JPH01166482U - - Google Patents

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Publication number
JPH01166482U
JPH01166482U JP6025788U JP6025788U JPH01166482U JP H01166482 U JPH01166482 U JP H01166482U JP 6025788 U JP6025788 U JP 6025788U JP 6025788 U JP6025788 U JP 6025788U JP H01166482 U JPH01166482 U JP H01166482U
Authority
JP
Japan
Prior art keywords
power supply
circuit
overvoltage absorption
diode
absorption circuit
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
JP6025788U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP6025788U priority Critical patent/JPH01166482U/ja
Publication of JPH01166482U publication Critical patent/JPH01166482U/ja
Pending legal-status Critical Current

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Description

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

第１図と第２図はそれぞれ本考案の異なる実施
例としての構成回路図、第３図ないし第５図は第
１図に対応する従来の構成回路図、第６図と第７
図はそれぞれ第３図と第４図の動作説明用の波形
図である。 １：交流電源、２：整流ダイオード、３：電源
コンデンサ、４：配線インダクタンス、５：過電
圧吸収コンデンサ、６：スイツチング半導体素子
、１２：ダイオード、１５：誘導コイル、１６：
インバータ装置。 FIGS. 1 and 2 are circuit diagrams of different embodiments of the present invention, FIGS. 3 to 5 are conventional circuit diagrams corresponding to FIG. 1, and FIGS.
The figures are waveform diagrams for explaining the operations of FIGS. 3 and 4, respectively. 1: AC power supply, 2: Rectifier diode, 3: Power supply capacitor, 4: Wiring inductance, 5: Overvoltage absorption capacitor, 6: Switching semiconductor element, 12: Diode, 15: Induction coil, 16:
Inverter device.

Claims (1)

【実用新案登録請求の範囲】 直流電源のライン間に、かつ、この直流電源を
開閉する半導体スイツチング手段への直流電源入
力部に設けられる過電圧吸収回路であつて、 ダイオードとインダクタンスとの並列回路に、
直列にコンデンサを接続した回路を備え、 前記ダイオードは前記直流電源に対し順方向の
極性を持つように設けられてなることを特徴とす
る過電圧吸収回路。[Claim for Utility Model Registration] An overvoltage absorption circuit provided between the lines of a DC power supply and at the DC power input part to a semiconductor switching means for opening and closing the DC power supply, which is an overvoltage absorption circuit provided in a parallel circuit of a diode and an inductance. ,
An overvoltage absorption circuit comprising a circuit in which a capacitor is connected in series, the diode being provided so as to have a forward polarity with respect to the DC power supply.
JP6025788U 1988-05-07 1988-05-07 Pending JPH01166482U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6025788U JPH01166482U (en) 1988-05-07 1988-05-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6025788U JPH01166482U (en) 1988-05-07 1988-05-07

Publications (1)

Publication Number Publication Date
JPH01166482U true JPH01166482U (en) 1989-11-21

Family

ID=31285973

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6025788U Pending JPH01166482U (en) 1988-05-07 1988-05-07

Country Status (1)

Country Link
JP (1) JPH01166482U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012098632A1 (en) * 2011-01-17 2012-07-26 三菱電機株式会社 Switching power supply device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012098632A1 (en) * 2011-01-17 2012-07-26 三菱電機株式会社 Switching power supply device
JP5052705B2 (en) * 2011-01-17 2012-10-17 三菱電機株式会社 Switching power supply
CN103299523A (en) * 2011-01-17 2013-09-11 三菱电机株式会社 Switching power supply device
US8737104B2 (en) 2011-01-17 2014-05-27 Mitsubishi Electric Corporation Switching power supply device
CN103299523B (en) * 2011-01-17 2015-08-26 三菱电机株式会社 Switching power unit

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