (en)	1977-06-15	CORONA DEVICE.
FI780913A7 (en)	1978-09-23	DETECTION DEVICE
SE7805083L (en)	1978-11-06	DETECTION DEVICE
SE424885B (en)	1982-08-16	DEVICE FOR PILPING PAPER
NL7805524A (en)	1978-11-27	DETECTION SYSTEM.
SE7809040L (en)	1979-03-01	APPARATUS FOR COLLECTION OF THE FESTORGAN
FI780477A7 (en)	1978-08-15	APPARAT FOER BELAEGGNING AV EN ROERLIG PAPPERSBANA
DE3065301D1 (en)	1983-11-17	CORONA DEVICE
NO784052L (en)	1979-06-07	DEVICE FOR DETECTION OF THE CORONA.
SE421353B (en)	1981-12-14	DEVICE FOR ECOSIGNAL DETECTION
FI780598A7 (en)	1978-08-24	APPARAT FOER CONVERTERING AV AVFALLSMATERIAL
SE7809876L (en)	1979-03-22	SIGNAL DETECTION DEVICE
FI772988A7 (en)	1978-04-15	APPARATUS FOER BEHANDLING AV BLOD
NO150060C (en)	1984-08-08	DEVICE FOR THE DOWN OF AN EARTH
SE7809877L (en)	1979-03-22	SIGNAL DETECTION DEVICE
NL177526C (en)	1985-10-01	ELECTROGRAPHIC DEVICE.
ES494794A0 (en)	1981-07-16	AN OXYGEN DETECTION DEVICE
SE7806335L (en)	1978-12-30	DEVICE FOR UMINUTING BEVERAGES