JPS6022773Y2 - Uninterruptible power supply device - Google Patents
Uninterruptible power supply deviceInfo
- Publication number
- JPS6022773Y2 JPS6022773Y2 JP7730680U JP7730680U JPS6022773Y2 JP S6022773 Y2 JPS6022773 Y2 JP S6022773Y2 JP 7730680 U JP7730680 U JP 7730680U JP 7730680 U JP7730680 U JP 7730680U JP S6022773 Y2 JPS6022773 Y2 JP S6022773Y2
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- electromagnetic contactor
- load
- power
- control center
- 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.)
- Expired
Links
Landscapes
- Supply And Distribution Of Alternating Current (AREA)
Description
【考案の詳細な説明】
本考案は、上位系統が点検等により停電しても他系統か
らの給電により、特定の負荷の運転を継続させ得る無停
電給電装置にする。[Detailed Description of the Invention] The present invention provides an uninterruptible power supply device that can continue the operation of a specific load by supplying power from another system even if the upper system has a power outage due to inspection or the like.
従来誘導電動機等の集中制御装置として、第１図に示す
ように、配線用しゃ断器５２、電磁接触器８８、熱動継
電器４９等の主回路器具と、表示灯、押しボタンスイッ
チ等の監視制御器具を１つの集合体として組み合せた単
位装置（以下ユニットを称す’）Ａ、Ｂ、Ｃ・・・・・
・を１つの外箱にまとめたコントロールセンタＭＣＣが
ある。Conventionally, as a centralized control device for induction motors, etc., as shown in Fig. 1, it monitors and controls main circuit devices such as a wiring breaker 52, an electromagnetic contactor 88, and a thermal relay 49, as well as indicator lights, push button switches, etc. Unit devices (hereinafter referred to as units) that combine instruments into one assembly A, B, C...
There is a control center MCC that combines ・in one outer box.
このコントロールセンタＭＣＣには、その上位系統とし
て変圧器ＴＲ及び気中しゃ断器ＡＣＢ等が設けられ、こ
れらを介して電力が供給される。This control center MCC is provided with a transformer TR, an air breaker ACB, etc. as its upper system, and power is supplied through these.
しかしながらかような構成では、気中しゃ断器ＡＣＢや
変圧器ＴＲの点検期中は下位に接続されるコントロール
センタＭＣＣの負荷群は、全て停！となり、負荷群のう
ち特定の重要負荷への供給も出来なくなるといった不具
合が生じる。However, in such a configuration, during the inspection period of the air breaker ACB and transformer TR, all the loads of the control center MCC connected to the lower level are stopped! This causes a problem in that it becomes impossible to supply to a specific important load among the load group.
このため第２図に示すように変圧器ＴＲ１，ＴＲ２のい
ずれからも電力を供給出来るように母線連絡用の気中し
ゃ断器ＡＣＢ−３を設け、これによりコントロールセン
タＭＣＣ−１，ＭＣＣ−２間の母線を接続する２系統受
電システムもある。For this reason, as shown in Figure 2, an air breaker ACB-3 for busbar connection is provided so that power can be supplied from both transformers TR1 and TR2. There is also a two-system power receiving system that connects the busbars.
。この方式では、例えば変圧器ＴＲ１、気中しゃ断器Ａ
ＣＢ−１を停電とし、コントロールセンタＭＣＣ−１の
ユニットＡ□、Ｂ□の負荷へ電力を供給するとき、気中
しゃ断器ＡＣＢ −３を介して変圧器ＴＲ２、気中しゃ
断器ＡＣＢ−２から電力を供給する。. In this system, for example, transformer TR1, air breaker A
When CB-1 is in a power outage and power is supplied to the loads of units A□ and B□ of control center MCC-1, power is supplied from transformer TR2 and air breaker ACB-2 via air breaker ACB-3. Supply electricity.
しかし、この時停電中の気中しゃ断器ＡＣＢ−１の負荷
側は、活線状態となるので、安全な点検作業が出来ない
。However, at this time, the load side of the air breaker ACB-1 during the power outage becomes live, making it impossible to carry out safe inspection work.
またこの２系統受電システムは母線連絡用の気中しゃ断
器ＡＣＢ−３が必要となることから非常に高価な設備と
なる欠点があった。Furthermore, this two-system power receiving system requires an air breaker ACB-3 for connecting the busbars, so it has the disadvantage of being a very expensive piece of equipment.
本考案の目的は、停電を阻止すべき重要負荷に対し、別
系統からの電源の供給を継続し、しかも制御回路並びに
制御電源の供給等全く不要且つ上位の気中しゃ断器等を
安全に点検し得る無停電給電装置を提供するものである
。The purpose of this invention is to continue supplying power from a separate system to important loads that should prevent a power outage, and to safely inspect control circuits and air breakers that are completely unnecessary and are located above the control power supply. The present invention provides an uninterruptible power supply device that can be used.
以下本考案を第３図から第５図に示す一実施例を用いて
詳細に説明する。The present invention will be explained in detail below using an embodiment shown in FIGS. 3 to 5.
第３図は、本考案による無停電給電装置で、コントロー
ルセンタＭＣＣ−１は、ユニットＡ１．Ｂ工を有し、通
常変圧器ＴＲ１、気中しゃ断器ＡＣＢ−１から電力が供
給される。FIG. 3 shows an uninterruptible power supply system according to the present invention, in which a control center MCC-1 is connected to a unit A1. Power is normally supplied from transformer TR1 and air breaker ACB-1.
ここでユニットａは第４図、第５図に示したように、し
ゃ断器５２、電磁接触器８８、熱動継電器４９と負荷側
断路部ＤＳ１及び第２の負荷側断路部ＤＳ ２を有し、
第２の負荷側断路部ＤＳ２と電磁接触器８８の電源側を
伝線りにて接続する。Here, as shown in FIGS. 4 and 5, unit a includes a breaker 52, an electromagnetic contactor 88, a thermal relay 49, a load-side disconnecting section DS1, and a second load-side disconnecting section DS2. ,
The second load side disconnecting section DS2 and the power supply side of the electromagnetic contactor 88 are connected by a wire.
さらにユニットａは、第５図に示すように操作変圧器Ａ
ＵＴ、ヒユーズＦ、押しボタンスイッチＰＢＳ ＯＮ、
ＰＢＳ ＯＦＦ、表示灯０，００等を有す。Furthermore, the unit a has an operating transformer A as shown in FIG.
UT, fuse F, push button switch PBS ON,
It has PBS OFF, indicator light 0,00, etc.
第２の負荷側断路部ＤＳ２は変圧器ＴＲ２、気中しゃ断
器ＡＣＢ ２に接続されるコントロールセンタＭＣＣ−
２のユニットんに設けられた配線用配線用しゃ断器５２
の負荷側断路部ＤＳｌにケーブルＣを介して接続する。The second load-side disconnect section DS2 is a control center MCC- connected to the transformer TR2 and the air breaker ACB2.
Wiring circuit breaker 52 provided in unit No. 2
is connected to the load-side disconnection section DSl of the cable C via the cable C.
次に本考案の作用について説明する。Next, the operation of the present invention will be explained.
第３図において、コントロールセンタＭＣＣ−１のユニ
ットａの上位の気中しゃ断器ＡＣＢ −１の点検中には
、変圧器ＴＲ１からの電源供給は出来なくなるが、別系
統のコントロールセンタＭＣＣ−２のユニットＡ２の配
線用配線用しゃ断器５２をＯＮ操作することにより、ケ
ーブルＣを介して変圧器ＴＲ２から電力が該ユニットＢ
１の第２の負荷側断路部ＤＳ２に供給され、更にこれか
ら電磁接触器８８、熱動継電器４９、第１の負荷側断路
部ＤＳ１から負荷へと供給される。In Fig. 3, while the air breaker ACB-1 on the upper level of unit a of control center MCC-1 is being inspected, power supply from transformer TR1 becomes impossible, but control center MCC-2 in a separate system cannot be supplied with power. By turning on the wiring circuit breaker 52 of unit A2, power is supplied from transformer TR2 to unit B via cable C.
1 to the second load-side disconnecting section DS2, and further supplied to the load from the electromagnetic contactor 88, the thermal relay 49, and the first load-side disconnecting section DS1.
このとき制御回路も操作変圧器ＡＵＴから電力が供給さ
れるので、電磁接触器８８の開閉制御、すなわち、負荷
の起動、停止を行なうことができる。At this time, since the control circuit is also supplied with power from the operation transformer AUT, it is possible to control the opening and closing of the electromagnetic contactor 88, that is, to start and stop the load.
しかもこの場合コントロールセンタＭＣＣ−１の電源側
の気中しゃ断器ＡＣＢ ｌは該当ユニットＢ１の配線用
配線用しゃ断器５２をＯＦＦすることにより逆圧が印加
されることはなく、安全にコントロールセンタＭＣＣ−
１の上位の点検が行える。Furthermore, in this case, the air breaker ACB l on the power supply side of the control center MCC-1 can be safely connected to the control center MCC by turning off the circuit breaker 52 for the wiring of the corresponding unit B1, so that no reverse pressure is applied. −
A higher level inspection can be performed.
なお、変圧器ＴＲ１側の系統の停電に対し、この系統に
接続されたコントロールセンタＭＣＣ−１の他ユニット
への電力供給を継続したい場合にハ、別系統統のコント
ロールセンタＭＣＣ−２のユニットＡ２の配線用配線用
しゃ断器５２をＯＮさせるとともにコントロールセンタ
ＭＣＣ−１のユニットＢ１の線用配線用しゃ断器５２を
ＯＮさせることにより可能となる。In addition, in the event of a power outage in the system on the transformer TR1 side, if you want to continue supplying power to other units of the control center MCC-1 connected to this system, unit A2 of the control center MCC-2 in a separate system This is possible by turning on the wiring circuit breaker 52 of the control center MCC-1 and also turning on the line wiring circuit breaker 52 of the unit B1 of the control center MCC-1.
以上説明したように本考案によれば、上位の気中しゃ断
器又は該当コントロールセンタの母線の点検中でも下位
のコントロールセンタのユニットに接続する負荷を停電
することなく、容易に外部から電力を供給でき、更に、
ユニットの主回路器具の一部を利用するので、器具数が
大きく増加することはなく、また高価な気中しゃ断器や
特別な制御電源を用意する必要がないので、安価に構成
できる。As explained above, according to the present invention, power can be easily supplied from the outside without interrupting the load connected to the lower control center unit even during inspection of the upper air breaker or the busbar of the corresponding control center. , furthermore,
Since a part of the main circuit equipment of the unit is used, the number of equipment does not increase significantly, and there is no need to prepare an expensive air breaker or special control power supply, so it can be constructed at a low cost.
第１図、第２図は従来装置を示す系統図、第３図は本考
案による無停電給電装置の一実施例を示す系統図、第４
図、第５図は第３図で示したものの詳細を示す器具配置
結線図、及び三線結線図である。
５２・・・・・・配線用配線用しゃ断器、８８・・・・
・・電磁接触器、Ｍ・・・・・・負荷、Ａ２・・・・・
・別電源系統に接続する開閉器を備えたユニット。1 and 2 are system diagrams showing a conventional device, FIG. 3 is a system diagram showing an embodiment of the uninterruptible power supply device according to the present invention, and FIG.
5 are an instrument arrangement wiring diagram and a three-line wiring diagram showing details of what is shown in FIG. 3. 52... Wiring circuit breaker, 88...
...Magnetic contactor, M...Load, A2...
・A unit equipped with a switch that connects to a separate power supply system.
Claims (1)
列接続する電磁接触器を備えた主回路とこの電磁接触器
の電源側電路から制御電源を得て電磁接触器を開閉制御
する制御回路を備え、前記電磁接触器の負荷側端子は所
定の負荷に接続すると共に、この電磁接触器と前記配線
用しゃ断器との接続部を別の電源系統に設けた配線用し
ゃ断器の負荷側端子に接続した無停電給電装置。A main circuit that includes a wiring breaker whose one end is connected to the power supply system and an electromagnetic contactor connected in series with it, and a control circuit that obtains control power from the power supply side circuit of the electromagnetic contactor and controls the opening and closing of the electromagnetic contactor. The load side terminal of the electromagnetic contactor is connected to a predetermined load, and the connection part between the electromagnetic contactor and the wiring breaker is connected to the load side terminal of a wiring breaker provided in another power supply system. Connected uninterruptible power supply device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7730680U JPS6022773Y2 (en) | 1980-06-05 | 1980-06-05 | Uninterruptible power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7730680U JPS6022773Y2 (en) | 1980-06-05 | 1980-06-05 | Uninterruptible power supply device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS573339U JPS573339U (en) | 1982-01-08 |
| JPS6022773Y2 true JPS6022773Y2 (en) | 1985-07-06 |
Family
ID=29439881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7730680U Expired JPS6022773Y2 (en) | 1980-06-05 | 1980-06-05 | Uninterruptible power supply device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6022773Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59192561U (en) * | 1983-06-09 | 1984-12-20 | 横木造園株式会社 | Support for netfence |
-
1980
- 1980-06-05 JP JP7730680U patent/JPS6022773Y2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS573339U (en) | 1982-01-08 |
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