JPH01150492U - - Google Patents
Info
- Publication number
- JPH01150492U JPH01150492U JP4526288U JP4526288U JPH01150492U JP H01150492 U JPH01150492 U JP H01150492U JP 4526288 U JP4526288 U JP 4526288U JP 4526288 U JP4526288 U JP 4526288U JP H01150492 U JPH01150492 U JP H01150492U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- synchronous motor
- time
- capacitor
- converts
- 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
- 230000001360 synchronised effect Effects 0.000 claims 4
- 238000004804 winding Methods 0.000 claims 2
- 238000007599 discharging 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図、第２図は本考案
による制動特性図、第３図は従来の制動特性図で
ある。
２…整流回路、３…コンデンサ、４…インバー
タ、５…電動機、６…制動抵抗器、９…制御回路
、１０…抵抗器、ＭＣ，ＤＢ…開閉器、ＴＲ…オ
フデイレーイタイマー、ＳＴ，ＲＵＮ…制御リレ
ー。
FIG. 1 shows an embodiment of the present invention, FIG. 2 shows a braking characteristic diagram according to the present invention, and FIG. 3 shows a conventional braking characteristic diagram. 2... Rectifier circuit, 3... Capacitor, 4... Inverter, 5... Motor, 6... Braking resistor, 9... Control circuit, 10... Resistor, MC, DB... Switch, TR... Off-delay timer, ST, RUN ...control relay.
Claims (1)
流電圧を平滑するコンデンサと、この直流電圧を
所望の周波数の交流電圧に変換し同期電動機を駆
動する電圧形インバータにおいて、停止指令の発
生時点から一定の時間のみ同期電動機の電機子巻
線に接続される制動抵抗器と、上記一定時間後に
前記コンデンサの充電々圧を抵抗器を介して前記
同期電動機の所定の電機子巻線に印加する放電回
路を設け、同期電動機の停止時間を短縮すること
を特徴とする電圧形インバータ。 A rectifier circuit that converts AC voltage to DC voltage, a capacitor that smoothes DC voltage, and a voltage source inverter that converts this DC voltage to AC voltage of the desired frequency and drives the synchronous motor, all of which operate at a constant level from the time a stop command is issued. a braking resistor connected to the armature winding of the synchronous motor only for a period of time; and a discharging circuit that applies the charging voltage of the capacitor to a predetermined armature winding of the synchronous motor through the resistor after the certain period of time. A voltage source inverter characterized by reducing the stop time of a synchronous motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4526288U JPH01150492U (en) | 1988-04-05 | 1988-04-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4526288U JPH01150492U (en) | 1988-04-05 | 1988-04-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01150492U true JPH01150492U (en) | 1989-10-18 |
Family
ID=31271576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4526288U Pending JPH01150492U (en) | 1988-04-05 | 1988-04-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01150492U (en) |
-
1988
- 1988-04-05 JP JP4526288U patent/JPH01150492U/ja active Pending