JPH01134929U - - Google Patents
Info
- Publication number
- JPH01134929U JPH01134929U JP3152688U JP3152688U JPH01134929U JP H01134929 U JPH01134929 U JP H01134929U JP 3152688 U JP3152688 U JP 3152688U JP 3152688 U JP3152688 U JP 3152688U JP H01134929 U JPH01134929 U JP H01134929U
- Authority
- JP
- Japan
- Prior art keywords
- relay
- trip relay
- energizing
- trip
- contacts
- 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
- 238000007689 inspection Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000005856 abnormality Effects 0.000 claims description 2
- 230000004913 activation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Description
第１図はこの考案のデイジタル保護継電器にお
けるトリツプリレーの点検装置の構成を機能ブロ
ツクで表した概略図である。第２図は上記トリツ
プリレーの点検動作手順を示すフローチヤートで
ある。第３図は同タイムチヤートであり、ａは切
離し部の動作状態信号、ｂは、通電制御部の動作
状態信号、ｃは点検部の動作状態信号を表す。第
４図は従来のデイジタル保護継電器におけるトリ
ツプリレーの点検装置を示す概略回路図である。
第５図は電力系統異常の検出から上記トリツプリ
レーが動作するまでに要する時間Δｔを説明する
図であり、Ａは保護リレー要素の検出信号、Ｂは
トリツプリレーの動作信号を表す。
３…トリツプリレー、５…トリツプ接点、１１
…切離し部、１２…通電制御部、１３…点検部。
FIG. 1 is a schematic diagram showing the configuration of a trip relay inspection device in a digital protective relay of this invention using functional blocks. FIG. 2 is a flowchart showing the procedure for inspecting the trip relay. FIG. 3 is a time chart of the same, in which a indicates an operating state signal of the disconnection section, b indicates an operating state signal of the energization control section, and c indicates an operating state signal of the inspection section. FIG. 4 is a schematic circuit diagram showing an inspection device for a trip relay in a conventional digital protective relay.
FIG. 5 is a diagram illustrating the time Δt required from the detection of an abnormality in the power system until the trip relay operates, where A represents the detection signal of the protection relay element and B represents the operation signal of the trip relay. 3...Trip relay, 5...Trip contact, 11
...Separation section, 12...Electrification control section, 13...Inspection section.
Claims (1)
る装置であつて、電力系統異常の検出からトリツ
プリレーが動作するまでに要する時間より短い時
間にわたりトリツプリレーの接点を遮断器から電
気的に切り離す切離し手段と、トリツプリレーの
接点が切り離されている間にトリツプリレーへの
通電および通電の解除を行う通電制御手段と、上
記トリツプリレーへの通電および通電解除の動作
に基づいてトリツプリレーの接点の動作を点検す
る点検手段とを有することを特徴とするデイジタ
ル保護継電器におけるヘリツプリレーの点検装置
。 A device for checking the operation of a trip relay for interrupting a circuit breaker, which includes a disconnecting means for electrically disconnecting the contacts of the trip relay from the circuit breaker for a time shorter than the time required from the detection of a power system abnormality to the activation of the trip relay; energization control means for energizing and de-energizing the trip relay while the contacts of the trip relay are disconnected; and inspection means for inspecting the operation of the contacts of the trip relay based on the operation of energizing and de-energizing the trip relay. An inspection device for a helix relay in a digital protective relay, characterized by the following.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3152688U JPH01134929U (en) | 1988-03-09 | 1988-03-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3152688U JPH01134929U (en) | 1988-03-09 | 1988-03-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01134929U true JPH01134929U (en) | 1989-09-14 |
Family
ID=31257439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3152688U Pending JPH01134929U (en) | 1988-03-09 | 1988-03-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01134929U (en) |
-
1988
- 1988-03-09 JP JP3152688U patent/JPH01134929U/ja active Pending
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