JPH0572170B2 - - Google Patents
Info
- Publication number
- JPH0572170B2 JPH0572170B2 JP60018766A JP1876685A JPH0572170B2 JP H0572170 B2 JPH0572170 B2 JP H0572170B2 JP 60018766 A JP60018766 A JP 60018766A JP 1876685 A JP1876685 A JP 1876685A JP H0572170 B2 JPH0572170 B2 JP H0572170B2
- Authority
- JP
- Japan
- Prior art keywords
- zero
- sequence
- relay
- degrees
- processing
- 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.)
- Expired - Lifetime
Links
- 238000004364 calculation method Methods 0.000 claims description 69
- 238000000034 method Methods 0.000 claims description 31
- 230000008569 process Effects 0.000 claims description 23
- 230000001681 protective effect Effects 0.000 claims description 5
- 238000005070 sampling Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 238000007796 conventional method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Emergency Protection Circuit Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1876685A JPS61180525A (ja) | 1985-02-04 | 1985-02-04 | 保護リレー演算の実行方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1876685A JPS61180525A (ja) | 1985-02-04 | 1985-02-04 | 保護リレー演算の実行方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61180525A JPS61180525A (ja) | 1986-08-13 |
| JPH0572170B2 true JPH0572170B2 (fr) | 1993-10-08 |
Family
ID=11980761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1876685A Granted JPS61180525A (ja) | 1985-02-04 | 1985-02-04 | 保護リレー演算の実行方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61180525A (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63144714A (ja) * | 1986-12-09 | 1988-06-16 | エナジーサポート株式会社 | 地絡保護継電器 |
| JPS63144717A (ja) * | 1986-12-09 | 1988-06-16 | エナジーサポート株式会社 | 地絡保護継電器 |
| JP3074347B2 (ja) * | 1988-03-07 | 2000-08-07 | 株式会社日立製作所 | デジタル保護リレー装置 |
| JP2509889B2 (ja) * | 1988-08-30 | 1996-06-26 | 富士電機株式会社 | 保護継電装置 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS573516A (en) * | 1980-06-04 | 1982-01-09 | Hitachi Ltd | Method of processing digital relay |
-
1985
- 1985-02-04 JP JP1876685A patent/JPS61180525A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS573516A (en) * | 1980-06-04 | 1982-01-09 | Hitachi Ltd | Method of processing digital relay |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61180525A (ja) | 1986-08-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3984737A (en) | Protective relaying system | |
| CN104038074B (zh) | 用于纹波和缺相检测的方法和设备 | |
| EP0384435B1 (fr) | Système de traitement de signaux de puissance | |
| US4321681A (en) | Protective relay apparatus | |
| McLaren et al. | Fourier-series techniques applied to distance protection | |
| US6516279B1 (en) | Method and apparatus for calculating RMS value | |
| US4885656A (en) | Digital protective relay | |
| JPH0572170B2 (fr) | ||
| CA2104195C (fr) | Relais de distance pour lignes de transmission electrique | |
| EP0367563B1 (fr) | Détecteur d'une quantité d'électricité | |
| JP2923572B2 (ja) | 変化幅検出装置 | |
| JPH08331752A (ja) | 地絡事故検出方法 | |
| JPS6011722Y2 (ja) | デイジタル保護継電装置 | |
| JPH0345116A (ja) | 保護継電器 | |
| JPH06343224A (ja) | 高抵抗地絡事故検出装置 | |
| JPH0398418A (ja) | ディジタル保護継電器の監視装置 | |
| JPH0572164B2 (fr) | ||
| JPH02213770A (ja) | 三相電圧電流実効値および三相有効無効電力の演算方法 | |
| JP2692805B2 (ja) | 差動継電装置 | |
| JP2520713B2 (ja) | デジタル保護継電器 | |
| JPH05308713A (ja) | 保護継電器 | |
| RU2233526C1 (ru) | Реле сопротивления | |
| JP2540897B2 (ja) | デジタル形比率差動継電器 | |
| JPH08196035A (ja) | 方向検出装置 | |
| JPH01126128A (ja) | デジタル形保護継電装置 |