JPS5997540U - Dual uninterruptible power supply - Google Patents

Dual uninterruptible power supply

Info

Publication number
JPS5997540U
JPS5997540U JP19340982U JP19340982U JPS5997540U JP S5997540 U JPS5997540 U JP S5997540U JP 19340982 U JP19340982 U JP 19340982U JP 19340982 U JP19340982 U JP 19340982U JP S5997540 U JPS5997540 U JP S5997540U
Authority
JP
Japan
Prior art keywords
power supply
smoothing filter
forward conversion
uninterruptible power
circuited
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
JP19340982U
Other languages
Japanese (ja)
Inventor
上野　濶
島村　隆保
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 JP19340982U priority Critical patent/JPS5997540U/en
Publication of JPS5997540U publication Critical patent/JPS5997540U/en
Pending legal-status Critical Current

Links

Landscapes

  • Stand-By Power Supply Arrangements (AREA)

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図は無停電電源の主回路構成図、第２図は従来の二
重化無停電電源の主回路構成図、第３図は本考案の一実
施例を示す主回路構成図、第４図は第２図支は第３図に
おける順変換器の素子電流波形図である。Fig. 1 is a main circuit diagram of an uninterruptible power supply, Fig. 2 is a main circuit diagram of a conventional dual uninterruptible power supply, Fig. 3 is a main circuit diagram showing an embodiment of the present invention, and Fig. 4 is a main circuit diagram of an uninterruptible power supply. FIG. 2 shows an element current waveform diagram of the forward converter in FIG. 3.

Claims (1)

【実用新案登録請求の範囲】 ダイオード又はサイリスタを主スィッチ素子とする順変
換部と、この順変換部の直流出力を平滑する直流リアク
トルとコンデンサを有する平滑フィルタ部とを有してこ
の平滑フィルタ部から直流電力を得るか又は逆変換によ
って交流電力を得る複数台の電源を上記順変換部の交流
側を交流電源、に並列接続し、各電源の上記平滑フィル
タ部の直流出力側の負極を短絡導体で短絡接続し、この
接続点に負極を接続した予備電源用バッチｌ）から直流
スイッチを介して各電源への直流電力供給路を形成した
二重化無停電電源であって、上記短絡導体によって並列
接続される上記各電源の順変換部＋＋ の主人イツチ素子側に上記平滑フィルタ部の直流リアク
トルを介装したことを特徴とする二重化無停電電源。[Claims for Utility Model Registration] A smoothing filter section comprising a forward conversion section having a diode or a thyristor as a main switch element, and a smoothing filter section having a DC reactor and a capacitor for smoothing the DC output of the forward conversion section. The AC side of the forward conversion section is connected in parallel to the AC power source, and the negative pole of the DC output side of the smoothing filter section of each power source is short-circuited. A duplex uninterruptible power supply in which a DC power supply path is formed from a standby power supply batch l) with a conductor short-circuited and a negative electrode connected to this connection point to each power supply via a DC switch, and the short-circuited conductor connects the A duplex uninterruptible power supply characterized in that a DC reactor of the smoothing filter section is interposed on the main element side of the forward conversion section ++ of each of the power supplies to be connected.
JP19340982U 1982-12-21 1982-12-21 Dual uninterruptible power supply Pending JPS5997540U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19340982U JPS5997540U (en) 1982-12-21 1982-12-21 Dual uninterruptible power supply

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19340982U JPS5997540U (en) 1982-12-21 1982-12-21 Dual uninterruptible power supply

Publications (1)

Publication Number Publication Date
JPS5997540U true JPS5997540U (en) 1984-07-02

Family

ID=30415988

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19340982U Pending JPS5997540U (en) 1982-12-21 1982-12-21 Dual uninterruptible power supply

Country Status (1)

Country Link
JP (1) JPS5997540U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0265624A (en) * 1988-08-26 1990-03-06 Nec Corp Power source closing circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0265624A (en) * 1988-08-26 1990-03-06 Nec Corp Power source closing circuit

Similar Documents

Publication Publication Date Title
JPS5997540U (en) Dual uninterruptible power supply
JPS5913092U (en) snubber circuit
JPS5990289U (en) switching power supply
JPS60186831U (en) Power supply device with solar battery
JPS58150388U (en) DC power circuit
JPS58174953U (en) Inverter device
JPS5981291U (en) Self-excited switching power supply
JPS60166292U (en) Inverter device
JPS617229U (en) Uninterruptible power system
JPS59187215U (en) power circuit
JPS5851637U (en) Uninterruptible power system
JPS58153584U (en) Protection circuit for power conversion equipment
JPS586549U (en) Uninterruptible DC power supply
JPS59164487U (en) Inverter overvoltage protection device
JPS59169593U (en) Parallel inverter device
JPS6039138U (en) power circuit
JPS6044485U (en) Solid DC current and disconnection equipment
JPS6018688U (en) rectifier circuit
JPS6031187U (en) Multi-voltage rectifier power supply
JPS617232U (en) Uninterruptible power system
JPS5857288U (en) Boost DC chopper circuit
JPS5941091U (en) power circuit
JPS5917676U (en) Heater preheating circuit
JPS5981288U (en) switching power supply
JPS58176591U (en) Overvoltage suppression device for current source inverter