JPS5510675A - Three-phase power controller - Google Patents

Three-phase power controller

Info

Publication number
JPS5510675A
JPS5510675A JP8372878A JP8372878A JPS5510675A JP S5510675 A JPS5510675 A JP S5510675A JP 8372878 A JP8372878 A JP 8372878A JP 8372878 A JP8372878 A JP 8372878A JP S5510675 A JPS5510675 A JP S5510675A
Authority
JP
Japan
Prior art keywords
variable resistance
variable
phase
gate
ignition
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
JP8372878A
Other languages
Japanese (ja)
Inventor
Kunio Takahashi
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 JP8372878A priority Critical patent/JPS5510675A/en
Publication of JPS5510675A publication Critical patent/JPS5510675A/en
Pending legal-status Critical Current

Links

Landscapes

  • Supply And Distribution Of Alternating Current (AREA)
  • Control Of Electrical Variables (AREA)

Abstract

PURPOSE: To fulfill performance improvement and cost reduction by realizing three- phase control by a three-phase common variable resistance, by providng a three- phase diode bridge with the variable resistance connected between direct-current side terminals to the gate of each two-way thyristor.
CONSTITUTION: Variable resistance VR of variable direct-current voltage generating part A varies the luminescence degree of light emitting part B1 of the photocoupler, and the resistance value of variable resistance part B2 is varied as a result. The variation of the resistance value of this variable resustance part B2 causes the change of the generation point in time of an ignition pulse of two-way thyristor D1, limiting a voltage applied to load M. Therefore, variable resistance B2 varied to control the ignition point of the gate of two-way thyristor D1 has three phases in common, so that the gate ignition phase can be controlled with good balance.
COPYRIGHT: (C)1980,JPO&Japio
JP8372878A 1978-07-10 1978-07-10 Three-phase power controller Pending JPS5510675A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8372878A JPS5510675A (en) 1978-07-10 1978-07-10 Three-phase power controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8372878A JPS5510675A (en) 1978-07-10 1978-07-10 Three-phase power controller

Publications (1)

Publication Number Publication Date
JPS5510675A true JPS5510675A (en) 1980-01-25

Family

ID=13810574

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8372878A Pending JPS5510675A (en) 1978-07-10 1978-07-10 Three-phase power controller

Country Status (1)

Country Link
JP (1) JPS5510675A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4534685A (en) * 1981-04-10 1985-08-13 Fanuc Ltd. Tracer control system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4534685A (en) * 1981-04-10 1985-08-13 Fanuc Ltd. Tracer control system

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