JPH0186439U - - Google Patents
Info
- Publication number
- JPH0186439U JPH0186439U JP18159487U JP18159487U JPH0186439U JP H0186439 U JPH0186439 U JP H0186439U JP 18159487 U JP18159487 U JP 18159487U JP 18159487 U JP18159487 U JP 18159487U JP H0186439 U JPH0186439 U JP H0186439U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- detection device
- power
- power flow
- flow detection
- 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
- 238000001514 detection method Methods 0.000 claims description 8
- 230000005284 excitation Effects 0.000 claims description 2
- 238000010248 power generation Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Supply And Distribution Of Alternating Current (AREA)
Description
第１図はこの考案の一実施例による停電検出装
置が設けられた電力系統図、第２図は従来の停電
検出装置が設けられた電力系統図である。
図において、５……停電検出装置、８……励磁
制限抵抗器、１１……電力潮流検出装置、１２…
…しや断指令装置、１３……短絡開閉器閉路指令
装置、１４……時限装置、１５……ＡＮＤ論理装
置。なお、図中、同一符号は同一、または相当部
分を示す。
FIG. 1 is a power system diagram in which a power outage detection device according to an embodiment of the present invention is installed, and FIG. 2 is a power system diagram in which a conventional power outage detection device is installed. In the figure, 5...Power failure detection device, 8...Excitation limiting resistor, 11...Power flow detection device, 12...
...Shield disconnection command device, 13 ... Short circuit switch closing command device, 14 ... Time limit device, 15 ... AND logic device. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
力潮流を検出する電力潮流検出装置と、この電力
潮流検出装置の検出値が零の場合に発電機の励磁
回路の抵抗を短絡する開閉器と、この短絡開閉器
の閉路指令から一定時間後に出力信号を出す時限
装置と、この時限装置の信号と上記電力潮流検出
装置の零信号とをＡＮＤ条件として信号を出すＡ
ＮＤ論理装置と、このＡＮＤ論理装置からの信号
により、上記外部電力系統と自家発電設備とを連
絡する連絡しや断器にしや断指令を与えるしや断
指令装置を備えたことを特徴とする停電検出装置
。 a power flow detection device that detects a power flow in a connecting portion between an external power system and a private power generation facility; a switch that short-circuits a resistance of an excitation circuit of a generator when a detected value of the power flow detection device is zero; A timer that outputs an output signal after a certain period of time from the closing command of the short-circuit switch, and A that outputs a signal by ANDing the signal of this timer and the zero signal of the power flow detection device.
The present invention is characterized by comprising an ND logic device and a shear disconnection command device that uses a signal from the AND logic device to issue a shear disconnection command to a liaison or disconnector that connects the external power system and the in-house power generation equipment. Power outage detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18159487U JPH0186439U (en) | 1987-11-26 | 1987-11-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18159487U JPH0186439U (en) | 1987-11-26 | 1987-11-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0186439U true JPH0186439U (en) | 1989-06-08 |
Family
ID=31473074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18159487U Pending JPH0186439U (en) | 1987-11-26 | 1987-11-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0186439U (en) |
-
1987
- 1987-11-26 JP JP18159487U patent/JPH0186439U/ja active Pending
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