JPS5317948A - Protective circuit for overcurrent - Google Patents

Protective circuit for overcurrent

Info

Publication number
JPS5317948A
JPS5317948A JP9291376A JP9291376A JPS5317948A JP S5317948 A JPS5317948 A JP S5317948A JP 9291376 A JP9291376 A JP 9291376A JP 9291376 A JP9291376 A JP 9291376A JP S5317948 A JPS5317948 A JP S5317948A
Authority
JP
Japan
Prior art keywords
overcurrent
protective circuit
load
circuit
status
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
JP9291376A
Other languages
Japanese (ja)
Other versions
JPS6124898B2 (en
Inventor
Kunihiko Sawa
Shigefumi Kurita
Hiroshi Miki
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.)
Fuji Electric Co Ltd
Original Assignee
Fuji 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 Fuji Electric Co Ltd filed Critical Fuji Electric Co Ltd
Priority to JP9291376A priority Critical patent/JPS5317948A/en
Publication of JPS5317948A publication Critical patent/JPS5317948A/en
Publication of JPS6124898B2 publication Critical patent/JPS6124898B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: To make a protection less expensive for the circuit elements in case of a short-circuit taking place at the load side, by selecting the switching method, provided between a smoothing filter and the load, to a status of off, when the output signal of AC current transformer exceeds the set level.
COPYRIGHT: (C)1978,JPO&Japio
JP9291376A 1976-08-04 1976-08-04 Protective circuit for overcurrent Granted JPS5317948A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9291376A JPS5317948A (en) 1976-08-04 1976-08-04 Protective circuit for overcurrent

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9291376A JPS5317948A (en) 1976-08-04 1976-08-04 Protective circuit for overcurrent

Publications (2)

Publication Number Publication Date
JPS5317948A true JPS5317948A (en) 1978-02-18
JPS6124898B2 JPS6124898B2 (en) 1986-06-13

Family

ID=14067715

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9291376A Granted JPS5317948A (en) 1976-08-04 1976-08-04 Protective circuit for overcurrent

Country Status (1)

Country Link
JP (1) JPS5317948A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54127544A (en) * 1978-03-27 1979-10-03 Matsushita Electric Works Ltd Multifunction protective relay
JPS58203709A (en) * 1982-05-25 1983-11-28 吉野総業株式会社 Production of box such as pensile case

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5044670A (en) * 1973-08-27 1975-04-22

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5044670A (en) * 1973-08-27 1975-04-22

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54127544A (en) * 1978-03-27 1979-10-03 Matsushita Electric Works Ltd Multifunction protective relay
JPS5827739B2 (en) * 1978-03-27 1983-06-11 松下電工株式会社 Multifunctional protective relay
JPS58203709A (en) * 1982-05-25 1983-11-28 吉野総業株式会社 Production of box such as pensile case

Also Published As

Publication number Publication date
JPS6124898B2 (en) 1986-06-13

Similar Documents

Publication Publication Date Title
JPS5614323A (en) Control method of electric power equipment
JPS5317948A (en) Protective circuit for overcurrent
JPS5251549A (en) Over voltage and over current suppression equipment for inverter
JPS52120353A (en) Protective device for dc power transmission system
JPS5367847A (en) Semiconductor breaker
JPS536859A (en) Capacitor switching means
JPS53106417A (en) Thyristor scherbius device
JPS536852A (en) Converting means
JPS5472440A (en) Protection of rectifier
JPS5563600A (en) Car generator
JPS5435324A (en) Inverter
JPS531845A (en) Digital protective relay
JPS5297144A (en) Overcurrent protection means
JPS5321733A (en) Protective device for inverter
JPS541846A (en) Automatic current limiter
JPS53111448A (en) Protective equipment for cyclo-converter
JPS5355757A (en) Power line protection
JPS53141569A (en) Protective device for commutation failure of switching element
JPS52135033A (en) Generator protective device
JPS5442638A (en) Circuit breaker
JPS5364723A (en) Protection system for rectifier
JPS54730A (en) Overcurrent protective equipment for inverter
JPS52140831A (en) Surge absorption circuit for power converter
JPS5454231A (en) Protective circuit for voltage type inverter
JPS5341745A (en) Overcurrent protector for intermittent load