JPS62182092U - - Google Patents
Info
- Publication number
- JPS62182092U JPS62182092U JP6804686U JP6804686U JPS62182092U JP S62182092 U JPS62182092 U JP S62182092U JP 6804686 U JP6804686 U JP 6804686U JP 6804686 U JP6804686 U JP 6804686U JP S62182092 U JPS62182092 U JP S62182092U
- Authority
- JP
- Japan
- Prior art keywords
- braking
- switching element
- emergency
- resistor
- control circuit
- 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
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 238000009499 grossing Methods 0.000 claims description 3
- 230000008929 regeneration Effects 0.000 claims 1
- 238000011069 regeneration method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of Ac Motors In General (AREA)
- Stopping Of Electric Motors (AREA)
Description
第１図はこの考案の一実施例による電動機制御
用インバータ回路を示す回路図、第２図は従来の
電動機制御用インバータ回路を示す回路図である
。
１は交流電源、２は整流器、３は平滑用コンデ
ンサ、４はインバータ、５は負荷電動機、６は制
動抵抗、７は制動抵抗保護用ヒユーズ、８は制動
用スイツチング素子、９は制動制御回路、１０は
非常時用スイツチング素子、１１は非常時用抵抗
、Ａは直列接続体、Ｂは導通検出手段、Ｃは非常
時用導通手段である。なお、図中、同一符号は同
一、又は相当部分を示す。
FIG. 1 is a circuit diagram showing an inverter circuit for controlling a motor according to an embodiment of the invention, and FIG. 2 is a circuit diagram showing a conventional inverter circuit for controlling a motor. 1 is an AC power supply, 2 is a rectifier, 3 is a smoothing capacitor, 4 is an inverter, 5 is a load motor, 6 is a braking resistor, 7 is a fuse for protecting the braking resistor, 8 is a braking switching element, 9 is a braking control circuit, 10 is an emergency switching element, 11 is an emergency resistor, A is a series connection, B is continuity detection means, and C is emergency continuity means. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
に接続されたインバータ間のリンク部に設けられ
た平滑用コンデンサと、上記平滑用コンデンサに
並列に接続され、且つ制動抵抗、該制動抵抗保護
用ヒユーズ及び制動用スイツチング素子とから構
成される直列接続体と、上記平滑用コンデンサの
回生時の電圧上昇を検出し、該検出値が所定値以
上になつたとき、上記制動用スイツチング素子に
導通指令を出力する制動制御回路とを備えた電動
機制御用インバータ回路において、上記制動抵抗
と並列に接続され、上記制動用スイツチング素子
の導通時に、上記制動抵抗に関する導通検出信号
を上記制動制御回路に出力する導通検出手段と、
上記直列接続体の制動抵抗及び制動用スイツチン
グ素子と並列に接続され、上記導通検出信号に基
づく上記制動制御回路からの導通指令により導通
する非常時用スイツチング素子、及び該非常時用
スイツチング素子に直列接続された非常時用抵抗
とにより構成される非常時用導通手段とを設けた
ことを特徴とする電動機制御用インバータ回路。 a smoothing capacitor provided in a link between a rectifier connected to an AC power supply and an inverter connected to a load motor; a braking resistor; a fuse for protecting the braking resistor; A series connection body consisting of a braking switching element and a voltage rise during regeneration of the smoothing capacitor is detected, and when the detected value exceeds a predetermined value, a conduction command is output to the braking switching element. and a braking control circuit, wherein the inverter circuit is connected in parallel with the braking resistor and outputs a continuity detection signal related to the braking resistor to the braking control circuit when the braking switching element is conductive. means and
an emergency switching element that is connected in parallel with the braking resistor and the braking switching element of the series connection body and is rendered conductive by a continuity command from the braking control circuit based on the continuity detection signal; and an emergency switching element that is connected in series with the emergency switching element. An inverter circuit for controlling a motor, comprising an emergency conduction means constituted by a connected emergency resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6804686U JPS62182092U (en) | 1986-05-06 | 1986-05-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6804686U JPS62182092U (en) | 1986-05-06 | 1986-05-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62182092U true JPS62182092U (en) | 1987-11-18 |
Family
ID=30907506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6804686U Pending JPS62182092U (en) | 1986-05-06 | 1986-05-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62182092U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101729018A (en) * | 2008-10-24 | 2010-06-09 | Juki株式会社 | Electric motor driver |
-
1986
- 1986-05-06 JP JP6804686U patent/JPS62182092U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101729018A (en) * | 2008-10-24 | 2010-06-09 | Juki株式会社 | Electric motor driver |
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