JPH02110942U - - Google Patents
Info
- Publication number
- JPH02110942U JPH02110942U JP1931889U JP1931889U JPH02110942U JP H02110942 U JPH02110942 U JP H02110942U JP 1931889 U JP1931889 U JP 1931889U JP 1931889 U JP1931889 U JP 1931889U JP H02110942 U JPH02110942 U JP H02110942U
- Authority
- JP
- Japan
- Prior art keywords
- inrush current
- load
- power
- delay timer
- current limiting
- 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 3
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の一実施例のブロツク図、第２
図は従来例のブロツク図である。
１……電源装置、１０……電源ライン、１１…
…順序起動回路、１２……突入電流制限回路、Ｍ
Ｃ１，ＭＣ２……電磁接触器、ＭＣＴ１，ＭＣＴ
２……オンデイレイ電磁接触器、Ｒ１，Ｒ２……
突入電流制限素子、Ｔ１，Ｔ２……オンデイレイ
タイマ、ＣＴ１，ＣＴ２……変流器、Ｍ１，Ｍ２
……電流検出素子、Ｍ１１，Ｍ１２……電流検出
素子のａ接点、Ｓ１，Ｓ２……負荷側電源スイツ
チ、Ｌ１，Ｌ２……負荷。
Fig. 1 is a block diagram of an embodiment of the present invention;
The figure is a block diagram of a conventional example. 1...Power supply device, 10...Power line, 11...
...Sequential starting circuit, 12...Inrush current limiting circuit, M
C 1 , MC 2 ...magnetic contactor, MCT 1 , MCT
2 ...On-day electromagnetic contactor, R1 , R2 ...
Inrush current limiting element, T 1 , T 2 ... On-delay timer, CT 1 , CT 2 ... Current transformer, M 1 , M 2
... Current detection element, M 11 , M 12 ... A contact of the current detection element, S 1 , S 2 ... Load side power switch, L 1 , L 2 ... Load.
Claims (1)
電源投入時の負荷への突入電流を抑制する突入電
流制限素子と、供給電源電圧の印加により起動す
るオンデイレイタイマと、前記オンデイレイタイ
マのタイムアツプに基づき投入され前記突入電流
制限素子を短絡し定常時全電源電圧を負荷に供給
するオンデイレイ電磁接触器とで構成される突入
電流制限回路において、 電源装置の定常運転中負荷電流が所要の一定値
以下に低下したことを検出してオンデイレイタイ
マをリセツトする電流検出素子を設けたことを特
徴とした突入電流制限回路。[Claim for Utility Model Registration] An inrush current limiting element that is located in a power supply device that supplies power to load equipment and suppresses inrush current to the load when the power is turned on, and an on-delay timer that is activated by application of the supply power voltage. and an on-delay electromagnetic contactor that is turned on based on the time-up of the on-delay timer to short-circuit the inrush current limiting element and supply the full power supply voltage to the load during normal operation. An inrush current limiting circuit characterized by being provided with a current detection element that resets an on-delay timer by detecting that a medium load current has fallen below a required constant value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1931889U JPH02110942U (en) | 1989-02-21 | 1989-02-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1931889U JPH02110942U (en) | 1989-02-21 | 1989-02-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02110942U true JPH02110942U (en) | 1990-09-05 |
Family
ID=31234722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1931889U Pending JPH02110942U (en) | 1989-02-21 | 1989-02-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02110942U (en) |
-
1989
- 1989-02-21 JP JP1931889U patent/JPH02110942U/ja active Pending