JPS60119896U - Inverter voltage control circuit - Google Patents

Inverter voltage control circuit

Info

Publication number
JPS60119896U
JPS60119896U JP743184U JP743184U JPS60119896U JP S60119896 U JPS60119896 U JP S60119896U JP 743184 U JP743184 U JP 743184U JP 743184 U JP743184 U JP 743184U JP S60119896 U JPS60119896 U JP S60119896U
Authority
JP
Japan
Prior art keywords
inverter
multiplier
voltage control
control circuit
inverter voltage
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
JP743184U
Other languages
Japanese (ja)
Inventor
忠男 郷司
Original Assignee
株式会社明電舎
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 株式会社明電舎 filed Critical 株式会社明電舎
Priority to JP743184U priority Critical patent/JPS60119896U/en
Publication of JPS60119896U publication Critical patent/JPS60119896U/en
Pending legal-status Critical Current

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Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図はインバータの制御回路図、第２図は従来の停電
時の各部波形図、第３図は本考案の一実施例を示す要部
回路図、第４図は本考案の他の実施例を示す要部回路図
である。 ２・・・順変換器、３・・・インバータ、５・・・速度
設定器、７・・・速度制御増幅器、９・・・電圧検出器
、１０・・・電圧制御増幅器、１２・・・乗算器、１３
・・・切換スイッチ回路、１４・・・直流電圧検出器。Fig. 1 is a control circuit diagram of the inverter, Fig. 2 is a conventional waveform diagram of various parts during a power outage, Fig. 3 is a main circuit diagram showing one embodiment of the present invention, and Fig. 4 is another implementation of the present invention. FIG. 2 is a main circuit diagram showing an example. 2... Forward converter, 3... Inverter, 5... Speed setter, 7... Speed control amplifier, 9... Voltage detector, 10... Voltage control amplifier, 12... multiplier, 13
... Changeover switch circuit, 14... DC voltage detector.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] インバータの出力電圧設定信号と出力電圧検出信号との
偏差に応じてインバータの出力電圧を制御する自動電圧
制御系を有するインバータにおいて、上記電圧設定信号
を乗算して新たな電圧設定信号とする乗算器と、インバ
ータの通常運転時には上記乗算器の乗数を１にし停電発
生時にはインバータ直流電圧に比例した乗数に調整する
回路とを備えたことを特徴とするインバータの電圧制御
回路。In an inverter having an automatic voltage control system that controls the inverter's output voltage according to the deviation between the inverter's output voltage setting signal and the output voltage detection signal, a multiplier that multiplies the voltage setting signal to obtain a new voltage setting signal. and a circuit that sets the multiplier of the multiplier to 1 during normal operation of the inverter and adjusts it to a multiplier proportional to the inverter DC voltage when a power outage occurs.
JP743184U 1984-01-23 1984-01-23 Inverter voltage control circuit Pending JPS60119896U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP743184U JPS60119896U (en) 1984-01-23 1984-01-23 Inverter voltage control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP743184U JPS60119896U (en) 1984-01-23 1984-01-23 Inverter voltage control circuit

Publications (1)

Publication Number Publication Date
JPS60119896U true JPS60119896U (en) 1985-08-13

Family

ID=30485780

Family Applications (1)

Application Number Title Priority Date Filing Date
JP743184U Pending JPS60119896U (en) 1984-01-23 1984-01-23 Inverter voltage control circuit

Country Status (1)

Country Link
JP (1) JPS60119896U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6423766A (en) * 1987-07-16 1989-01-26 Fuji Electric Co Ltd Voltage regulating circuit for power converter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6423766A (en) * 1987-07-16 1989-01-26 Fuji Electric Co Ltd Voltage regulating circuit for power converter

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