JPH0237547U - - Google Patents
Info
- Publication number
- JPH0237547U JPH0237547U JP11325088U JP11325088U JPH0237547U JP H0237547 U JPH0237547 U JP H0237547U JP 11325088 U JP11325088 U JP 11325088U JP 11325088 U JP11325088 U JP 11325088U JP H0237547 U JPH0237547 U JP H0237547U
- Authority
- JP
- Japan
- Prior art keywords
- change range
- power
- power generation
- unannounced
- frequency
- 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 9
- 238000010248 power generation Methods 0.000 claims description 6
- 230000000087 stabilizing effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Landscapes
- Supply And Distribution Of Alternating Current (AREA)
Description
第１図は自家発電設備の回路図、第２図は無予
告停電検出装置の回路図、第３図は安定化装置の
フローチヤートである。
１３…周波数変化率検出回路、１４…周波数変
化巾検出回路、１５…電圧変化巾検出回路、１６
，１７…タイマー。
Fig. 1 is a circuit diagram of the private power generation equipment, Fig. 2 is a circuit diagram of the unannounced power outage detection device, and Fig. 3 is a flowchart of the stabilization device. 13... Frequency change rate detection circuit, 14... Frequency change width detection circuit, 15... Voltage change width detection circuit, 16
, 17...Timer.
Claims (1)
自家発電設備において、 母線の周波数の変化率が所定値以上になつたこ
とを検出する周波数の変化率検出回路と、前記周
波数の変化巾が所定値以上になつたことを検出す
る周波数変化巾検出回路と、前記電圧の変化巾が
所定値以上になつたことを検出する電圧変化巾検
出回路と、前記各回路の出力信号が入力されるＡ
ＮＤ回路とよりなる無予告停電検知装置を備えた
ことを特徴とする自家発電設備。 (2) 複数の発電機と買電系統が並行運転される
自家発電設備において、 母線の周波数変化率、周波数変化巾及び電圧変
化巾を検出してこれら検出値が共に夫々所定の値
を越えたとき出力する無予告停電検知装置と、こ
の無予告停電装置よりの出力信号により作動し買
電系統及び各発電機グループ間の接続を切離し各
発電機毎の電圧調整と調速運転および負荷選択し
や断を行い自家発系統の安定をはかる安定化装置
を備えたことを特徴とする自家発電設備。[Scope of claim for utility model registration] (1) In a private power generation facility where multiple generators and power purchasing systems are operated in parallel, the rate of change in frequency that detects when the rate of change in the bus frequency exceeds a predetermined value a detection circuit; a frequency change range detection circuit that detects that the frequency change range has exceeded a predetermined value; and a voltage change range detection circuit that detects that the voltage change range has exceeded a predetermined value; A to which the output signals of each of the circuits are input
A private power generation facility characterized by being equipped with an unannounced power outage detection device consisting of an ND circuit. (2) In a private power generation facility where multiple generators and power purchasing systems are operated in parallel, the frequency change rate, frequency change range, and voltage change range of the bus bar are detected, and each of these detected values exceeds a predetermined value. It is activated by the unannounced power outage detection device that outputs an output signal when the unannounced power outage occurs, and the output signal from this unannounced power outage device, disconnects the power purchasing system and each generator group, and performs voltage adjustment, speed control operation, and load selection for each generator. Private power generation equipment characterized by being equipped with a stabilizing device that stabilizes the private power generation system by disconnecting the power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11325088U JPH0237547U (en) | 1988-08-29 | 1988-08-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11325088U JPH0237547U (en) | 1988-08-29 | 1988-08-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0237547U true JPH0237547U (en) | 1990-03-13 |
Family
ID=31352919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11325088U Pending JPH0237547U (en) | 1988-08-29 | 1988-08-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0237547U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001169554A (en) * | 1999-12-06 | 2001-06-22 | Okuma Corp | Power converter |
| JP2016010314A (en) * | 2014-06-20 | 2016-01-18 | エスエムエイ ソーラー テクノロジー アクティエンゲゼルシャフトＳＭＡ Ｓｏｌａｒ Ｔｅｃｈｎｏｌｏｇｙ ＡＧ | Method and device for detecting island network condition in energy supply network |
-
1988
- 1988-08-29 JP JP11325088U patent/JPH0237547U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001169554A (en) * | 1999-12-06 | 2001-06-22 | Okuma Corp | Power converter |
| JP2016010314A (en) * | 2014-06-20 | 2016-01-18 | エスエムエイ ソーラー テクノロジー アクティエンゲゼルシャフトＳＭＡ Ｓｏｌａｒ Ｔｅｃｈｎｏｌｏｇｙ ＡＧ | Method and device for detecting island network condition in energy supply network |
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