JPH0275953U - - Google Patents
Info
- Publication number
- JPH0275953U JPH0275953U JP15175788U JP15175788U JPH0275953U JP H0275953 U JPH0275953 U JP H0275953U JP 15175788 U JP15175788 U JP 15175788U JP 15175788 U JP15175788 U JP 15175788U JP H0275953 U JPH0275953 U JP H0275953U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- rectifier
- output
- control element
- bridge
- 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
Links
- 238000001514 detection method Methods 0.000 claims description 5
- 239000004065 semiconductor Substances 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
Landscapes
- Stand-By Power Supply Arrangements (AREA)
Description
第１図は本考案の一実施例を示すブロツク図、
第２図は従来装置のブロツク図、第３図は従来及
び本考案の動作を説明するための特性図である。
１……交流電源、２……しや断器、３，３―１
，３―２……整流器用変圧器、４……整流装置、
５……ダイオードブリツジ、６……直流リアクト
ル、７……電解コンデンサ、８……インバータ装
置、９……インバータ用変圧器、１０……交流リ
アクトル、１１……コンデンサ、１２……交流出
力、１３……蓄電池、１４……充電器、１５……
サイリスタスイツチ、１６，１７……しや断器、
１８……停電検出制御回路、１９……交流電圧検
出回路、２０……電圧及び周波数制御回路、２１
……半導体制御素子ブリツジ、２２……直流電圧
検出回路、２３……直流電圧制御回路、２４……
交流入力電圧。
FIG. 1 is a block diagram showing an embodiment of the present invention.
FIG. 2 is a block diagram of a conventional device, and FIG. 3 is a characteristic diagram for explaining the operation of the conventional device and the present invention. 1...AC power supply, 2...Shiya disconnector, 3, 3-1
, 3-2... Rectifier transformer, 4... Rectifier,
5... Diode bridge, 6... DC reactor, 7... Electrolytic capacitor, 8... Inverter device, 9... Inverter transformer, 10... AC reactor, 11... Capacitor, 12... AC output, 13...storage battery, 14...charger, 15...
Thyristor switch, 16, 17...Shiya disconnection,
18... Power outage detection control circuit, 19... AC voltage detection circuit, 20... Voltage and frequency control circuit, 21
... Semiconductor control element bridge, 22 ... DC voltage detection circuit, 23 ... DC voltage control circuit, 24 ...
AC input voltage.
Claims (1)
導体制御素子から成る半導体制御素子ブリツジを
直列に接続した整流装置と、交流電源と前記ダイ
オードブリツジ及び交流電源と前記半導体制御素
子ブリツジ間に設けられた整流器用変圧器と、前
記整流装置の出力直流電圧を検出する直流電圧検
出回路と、前記直流電圧検出回路の出力を入力し
、前記整流装置の半導体制御素子ブリツジを制御
して整流装置の出力直流電圧を制御する直流電圧
制御回路を具備し、整流装置の出力直流電圧を、
交流入力電圧の停電検出まで蓄電池電圧になるよ
うに制御することを特徴とする無停電電源装置。 A rectifier comprising a diode bridge consisting of a diode and a semiconductor control element bridge consisting of a semiconductor control element connected in series, and a rectifier transformer provided between an AC power source and the diode bridge and between the AC power source and the semiconductor control element bridge. a DC voltage detection circuit for detecting the output DC voltage of the rectifier, and an output of the DC voltage detection circuit is inputted to control the semiconductor control element bridge of the rectifier to control the output DC voltage of the rectifier. Equipped with a DC voltage control circuit that controls the output DC voltage of the rectifier,
An uninterruptible power supply device characterized in that the AC input voltage is controlled to be the storage battery voltage until a power outage is detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15175788U JPH0275953U (en) | 1988-11-24 | 1988-11-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15175788U JPH0275953U (en) | 1988-11-24 | 1988-11-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0275953U true JPH0275953U (en) | 1990-06-11 |
Family
ID=31426089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15175788U Pending JPH0275953U (en) | 1988-11-24 | 1988-11-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0275953U (en) |
-
1988
- 1988-11-24 JP JP15175788U patent/JPH0275953U/ja active Pending