JPH0360851U - - Google Patents
Info
- Publication number
- JPH0360851U JPH0360851U JP11986289U JP11986289U JPH0360851U JP H0360851 U JPH0360851 U JP H0360851U JP 11986289 U JP11986289 U JP 11986289U JP 11986289 U JP11986289 U JP 11986289U JP H0360851 U JPH0360851 U JP H0360851U
- Authority
- JP
- Japan
- Prior art keywords
- power
- line
- inverter
- output
- converter
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Stand-By Power Supply Arrangements (AREA)
Description
第１図は本考案交流無停電電源装置の一実施例
を示す回路図、第２図および第３図は従来例を示
す回路図、第４図は従来の装置を非絶縁とした場
合の電源短絡モードを示す図、第５図はスイツチ
のタイミングを示す図である。
１…商用電源、２…整流器、３…非絶縁ＤＣ／
ＤＣコンバータ、４…ＯＮ／ＯＦＦ機能可制御ス
イツチ、５…バツテリー、６…インバータ、７，
８，９…ＯＮ機能可制御スイツチ、１０…バイパ
ス、１１…出力。
Fig. 1 is a circuit diagram showing an embodiment of the AC uninterruptible power supply of the present invention, Figs. 2 and 3 are circuit diagrams showing conventional examples, and Fig. 4 is a power supply when the conventional device is non-insulated. FIG. 5 is a diagram showing the short circuit mode, and FIG. 5 is a diagram showing the timing of the switch. 1... Commercial power supply, 2... Rectifier, 3... Non-isolated DC/
DC converter, 4...ON/OFF function controllable switch, 5...battery, 6...inverter, 7,
8, 9...ON function controllable switch, 10...bypass, 11...output.
Claims (1)
の直流電力を変圧するＤＣ／ＤＣコンバータ、そ
のＤＣ／ＤＣコンバータ出力に突き合わせている
バツテリー、またその直流電力を所定の電圧と周
波数とを有する交流電力に変換するインバータ、
そして出力に供給する電力を商用電源からかイン
バータ出力からかを切換えるスイツチを備え、前
記商用電源が停電もしくは電圧低下した場合に断
絶することなく負荷に所要の電力を供給し得る如
くした無停電電源装置において、ＤＣ／ＤＣコン
バータとインバータの間のプラスラインとマイナ
スラインのそれぞれにＯＮ／ＯＦＦ機能可制御ス
イツチを設けると共に、インバータ出力のＵライ
ンとバイパス回路のＶラインのそれぞれにＯＮ機
能可制御スイツチを設けたことを特徴とする無停
電電源装置。 A rectifier that converts commercial AC power into DC power, a DC/DC converter that transforms the DC power, a battery that matches the output of the DC/DC converter, and converts the DC power into AC power with a predetermined voltage and frequency. inverter to convert,
The uninterruptible power supply is equipped with a switch for switching the power supplied to the output from the commercial power source or the inverter output, and is capable of supplying the required power to the load without interruption even in the event of a power outage or voltage drop in the commercial power source. In the device, an ON/OFF controllable switch is provided on each of the plus line and minus line between the DC/DC converter and the inverter, and an ON function controllable switch is provided on each of the inverter output U line and the bypass circuit V line. An uninterruptible power supply device characterized by being provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11986289U JPH0721074Y2 (en) | 1989-10-13 | 1989-10-13 | AC uninterruptible power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11986289U JPH0721074Y2 (en) | 1989-10-13 | 1989-10-13 | AC uninterruptible power supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0360851U true JPH0360851U (en) | 1991-06-14 |
| JPH0721074Y2 JPH0721074Y2 (en) | 1995-05-15 |
Family
ID=31667958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11986289U Expired - Lifetime JPH0721074Y2 (en) | 1989-10-13 | 1989-10-13 | AC uninterruptible power supply |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0721074Y2 (en) |
-
1989
- 1989-10-13 JP JP11986289U patent/JPH0721074Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0721074Y2 (en) | 1995-05-15 |