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
Application number
JP6023386U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP6023386U priority Critical patent/JPS62177244U/ja
Publication of JPS62177244U publication Critical patent/JPS62177244U/ja
Pending legal-status Critical Current

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  • Emergency Protection Circuit Devices (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] スポツトネツトワーク送電線のパイロツトワイ
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.
JP6023386U 1986-04-23 1986-04-23 Pending JPS62177244U (en)

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)

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