JPS6024138U - Abnormality detection device in harmonic suppression equipment - Google Patents
Abnormality detection device in harmonic suppression equipmentInfo
- Publication number
- JPS6024138U JPS6024138U JP11206383U JP11206383U JPS6024138U JP S6024138 U JPS6024138 U JP S6024138U JP 11206383 U JP11206383 U JP 11206383U JP 11206383 U JP11206383 U JP 11206383U JP S6024138 U JPS6024138 U JP S6024138U
- Authority
- JP
- Japan
- Prior art keywords
- harmonic suppression
- current
- output
- abnormality detection
- detection 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
- Protection Of Static Devices (AREA)
- Supply And Distribution Of Alternating Current (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図は従来使用の高調波抑制装置の構成を示す回路図
、第２図は本考案第１実施例の構成を示す回路図、第３
図、第４図および第５図は負荷側高調波電流と高調波抑
制装置の出力電流との関係を示す図、第６図は本考案第
２実施例の構成を示す回路図である。
１・・・電源、２・・・母線、３・・・負荷、４・・・
高調波抑制装置、５・・・高調波抑制装置の出力電流を
検出する変流器、６・・・負荷電流検出用変流器、７，
９゜１７−１．・・・１７−ｎｔ Ｔ−９−１９・・
・１９−ｎ・・・バンドパス・フィルタ、８．１８−１
．・・・１８−ｎ・・・つき合せ回路、１０．１９−１
．・・・１９−ｎ・・・コンパレータ、２０・・・オア
回路。FIG. 1 is a circuit diagram showing the configuration of a conventionally used harmonic suppression device, FIG. 2 is a circuit diagram showing the configuration of the first embodiment of the present invention, and FIG.
4 and 5 are diagrams showing the relationship between the load-side harmonic current and the output current of the harmonic suppressing device, and FIG. 6 is a circuit diagram showing the configuration of a second embodiment of the present invention. 1...Power supply, 2...Bus bar, 3...Load, 4...
Harmonic suppression device, 5... Current transformer for detecting the output current of the harmonic suppression device, 6... Current transformer for detecting load current, 7.
9°17-1. ...17-nt T-9-19...
・19-n... Bandpass filter, 8.18-1
．． ...18-n...Matching circuit, 10.19-1
．． ...19-n...Comparator, 20...OR circuit.
Claims (1)
続して、前記負荷が発生する高調波電流を補償するもの
において、前記負荷電流検出用変流器の出力と、前記高
調波抑制装置の出力電流を検出する変流器の出力とを比
較し、比較された出力信号が所定値より大きいときに異
常信号を発生するようにしたことを特徴とする高調波抑
制装置における異常検出装置。A harmonic suppression device is connected in parallel to a load connected to an AC power source to compensate for harmonic current generated by the load, wherein the output of the load current detection current transformer and the harmonic suppression device are An abnormality detection device in a harmonic suppression device, characterized in that the output current of the output current is compared with the output of a current transformer for detecting the output current, and an abnormality signal is generated when the compared output signal is larger than a predetermined value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11206383U JPS6024138U (en) | 1983-07-19 | 1983-07-19 | Abnormality detection device in harmonic suppression equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11206383U JPS6024138U (en) | 1983-07-19 | 1983-07-19 | Abnormality detection device in harmonic suppression equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6024138U true JPS6024138U (en) | 1985-02-19 |
Family
ID=30259927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11206383U Pending JPS6024138U (en) | 1983-07-19 | 1983-07-19 | Abnormality detection device in harmonic suppression equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6024138U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54147448A (en) * | 1978-05-11 | 1979-11-17 | Toshiba Corp | Protective device for higher harmonic filter |
-
1983
- 1983-07-19 JP JP11206383U patent/JPS6024138U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54147448A (en) * | 1978-05-11 | 1979-11-17 | Toshiba Corp | Protective device for higher harmonic filter |
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