JPS6021972U - Insulation checker for live wires - Google Patents

Insulation checker for live wires

Info

Publication number
JPS6021972U
JPS6021972U JP11408683U JP11408683U JPS6021972U JP S6021972 U JPS6021972 U JP S6021972U JP 11408683 U JP11408683 U JP 11408683U JP 11408683 U JP11408683 U JP 11408683U JP S6021972 U JPS6021972 U JP S6021972U
Authority
JP
Japan
Prior art keywords
insulation
live wires
checker
insulation checker
current
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
JP11408683U
Other languages
Japanese (ja)
Inventor
本重　正行
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP11408683U priority Critical patent/JPS6021972U/en
Publication of JPS6021972U publication Critical patent/JPS6021972U/en
Pending legal-status Critical Current

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  • Measurement Of Resistance Or Impedance (AREA)

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図は従来のリークテスターによる測定図、第２図、
第３図は本考案の絶縁測定の概略図。 図中、１は配電用変圧器、２は電気工作物の電路、３は
零相変流器、４は増幅器、５はセンター０メーター、６
は第２種接地、ＣＸは可変コンデンサー、ＲＸは可変抵
抗、ＣＧは電路の対地静電容量、ＲＧは電路の絶縁抵抗
、ＩＣは電路の対地静電容量による充電電流、ＩＧは電
路のＣＧＸＲＧによる漏れ電流、ＩＸは比較電流、７は
比較器。Figure 1 is a measurement diagram using a conventional leak tester; Figure 2 is a measurement diagram using a conventional leak tester;
FIG. 3 is a schematic diagram of insulation measurement according to the present invention. In the figure, 1 is a distribution transformer, 2 is a circuit of an electric facility, 3 is a zero-phase current transformer, 4 is an amplifier, 5 is a center 0 meter, 6
is the second type grounding, CX is the variable capacitor, RX is the variable resistance, CG is the ground capacitance of the circuit, RG is the insulation resistance of the circuit, IC is the charging current due to the ground capacitance of the circuit, IG is due to the CGXRG of the circuit Leakage current, IX is comparison current, 7 is comparator.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 電路の、漏れ、電流に等しい逆向きの電流を零相変流器
に通じ（又は比較器に加え）で絶縁を検知することを特
徴とする、活線用絶縁チェッカ０Insulation checker for live lines, characterized by detecting insulation by passing a current in the opposite direction equal to the leakage current of the electrical circuit through a zero-phase current transformer (or in addition to a comparator)
JP11408683U 1983-07-21 1983-07-21 Insulation checker for live wires Pending JPS6021972U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11408683U JPS6021972U (en) 1983-07-21 1983-07-21 Insulation checker for live wires

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11408683U JPS6021972U (en) 1983-07-21 1983-07-21 Insulation checker for live wires

Publications (1)

Publication Number Publication Date
JPS6021972U true JPS6021972U (en) 1985-02-15

Family

ID=30263855

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11408683U Pending JPS6021972U (en) 1983-07-21 1983-07-21 Insulation checker for live wires

Country Status (1)

Country Link
JP (1) JPS6021972U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6232040A (en) * 1985-08-05 1987-02-12 株式会社　タカラブネ Method and device for manufacturing release band paper for manufacturing confectionery
JPS6387934A (en) * 1986-08-19 1988-04-19 フエレロ　オフエネ　ハンデルスゲゼルシヤフト　ミツト　ベシユレンクテル　ハフツング Baked product

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5748665A (en) * 1980-09-08 1982-03-20 Nec Corp Resistance component measuring circuit
JPS58111760A (en) * 1981-12-25 1983-07-02 Toyo Commun Equip Co Ltd Handy measurment of insulation resistance

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5748665A (en) * 1980-09-08 1982-03-20 Nec Corp Resistance component measuring circuit
JPS58111760A (en) * 1981-12-25 1983-07-02 Toyo Commun Equip Co Ltd Handy measurment of insulation resistance

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6232040A (en) * 1985-08-05 1987-02-12 株式会社　タカラブネ Method and device for manufacturing release band paper for manufacturing confectionery
JPS6387934A (en) * 1986-08-19 1988-04-19 フエレロ　オフエネ　ハンデルスゲゼルシヤフト　ミツト　ベシユレンクテル　ハフツング Baked product
JPH0371091B2 (en) * 1986-08-19 1991-11-12 Fuerero Ohg

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