JPH0340348B2 - - Google Patents
Info
- Publication number
- JPH0340348B2 JPH0340348B2 JP57010464A JP1046482A JPH0340348B2 JP H0340348 B2 JPH0340348 B2 JP H0340348B2 JP 57010464 A JP57010464 A JP 57010464A JP 1046482 A JP1046482 A JP 1046482A JP H0340348 B2 JPH0340348 B2 JP H0340348B2
- Authority
- JP
- Japan
- Prior art keywords
- insulation resistance
- low frequency
- switch
- transformer
- frequency voltage
- 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.)
- Expired - Lifetime
Links
- 238000009413 insulation Methods 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 12
- 239000003990 capacitor Substances 0.000 claims description 9
- 230000007423 decrease Effects 0.000 claims description 2
- 238000005070 sampling Methods 0.000 claims 1
- 102000012677 DET1 Human genes 0.000 description 9
- 101150113651 DET1 gene Proteins 0.000 description 9
- 230000010355 oscillation Effects 0.000 description 5
- 238000007796 conventional method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229910002056 binary alloy Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/16—Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line
- G01R27/18—Measuring resistance to earth, i.e. line to ground
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1046482A JPS58127174A (ja) | 1982-01-26 | 1982-01-26 | 活線回路の簡易絶縁抵抗測定方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1046482A JPS58127174A (ja) | 1982-01-26 | 1982-01-26 | 活線回路の簡易絶縁抵抗測定方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58127174A JPS58127174A (ja) | 1983-07-28 |
| JPH0340348B2 true JPH0340348B2 (fr) | 1991-06-18 |
Family
ID=11750851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1046482A Granted JPS58127174A (ja) | 1982-01-26 | 1982-01-26 | 活線回路の簡易絶縁抵抗測定方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58127174A (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60162963A (ja) * | 1984-02-03 | 1985-08-24 | Toyo Commun Equip Co Ltd | 簡易絶縁抵抗測定方法 |
| JPH0640113B2 (ja) * | 1984-12-28 | 1994-05-25 | 東洋通信機株式会社 | 簡易絶縁抵抗測定方法 |
| JPS61288170A (ja) * | 1985-06-14 | 1986-12-18 | Japan Atom Energy Res Inst | 地絡抵抗検出回路 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57200869A (en) * | 1981-06-04 | 1982-12-09 | Toyo Commun Equip Co Ltd | Measurement of insulation resistance |
-
1982
- 1982-01-26 JP JP1046482A patent/JPS58127174A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57200869A (en) * | 1981-06-04 | 1982-12-09 | Toyo Commun Equip Co Ltd | Measurement of insulation resistance |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58127174A (ja) | 1983-07-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5256977A (en) | High frequency surge tester methods and apparatus | |
| US3869664A (en) | Improved surge tester for electrical windings | |
| US6181586B1 (en) | Current-to-voltage converter and associate closed-loop control circuit | |
| JPH0389129A (ja) | 回転電機の巻線温度測定装置 | |
| JPH0340348B2 (fr) | ||
| US3887866A (en) | Surge tester for testing an electrical winding and including voltage comparison means | |
| JPH02133099A (ja) | 交流発電機の故障検知器 | |
| US5294768A (en) | Electrical supply circuit for the generation of separately controllable current pulses | |
| US4307429A (en) | Method and apparatus for monitoring conductor currents for a fault current | |
| US3953682A (en) | Loop current detector | |
| JPH0337714B2 (fr) | ||
| US5694044A (en) | Simultaneous surge test of two coils of an assembly of series connected coils | |
| JPH06327138A (ja) | ショートディレイ機能付電子トリップ装置 | |
| JPS5869500A (ja) | ステツプ・モ−タの電力消費を減少する方法および該方法を実施するための装置 | |
| JPS5923080B2 (ja) | Ｘ↓−線発生器用回路 | |
| JPH0785094B2 (ja) | 電圧差測定方法及びその測定装置 | |
| RU2025740C1 (ru) | Способ определения места повреждения на линиях электропередачи и устройство для его осуществления | |
| JPS59501094A (ja) | 電圧を制御する方法およびこの方法に従つて動作する装置 | |
| US11480629B2 (en) | Electronic device and method for determining at least one characteristic parameter of a connection set connected between a converter and an electric machine, related power supply chain and computer program | |
| SU1056084A1 (ru) | Устройство дл контрол и измерени сопротивлени контактов реле | |
| JP3175839B2 (ja) | 充電装置及び充電方法 | |
| US3404330A (en) | Dc constant-voltage device | |
| JPH0458581B2 (fr) | ||
| Dallago et al. | High-frequency current transducers in a control system for quasiresonant power convertors | |
| JP2002027656A (ja) | 変流器を用いた過電流検出方法およびその検出方法を用いた電子式回路遮断器 |