JPS5913047U - Current reversal detection device - Google Patents
Current reversal detection deviceInfo
- Publication number
- JPS5913047U JPS5913047U JP10790882U JP10790882U JPS5913047U JP S5913047 U JPS5913047 U JP S5913047U JP 10790882 U JP10790882 U JP 10790882U JP 10790882 U JP10790882 U JP 10790882U JP S5913047 U JPS5913047 U JP S5913047U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- detection device
- detector
- reversal detection
- detects
- 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
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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は潮流反転時の直流電圧、直流電流の関係を示す
概念図、第２図は第１図の特性を示す波形図、第３図は
従来の潮流反転中の検出装置を示すブロック図、第４図
は第３図の動作を示すタイムチャート図、第５図は本考
案の一実施例による潮流反転巾検出装置を示すブロック
図、第６図は ゛第５図の動作を示すタイムチ
ャート図である。
７．８・・・フリップフロップ回路、９・・・正極性レ
ベル検出器、１０・・・電圧変化率検出器、１１・・・
レベル検出器、１２．１４・・・インヒビット回路、１
３・・・負極性レベル検出器。なお、図中同一符号は同
−又は相当部分を示す。Figure 1 is a conceptual diagram showing the relationship between DC voltage and DC current during power flow reversal, Figure 2 is a waveform diagram showing the characteristics of Figure 1, and Figure 3 is a block diagram showing a conventional detection device during power flow reversal. , Fig. 4 is a time chart showing the operation of Fig. 3, Fig. 5 is a block diagram showing a power flow reversal width detection device according to an embodiment of the present invention, and Fig. 6 is a time chart showing the operation of Fig. 5. It is a chart diagram. 7.8...Flip-flop circuit, 9...Positive polarity level detector, 10...Voltage change rate detector, 11...
Level detector, 12.14...inhibit circuit, 1
3...Negative polarity level detector. Note that the same reference numerals in the figures indicate the same or equivalent parts.
Claims (1)
圧値が所定値以上の時に作動する正電圧検出器と、前記
送電電圧の極性が負極性で、かつ電圧値が所定値以上の
時に作動する負電圧検出器と、前記直流電圧の変化率を
検出する電圧変化率検出器とを備え、前記直流電圧の極
性が反転し直流電圧の変化率が所定値以下になるまでの
期間を潮流反転中として検出する事を特徴とする潮流反
転検出装置。A positive voltage detector that operates when the polarity of the transmission voltage in a DC power transmission system is positive voltage and the voltage value is above a predetermined value, and a positive voltage detector that operates when the polarity of the transmission voltage is negative polarity and the voltage value is above the predetermined value. a negative voltage detector that detects the rate of change of the DC voltage, and a voltage change rate detector that detects the rate of change of the DC voltage; A power flow reversal detection device that detects when the current is inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10790882U JPS5913047U (en) | 1982-07-14 | 1982-07-14 | Current reversal detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10790882U JPS5913047U (en) | 1982-07-14 | 1982-07-14 | Current reversal detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5913047U true JPS5913047U (en) | 1984-01-26 |
Family
ID=30251955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10790882U Pending JPS5913047U (en) | 1982-07-14 | 1982-07-14 | Current reversal detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5913047U (en) |
-
1982
- 1982-07-14 JP JP10790882U patent/JPS5913047U/en active Pending
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