JPS57191716A - Power supply controlling system - Google Patents

Power supply controlling system

Info

Publication number
JPS57191716A
JPS57191716A JP56074913A JP7491381A JPS57191716A JP S57191716 A JPS57191716 A JP S57191716A JP 56074913 A JP56074913 A JP 56074913A JP 7491381 A JP7491381 A JP 7491381A JP S57191716 A JPS57191716 A JP S57191716A
Authority
JP
Japan
Prior art keywords
cpu31
signal
thyristor
voltage
power source
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
JP56074913A
Other languages
Japanese (ja)
Inventor
Yasuaki Nagao
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 DENKI SOUGOU KENKYUSHO KK
Fuji Electric Co Ltd
Original Assignee
FUJI DENKI SOUGOU KENKYUSHO KK
Fuji Electric Corporate Research and Development 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 DENKI SOUGOU KENKYUSHO KK, Fuji Electric Corporate Research and Development Ltd filed Critical FUJI DENKI SOUGOU KENKYUSHO KK
Priority to JP56074913A priority Critical patent/JPS57191716A/en
Publication of JPS57191716A publication Critical patent/JPS57191716A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34—Constructional details or accessories or operation thereof
    • B03C3/66—Applications of electricity supply techniques
    • B03C3/68—Control systems therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Direct Current Feeding And Distribution (AREA)
  • Control Of Voltage And Current In General (AREA)
  • Control Of Electrical Variables (AREA)

Abstract

PURPOSE:To obtain a simple-constitution and high-reliabilty controlling system for an electric dust collector or the like, by breaking the AC input of a power supply part in accordance with a voltage lowering signal by a controlling part which receives the voltage lowering signal only in the waiting state. CONSTITUTION:A CPU31 is initialized in accordance with a program, and a thyristor 13 is ignited by an ignition command signal Sd from the CPU31, and the signal Sd is increased gradually after a certain time to set a power source voltage Vp to a set value. Next, the CPU31 is set to the interrupt enable state; and when a signal Ss reporting the lowering of the voltage Vp is inputted from a comparator 59 to the CPU31, the CPU31 starts the interrupt operation and issues an arc-distinguishing command signal Si to the thyristor 13 to stop the ignition of the thyristor 13. After a certain time, the CPU31 issues the ignition command signal Sd to the thyristor 13 to raise the power source voltage Vp gradually, and the CPU31 is set to the interrupt enable state again after the power source voltage Vp reaches the set value.
JP56074913A 1981-05-20 1981-05-20 Power supply controlling system Pending JPS57191716A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56074913A JPS57191716A (en) 1981-05-20 1981-05-20 Power supply controlling system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56074913A JPS57191716A (en) 1981-05-20 1981-05-20 Power supply controlling system

Publications (1)

Publication Number Publication Date
JPS57191716A true JPS57191716A (en) 1982-11-25

Family

ID=13561095

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56074913A Pending JPS57191716A (en) 1981-05-20 1981-05-20 Power supply controlling system

Country Status (1)

Country Link
JP (1) JPS57191716A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59178510A (en) * 1983-03-22 1984-10-09 シ−メンス，アクチエンゲゼルシヤフト Circuit network part starting circuit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51143964A (en) * 1975-05-23 1976-12-10 Fuji Electric Co Ltd Discharge detector for electric dust collectors

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51143964A (en) * 1975-05-23 1976-12-10 Fuji Electric Co Ltd Discharge detector for electric dust collectors

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59178510A (en) * 1983-03-22 1984-10-09 シ−メンス，アクチエンゲゼルシヤフト Circuit network part starting circuit

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