JPS51111584A - Switching system - Google Patents

Switching system

Info

Publication number
JPS51111584A
JPS51111584A JP50035526A JP3552675A JPS51111584A JP S51111584 A JPS51111584 A JP S51111584A JP 50035526 A JP50035526 A JP 50035526A JP 3552675 A JP3552675 A JP 3552675A JP S51111584 A JPS51111584 A JP S51111584A
Authority
JP
Japan
Prior art keywords
switching system
improve reliability
changing over
controlling
stabilizing
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
JP50035526A
Other languages
Japanese (ja)
Inventor
Tsuyoshi Mizoguchi
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP50035526A priority Critical patent/JPS51111584A/en
Publication of JPS51111584A publication Critical patent/JPS51111584A/en
Pending legal-status Critical Current

Links

Landscapes

  • Supply And Distribution Of Alternating Current (AREA)
  • Feedback Control In General (AREA)

Abstract

PURPOSE: To improve reliability of an electric system stabilizing and controlling system by changing over a main controlling device and a backup system of the least possible necessity.
COPYRIGHT: (C)1976,JPO&Japio
JP50035526A 1975-03-26 1975-03-26 Switching system Pending JPS51111584A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50035526A JPS51111584A (en) 1975-03-26 1975-03-26 Switching system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50035526A JPS51111584A (en) 1975-03-26 1975-03-26 Switching system

Publications (1)

Publication Number Publication Date
JPS51111584A true JPS51111584A (en) 1976-10-01

Family

ID=12444175

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50035526A Pending JPS51111584A (en) 1975-03-26 1975-03-26 Switching system

Country Status (1)

Country Link
JP (1) JPS51111584A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4849357A (en) * 1971-10-25 1973-07-12

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4849357A (en) * 1971-10-25 1973-07-12

Similar Documents

Publication Publication Date Title
JPS51149480A (en) Servo device for n umerical control
JPS5354762A (en) Current controlling circuit
JPS5222747A (en) Firing phase control device
JPS5378747A (en) Error display system
JPS51138356A (en) Priority interruption control circuit
JPS52134931A (en) Air-to-fuel ratio feedback system
JPS51111584A (en) Switching system
JPS5357737A (en) Magnetic control circuit
JPS5270778A (en) Semiconductor device
JPS5310815A (en) Inverter device
JPS5222746A (en) Ac load starting control device
JPS526938A (en) Transistor invertor circuit
JPS51126119A (en) Envelope producer
JPS5232535A (en) Control system of parallel running invertor
JPS528441A (en) Power supplying system
JPS52147031A (en) Time-sharing system of output device
JPS528282A (en) Input-output device of sequence controller
JPS5388120A (en) Inverter control device
JPS51111636A (en) Constant monitor system
JPS527511A (en) Electric vehicle control system
JPS51111635A (en) Fail-safe system
JPS51138352A (en) Microprogram control system
JPS5236963A (en) Control device for thyristor
JPS51149549A (en) Control apparatus
JPS51149732A (en) Command chaining system