JPH0330732U - - Google Patents
Info
- Publication number
- JPH0330732U JPH0330732U JP9069889U JP9069889U JPH0330732U JP H0330732 U JPH0330732 U JP H0330732U JP 9069889 U JP9069889 U JP 9069889U JP 9069889 U JP9069889 U JP 9069889U JP H0330732 U JPH0330732 U JP H0330732U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- circuit
- capacitor group
- difference
- stage capacitor
- 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
- 239000003990 capacitor Substances 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
Landscapes
- Protection Of Static Devices (AREA)
Description
第１図はこの考案の実施例の電圧差動保護回路
の構成図を示している。第２図は同保護回路の動
作を説明するための図、第３図は本実施例が適用
される送配電系統の一部を示す図である。また第
４図は従来の電圧差動保護回路が適用される送配
電系統の一部を示す図であり、第５図は従来の電
圧差動保護回路の構成図を示している。
Ｃ１……前断コンデンサ群、Ｃ２……後段コン
デンサ群。
FIG. 1 shows a configuration diagram of a voltage differential protection circuit according to an embodiment of this invention. FIG. 2 is a diagram for explaining the operation of the protection circuit, and FIG. 3 is a diagram showing a part of the power transmission and distribution system to which this embodiment is applied. Further, FIG. 4 is a diagram showing a part of a power transmission and distribution system to which a conventional voltage differential protection circuit is applied, and FIG. 5 is a diagram showing a configuration of the conventional voltage differential protection circuit. C1...Front stage capacitor group, C2...Late stage capacitor group.
Claims (1)
ンサ群電圧との差電圧を検出する回路と、その差
電圧の大きさを２段階で判定する回路と、その判
定結果に応じて同一系統の調相設備が接続される
母線のしや断器または同一調相設備内のスイツチ
のいずれかにトリツプ信号を出力する回路とを備
えてなる電圧差動保護回路。 A circuit that detects the voltage difference between the front-stage capacitor group voltage and the rear-stage capacitor group voltage of the phase adjustment equipment, a circuit that determines the magnitude of the difference voltage in two stages, and a circuit that detects the voltage difference between the front stage capacitor group voltage and the rear stage capacitor group voltage, and a circuit that determines the magnitude of the difference voltage in two stages, and a circuit that detects the voltage difference between the front stage capacitor group voltage and the rear stage capacitor group voltage of the phase adjustment equipment, and a circuit that determines the magnitude of the difference voltage in two stages. A voltage differential protection circuit comprising a circuit that outputs a trip signal to either the busbar line to which the bus is connected, the disconnector, or a switch in the same phase adjustment equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9069889U JPH0330732U (en) | 1989-07-31 | 1989-07-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9069889U JPH0330732U (en) | 1989-07-31 | 1989-07-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0330732U true JPH0330732U (en) | 1991-03-26 |
Family
ID=31640213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9069889U Pending JPH0330732U (en) | 1989-07-31 | 1989-07-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0330732U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010125989A (en) * | 2008-11-27 | 2010-06-10 | Honda Motor Co Ltd | Jacket with airbag |
-
1989
- 1989-07-31 JP JP9069889U patent/JPH0330732U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010125989A (en) * | 2008-11-27 | 2010-06-10 | Honda Motor Co Ltd | Jacket with airbag |
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