JPS5253213A - Protective device of thyristor leonard circuit - Google Patents

Protective device of thyristor leonard circuit

Info

Publication number
JPS5253213A
JPS5253213A JP50128937A JP12893775A JPS5253213A JP S5253213 A JPS5253213 A JP S5253213A JP 50128937 A JP50128937 A JP 50128937A JP 12893775 A JP12893775 A JP 12893775A JP S5253213 A JPS5253213 A JP S5253213A
Authority
JP
Japan
Prior art keywords
thyristor
protective device
circuit
thyristor leonard
leonard circuit
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.)
Pending
Application number
JP50128937A
Other languages
Japanese (ja)
Inventor
Tetsuji Nakamura
Yoshihiro Asaba
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP50128937A priority Critical patent/JPS5253213A/en
Publication of JPS5253213A publication Critical patent/JPS5253213A/en
Pending legal-status Critical Current

Links

Landscapes

  • Stopping Of Electric Motors (AREA)
  • Control Of Direct Current Motors (AREA)

Abstract

PURPOSE: By thyristor Leonard, abnormal brake current due to stoppage of electric current is commutated to the thyristor for by path, at the same time of transmission, it is made to be returned to former thyristor bridge, and then, Leonard circuit is protected.
COPYRIGHT: (C)1977,JPO&Japio
JP50128937A 1975-10-28 1975-10-28 Protective device of thyristor leonard circuit Pending JPS5253213A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50128937A JPS5253213A (en) 1975-10-28 1975-10-28 Protective device of thyristor leonard circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50128937A JPS5253213A (en) 1975-10-28 1975-10-28 Protective device of thyristor leonard circuit

Publications (1)

Publication Number Publication Date
JPS5253213A true JPS5253213A (en) 1977-04-28

Family

ID=14997080

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50128937A Pending JPS5253213A (en) 1975-10-28 1975-10-28 Protective device of thyristor leonard circuit

Country Status (1)

Country Link
JP (1) JPS5253213A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2018025A1 (en) * 1970-01-14 1971-07-22 Bbc Brown Boveri & Cie Subsynchronous converter cascade
JPS505819A (en) * 1973-05-18 1975-01-22

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2018025A1 (en) * 1970-01-14 1971-07-22 Bbc Brown Boveri & Cie Subsynchronous converter cascade
JPS505819A (en) * 1973-05-18 1975-01-22

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