JPS594027U - Pre-charge type low voltage large current power supply - Google Patents
Pre-charge type low voltage large current power supplyInfo
- Publication number
- JPS594027U JPS594027U JP9989682U JP9989682U JPS594027U JP S594027 U JPS594027 U JP S594027U JP 9989682 U JP9989682 U JP 9989682U JP 9989682 U JP9989682 U JP 9989682U JP S594027 U JPS594027 U JP S594027U
- Authority
- JP
- Japan
- Prior art keywords
- control means
- line
- power supply
- charge storage
- storage means
- 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
Landscapes
- Continuous-Control Power Sources That Use Transistors (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
【図面の簡単な説明】
第１ａ図は本考案によるプリチャージ式低圧大電流電源
装置の基本構成を示すブロック図、第１ｂ図は第１ａ図
に示す装置の実施例を示す回路図、第２ａ図は第１ａ図
に示す制御部のブロック図、第２ｂ図は本考案における
制御動作を説明するためのタイミング図、第３図は本考
案を三線単相電源システムに適用した例を示す回路図、
第４図は本考案を三相２２０■電源システムに適用した
例を示す回路図である。
主要部分の符号の説明、１・・・ブリッジ整流回路、２
・・・電荷蓄積部、３・・・出力調整部、４・・・制御
部、４１・・・精密０交差検出器、４２・・・直流レベ
ル変換器、４３・・・遅延回路、４４・・・充電制御回
路、４５・・・電流制御回路、４６・・・光結合回路、
Ｇ□、Ｇ２゜６３〜Ｇ６・・・ゲート電極、Ａ・・・陽
極、Ｋ・・・陰極、ｔｏ・・・同期タイミング時点、Ｔ
ｄ・・・遅延時間、Ｔｓ・・・充電時間、Ｔｗ・・・仕
事時間。[BRIEF DESCRIPTION OF THE DRAWINGS] Fig. 1a is a block diagram showing the basic configuration of a precharge type low voltage large current power supply device according to the present invention, Fig. 1b is a circuit diagram showing an embodiment of the device shown in Fig. 1a, and Fig. 2a The figure is a block diagram of the control unit shown in Figure 1a, Figure 2b is a timing diagram for explaining the control operation of the present invention, and Figure 3 is a circuit diagram showing an example of applying the present invention to a three-wire single-phase power supply system. ,
FIG. 4 is a circuit diagram showing an example in which the present invention is applied to a three-phase 220-inch power supply system. Explanation of symbols of main parts, 1...Bridge rectifier circuit, 2
... Charge storage unit, 3... Output adjustment unit, 4... Control unit, 41... Precision zero crossing detector, 42... DC level converter, 43... Delay circuit, 44... ... Charging control circuit, 45... Current control circuit, 46... Optical coupling circuit,
G□, G2゜63~G6...Gate electrode, A...Anode, K...Cathode, to...Synchronization timing, T
d...Delay time, Ts...Charging time, Tw...Working time.
Claims (1)
と、 該電荷蓄積手段から負荷へ流れる放電電流を制御する第
２の制御手段と、 第１および第２の制御手段を制御する制御回路とを含み
、 ・ 該制御回路は、ライン電流の第１の位相において第１の
制御手段を駆動して前記電荷蓄積手段を充電させ、第１
の位相より遅れた第２の位相において第２め制御手段を
駆動して該電荷蓄積手段を放電させ、この放電電流をラ
イン電流に重量して前記負荷に供給することを特徴とす
るプリチャージ式低圧大電流電源装置。 ２ 実用新案登録請求の範囲第１項記載の装置において
、前記ライン電流は整流された半波を含み、前記制御回
路は、゛該半波のＯ交差を検出するＯ交差検出回路と、
該Ｏ交差検出回路かＯ交差を検出した時点からある期間
遅延した時点で第１の制御手段を駆動するための遅延回
路と、前記コンデンサに所定の電荷量が蓄積された時点
で第２の制御手段を駆動する電流制御回路とを含むこと
を特徴とする電源装置。 ３ 実用新案登録請求の範囲第１項記載の装置において
、前記ライン電流は単相二線交流電源から供給され、第
１の制御手段はブリッジ整流回路の辺を構成するサイリ
スタを含み、前記電荷蓄積手段はコンデンサを含み、第
２の制御手段は該コンデンサの一方の電極と負荷との間
に挿入されたサイリスタを含むことを特徴とする電源装
置。 ４ 実用新案登録請求の範囲第１項記載の装置において
、前記ライン電流はａ、 ｂおよびＣ線からなる単相
三線交流電源から供給され、第１の制御手段はａ線およ
びＣ線にそれぞれ挿入され ・た２つのサイリスク
を含み、ｂ線は電源の中立・ 点に接続され、前記電
荷蓄積手段は、ａ線およびＣ線とｂ線との間に共通に接
続された２つのコンデンサを含み、第２の制御手段は、
該電荷蓄積手段と負荷との間においてａ線およびＣ線に
それぞれ挿入された２つのサイリスタを含むことを特徴
とする電源装置。 ５ 実用新案登録請求の範囲第１項記載の装置において
、前記ライン電流はａ、 ｂおよびＣ線からなる三相
交流電源から供給され、第１の制御手段はａ、 ｂお
よびＣ線にそれぞれ挿入された３つのサイリスタを含み
、前記電荷蓄積手段は電源の中立点とａ、 ｂおよび
Ｃ線との間に共通に接続された３つのコンデンサを含み
、第２の制御手段は該電荷蓄積手段と負荷との間におい
てａ、 ｂおよびＣ線にそれぞれ挿入された３つのサ
イリスタを含み、半周期６０°後に導通して作動を始め
ることを特徴とする電源装置。[Claims for Utility Model Registration] 1. A charge storage means, a first control means for controlling a charging current to the charge storage means, and a second control means for controlling a discharge current flowing from the charge storage means to a load. and a control circuit that controls the first and second control means, the control circuit driving the first control means in a first phase of the line current to charge the charge storage means; 1st
A precharge type characterized in that the second control means is driven in a second phase that lags behind the phase of Low voltage high current power supply. 2 Utility Model Registration Scope of Claims 1. The device according to claim 1, wherein the line current includes a rectified half-wave, and the control circuit comprises: ``an O-crossing detection circuit for detecting an O-crossing of the half-wave;
a delay circuit for driving the first control means at a certain period of time delayed from the time when the O-crossing detection circuit detects the O-crossing; and a second control circuit for driving the first control means at a time when a predetermined amount of charge is accumulated in the capacitor. A power supply device comprising: a current control circuit for driving the means. 3 Utility Model Registration Scope of Claim 1 In the device according to claim 1, the line current is supplied from a single-phase two-wire AC power supply, the first control means includes a thyristor forming a side of a bridge rectifier circuit, and the first control means includes a thyristor forming a side of a bridge rectifier circuit, A power supply device characterized in that the means includes a capacitor, and the second control means includes a thyristor inserted between one electrode of the capacitor and a load. 4 Utility Model Registration Scope of Claim 1 In the device according to claim 1, the line current is supplied from a single-phase three-wire AC power source consisting of the a, b, and C lines, and the first control means is inserted into the a line and the C line, respectively. The charge storage means includes two capacitors connected in common between the a line and the C line and the b line, the b line being connected to a neutral point of the power source; The second control means is
A power supply device comprising two thyristors inserted in the A line and the C line, respectively, between the charge storage means and the load. 5 Utility Model Registration Scope of Claim 1 In the device according to claim 1, the line current is supplied from a three-phase AC power source consisting of the a, b and C lines, and the first control means is inserted into the a, b and C lines, respectively. the charge storage means includes three capacitors connected in common between the neutral point of the power supply and the a, b and c lines, and the second control means is connected to the charge storage means. A power supply device comprising three thyristors inserted into the a, b and c lines between the load and the load, and which starts operating by becoming conductive after a half cycle of 60 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9989682U JPS594027U (en) | 1982-07-01 | 1982-07-01 | Pre-charge type low voltage large current power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9989682U JPS594027U (en) | 1982-07-01 | 1982-07-01 | Pre-charge type low voltage large current power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS594027U true JPS594027U (en) | 1984-01-11 |
Family
ID=30236542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9989682U Pending JPS594027U (en) | 1982-07-01 | 1982-07-01 | Pre-charge type low voltage large current power supply |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS594027U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0369355A (en) * | 1989-08-10 | 1991-03-25 | Jiyanisu Kogyo Kk | Sheet-shaped material forming intermediate layer of ceramic decorative panel and manufacture thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5178757A (en) * | 1974-12-30 | 1976-07-08 | Japan Drive It | TORANSURESUKONDENSAHODENGATAYOSETSUSOCHI |
-
1982
- 1982-07-01 JP JP9989682U patent/JPS594027U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5178757A (en) * | 1974-12-30 | 1976-07-08 | Japan Drive It | TORANSURESUKONDENSAHODENGATAYOSETSUSOCHI |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0369355A (en) * | 1989-08-10 | 1991-03-25 | Jiyanisu Kogyo Kk | Sheet-shaped material forming intermediate layer of ceramic decorative panel and manufacture thereof |
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