JPS612792U - Inverter starting device - Google Patents
Inverter starting deviceInfo
- Publication number
- JPS612792U JPS612792U JP8714584U JP8714584U JPS612792U JP S612792 U JPS612792 U JP S612792U JP 8714584 U JP8714584 U JP 8714584U JP 8714584 U JP8714584 U JP 8714584U JP S612792 U JPS612792 U JP S612792U
- Authority
- JP
- Japan
- Prior art keywords
- inverter
- switch
- voltage
- current transformer
- current
- 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
- Motor And Converter Starters (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図は本考案のインバータ始動装置の実施例の概略を
示すブロイク図、第２図はその詳細を示す回路図、第３
′図は従来装置を示し、インパー１タ操作盤と負荷とを
接続した回路図である。
図中、、−１はインバータ、１ａは順変榛部、１ｂは直
流リアクトル、１ｃは逆変換部、−２は開閉．器、３は
モーダ、４は変流器、５は変成器、６ば電流監視器、７
はインバータ制御回路、７１は制御指令信号発生器、７
２は電圧周波数変換器、７３，８９はカウンタ、７４，
７５，７６は正弦波メモリ、７７．７８，７９．９１は
ＤＡ変換器、・８３は演算要素、８４，８６．８７．８
８は比較器、８０は電圧電圧変換器、９０は３角波イモ
り、８５，９２，９３，９４，９６，９８， １００
は増幅器、９５，９７．９９はインバー、ｓｗは常開接
点を示す。FIG. 1 is a block diagram showing an outline of an embodiment of the inverter starting device of the present invention, FIG. 2 is a circuit diagram showing its details, and FIG.
Figure '' shows a conventional device, and is a circuit diagram in which the impurator operation panel and the load are connected. In the figure, -1 is an inverter, 1a is a forward converter, 1b is a DC reactor, 1c is an inverse converter, and -2 is an opening/closing unit. 3 is a moder, 4 is a current transformer, 5 is a transformer, 6 is a current monitor, 7
71 is an inverter control circuit, 71 is a control command signal generator, and 7 is an inverter control circuit;
2 is a voltage frequency converter, 73, 89 is a counter, 74,
75, 76 are sine wave memories, 77.78, 79.91 are DA converters, 83 is a calculation element, 84, 86.87.8
8 is a comparator, 80 is a voltage-to-voltage converter, 90 is a triangular wave converter, 85, 92, 93, 94, 96, 98, 100
is an amplifier, 95, 97.99 is invar, and sw is a normally open contact.
Claims (1)
にて接続されかつ負荷の近傍に開閉器が設けられたもの
において、 インバータめ出力側近傍に設けられた変流器と変成器と
、 前記変流器に接続され、該変流器の無電流萩態−を検知
して開閉器閉止指令信号とインバータ制御甲路を付勢す
る接点の接点閉止指令信号とを出力する電流監視器と、
、、前記変成器に接続され、電力
ケーブルにおｉるＩＲ電圧降下を補償する電圧を発生す
る準算要素と、 低周波数、低レベル電圧にて負荷を起動し、定格運転状
態に至るまでに周波数．と電圧とが高くなるようにイン
バータの出力パルスを制御するイン， バータ制御回路
とを備えるインバータ始動装置。[Claims for Utility Model Registration] In a device in which an inverter, a switch, and a load are connected by long power cables of mutually long lengths, and the switch is installed near the load, the switch is installed near the output side of the inverter. a current transformer, a current transformer, a contact closing command signal of a contact connected to the current transformer, which detects a no-current state of the current transformer, and energizes a switch closing command signal and an inverter control circuit A; a current monitor that outputs
, a subcomponent element connected to the transformer and generating a voltage to compensate for the IR voltage drop across the power cable; frequency. An inverter starting device comprising an inverter control circuit that controls the output pulses of the inverter so that the voltage and voltage become high.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8714584U JPS612792U (en) | 1984-06-12 | 1984-06-12 | Inverter starting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8714584U JPS612792U (en) | 1984-06-12 | 1984-06-12 | Inverter starting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS612792U true JPS612792U (en) | 1986-01-09 |
Family
ID=30639095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8714584U Pending JPS612792U (en) | 1984-06-12 | 1984-06-12 | Inverter starting device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS612792U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS638380U (en) * | 1986-06-30 | 1988-01-20 | ||
| JPH0175588U (en) * | 1987-11-07 | 1989-05-22 |
-
1984
- 1984-06-12 JP JP8714584U patent/JPS612792U/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS638380U (en) * | 1986-06-30 | 1988-01-20 | ||
| JPH0435505Y2 (en) * | 1986-06-30 | 1992-08-21 | ||
| JPH0175588U (en) * | 1987-11-07 | 1989-05-22 |
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