JPH0247706A - Electromagnet power unit - Google Patents
Electromagnet power unitInfo
- Publication number
- JPH0247706A JPH0247706A JP63198372A JP19837288A JPH0247706A JP H0247706 A JPH0247706 A JP H0247706A JP 63198372 A JP63198372 A JP 63198372A JP 19837288 A JP19837288 A JP 19837288A JP H0247706 A JPH0247706 A JP H0247706A
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- coil
- power source
- current
- 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.)
- Granted
Links
- 230000002159 abnormal effect Effects 0.000 claims abstract description 9
- 239000003990 capacitor Substances 0.000 abstract description 15
- 230000002457 bidirectional effect Effects 0.000 abstract description 5
- 230000005294 ferromagnetic effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Landscapes
- Stand-By Power Supply Arrangements (AREA)
- Control Of Voltage And Current In General (AREA)
Abstract
Description
【発明の詳細な説明】
［発明の目的コ
（産業上の利用分野）
本発明は、強磁場発生用の［磁石コイルとこれに直流電
流を供給する直流電源で構成される装置において、前記
直流電源の異常停止時の該電磁石コイルを機械力的ショ
ックより保換することを目的とした電磁石電源装置に関
する。DETAILED DESCRIPTION OF THE INVENTION [Purpose of the Invention (Industrial Application Field) The present invention provides a device for generating a strong magnetic field, which is composed of a magnet coil and a direct current power source that supplies direct current to the magnet coil, The present invention relates to an electromagnetic power supply device whose purpose is to protect the electromagnetic coil from mechanical shock when the power supply stops abnormally.
（従来の技術）
第３図は、従来の電磁石電源で、ＩＦｉ直流電源で１−
１のサイリスタ変換器１−２の直流フィルタなどで構成
される。又２は強磁場発生用の電磁石コイルである。前
記直流電源は一般に低リプル（ｌＸｌ０−４程度）の電
流を供給するものかあシ、電流定格で２０〜３０ ｋＡ
級のものがおる。(Prior art) Figure 3 shows a conventional electromagnetic power supply with an IFi DC power supply.
It is composed of a DC filter of a thyristor converter 1-2, etc. Further, 2 is an electromagnetic coil for generating a strong magnetic field. The DC power supply generally supplies a low ripple current (about lXl0-4), and has a current rating of 20 to 30 kA.
There are people of the same class.
（発明が解決しようとする課題）
上記の電磁石コイル電源において、直流電源１の交流入
力が停電した場合にはｔｉ磁石コイル電流が急に流れな
くなる。このとき′を磁石コイル２に急峻な機械力変化
が生じるので、コイルがダメーノ金受ける（コイルの機
構上）問題があった。(Problems to be Solved by the Invention) In the electromagnetic coil power supply described above, when the AC input of the DC power supply 1 is interrupted, the ti magnet coil current suddenly stops flowing. At this time, a sharp change in mechanical force occurs in the magnet coil 2, so there is a problem (due to the mechanism of the coil) that the coil receives damage from the metal.
本発明に前記の問題点を解決するために、コイル保護用
の電源を付加した電磁石電源装置ｉｔｔ提供することを
目的とする。In order to solve the above-mentioned problems, it is an object of the present invention to provide an electromagnetic power supply device itt which is provided with a power supply for protecting the coil.
［発明の構成］
（課題を解決する為の手段）
第１図は本発明の原理図を示すもので、１０は直流可変
電圧電源、１１はスイッチでるる。本図の構成とするこ
とで一攬の無停ｉｔ＃を構成し。[Structure of the Invention] (Means for Solving the Problems) FIG. 1 shows a diagram of the principle of the present invention, in which 10 is a DC variable voltage power supply, and 11 is a switch output. With the configuration shown in this figure, an uninterrupted IT# can be configured.
電磁石コイル２の保護を行うものである。It protects the electromagnetic coil 2.
（作 用）
第１図において、直流電源１が異常停止したとき、スイ
ッチ１１を投入すｆＬば電磁石コイル２に引き続きｔ流
を流すことができるので、コイルに急峻な機械力変化が
生じることがなくなる。(Function) In Fig. 1, when the DC power supply 1 stops abnormally, the current can continue to flow through the electromagnetic coil 2 by turning on the switch 11, so that a sudden change in mechanical force will not occur in the coil. It disappears.
（実施例）
第２図は本発明の一実施例を示す構成図でおり、直流可
変電圧＃ｌＱは変圧器２ノの自励式変換器２２、直流コ
ンデンサ２３−１．２３−２両方向チ、ツバ回路２４で
構成される。また１ノー１はサイリスタ、２５は電圧検
出器、２６は直流゛電源１の異常停止検出器である。(Embodiment) FIG. 2 is a configuration diagram showing an embodiment of the present invention, in which the DC variable voltage #1Q is applied to the self-commutated converter 22 of the transformer 2, the DC capacitor 23-1, 23-2 bidirectional circuit, It is composed of a collar circuit 24. Further, 1 no 1 is a thyristor, 25 is a voltage detector, and 26 is an abnormal stop detector for the DC power supply 1.
第２図において、直流電源１の異常停止回路検出器２６
の出力によシサイリスタ１１−１を点弧すると、直流可
変電圧源１ｏより 電磁石コイル２に電流が供給さｎる
。又電源１０は以下の様に動作する。In FIG. 2, an abnormal stop circuit detector 26 of the DC power supply 1
When the thyristor 11-1 is ignited by the output, current is supplied to the electromagnetic coil 2 from the DC variable voltage source 1o. Further, the power supply 10 operates as follows.
一般に直流ｔｅＸＪから電磁石コイル２に供給される［
流は増・減の変化がある。このため電磁石コイル２に印
加される電圧を電圧検出器２５により検出し、この信号
出力に基づいて、直流コンデンサ２３−２の電圧が電磁
石コイル２の電圧値と同じ電圧値となる様に両方向テ、
り／譬回路２４で制御し、サイリスタ２ｌ−１ｔ−点弧
したとき電磁石コイル２の電流に変化が生じない様にす
る。自励変換器２２と直流コンデンサ２３−１は両方向
チョッパ回路２４を安定に動作させるための定電圧電源
である。Generally, the DC teXJ is supplied to the electromagnetic coil 2 [
The flow changes by increasing or decreasing. Therefore, the voltage applied to the electromagnetic coil 2 is detected by the voltage detector 25, and based on this signal output, a bidirectional test is performed so that the voltage of the DC capacitor 23-2 becomes the same voltage value as the voltage value of the electromagnetic coil 2. ,
It is controlled by the analog circuit 24 so that no change occurs in the current of the electromagnetic coil 2 when the thyristors 2l-1t are fired. The self-exciting converter 22 and the DC capacitor 23-1 are constant voltage power supplies for stably operating the bidirectional chopper circuit 24.
コンデンサ２３−２の直流電圧が増加状態にあるときは
自励変換器２２を順変換運転し、交流電源１ｇ１Ｉより
電力の供給を受け１両方向チョッパ回路２４を介してコ
ンデンサ２３−２ｆ充電する。又コンデンサ２３−２の
電圧が減少状態にあるときは５両方向チョッパ回路２４
金直流コンデンサ２３−２の電荷が放′通する様に運転
し、直流コンデンサ２３−ＩＶＣエネルギを戻す。この
とき自励変換器２２は直流電圧（直流コンデンサ２３−
１の電圧）が一定になる様に逆変換運転を行う。When the DC voltage of the capacitor 23-2 is in an increasing state, the self-excited converter 22 is operated for forward conversion, receives power from the AC power source 1g1I, and charges the capacitor 23-2f via the one-way chopper circuit 24. Also, when the voltage of the capacitor 23-2 is in a decreasing state, the 5-way chopper circuit 24
The gold DC capacitor 23-2 is operated so that the electric charge is released, and the DC capacitor 23-IVC energy is returned. At this time, the self-excited converter 22 receives a DC voltage (DC capacitor 23-
Inverse conversion operation is performed so that the voltage of 1) remains constant.
以上のように直流可変電圧源ｉｏの出方電圧（コンデン
サ２３−２の電圧）は常に電磁石コイル２の電圧と同一
の値になっている。従って、直流電源ｌの異常停止時に
サイリスタ１１−１ｔ点弧したとき１点弧時の電磁石コ
イル２の電流に変化が生じないので、常に電磁石コイル
２の電流の急峻な変化を防ぐことができる。As described above, the output voltage of the DC variable voltage source io (the voltage of the capacitor 23-2) is always the same value as the voltage of the electromagnetic coil 2. Therefore, when the thyristor 11-1t is fired during an abnormal stop of the DC power source 1, there is no change in the current of the electromagnetic coil 2 at the time of one firing, so a sudden change in the current of the electromagnetic coil 2 can be always prevented.
又直流電源１の異常停止と同時に自励変換器２２及び両
方向チョッ・４回路２４の運転動作を停止して、サイリ
スタ１ｌ−Ｉｆ点弧すればコイル電ａはコンデンサ２３
−２の容量に関係した時間（放電能力）でゆりくシと変
化させることができるので、コイルへの機械力変化が緩
和される。Also, when the DC power source 1 abnormally stops, the operation of the self-exciting converter 22 and the two-way switch 4 circuit 24 is stopped, and if the thyristor 1l-If is fired, the coil a is connected to the capacitor 23.
Since it can be changed slowly in a time (discharge capacity) related to the capacity of -2, changes in mechanical force to the coil are alleviated.
従って、直流可変′１圧源１０としては直流電源Ｊと同
一の容量である必要はなくなシ、直流コンデンサ２３−
２の充放電エネルギだけを処理すれば良いので、装置と
しての経済的設計も可能となる。Therefore, the DC variable voltage source 10 does not need to have the same capacity as the DC power supply J, and the DC capacitor 23-
Since only the charging and discharging energy of 2 needs to be processed, an economical design of the device is also possible.
［発明の効果］
以上説明したように本発明によれば、直流電源からの電
磁石コイルへの電流供給が急に断たれた時に、該直流可
変電圧源から電磁石コイルへ電流をスムーズに供給でき
るので、電磁石コイルの機械力急変を防止することがで
きる。[Effects of the Invention] As explained above, according to the present invention, when the current supply from the DC power source to the electromagnetic coil is suddenly cut off, current can be smoothly supplied from the DC variable voltage source to the electromagnetic coil. , it is possible to prevent sudden changes in the mechanical force of the electromagnetic coil.
第１図は本発明の詳細な説明するための構成図、第２図
は本発明の一実施例を示す構成図、第３図は従来装置の
構成図でるる。
記号の説明
ｌ・・・直流電源、２・・・ｔｔｍ石コベコイル０・・
・直流可変電圧電源、１ノ・・・スイッチ、１ノー１・
・；サイリスタ、２１・・・変圧器、２２・・・自励変
換器、 ２３−１ ＋２３−２・・・（直流）コンデン
サ、２４・・・両方向テ、ツバ回路、２５・・・電圧検
出器、２６・・・異常電圧慣出器。
出願人代塊人 弁理士 鈴 江 武 彦第
図
第
図FIG. 1 is a block diagram for explaining the present invention in detail, FIG. 2 is a block diagram showing an embodiment of the present invention, and FIG. 3 is a block diagram of a conventional device. Explanation of symbols l...DC power supply, 2...ttm stone coil 0...
・DC variable voltage power supply, 1 no...switch, 1 no 1・
・;Thyristor, 21...Transformer, 22...Self-excited converter, 23-1 +23-2...(DC) capacitor, 24...Bidirectional Te, collar circuit, 25...Voltage detection 26... Abnormal voltage acclimatizer. Applicant: Patent Attorney Takehiko Suzue
Claims (1)
、前記電磁石コイルにスイッチを介して並列接続される
直流可変電源と、前記電磁石コイルに印加される電圧を
検出する電圧検出器と、該電圧検出器の出力信号に応じ
て前記直流可変電源の出力電圧を前記電磁石コイル電圧
と等しくなるように制御する手段と、前記直流電源の異
常停止を検出し前記スイッチを投入する異常停止検出器
を具備して成る電磁石電源装置。an electromagnetic coil, a DC power source that supplies current to the coil, a variable DC power source that is connected in parallel to the electromagnetic coil via a switch, a voltage detector that detects the voltage applied to the electromagnetic coil, and the voltage A means for controlling the output voltage of the DC variable power supply to be equal to the electromagnetic coil voltage according to an output signal of a detector, and an abnormal stop detector for detecting an abnormal stop of the DC power supply and turning on the switch. Electromagnetic power supply device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63198372A JPH0760349B2 (en) | 1988-08-09 | 1988-08-09 | Electromagnet power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63198372A JPH0760349B2 (en) | 1988-08-09 | 1988-08-09 | Electromagnet power supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0247706A true JPH0247706A (en) | 1990-02-16 |
| JPH0760349B2 JPH0760349B2 (en) | 1995-06-28 |
Family
ID=16390016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63198372A Expired - Lifetime JPH0760349B2 (en) | 1988-08-09 | 1988-08-09 | Electromagnet power supply |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0760349B2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4877356A (en) * | 1972-01-22 | 1973-10-17 | ||
| JPS61134819A (en) * | 1984-12-05 | 1986-06-21 | Fujitsu Ltd | Uninterruptive power supply unit |
-
1988
- 1988-08-09 JP JP63198372A patent/JPH0760349B2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4877356A (en) * | 1972-01-22 | 1973-10-17 | ||
| JPS61134819A (en) * | 1984-12-05 | 1986-06-21 | Fujitsu Ltd | Uninterruptive power supply unit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0760349B2 (en) | 1995-06-28 |
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