JPH0316625B2 - - Google Patents
Info
- Publication number
- JPH0316625B2 JPH0316625B2 JP57083735A JP8373582A JPH0316625B2 JP H0316625 B2 JPH0316625 B2 JP H0316625B2 JP 57083735 A JP57083735 A JP 57083735A JP 8373582 A JP8373582 A JP 8373582A JP H0316625 B2 JPH0316625 B2 JP H0316625B2
- Authority
- JP
- Japan
- Prior art keywords
- cable
- insulation
- frequency power
- current
- power source
- 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 26
- 230000007547 defect Effects 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000007689 inspection Methods 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57083735A JPS58200172A (ja) | 1982-05-18 | 1982-05-18 | 絶縁不良検出方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57083735A JPS58200172A (ja) | 1982-05-18 | 1982-05-18 | 絶縁不良検出方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58200172A JPS58200172A (ja) | 1983-11-21 |
JPH0316625B2 true JPH0316625B2 (US07498051-20090303-C00003.png) | 1991-03-06 |
Family
ID=13810779
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57083735A Granted JPS58200172A (ja) | 1982-05-18 | 1982-05-18 | 絶縁不良検出方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58200172A (US07498051-20090303-C00003.png) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013177230A (ja) * | 2012-02-28 | 2013-09-09 | Tadano Ltd | クレーンの荷重検出装置 |
JP6578753B2 (ja) * | 2015-06-15 | 2019-09-25 | コベルコ建機株式会社 | マグネット作業機械 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5559348A (en) * | 1978-10-30 | 1980-05-02 | Tokyo Electric Power Co Inc:The | Winding short detecting method for transformer |
JPS5522684B2 (US07498051-20090303-C00003.png) * | 1975-05-23 | 1980-06-18 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5522684U (US07498051-20090303-C00003.png) * | 1978-08-02 | 1980-02-14 |
-
1982
- 1982-05-18 JP JP57083735A patent/JPS58200172A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5522684B2 (US07498051-20090303-C00003.png) * | 1975-05-23 | 1980-06-18 | ||
JPS5559348A (en) * | 1978-10-30 | 1980-05-02 | Tokyo Electric Power Co Inc:The | Winding short detecting method for transformer |
Also Published As
Publication number | Publication date |
---|---|
JPS58200172A (ja) | 1983-11-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
RU2660128C2 (ru) | Способ обнаружения состояния обрыва фазы трансформатора | |
CN101029922B (zh) | 同轴电缆及其测试方法 | |
WO2000058706A2 (en) | Method and apparatus for detecting elevator rope degradation using electrical or magnetic energy | |
US20130024135A1 (en) | Method And Apparatus For Ferromagnetic Cable Inspection | |
WO2020095354A1 (ja) | 磁性体検査装置および磁性体検査システム | |
CN106771816B (zh) | 卷铁心多点接地故障下铁心损耗试验平台及试验方法 | |
WO2020246131A1 (ja) | ワイヤロープ検査システムおよびワイヤロープ検査方法 | |
JP7172135B2 (ja) | 磁性体検査装置 | |
JP3261935B2 (ja) | 小型電気機械の非破壊絶縁試験方法およびその装置 | |
JPH0316625B2 (US07498051-20090303-C00003.png) | ||
JP7027927B2 (ja) | 磁性体検査装置 | |
KR102006591B1 (ko) | 1차전류 크기에 무관한 변류기 2차측 개방 여부 검출 방법 및 장치 | |
KR20050087887A (ko) | 소형 전기 기계의 비파괴 절연 시험 방법 및 장치 | |
US3823369A (en) | Transformer tester for indicating shorted conditions in power transformers | |
CN214895021U (zh) | 一种电缆接头铅封部位脉冲涡流检测装置 | |
US4430610A (en) | Non-grounding checking system | |
JP2958594B2 (ja) | 絶縁劣化診断装置 | |
US20050178754A1 (en) | Earth connections for workpieces | |
JPS6071415A (ja) | ベルト縦裂け検出装置 | |
US7148708B1 (en) | Probe assembly for minimizing excitation pick-up voltages | |
JP3351304B2 (ja) | ケーブル線路の課電圧極性の検出システムおよびケーブル線路の絶縁破壊位置の検出システム | |
SU995031A1 (ru) | Способ контрол целостности обмотки электрической машины | |
JPH068777B2 (ja) | ワイヤロ−プ損傷検出機能を備えたホイスト | |
JPH0726788U (ja) | 回転電機巻線の欠陥部検出装置 | |
JPH07104736B2 (ja) | 変圧器の直流偏磁検出方法 |