JPS63228923A - Load connecting and cutting-off circuit - Google Patents
Load connecting and cutting-off circuitInfo
- Publication number
- JPS63228923A JPS63228923A JP62063104A JP6310487A JPS63228923A JP S63228923 A JPS63228923 A JP S63228923A JP 62063104 A JP62063104 A JP 62063104A JP 6310487 A JP6310487 A JP 6310487A JP S63228923 A JPS63228923 A JP S63228923A
- Authority
- JP
- Japan
- Prior art keywords
- load
- current
- inrush current
- steady state
- power supply
- 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 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Landscapes
- Stand-By Power Supply Arrangements (AREA)
- Supply And Distribution Of Alternating Current (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
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は電源装置の負荷投入・切断回路に関し、特に非
常用発電機を含む電源装置の負荷投入・切断回路に関す
る。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a load application/disconnection circuit for a power supply device, and more particularly to a load application/disconnection circuit for a power supply device including an emergency generator.
従来、非常用発電機を含む電源装置の定格容量は、各負
荷が要求する起動時突入電流の合計値又は各負荷が要求
する定常時数大入力電流の合計値のいずれか大きな方に
しなければならなかった。Conventionally, the rated capacity of a power supply including an emergency generator must be the larger of the total startup inrush current required by each load or the total steady-state large input current required by each load. did not become.
そのため、通常の使用状態に比べて過大な定格容量を有
していた。Therefore, it had a rated capacity that was excessive compared to the normal usage condition.
上記のように、単に起動時突入電流又は最大入力電流の
合計値のいずれか大きな方を定格容量としていたので、
従来の電源装置は通常の使用状態よりも過大な定格容量
を有する電源装置を設備しなければならない欠点があっ
た。As mentioned above, the rated capacity was simply the larger of the inrush current at startup or the total value of the maximum input current, so
Conventional power supply devices have the disadvantage that they must be equipped with a power supply device having a rated capacity that is larger than that in normal use.
本発明の目的は、各負荷の通常使用状態の電流値および
起動時突入電流値により、負荷の優先順位および電源装
置の未使用容量により、負荷の投入・切断を実施するこ
とによって、上記欠点を除去し、電源装置の定格容量を
減じることができる用に構成した負荷投入・切断回路を
提供することにある。An object of the present invention is to solve the above-mentioned drawbacks by turning on and off loads based on the current value of each load under normal use and the start-up inrush current value, the priority of the load, and the unused capacity of the power supply. It is an object of the present invention to provide a load application/disconnection circuit constructed in such a way that the rated capacity of a power supply device can be reduced.
本発明の負荷投入・切断回路の構成は、一つの給電端か
ら複数の負荷装置へ供給する電力をそれぞれ制御する複
数の電磁接触器と、前記複数の負荷装置の定常時電流お
よび起動時突入電流をそれぞれ測定する定常時電流検出
器および突入電流検出器と、前記複数の定常時電流検出
器及び突入電流検出器より得られた定常時および起動時
突入電流値により、定常時電流及び起動時突入電流があ
らかじめ定められた値を越えないように前もって設定さ
れた優先順位に従って、前記複数の負荷装置を個々に投
入・切断するように制御信号を前記複数の電磁接触器に
送出するための負荷制御装置を具備して構成したことを
特徴とする。The configuration of the load application/disconnection circuit of the present invention includes a plurality of electromagnetic contactors that respectively control power supplied from one power supply end to a plurality of load devices, and a steady state current and an inrush current at startup of the plurality of load devices. A steady state current detector and an inrush current detector respectively measure the steady state current and the inrush current at startup, and the steady state and startup inrush current values obtained from the plurality of steady state current detectors and inrush current detectors are used to measure the steady state current and startup inrush current. Load control for sending control signals to the plurality of electromagnetic contactors to individually turn on and off the plurality of load devices according to preset priorities so that the current does not exceed a predetermined value. It is characterized in that it is configured to include a device.
〔実施例〕 次に、本発明について図面を参照して説明する。〔Example〕 Next, the present invention will be explained with reference to the drawings.
第１図は本発明の負荷投入・切断回路の一実施例を示す
ブロック図である。FIG. 1 is a block diagram showing an embodiment of the load application/disconnection circuit of the present invention.
第１図において、１は電源装置、３は負荷制御装置、４
は負荷投入・切断回路、５は定常暗電流検出回路、６は
起動時突入電流検出回路、７は制御回路、２１〜２３は
それぞれ負荷装置、８１〜８３は電流検出器、９１〜９
３は突入電流検出器、１０１〜１０３は電磁接触器であ
る。In FIG. 1, 1 is a power supply device, 3 is a load control device, and 4 is a power supply device.
5 is a load input/disconnection circuit, 5 is a steady dark current detection circuit, 6 is a startup inrush current detection circuit, 7 is a control circuit, 21 to 23 are load devices, 81 to 83 are current detectors, 91 to 9
3 is an inrush current detector, and 101 to 103 are electromagnetic contactors.
第１図において、電源装置１には複数の負荷装置２１〜
２３が電力線１４によって接続されている。それぞれ負
荷装置２１〜２３に流れる起動時突入電流は突入電流検
出器９１〜９３、定常電流は電流検出器８１〜８３によ
ってそれぞれ測定され、起動時突入電流検出回路６と定
常暗電流検出回路５によって負荷装置２１〜２３のそれ
ぞれの電流値データが制御回路７へ送出される。In FIG. 1, a power supply device 1 includes a plurality of load devices 21 to 21.
23 are connected by a power line 14. The inrush current at startup flowing through the load devices 21 to 23 is measured by the inrush current detectors 91 to 93, the steady current is measured by the current detectors 81 to 83, respectively, and the inrush current at startup is measured by the inrush current detection circuit 6 and the steady dark current detection circuit 5. Current value data for each of the load devices 21 to 23 is sent to the control circuit 7.
制御回路７は、それぞれの負荷の起動時および定常時の
増減をみながら、起動時と定常時のそれぞれの電流値の
合計が電源装置１のあらかじめ定められた容量におさま
るように、電源装置１の未使用定格容量とあらかじめ定
められた優先順位に従って負荷を切断したり、あるいは
投入したりする信号を負荷投入・切断回路４へ送出する
。負荷投入・切断回路４は、制御回路７の送出する信号
によって電磁接触器１０１〜１０３を動作させ、負荷２
１〜２３を個々に投入したり、あるいは切断したりして
制御する。The control circuit 7 monitors the increase and decrease of each load during startup and steady state, and controls the power supply 1 so that the sum of the current values at startup and steady state falls within the predetermined capacity of the power supply 1. A signal for cutting off or turning on the load is sent to the load turning on/off circuit 4 according to the unused rated capacity of the load and a predetermined priority order. The load application/disconnection circuit 4 operates the electromagnetic contactors 101 to 103 according to the signal sent from the control circuit 7, and
1 to 23 are controlled by turning them on or cutting them off individually.
本発明は以上説明したように、複数の負荷装置の定常時
電流および起動時突入電流を測定し、定められた優先順
位および電源装置の未使用定格容量に応じて、負荷の負
荷投入・切断を行うことにより、負荷にみあった分だけ
の定格容量を確保すれば良く効率的な電源装置を提供で
きる効果がある。As explained above, the present invention measures the steady-state current and start-up inrush current of multiple load devices, and turns the loads on and off according to the determined priority and the unused rated capacity of the power supply device. By doing so, it is possible to provide an efficient power supply device by simply securing a rated capacity that matches the load.
第１図は本発明による負荷投入・切断回路の一５一
実施例を示すブロック図である。
１・・・電源装置、３・・・負荷制御装置、４・・・負
荷投入・切断回路、５・・・定常暗電流検出回路、６・
・・起動時突入電流検出回路、７・・・制御回路、１１
〜１３・・・接続線、１４・・・電力線、２１〜２３・
・・負荷・装置、８１〜８３・・・電流検出器、９１〜
９３・・・突入電流検出器、１０１〜１０３・・・電磁
接触器。
６一FIG. 1 is a block diagram showing one embodiment of a load application/disconnection circuit according to the present invention. DESCRIPTION OF SYMBOLS 1... Power supply device, 3... Load control device, 4... Load application/disconnection circuit, 5... Steady-state dark current detection circuit, 6.
...Inrush current detection circuit at startup, 7...Control circuit, 11
~13... Connection line, 14... Power line, 21-23.
...Load/device, 81-83...Current detector, 91-
93...Inrush current detector, 101-103...Magnetic contactor. 61
Claims (1)
ぞれ制御する複数の電磁接触器と、前記複数の負荷装置
の定常時電流および起動時突入電流をそれぞれ測定する
定常時電流検出器および突入電流検出器と、前記複数の
定常時電流検出器及び突入電流検出器より得られた定常
時および起動時突入電流値により、定常時電流及び起動
時突入電流があらかじめ定められた値を越えないように
前もって設定された優先順位に従って、前記複数の負荷
装置を個々に投入・切断するように制御信号を前記複数
の電磁接触器に送出するための負荷制御装置を具備して
構成したことを特徴とする負荷投入・切断回路。A plurality of electromagnetic contactors that respectively control the power supplied from one power supply end to a plurality of load devices, and a steady state current detector and inrush current that respectively measure the steady state current and start-up inrush current of the plurality of load devices. The steady state current and startup inrush current values obtained from the detector and the plurality of steady state current detectors and inrush current detectors are used to prevent the steady state current and startup inrush current from exceeding predetermined values. The present invention is characterized in that it is configured to include a load control device for sending control signals to the plurality of electromagnetic contactors so as to individually turn on and disconnect the plurality of load devices according to priorities set in advance. Load input/disconnection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62063104A JPS63228923A (en) | 1987-03-17 | 1987-03-17 | Load connecting and cutting-off circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62063104A JPS63228923A (en) | 1987-03-17 | 1987-03-17 | Load connecting and cutting-off circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63228923A true JPS63228923A (en) | 1988-09-22 |
Family
ID=13219649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62063104A Pending JPS63228923A (en) | 1987-03-17 | 1987-03-17 | Load connecting and cutting-off circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63228923A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007020288A (en) * | 2005-07-06 | 2007-01-25 | Tempearl Ind Co Ltd | Method for controlling apparatus |
| JP2007020310A (en) * | 2005-07-07 | 2007-01-25 | Tempearl Ind Co Ltd | Method for controlling apparatus |
| JP2010088170A (en) * | 2008-09-30 | 2010-04-15 | Omron Corp | Uninterruptible power supply device, information processor, and uninterruptible power supply management system |
| JP2011065286A (en) * | 2009-09-15 | 2011-03-31 | Advantest Corp | Power unit, testing device, and power supply method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57106338A (en) * | 1980-12-23 | 1982-07-02 | Fujitsu Ltd | Power source control device |
| JPS5819303B2 (en) * | 1974-07-09 | 1983-04-18 | ハインツ−デイ−テル アドマイト | Jidou Belt Makiage Kyoujisouchi |
| JPS61294530A (en) * | 1985-06-24 | 1986-12-25 | Panafacom Ltd | Control system for application of power supply |
-
1987
- 1987-03-17 JP JP62063104A patent/JPS63228923A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5819303B2 (en) * | 1974-07-09 | 1983-04-18 | ハインツ−デイ−テル アドマイト | Jidou Belt Makiage Kyoujisouchi |
| JPS57106338A (en) * | 1980-12-23 | 1982-07-02 | Fujitsu Ltd | Power source control device |
| JPS61294530A (en) * | 1985-06-24 | 1986-12-25 | Panafacom Ltd | Control system for application of power supply |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007020288A (en) * | 2005-07-06 | 2007-01-25 | Tempearl Ind Co Ltd | Method for controlling apparatus |
| JP2007020310A (en) * | 2005-07-07 | 2007-01-25 | Tempearl Ind Co Ltd | Method for controlling apparatus |
| JP2010088170A (en) * | 2008-09-30 | 2010-04-15 | Omron Corp | Uninterruptible power supply device, information processor, and uninterruptible power supply management system |
| JP2011065286A (en) * | 2009-09-15 | 2011-03-31 | Advantest Corp | Power unit, testing device, and power supply method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100438297C (en) | Current balancing circuit | |
| EP2278686B1 (en) | Method and apparatus for providing uninterruptible power | |
| US5142163A (en) | High speed load transfer system | |
| US5654627A (en) | Method of automatically changing upper, balanced and lower voltage in electric power saving transformer and the device of the same | |
| JPS63228923A (en) | Load connecting and cutting-off circuit | |
| JPH09269842A (en) | Control circuit in power saving device | |
| JPS61210829A (en) | Load closing separation circuit | |
| JP2659758B2 (en) | Parallel operation control method | |
| JP3713429B2 (en) | Offline UPS system | |
| US4631655A (en) | Power distribution system | |
| JP2520113B2 (en) | Track abnormality monitoring system | |
| CN218940767U (en) | Power supply switching system and power supply | |
| JPH0538055A (en) | Power supply | |
| JPH03195320A (en) | Power feed unit | |
| JPS6066234U (en) | Abnormal load detection circuit for multi-load control equipment | |
| JPH07184316A (en) | Open phase detecting circuit | |
| JPS62250832A (en) | Source feeder | |
| JPH0632158A (en) | Voltage restraint device for dc electric railway | |
| JPS59110321A (en) | Overcurrent detecting system | |
| JPS5959027A (en) | No-break power source | |
| JPH0340723A (en) | Power supply apparatus | |
| SU1356120A1 (en) | Redundancy d.c.power supply system | |
| JPS61218311A (en) | Controller for power managing equipment | |
| JPS62285638A (en) | Inverter output switching circuit | |
| JPS6315822B2 (en) |