JPS53141569A - Protective device for commutation failure of switching element - Google Patents

Protective device for commutation failure of switching element

Info

Publication number
JPS53141569A
JPS53141569A JP5695777A JP5695777A JPS53141569A JP S53141569 A JPS53141569 A JP S53141569A JP 5695777 A JP5695777 A JP 5695777A JP 5695777 A JP5695777 A JP 5695777A JP S53141569 A JPS53141569 A JP S53141569A
Authority
JP
Japan
Prior art keywords
switching element
commutation failure
protective device
inductance
oscillation
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
JP5695777A
Other languages
Japanese (ja)
Other versions
JPS5760875B2 (en
Inventor
Junichi Nakakuki
Katsuaki Suzuki
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
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP5695777A priority Critical patent/JPS53141569A/en
Publication of JPS53141569A publication Critical patent/JPS53141569A/en
Publication of JPS5760875B2 publication Critical patent/JPS5760875B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To protect an element by suppressing a surge current toward the switching element in case of a commutation failure making use of resonance currents of an inductance and capacitance and by stopping the oscillation of the gate circuit of the element.
COPYRIGHT: (C)1978,JPO&Japio
JP5695777A 1977-05-16 1977-05-16 Protective device for commutation failure of switching element Granted JPS53141569A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5695777A JPS53141569A (en) 1977-05-16 1977-05-16 Protective device for commutation failure of switching element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5695777A JPS53141569A (en) 1977-05-16 1977-05-16 Protective device for commutation failure of switching element

Publications (2)

Publication Number Publication Date
JPS53141569A true JPS53141569A (en) 1978-12-09
JPS5760875B2 JPS5760875B2 (en) 1982-12-21

Family

ID=13042010

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5695777A Granted JPS53141569A (en) 1977-05-16 1977-05-16 Protective device for commutation failure of switching element

Country Status (1)

Country Link
JP (1) JPS53141569A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5999868U (en) * 1982-12-25 1984-07-05 自動車機器株式会社 Dust cover device for input shaft in steering gear
JPS628859A (en) * 1985-07-04 1987-01-16 Atsugi Motor Parts Co Ltd Muddy water prevent device for steering shaft
JPS628858A (en) * 1985-07-04 1987-01-16 Atsugi Motor Parts Co Ltd Muddy water prevent device for steering shaft

Also Published As

Publication number Publication date
JPS5760875B2 (en) 1982-12-21

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