JPS6021972U - Insulation checker for live wires - Google Patents
Insulation checker for live wiresInfo
- 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
Links
Landscapes
- 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
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)
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)
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)
| 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)
| 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 |
-
1983
- 1983-07-21 JP JP11408683U patent/JPS6021972U/en active Pending
Patent Citations (2)
| 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)
| 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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