JPS602322U

JPS602322U - Voltage detection device for gas insulated equipment

Info

Publication number: JPS602322U
Application number: JP9119683U
Authority: JP
Inventors: 哲也岡野; 俊郎田中
Original assignee: 株式会社東芝; 東芝エンジニアリング株式会社
Priority date: 1983-06-16
Filing date: 1983-06-16
Publication date: 1985-01-09

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

[Brief explanation of the drawing]

第１図はガス絶縁密閉母線を示す正面図、第２図は本考
案によるガス絶縁機器の検電装置を示す回路図、第３図
は第２図の検電検出部を示す等価回路図、第４図は本考
案に使用する異常検出装置を示すシーケンス回路図、第
５図は本考案の検電装置部の他の実施例を示す導体と電
極との配置図である。１・・・ガス絶縁母線、２・・・外被、３・・・絶縁ス
ペーサ、４．　５．　６・・・母線導体、７．８・・・
電極、９゜１０・・・検出部、１１．１２・・・リード
線、１３゜１４・・・増幅部、１５・・・状態検出装置
、１６・・・制御箱、１７，１８．２０・・・接点増幅
用リレー、１９・・・異常検出リレー、ＦＩ・・・故障
表示装置。FIG. 1 is a front view showing a gas-insulated sealed busbar, FIG. 2 is a circuit diagram showing a voltage detection device for gas-insulated equipment according to the present invention, and FIG. 3 is an equivalent circuit diagram showing the voltage detection section of FIG. 2. FIG. 4 is a sequence circuit diagram showing an abnormality detection device used in the present invention, and FIG. 5 is a layout diagram of conductors and electrodes showing another embodiment of the voltage detecting device section of the present invention. 1... Gas insulated bus bar, 2... Outer cover, 3... Insulating spacer, 4. 5. 6... bus conductor, 7.8...
Electrode, 9゜10...Detection section, 11.12...Lead wire, 13゜14...Amplification section, 15...Status detection device, 16...Control box, 17,18.20. ...Contact amplification relay, 19...Abnormality detection relay, FI...Failure display device.

Claims

[Scope of utility model registration request]

(1) In gas-insulated equipment in which live parts of multiple phases are arranged in an outer sheath filled with insulating gas, at least two or more live parts in the outer sheath are arranged facing each other so as to have capacitance between them. It has a function of detecting and displaying the presence or absence of potential of the charged part by receiving each detection signal obtained from each electrode, and a function of indicating a failure when there is a contradiction between the sent signals. 1. A voltage detection device for gas insulated equipment, characterized in that it comprises a state detection device.

(2) Claim 1 of the Utility Model Registration Claim characterized in that live parts for three phases are arranged within the outer jacket, and electrodes are arranged to face each of the live parts for three phases. Voltage detection device for gas insulated equipment.

(3) A characteristic feature is that live parts for three phases are arranged inside the outer jacket, and a common electrode for the live parts for the three phases and an electrode for the live part for the remaining one phase are arranged facing each other. A voltage detection device for gas insulated equipment according to claim 1 of the utility model registration claim.

(4) The voltage detecting device for gas insulated equipment as claimed in claim 1, wherein a multiplex circuit including a detecting section and an amplifying section is connected between each electrode and the state detecting device.