JPS5222715A - Protection device for motor and control semiconductor element - Google Patents

Protection device for motor and control semiconductor element

Info

Publication number
JPS5222715A
JPS5222715A JP50099226A JP9922675A JPS5222715A JP S5222715 A JPS5222715 A JP S5222715A JP 50099226 A JP50099226 A JP 50099226A JP 9922675 A JP9922675 A JP 9922675A JP S5222715 A JPS5222715 A JP S5222715A
Authority
JP
Japan
Prior art keywords
motor
semiconductor element
protection device
control semiconductor
detection
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
JP50099226A
Other languages
Japanese (ja)
Inventor
Kenichi Ohara
Hiroshi Hasegawa
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 JP50099226A priority Critical patent/JPS5222715A/en
Publication of JPS5222715A publication Critical patent/JPS5222715A/en
Pending legal-status Critical Current

Links

Landscapes

  • Accessory Devices And Overall Control Thereof (AREA)
  • Protection Of Generators And Motors (AREA)
  • Control Of Direct Current Motors (AREA)

Abstract

PURPOSE: To obtain a good response and a stabilized operation, by such that a protection circuit is made operated by the current value through the detection of the motor armature current.
COPYRIGHT: (C)1977,JPO&Japio
JP50099226A 1975-08-14 1975-08-14 Protection device for motor and control semiconductor element Pending JPS5222715A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50099226A JPS5222715A (en) 1975-08-14 1975-08-14 Protection device for motor and control semiconductor element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50099226A JPS5222715A (en) 1975-08-14 1975-08-14 Protection device for motor and control semiconductor element

Publications (1)

Publication Number Publication Date
JPS5222715A true JPS5222715A (en) 1977-02-21

Family

ID=14241738

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50099226A Pending JPS5222715A (en) 1975-08-14 1975-08-14 Protection device for motor and control semiconductor element

Country Status (1)

Country Link
JP (1) JPS5222715A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55161681A (en) * 1979-06-04 1980-12-16 Canon Inc Recorder
JPS57106392A (en) * 1980-11-03 1982-07-02 Mannesmann Ag Dc motor particularly for printing machine winding dc motor protecting circuit device
US4517502A (en) * 1983-03-31 1985-05-14 Vorwerk & Co. Interholding Gmbh Load monitoring circuit for electric motors
JPS6165894U (en) * 1984-10-02 1986-05-06
JPS63191897U (en) * 1988-05-19 1988-12-09
JPH0819968A (en) * 1993-02-05 1996-01-23 Kaneda Kosakusho:Kk Power wrench

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55161681A (en) * 1979-06-04 1980-12-16 Canon Inc Recorder
JPS57106392A (en) * 1980-11-03 1982-07-02 Mannesmann Ag Dc motor particularly for printing machine winding dc motor protecting circuit device
JPS6226277B2 (en) * 1980-11-03 1987-06-08 Mannesmann Ag
US4517502A (en) * 1983-03-31 1985-05-14 Vorwerk & Co. Interholding Gmbh Load monitoring circuit for electric motors
JPS6165894U (en) * 1984-10-02 1986-05-06
JPS63191897U (en) * 1988-05-19 1988-12-09
JPH0819968A (en) * 1993-02-05 1996-01-23 Kaneda Kosakusho:Kk Power wrench

Similar Documents

Publication Publication Date Title
JPS5222715A (en) Protection device for motor and control semiconductor element
JPS5357737A (en) Magnetic control circuit
JPS5253215A (en) Control circuit of condenser motor
JPS5281544A (en) Trip circuit of circuit breaker
JPS5246417A (en) Motor current limiter
JPS5270778A (en) Semiconductor device
JPS535746A (en) Over-curren t sensing device of dc motor
JPS5441666A (en) Semiconductor integrated circuit element
JPS5238291A (en) Gas detection circuit
JPS51147288A (en) Semiconductor device
JPS51122741A (en) Motor overload control device
JPS51138884A (en) Junction device consisted of magnet on electrical junction part
JPS5374227A (en) Control device of brushless exciter
JPS5219216A (en) Overcurrent limiting circuit
JPS52122047A (en) Reset signal generation circuit
JPS5211772A (en) Semiconductor device
JPS5376339A (en) Trouble detecting device of induction motor
JPS5279192A (en) Sequence controller which enables fault detection of output element
JPS51129014A (en) Electrically driven vehicle speed control device
JPS5298923A (en) Brake controlling device of dc motor
JPS5361264A (en) Semiconductor control device
JPS5324767A (en) Gate off circuit
JPS5248958A (en) Constant current relay
JPS51132894A (en) Gas sensitive body
JPS5372117A (en) Controller for ac motor