JPS60144791U - Regenerative current discharge device - Google Patents
Regenerative current discharge deviceInfo
- Publication number
- JPS60144791U JPS60144791U JP3288884U JP3288884U JPS60144791U JP S60144791 U JPS60144791 U JP S60144791U JP 3288884 U JP3288884 U JP 3288884U JP 3288884 U JP3288884 U JP 3288884U JP S60144791 U JPS60144791 U JP S60144791U
- Authority
- JP
- Japan
- Prior art keywords
- power source
- voltage
- discharge device
- phase
- power
- 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
- Protection Of Static Devices (AREA)
- Stopping Of Electric Motors (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
第１図はインバータ制御装置の主回路の回路構成図、第
２図は従来の回生電流放電装置の回路構成図、第３図は
本考案の一実施例を示す回生電流放電装置の回路構成図
である。
ＳＣ・・・回生電流放電装置、ＳＶ・・・電力変換装置
、Ｄ１１〜Ｄ１６？ ＤＡ？ Ｄｌｌ・・・ダイオード
、ＴＲ□〜ＴＲ６・・・トランジスタ、Ｄ□〜Ｄ６・・
・流用ダイオード、Ｃ１・・・平滑用コンデンサ、Ｒ１
−Ｒ５・・・抵抗、ｃｐ・・・電圧比較器、ＤＥ・・・
放電素子。Fig. 1 is a circuit diagram of the main circuit of an inverter control device, Fig. 2 is a circuit diagram of a conventional regenerative current discharge device, and Fig. 3 is a circuit diagram of a regenerative current discharge device showing an embodiment of the present invention. It is. SC...Regenerative current discharge device, SV...Power conversion device, D11 to D16? DA? Dll...Diode, TR□~TR6...Transistor, D□~D6...
・Diversion diode, C1...Smoothing capacitor, R1
-R5...resistance, cp...voltage comparator, DE...
discharge element.
Claims (1)
と、前記直流電源を平滑用コンデンサで平滑しトランジ
スタ回路によって可変周波数の３相交流電源に変換し３
相交流モータを駆動するトランジスタインバータ回路と
、前記トランジスタインバータ回路のトランジスタに夫
々逆極性に設けた還流用ダイオードと、前記直流電源に
接続した回生用電力変換装置及び回生電流放電装置とを
備えた可変周波数インバータ装置の回生電流放電装置に
おいて、前記３相交流電源を整流電源を整流する被比較
電圧用の整流器の出力電圧を平滑し−て得た一方の被比
較入力電圧と、他方前記インバータ装置の直流電源より
得た比較電圧とを入力電圧とする電圧比較器の出力信号
により制御される放電素子と、前記放電素子に接続され
た電力消費用の、抵抗を介し前記電圧比較器の出力信号
によって前゛記直流電源を電力放電させることを特徴と
する回生電流放電装置。A diode bridge converts a three-phase AC power source into a DC power source, and the DC power source is smoothed with a smoothing capacitor and converted into a variable frequency three-phase AC power source using a transistor circuit.
A variable power converter comprising: a transistor inverter circuit for driving a phase alternating current motor; freewheeling diodes provided in opposite polarities to the transistors of the transistor inverter circuit; and a regenerative power converter and a regenerative current discharge device connected to the direct current power source. In a regenerative current discharge device of a frequency inverter device, one compared input voltage obtained by smoothing the output voltage of a comparative voltage rectifier that rectifies the three-phase AC power source, and the other voltage of the inverter device. A discharge element controlled by the output signal of a voltage comparator whose input voltage is a comparison voltage obtained from a DC power source, and a power consumption resistor connected to the discharge element by the output signal of the voltage comparator. A regenerative current discharge device characterized by discharging power from the DC power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3288884U JPS60144791U (en) | 1984-03-07 | 1984-03-07 | Regenerative current discharge device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3288884U JPS60144791U (en) | 1984-03-07 | 1984-03-07 | Regenerative current discharge device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60144791U true JPS60144791U (en) | 1985-09-26 |
Family
ID=30534821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3288884U Pending JPS60144791U (en) | 1984-03-07 | 1984-03-07 | Regenerative current discharge device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60144791U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05184177A (en) * | 1991-01-29 | 1993-07-23 | Hitachi Kiden Kogyo Ltd | Regenerative braking and controlling circuit of crane |
-
1984
- 1984-03-07 JP JP3288884U patent/JPS60144791U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05184177A (en) * | 1991-01-29 | 1993-07-23 | Hitachi Kiden Kogyo Ltd | Regenerative braking and controlling circuit of crane |
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