CA999929A - Corona discharge detecting device - Google Patents

Corona discharge detecting device

Info

Publication number
CA999929A
CA999929A CA192,357A CA192357A CA999929A CA 999929 A CA999929 A CA 999929A CA 192357 A CA192357 A CA 192357A CA 999929 A CA999929 A CA 999929A
Authority
CA
Canada
Prior art keywords
detecting device
corona discharge
discharge detecting
corona
discharge
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA192,357A
Other languages
English (en)
Inventor
Hironori Yoshino
Kohei Sato
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 JP1880773A external-priority patent/JPS5731337B2/ja
Priority claimed from JP48018806A external-priority patent/JPS49107425A/ja
Priority claimed from JP1893573A external-priority patent/JPS5712350B2/ja
Priority claimed from JP48019981A external-priority patent/JPS5139050B2/ja
Priority claimed from JP48019982A external-priority patent/JPS49108924A/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of CA999929A publication Critical patent/CA999929A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
    • G01R15/183—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using transformers with a magnetic core
    • G01R15/185—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using transformers with a magnetic core with compensation or feedback windings or interacting coils, e.g. 0-flux sensors
    • 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
    • G01R31/62—Testing of transformers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means
    • H02H1/0015—Using arc detectors
    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N17/00—Diagnosis, testing or measuring for television systems or their details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
    • H04N3/18—Generation of supply voltages, in combination with electron beam deflecting
    • H04N3/19—Arrangements or assemblies in supply circuits for the purpose of withstanding high voltages

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Testing Relating To Insulation (AREA)
CA192,357A 1973-02-14 1974-02-13 Corona discharge detecting device Expired CA999929A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP1880773A JPS5731337B2 (enrdf_load_stackoverflow) 1973-02-14 1973-02-14
JP48018806A JPS49107425A (enrdf_load_stackoverflow) 1973-02-14 1973-02-14
JP1893573A JPS5712350B2 (enrdf_load_stackoverflow) 1973-02-15 1973-02-15
JP48019981A JPS5139050B2 (enrdf_load_stackoverflow) 1973-02-19 1973-02-19
JP48019982A JPS49108924A (enrdf_load_stackoverflow) 1973-02-19 1973-02-19

Publications (1)

Publication Number Publication Date
CA999929A true CA999929A (en) 1976-11-16

Family

ID=27520077

Family Applications (1)

Application Number Title Priority Date Filing Date
CA192,357A Expired CA999929A (en) 1973-02-14 1974-02-13 Corona discharge detecting device

Country Status (3)

Country Link
CA (1) CA999929A (enrdf_load_stackoverflow)
FR (1) FR2217702B1 (enrdf_load_stackoverflow)
GB (1) GB1468367A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1604398A (en) 1977-12-13 1981-12-09 Nat Res Dev Electrical discharge machines and methods of electrical discharge machining

Also Published As

Publication number Publication date
DE2406850A1 (de) 1975-04-03
DE2406850B2 (de) 1976-07-01
FR2217702A1 (enrdf_load_stackoverflow) 1974-09-06
FR2217702B1 (enrdf_load_stackoverflow) 1978-07-07
GB1468367A (en) 1977-03-23

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