JPH0410536U - - Google Patents
Info
- Publication number
- JPH0410536U JPH0410536U JP5012590U JP5012590U JPH0410536U JP H0410536 U JPH0410536 U JP H0410536U JP 5012590 U JP5012590 U JP 5012590U JP 5012590 U JP5012590 U JP 5012590U JP H0410536 U JPH0410536 U JP H0410536U
- Authority
- JP
- Japan
- Prior art keywords
- ground fault
- alternating current
- outputs
- inverter device
- current input
- 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 3
- 230000003321 amplification Effects 0.000 claims 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
Landscapes
- Protection Of Static Devices (AREA)
Description
第１図はこの考案の実施例を示す回路図である
。
１……インバータ装置、２……主変換回路、３
……零相変流器、４……漏電保護回路、５……交
流電動機、２１……整流回路、２２……インバー
タ部、４１……増巾部、４２……設定部、４３…
…比較部、４４……ベースしゃ断部、Ｃｆ……平
滑コンデンサ。
FIG. 1 is a circuit diagram showing an embodiment of this invention. 1...Inverter device, 2...Main conversion circuit, 3
... Zero-phase current transformer, 4 ... Earth leakage protection circuit, 5 ... AC motor, 21 ... Rectifier circuit, 22 ... Inverter section, 41 ... Width expansion section, 42 ... Setting section, 43 ...
... Comparison section, 44 ... Base cutoff section, C f ... Smoothing capacitor.
Claims (1)
交流を出力するインバータ装置において、該装置
の交流入力端子と前記の整流を行う整流回路の交
流入力端子との間に設けた地絡電流検出手段と、
該検出手段の出力する検出信号を所定の信号レベ
ルに増巾する増巾手段と、地絡状態の判定基準値
しなす地絡電流基準値の設定手段と、該地終電流
基準値に比して前記増巾手段を経由した地絡電流
検出値が大となつた場合にその出力を発する比較
手段と、該比較手段の出力を受け前記インバータ
装置の動作停止信号を出力するインバータ動作停
止手段とを備えて成ることを特徴とする漏電保護
機能付インバータ装置。 In an inverter device that outputs the required alternating current by inversely converting the direct current obtained by rectifying the alternating current input, a ground fault current provided between the alternating current input terminal of the device and the alternating current input terminal of the rectifier circuit that performs the rectification. detection means;
amplification means for amplifying the detection signal outputted by the detection means to a predetermined signal level; means for setting a ground fault current reference value which is a reference value for determining a ground fault state; a comparison means that outputs an output when the ground fault current detected value passing through the amplification means becomes large; and an inverter operation stop means that receives the output of the comparison means and outputs an operation stop signal for the inverter device. An inverter device with an earth leakage protection function, comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5012590U JPH0410536U (en) | 1990-05-14 | 1990-05-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5012590U JPH0410536U (en) | 1990-05-14 | 1990-05-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0410536U true JPH0410536U (en) | 1992-01-29 |
Family
ID=31568406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5012590U Pending JPH0410536U (en) | 1990-05-14 | 1990-05-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0410536U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013524758A (en) * | 2010-04-07 | 2013-06-17 | エスエムエー ソーラー テクノロジー アーゲー | Method for operation control of inverter |
-
1990
- 1990-05-14 JP JP5012590U patent/JPH0410536U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013524758A (en) * | 2010-04-07 | 2013-06-17 | エスエムエー ソーラー テクノロジー アーゲー | Method for operation control of inverter |
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