JPS5837788U - Harmonic suppression control device - Google Patents
Harmonic suppression control deviceInfo
- Publication number
- JPS5837788U JPS5837788U JP13295481U JP13295481U JPS5837788U JP S5837788 U JPS5837788 U JP S5837788U JP 13295481 U JP13295481 U JP 13295481U JP 13295481 U JP13295481 U JP 13295481U JP S5837788 U JPS5837788 U JP S5837788U
- Authority
- JP
- Japan
- Prior art keywords
- current
- high frequency
- pwm inverter
- harmonic suppression
- control device
- 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
- Power Conversion In General (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図は高調波抑制装置を含む回路のブロック図、第２
図は第１図に示されるＰＷＭインバータの内部構成を示
す回路図、第３図は本考案に係る高調波抑制装置の一実
施例のブロック図である。
１０・・・・・・電源、１２・・・・・・負荷、１４・
・・・・・高調波抑制装置、１４Ａ・・・・・・定電流
源、１４Ｂ・・・・・・ＰＷＭインバータ、１４ｕ〜１
４ｚ・・・・・・スイッチング素子、１４′ｕ〜１４′
ｚ・・・・・・スィッチ素子１４ｕ〜１４２信号検出端
、１８ｕ〜１８２・・・・・・フィルタ、２０・・・・
・・最大値選択回路、２２・・・・・・判弾回路、２６
・・・・・・リミッタ付アンプ、２８・・・・・・出力
回路。Figure 1 is a block diagram of the circuit including the harmonic suppression device, Figure 2
This figure is a circuit diagram showing the internal structure of the PWM inverter shown in FIG. 1, and FIG. 3 is a block diagram of an embodiment of the harmonic suppression device according to the present invention. 10...Power supply, 12...Load, 14.
...Harmonic suppressor, 14A...Constant current source, 14B...PWM inverter, 14u~1
4z...Switching element, 14'u to 14'
z...Switch element 14u to 142 signal detection end, 18u to 182...Filter, 20...
...Maximum value selection circuit, 22...Ban bullet circuit, 26
...Amplifier with limiter, 28...Output circuit.
Claims (2)
をＰＷＭインバータの制御によって作り出し、負荷電流
に重ね合わせることにより電源電流に含まれる高周波を
抑制する装置において、前記ＰＷＭインバータを構成す
る各スイッチング素子の定格値を超えないようにする手
段を設けたことを特徴とする高周波抑制装置。(1) In a device that suppresses the high frequency waves contained in the power supply current by creating a harmonic N current that compensates for the high frequency current contained in the load by controlling a PWM inverter and superimposing it on the load current, each of the harmonics forming the PWM inverter A high frequency suppression device characterized by providing means for preventing a switching element from exceeding its rated value.
フィルターを通して直流にしその直流レベルが規定値を
超えた時には前記ＰＷＭインバータの電源電流を可変に
して定格値以内にするように構成してなることを特徴と
する実用新案登録請求の範囲第１項記載の高調波抑制装
置。(2) The means is configured to convert the ON signal of the switching element into a DC current through a filter, and when the DC level exceeds a specified value, the power supply current of the PWM inverter is made variable so as to be within the rated value. A harmonic suppression device according to claim 1, which is characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13295481U JPS5837788U (en) | 1981-09-07 | 1981-09-07 | Harmonic suppression control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13295481U JPS5837788U (en) | 1981-09-07 | 1981-09-07 | Harmonic suppression control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5837788U true JPS5837788U (en) | 1983-03-11 |
Family
ID=29926447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13295481U Pending JPS5837788U (en) | 1981-09-07 | 1981-09-07 | Harmonic suppression control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5837788U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58188892U (en) * | 1982-06-09 | 1983-12-15 | 株式会社ダイフク | Transport container |
| JPS62277064A (en) * | 1986-05-26 | 1987-12-01 | Mitsubishi Electric Corp | Active filter device |
-
1981
- 1981-09-07 JP JP13295481U patent/JPS5837788U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58188892U (en) * | 1982-06-09 | 1983-12-15 | 株式会社ダイフク | Transport container |
| JPS62277064A (en) * | 1986-05-26 | 1987-12-01 | Mitsubishi Electric Corp | Active filter device |
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