JPS6419910A - Ground directional relay - Google Patents
Ground directional relayInfo
- Publication number
- JPS6419910A JPS6419910A JP17532687A JP17532687A JPS6419910A JP S6419910 A JPS6419910 A JP S6419910A JP 17532687 A JP17532687 A JP 17532687A JP 17532687 A JP17532687 A JP 17532687A JP S6419910 A JPS6419910 A JP S6419910A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- inputted
- zero
- output
- gate
- 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.)
- Granted
Links
- 238000007493 shaping process Methods 0.000 abstract 2
- 238000001514 detection method Methods 0.000 abstract 1
- 230000007257 malfunction Effects 0.000 abstract 1
Landscapes
- Emergency Protection Circuit Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62175326A JPH0636646B2 (ja) | 1987-07-14 | 1987-07-14 | 地絡方向継電装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62175326A JPH0636646B2 (ja) | 1987-07-14 | 1987-07-14 | 地絡方向継電装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6419910A true JPS6419910A (en) | 1989-01-24 |
| JPH0636646B2 JPH0636646B2 (ja) | 1994-05-11 |
Family
ID=15994121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62175326A Expired - Lifetime JPH0636646B2 (ja) | 1987-07-14 | 1987-07-14 | 地絡方向継電装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0636646B2 (ja) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60261324A (ja) * | 1984-06-08 | 1985-12-24 | 株式会社日立製作所 | 選択地絡保護装置 |
-
1987
- 1987-07-14 JP JP62175326A patent/JPH0636646B2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60261324A (ja) * | 1984-06-08 | 1985-12-24 | 株式会社日立製作所 | 選択地絡保護装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0636646B2 (ja) | 1994-05-11 |
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