JPS5856544U - Power supply inrush current limiting circuit - Google Patents

Power supply inrush current limiting circuit

Info

Publication number
JPS5856544U
JPS5856544U JP14819081U JP14819081U JPS5856544U JP S5856544 U JPS5856544 U JP S5856544U JP 14819081 U JP14819081 U JP 14819081U JP 14819081 U JP14819081 U JP 14819081U JP S5856544 U JPS5856544 U JP S5856544U
Authority
JP
Japan
Prior art keywords
inrush current
power supply
current limiting
limiting circuit
electrolytic capacitor
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
JP14819081U
Other languages
Japanese (ja)
Inventor
藤川　克美
Original Assignee
株式会社日立製作所
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 株式会社日立製作所 filed Critical 株式会社日立製作所
Priority to JP14819081U priority Critical patent/JPS5856544U/en
Publication of JPS5856544U publication Critical patent/JPS5856544U/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 drawings]

第１図は従来の突入電流制限回路図、第２図は本考案に
よる一実施例の突入電流制限回路図であ、　る。 １．２・・・非安定交流入力端子、３−４・・・コンタ
クタリレー接点、５・・・突入電流制限用抵抗、６・・
・負荷、７・・・スイッチ、８・・・ディに＋レベル変
換回路子シーケンス制御回路、９・・・ディレー十レベ
ル変換回路、１０．１１・・・トランジスタ、１２゜１
３・・・コンタクタリレー、１４．１５・・・ダイオー
ド、１６・・・コンデンサ、１７・・・抵抗、１ｉ・・
・レベル変換回路、１９・・・ディレー十レベル変換回
路。FIG. 1 is a conventional inrush current limiting circuit diagram, and FIG. 2 is an inrush current limiting circuit diagram of an embodiment of the present invention. 1.2... Unstable AC input terminal, 3-4... Contactor relay contact, 5... Inrush current limiting resistor, 6...
・Load, 7...Switch, 8...Delay + level conversion circuit child sequence control circuit, 9...Delay + level conversion circuit, 10.11...Transistor, 12゜1
3... Contactor relay, 14.15... Diode, 16... Capacitor, 17... Resistor, 1i...
-Level conversion circuit, 19...delay ten level conversion circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 突入電流制限用抵抗と直列に接続されたコンタクタの接
点を開閉することに、より突入電流を制限する回路にお
いて、−コンタクタのコイルのプラス端子を電源に、マ
イナス端子と直列にアルミ電解コンデンサのプラス極を
接続し、更にアルミ電解コンデンサと並列に、コンタク
タのコイル抵抗より十分に大きな抵抗を接続し、アルミ
電解コンデンサのマイナス極側を半導体及びリレー等の
スイッチング素子にてスイッチングすることにした電源
装置の突入電流制限回路。In a circuit that limits inrush current by opening and closing contacts of a contactor connected in series with an inrush current limiting resistor, the positive terminal of the contactor coil is used as a power supply, and the positive terminal of an aluminum electrolytic capacitor is connected in series with the negative terminal. A power supply device in which the negative pole side of the aluminum electrolytic capacitor is switched by a switching element such as a semiconductor or relay by connecting the poles and connecting a resistor sufficiently larger than the coil resistance of the contactor in parallel with the aluminum electrolytic capacitor. inrush current limiting circuit.
JP14819081U 1981-10-07 1981-10-07 Power supply inrush current limiting circuit Pending JPS5856544U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14819081U JPS5856544U (en) 1981-10-07 1981-10-07 Power supply inrush current limiting circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14819081U JPS5856544U (en) 1981-10-07 1981-10-07 Power supply inrush current limiting circuit

Publications (1)

Publication Number Publication Date
JPS5856544U true JPS5856544U (en) 1983-04-16

Family

ID=29941015

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14819081U Pending JPS5856544U (en) 1981-10-07 1981-10-07 Power supply inrush current limiting circuit

Country Status (1)

Country Link
JP (1) JPS5856544U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6272481A (en) * 1985-09-26 1987-04-03 Matsushita Electric Ind Co Ltd Arc welding machine
JPH0258689U (en) * 1988-10-18 1990-04-26

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6272481A (en) * 1985-09-26 1987-04-03 Matsushita Electric Ind Co Ltd Arc welding machine
JPH0258689U (en) * 1988-10-18 1990-04-26

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