JPS6465736A - Method for chemical formation of vacuum interrupter - Google Patents

Method for chemical formation of vacuum interrupter

Info

Publication number
JPS6465736A
JPS6465736A JP22199587A JP22199587A JPS6465736A JP S6465736 A JPS6465736 A JP S6465736A JP 22199587 A JP22199587 A JP 22199587A JP 22199587 A JP22199587 A JP 22199587A JP S6465736 A JPS6465736 A JP S6465736A
Authority
JP
Japan
Prior art keywords
chemical formation
vacuum interrupter
electrode
amperage
electrodes
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.)
Granted
Application number
JP22199587A
Other languages
Japanese (ja)
Other versions
JPH0779015B2 (en
Inventor
Taiji Noda
Yoshiyuki Kashiwagi
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.)
Meidensha Corp
Meidensha Electric Manufacturing Co Ltd
Original Assignee
Meidensha Corp
Meidensha Electric Manufacturing 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
Application filed by Meidensha Corp, Meidensha Electric Manufacturing Co Ltd filed Critical Meidensha Corp
Priority to JP22199587A priority Critical patent/JPH0779015B2/en
Publication of JPS6465736A publication Critical patent/JPS6465736A/en
Publication of JPH0779015B2 publication Critical patent/JPH0779015B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/02—Contacts characterised by the material thereof
    • H01H1/0203—Contacts characterised by the material thereof specially adapted for vacuum switches

Landscapes

  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Arc Welding Control (AREA)

Abstract

PURPOSE:To have uniform chemical formation on the surface of an electrode even though its dia. grows by adjusting the chemical formation current so that the amperage in chemical formation peaks when a vacuum interrupter is full open, and by opening the vacuum interrupter. CONSTITUTION:Frequency of chemical formation current is adjusted so that the electrodes of a vacuum interrupter 3 are full open when amperage in chemical formation peaks. This frequency adjustment is easily attained by making the capacity of a capacitor C constant and changing the inductance of a coil L. Thereby the gap between the electrodes is maximized at the peak time of chemical formation current when the arc energy maximizes. Therefore a vertical magnetic field is applied uniformly to the whole electrode surface. This allows uniform chemical formation to the whole even though the electrode dia. has grown.
JP22199587A 1987-09-07 1987-09-07 Vacuum interrupter formation method Expired - Fee Related JPH0779015B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22199587A JPH0779015B2 (en) 1987-09-07 1987-09-07 Vacuum interrupter formation method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22199587A JPH0779015B2 (en) 1987-09-07 1987-09-07 Vacuum interrupter formation method

Publications (2)

Publication Number Publication Date
JPS6465736A true JPS6465736A (en) 1989-03-13
JPH0779015B2 JPH0779015B2 (en) 1995-08-23

Family

ID=16775437

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22199587A Expired - Fee Related JPH0779015B2 (en) 1987-09-07 1987-09-07 Vacuum interrupter formation method

Country Status (1)

Country Link
JP (1) JPH0779015B2 (en)

Also Published As

Publication number Publication date
JPH0779015B2 (en) 1995-08-23

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees