JPS62161591U - - Google Patents
Info
- Publication number
- JPS62161591U JPS62161591U JP4814386U JP4814386U JPS62161591U JP S62161591 U JPS62161591 U JP S62161591U JP 4814386 U JP4814386 U JP 4814386U JP 4814386 U JP4814386 U JP 4814386U JP S62161591 U JPS62161591 U JP S62161591U
- Authority
- JP
- Japan
- Prior art keywords
- inverter
- frequency
- operation control
- reference voltage
- 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
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
Landscapes
- Control Of Ac Motors In General (AREA)
Description
第１図は本考案によるインバータの非常運転制
御回路の実施例を示すブロツク回路図、第２図は
インバータの一般的非常運転制御を説明するため
の概略構成図である。
（符号の説明）、１…整流器回路、２…平滑用
コンデンサ、３…トランジスタ回路、４…モータ
、５…負荷、６…停電検出回路、７…周波数設定
器、８…ランプ関数発生回路、９…常閉接点、１
０…発振器、１１…ＰＷＭ回路、１２…ベース信
号印加回路、１３…周波数制御回路。
FIG. 1 is a block circuit diagram showing an embodiment of an emergency operation control circuit for an inverter according to the present invention, and FIG. 2 is a schematic configuration diagram for explaining general emergency operation control for an inverter. (Explanation of symbols), 1... Rectifier circuit, 2... Smoothing capacitor, 3... Transistor circuit, 4... Motor, 5... Load, 6... Power failure detection circuit, 7... Frequency setting device, 8... Ramp function generation circuit, 9 ...Normally closed contact, 1
0... Oscillator, 11... PWM circuit, 12... Base signal application circuit, 13... Frequency control circuit.
Claims (1)
き、これを検出し、インバータの周波数を降下さ
せてインバータの運転を継続させるインバータ運
転制御装置において、インバータの直流電圧を検
出してインバータの周波数を制御するための周波
数制御回路の直流電圧検出基準電圧を正常運転時
の基準電圧よりも低下させるよう構成したことを
特徴とするインバータ運転制御装置。 (2) 実用新案登録請求の範囲第１項の記載にお
いて、入力電源低下時に非常停止する場合におい
て、あわせて発電制動回路の基準電圧をも低下さ
せるように構成したことを特徴とするインバータ
運転制御装置。[Scope of Claim for Utility Model Registration] (1) In an inverter operation control device that detects when the input power supply voltage to the inverter drops and lowers the frequency of the inverter to continue operating the inverter, An inverter operation control device characterized in that the DC voltage detection reference voltage of a frequency control circuit for detecting and controlling the frequency of an inverter is lowered than the reference voltage during normal operation. (2) The inverter operation control as set forth in claim 1 of the utility model registration claim, characterized in that when an emergency stop occurs when the input power drops, the reference voltage of the dynamic braking circuit is also reduced. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4814386U JPS62161591U (en) | 1986-04-02 | 1986-04-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4814386U JPS62161591U (en) | 1986-04-02 | 1986-04-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62161591U true JPS62161591U (en) | 1987-10-14 |
Family
ID=30869403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4814386U Pending JPS62161591U (en) | 1986-04-02 | 1986-04-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62161591U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5597174A (en) * | 1979-01-18 | 1980-07-24 | Matsushita Electric Works Ltd | Step motor |
| JPS59129584A (en) * | 1983-01-13 | 1984-07-25 | Toshiba Corp | Controlling method for inverter |
| JPS59153474A (en) * | 1983-02-18 | 1984-09-01 | Hitachi Ltd | Inverter device |
-
1986
- 1986-04-02 JP JP4814386U patent/JPS62161591U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5597174A (en) * | 1979-01-18 | 1980-07-24 | Matsushita Electric Works Ltd | Step motor |
| JPS59129584A (en) * | 1983-01-13 | 1984-07-25 | Toshiba Corp | Controlling method for inverter |
| JPS59153474A (en) * | 1983-02-18 | 1984-09-01 | Hitachi Ltd | Inverter device |
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