JPH01171534U - - Google Patents

Info

Publication number
JPH01171534U
JPH01171534U JP6761688U JP6761688U JPH01171534U JP H01171534 U JPH01171534 U JP H01171534U JP 6761688 U JP6761688 U JP 6761688U JP 6761688 U JP6761688 U JP 6761688U JP H01171534 U JPH01171534 U JP H01171534U
Authority
JP
Japan
Prior art keywords
rectifier
calculates
abnormality
negative sequence
load
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
Application number
JP6761688U
Other languages
English (en)
Other versions
JPH0736446Y2 (ja
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP6761688U priority Critical patent/JPH0736446Y2/ja
Publication of JPH01171534U publication Critical patent/JPH01171534U/ja
Application granted granted Critical
Publication of JPH0736446Y2 publication Critical patent/JPH0736446Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Protection Of Generators And Motors (AREA)
  • Protection Of Static Devices (AREA)

Description

【図面の簡単な説明】
図面は本考案に係る自家用発電機の保護装置の
一実施例を示すブロツク図である。 １……変流器、２……逆相分電流検出部、３…
…等価逆相電流検出部、４……合成部、５……整
流器実負荷容量算出部、６……比率判定部、７…
…継続時間判定部、８……「整流器負荷過多」の
異常検出部、９……整流器負荷制限または選択負
荷遮断指令部、Ｇ１〜Ｇ３……自家用発電機、Ｂ
……母線、Ｚ１……動力負荷、Ｚ２……単相負荷
、Ｚ３及びＺ４……整流器負荷。

Claims (1)

    【実用新案登録請求の範囲】
  1. 不平衡による逆相分電流と高調波による等価逆
    相電流を求める電流検出部と、これら両電流に基
    づいて整流器実負荷容量を算出し、これの発電機
    容量に占める割合いが所定値以上となり、かつ一
    定時間以上継続した時に「整流器負荷過多」と判
    定する異常検出部と、異常検出時に整流器負荷制
    限または選択負荷遮断の指令を発する指令部とを
    備えたことを特徴とする自家用発電機の保護装置
    。
JP6761688U 1988-05-23 1988-05-23 自家用発電機の保護装置 Expired - Lifetime JPH0736446Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6761688U JPH0736446Y2 (ja) 1988-05-23 1988-05-23 自家用発電機の保護装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6761688U JPH0736446Y2 (ja) 1988-05-23 1988-05-23 自家用発電機の保護装置

Publications (2)

Publication Number Publication Date
JPH01171534U true JPH01171534U (ja) 1989-12-05
JPH0736446Y2 JPH0736446Y2 (ja) 1995-08-16

Family

ID=31292982

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6761688U Expired - Lifetime JPH0736446Y2 (ja) 1988-05-23 1988-05-23 自家用発電機の保護装置

Country Status (1)

Country Link
JP (1) JPH0736446Y2 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008172919A (ja) * 2007-01-11 2008-07-24 Shin Daiwa Kogyo Co Ltd 発電機の遮断装置
US9851136B2 (en) 2013-06-19 2017-12-26 Daikin Industries, Ltd. Refrigerating device for containers

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008172919A (ja) * 2007-01-11 2008-07-24 Shin Daiwa Kogyo Co Ltd 発電機の遮断装置
US9851136B2 (en) 2013-06-19 2017-12-26 Daikin Industries, Ltd. Refrigerating device for containers

Also Published As

Publication number Publication date
JPH0736446Y2 (ja) 1995-08-16

Similar Documents

Publication Publication Date Title
JPH01171534U (ja)
JPH0464946U (ja)
JPS6155491U (ja)
JPS61101436U (ja)
JPS6377429U (ja)
JPS6181734U (ja)
JPS6149527U (ja)
JPS62125915U (ja)
JPS6192193U (ja)
JPH01109239U (ja)
JPS6270630U (ja)
JPS6295433U (ja)
JPS6333329U (ja)
JPS637939U (ja)
JPH0476125U (ja)
JPH01134930U (ja)
JPS6221790U (ja)
JPS6397346U (ja)
JPS59179433U (ja) サイリスタ変換器用過電流保護装置
JPS6221732U (ja)
JPS63179736U (ja)
JPS6412439U (ja)
JPH02129142U (ja)
JPS63160040U (ja)
JPH044726A (ja) 無停電電源装置