JPS6226192U - - Google Patents
Info
- Publication number
- JPS6226192U JPS6226192U JP11650985U JP11650985U JPS6226192U JP S6226192 U JPS6226192 U JP S6226192U JP 11650985 U JP11650985 U JP 11650985U JP 11650985 U JP11650985 U JP 11650985U JP S6226192 U JPS6226192 U JP S6226192U
- Authority
- JP
- Japan
- Prior art keywords
- power
- circuit
- switching circuit
- braking resistor
- motor
- 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
- 230000008929 regeneration Effects 0.000 claims description 5
- 238000011069 regeneration method Methods 0.000 claims description 5
- 230000001172 regenerating effect Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Stopping Of Electric Motors (AREA)
Description
第1図は本考案の一実施例を示す系統図、第2
図は従来の回生電力制御装置の一例を示す系統図
、第3図A,B,Cは電力回生動作の一例を示す
タイムチヤートである。
1……三相交流電源、2……コンバータ、3…
…直流主回路、4……インバータ、5……交流電
動機、6……電圧検出器、7,11……電圧設定
器、8,12……動作点検出器、9……電力回生
用スイツチング回路、10……リアクトル、13
……発電制動用スイツチング回路、14……制動
抵抗、20……回生電力制御装置。
Fig. 1 is a system diagram showing an embodiment of the present invention;
The figure is a system diagram showing an example of a conventional regenerative power control device, and FIGS. 3A, B, and C are time charts showing an example of power regeneration operation. 1... Three-phase AC power supply, 2... Converter, 3...
... DC main circuit, 4 ... Inverter, 5 ... AC motor, 6 ... Voltage detector, 7, 11 ... Voltage setting device, 8, 12 ... Operating point detector, 9 ... Power regeneration switching circuit , 10...Reactor, 13
... Switching circuit for dynamic braking, 14 ... Braking resistor, 20 ... Regenerative power control device.
Claims (1)
し、さらにインバータを介して交流電動機を可変
速駆動する電力変換装置の上記直流電力を、上記
交流電動機の減速時に電力回生用スイツチング回
路を介して交流電源に回生する回生電力制御装置
において、上記回生電力の一部を消費する制動抵
抗と、上記制動抵抗を上記直流電力回路に接続す
る発電制動用スイツチング回路と、上記交流電動
機の減速時上記直流電力回路の電圧が所定値以下
のときは上記電力回生用スイツチング回路を動作
させて交流電源への電力回生を行わせると共に、
上記直流電力回路の電圧が所定値以上のときは上
記電力回生用スイツチング回路と発電制動用スイ
ツチング回路の両方を動作させて交流電源への電
力回生と制動抵抗での電力消費との両方を行なわ
せるスイツチング制御回路を備えたことを特徴と
する回生電力制御装置。 The DC power of the power conversion device that converts AC power into DC power via a converter and drives the AC motor at variable speed via an inverter is converted to AC power via a power regeneration switching circuit when the AC motor is decelerated. A regenerative power control device that regenerates a part of the regenerated power, a braking resistor that consumes a part of the regenerated power, a dynamic braking switching circuit that connects the braking resistor to the DC power circuit, and a switching circuit that connects the braking resistor to the DC power circuit when the AC motor is decelerated. When the voltage of
When the voltage of the DC power circuit is above a predetermined value, both the power regeneration switching circuit and the dynamic braking switching circuit are operated to perform both power regeneration to the AC power source and power consumption by the braking resistor. A regenerative power control device characterized by being equipped with a switching control circuit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11650985U JPS6226192U (en) | 1985-07-31 | 1985-07-31 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11650985U JPS6226192U (en) | 1985-07-31 | 1985-07-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6226192U true JPS6226192U (en) | 1987-02-17 |
Family
ID=31001167
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11650985U Pending JPS6226192U (en) | 1985-07-31 | 1985-07-31 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6226192U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012021391A1 (en) | 2011-11-08 | 2013-05-08 | Fanuc Corporation | Servomotor driving device that controls a servomotor connected to a rotating shaft |
JP2015196293A (en) * | 2014-03-31 | 2015-11-09 | 住友重機械工業株式会社 | injection molding machine |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5594589A (en) * | 1979-01-12 | 1980-07-18 | Toshiba Corp | Regenerative power control means |
JPS58107083A (en) * | 1981-12-18 | 1983-06-25 | Hitachi Ltd | Driving regenerative converting power supply device |
-
1985
- 1985-07-31 JP JP11650985U patent/JPS6226192U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5594589A (en) * | 1979-01-12 | 1980-07-18 | Toshiba Corp | Regenerative power control means |
JPS58107083A (en) * | 1981-12-18 | 1983-06-25 | Hitachi Ltd | Driving regenerative converting power supply device |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012021391A1 (en) | 2011-11-08 | 2013-05-08 | Fanuc Corporation | Servomotor driving device that controls a servomotor connected to a rotating shaft |
JP2013102611A (en) * | 2011-11-08 | 2013-05-23 | Fanuc Ltd | Servomotor drive device that drives servomotor connected to rotating shaft of moving part of industrial robot |
US8847539B2 (en) | 2011-11-08 | 2014-09-30 | Fanuc Corporation | Servomotor drive device that drives servomotor connected to rotating shaft |
DE102012021391B4 (en) | 2011-11-08 | 2021-10-07 | Fanuc Corporation | Servomotor driving device that controls a servomotor connected to a rotating shaft |
JP2015196293A (en) * | 2014-03-31 | 2015-11-09 | 住友重機械工業株式会社 | injection molding machine |
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