JPS5388136A - Earth detector for semiconductor rectifier - Google Patents

Earth detector for semiconductor rectifier

Info

Publication number
JPS5388136A
JPS5388136A JP204777A JP204777A JPS5388136A JP S5388136 A JPS5388136 A JP S5388136A JP 204777 A JP204777 A JP 204777A JP 204777 A JP204777 A JP 204777A JP S5388136 A JPS5388136 A JP S5388136A
Authority
JP
Japan
Prior art keywords
semiconductor rectifier
earth detector
earth
detector
rectifier
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
JP204777A
Other languages
Japanese (ja)
Inventor
Yozo Koike
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 Electric Manufacturing Co Ltd
Original Assignee
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 Electric Manufacturing Co Ltd filed Critical Meidensha Electric Manufacturing Co Ltd
Priority to JP204777A priority Critical patent/JPS5388136A/en
Publication of JPS5388136A publication Critical patent/JPS5388136A/en
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: To prevent an error operation caused by a surge current and to enhance a sensitivity of detection for earth fault.
COPYRIGHT: (C)1978,JPO&Japio
JP204777A 1977-01-12 1977-01-12 Earth detector for semiconductor rectifier Pending JPS5388136A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP204777A JPS5388136A (en) 1977-01-12 1977-01-12 Earth detector for semiconductor rectifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP204777A JPS5388136A (en) 1977-01-12 1977-01-12 Earth detector for semiconductor rectifier

Publications (1)

Publication Number Publication Date
JPS5388136A true JPS5388136A (en) 1978-08-03

Family

ID=11518405

Family Applications (1)

Application Number Title Priority Date Filing Date
JP204777A Pending JPS5388136A (en) 1977-01-12 1977-01-12 Earth detector for semiconductor rectifier

Country Status (1)

Country Link
JP (1) JPS5388136A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2533032A1 (en) * 1982-09-10 1984-03-16 Matsushita Electric Works Ltd CURRENT SENSOR DEVICE

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2533032A1 (en) * 1982-09-10 1984-03-16 Matsushita Electric Works Ltd CURRENT SENSOR DEVICE

Similar Documents

Publication Publication Date Title
JPS53101626A (en) Protective device for inverter
JPS5388136A (en) Earth detector for semiconductor rectifier
JPS5234332A (en) System disturbance detector
JPS5366548A (en) Grounding fault detector for dc circuit
JPS5225221A (en) Detecting system of surge absorption ground fault for stationary high frequency inverter device
JPS52106446A (en) Absent phase detector
JPS52154055A (en) Fault point locator
JPS5438752A (en) Fault detecting device for thyristor valve
JPS5227699A (en) Coin inspection circuit
JPS5341971A (en) Fault detector of electromagnetic device
JPS53122743A (en) Fault-detect protective device for single-phase rectifier
JPS5333342A (en) Discharge detector for electrical equipment
JPS5438536A (en) Earth-fault contact detector
JPS5357878A (en) Peak value detector
JPS5333341A (en) Discharge detector for electrical equipment
JPS5284439A (en) Ac load broken line detector
JPS5236724A (en) Trouble detecting method of rotary rectifier
JPS5371239A (en) Accidental point detective method of power cable
JPS52110073A (en) Zero current detector
JPS51137847A (en) An earth trouble detecting apparatus with a detection circuit
JPS5239147A (en) Earth detecting system of distribution line
JPS5262637A (en) Protective device for d.c. transmission line
JPS52147746A (en) Method of detecting setting error in fault detection set points
JPS5319763A (en) Mark detector in electron beam exposure
JPS5273790A (en) Gas detector