JPS58179838U - Phase loss protection device for three-phase loads - Google Patents

Phase loss protection device for three-phase loads

Info

Publication number
JPS58179838U
JPS58179838U JP7854982U JP7854982U JPS58179838U JP S58179838 U JPS58179838 U JP S58179838U JP 7854982 U JP7854982 U JP 7854982U JP 7854982 U JP7854982 U JP 7854982U JP S58179838 U JPS58179838 U JP S58179838U
Authority
JP
Japan
Prior art keywords
phase
protection device
loss protection
loads
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.)
Pending
Application number
JP7854982U
Other languages
Japanese (ja)
Inventor
吉川　嘉郎
Original Assignee
三洋電機株式会社
東京三洋電機株式会社
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 by 三洋電機株式会社, 東京三洋電機株式会社 filed Critical 三洋電機株式会社
Priority to JP7854982U priority Critical patent/JPS58179838U/en
Publication of JPS58179838U publication Critical patent/JPS58179838U/en
Pending legal-status Critical Current

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Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例を示す電気回路図１、第２図
は本考案の信実流側を示す電気回路図である。 １・・・三相交流電源、５・・・補助リレー、７．２０
　　゛・・・制御機構、９，１９・・・三相負荷、Ｙｌ
・・・常開接片。FIG. 1 is an electric circuit diagram showing an embodiment of the present invention, and FIG. 2 is an electric circuit diagram showing the actual flow side of the present invention. 1... Three-phase AC power supply, 5... Auxiliary relay, 7.20
゛...Control mechanism, 9,19...Three-phase load, Yl
...Always open contact piece.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] Ｒ相、Ｓ相、Ｔ相からなる三相交流電源に三相負荷を接
続し、該三相負荷番制御する制御機構を具備すると共に
、Ｒ相、Ｓ相間に常開接片を有する補助リレーを設け、
前記常開接片と前記制御機構とを直列にＳ相、Ｔ相間に
介在させたことを特徴とする三相負荷の欠相保護装置。An auxiliary relay that connects a three-phase load to a three-phase AC power supply consisting of an R phase, an S phase, and a T phase, is equipped with a control mechanism for controlling the three-phase load number, and has a normally open contact between the R phase and the S phase. established,
An open phase protection device for a three-phase load, characterized in that the normally open contact piece and the control mechanism are interposed in series between an S phase and a T phase.
JP7854982U 1982-05-27 1982-05-27 Phase loss protection device for three-phase loads Pending JPS58179838U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7854982U JPS58179838U (en) 1982-05-27 1982-05-27 Phase loss protection device for three-phase loads

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7854982U JPS58179838U (en) 1982-05-27 1982-05-27 Phase loss protection device for three-phase loads

Publications (1)

Publication Number Publication Date
JPS58179838U true JPS58179838U (en) 1983-12-01

Family

ID=30087755

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7854982U Pending JPS58179838U (en) 1982-05-27 1982-05-27 Phase loss protection device for three-phase loads

Country Status (1)

Country Link
JP (1) JPS58179838U (en)

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