JPS62177244U - - Google Patents
Info
- Publication number
- JPS62177244U JPS62177244U JP6023386U JP6023386U JPS62177244U JP S62177244 U JPS62177244 U JP S62177244U JP 6023386 U JP6023386 U JP 6023386U JP 6023386 U JP6023386 U JP 6023386U JP S62177244 U JPS62177244 U JP S62177244U
- Authority
- JP
- Japan
- Prior art keywords
- detection circuit
- current
- amount detection
- detects
- transmission line
- 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 description 9
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000001629 suppression Effects 0.000 claims description 2
- 230000001012 protector Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
Landscapes
- Emergency Protection Circuit Devices (AREA)
Description
第1図は本考案の一実施例を示すパイロツトワ
イヤー保護装置の構成図、第2図は第1図の論理
回路説明図、第3図は送電線一回線事故時におけ
る電流分布説明図である。
17……動作量検出回路、18……抑制量検出
回路、20,21……入力変換回路、22……差
電流検出回路、24……電流レベル検出回路、2
5……動作判定回路、26,27……論理積回路
。
Fig. 1 is a block diagram of a pilot wire protection device showing an embodiment of the present invention, Fig. 2 is an explanatory diagram of the logic circuit of Fig. 1, and Fig. 3 is an explanatory diagram of current distribution in the event of a single-line transmission line fault. . 17... Operating amount detection circuit, 18... Suppression amount detection circuit, 20, 21... Input conversion circuit, 22... Differential current detection circuit, 24... Current level detection circuit, 2
5... Operation determination circuit, 26, 27... AND circuit.
Claims (1)
ヤー保護装置において、送電回線対向部との電流
方向および電流量を検出する動作量検出回路と、
この動作量検出回路に並列に接続された抑制量検
出回路と、自回線の電流レベルを検出する電流検
出回路と、他回線との電流比較を行なう比較検出
回路を備えたことを特徴とするパイロツトワイヤ
ー保護装置。 In a pilot wire protection device for a spot network power transmission line, an operation amount detection circuit that detects the direction and amount of current with respect to a portion opposite to the power transmission line;
A pilot characterized in that it is equipped with a suppression amount detection circuit connected in parallel to the operation amount detection circuit, a current detection circuit that detects the current level of its own line, and a comparison detection circuit that compares current with other lines. Wire protector.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6023386U JPS62177244U (en) | 1986-04-23 | 1986-04-23 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6023386U JPS62177244U (en) | 1986-04-23 | 1986-04-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS62177244U true JPS62177244U (en) | 1987-11-11 |
Family
ID=30892464
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6023386U Pending JPS62177244U (en) | 1986-04-23 | 1986-04-23 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62177244U (en) |
-
1986
- 1986-04-23 JP JP6023386U patent/JPS62177244U/ja active Pending
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