JP7226589B2 - 短絡検知装置及び短絡検知方法 - Google Patents

短絡検知装置及び短絡検知方法 Download PDF

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Publication number
JP7226589B2
JP7226589B2 JP2021566702A JP2021566702A JP7226589B2 JP 7226589 B2 JP7226589 B2 JP 7226589B2 JP 2021566702 A JP2021566702 A JP 2021566702A JP 2021566702 A JP2021566702 A JP 2021566702A JP 7226589 B2 JP7226589 B2 JP 7226589B2
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Prior art keywords
signal
detection signal
detection
magnetic flux
short
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Japanese (ja)
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JPWO2021130987A1 (https=
Inventor
勇二 滝澤
晴之 米谷
篤史 山本
進 前田
伸明 榁木
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K19/00—Synchronous motors or generators
    • H02K19/16—Synchronous generators
    • H02K19/36—Structural association of synchronous generators with auxiliary electric devices influencing the characteristic of the generator or controlling the generator, e.g. with impedances or switches
    • 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
    • G01R31/34—Testing dynamo-electric machines
    • G01R31/346—Testing of armature or field windings
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • H02K11/21—Devices for sensing speed or position, or actuated thereby
    • H02K11/225—Detecting coils
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/22—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral
    • H03K5/24—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
    • H02K2213/06—Machines characterised by the presence of fail safe, back up, redundant or other similar emergency arrangements

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Nonlinear Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Synchronous Machinery (AREA)
JP2021566702A 2019-12-26 2019-12-26 短絡検知装置及び短絡検知方法 Active JP7226589B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/051236 WO2021130987A1 (ja) 2019-12-26 2019-12-26 短絡検知装置及び短絡検知方法

Publications (2)

Publication Number Publication Date
JPWO2021130987A1 JPWO2021130987A1 (https=) 2021-07-01
JP7226589B2 true JP7226589B2 (ja) 2023-02-21

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ID=76573793

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JP2021566702A Active JP7226589B2 (ja) 2019-12-26 2019-12-26 短絡検知装置及び短絡検知方法

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US (1) US20220390519A1 (https=)
JP (1) JP7226589B2 (https=)
CN (1) CN114830512A (https=)
DE (1) DE112019008006T5 (https=)
WO (1) WO2021130987A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022009330A1 (ja) 2020-07-08 2022-01-13 三菱電機株式会社 回転電機の短絡検知装置及び短絡検知方法
DE112021007230T5 (de) 2021-03-10 2024-01-04 Mitsubishi Electric Corporation Kurzschluss-detektionseinrichtung für rotierende elektrische maschine
CN115524589B (zh) * 2022-09-30 2026-04-14 陕西航空电气有限责任公司 一种少匝电枢组件匝间冲击耐压试验工装

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015219229A (ja) 2014-05-13 2015-12-07 株式会社トーエネック 巻線短絡箇所の診断システム
JP2019060728A (ja) 2017-09-27 2019-04-18 株式会社トーエネック 巻線短絡診断装置および巻線短絡診断方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4603283A (en) * 1985-06-03 1986-07-29 Bodine Electric Company Variable speed control for a brushless direct current motor
JPH0634564B2 (ja) * 1986-09-18 1994-05-02 日本工営株式会社 発電機用地絡検出装置
JP3252362B2 (ja) * 1992-01-20 2002-02-04 ミネベア株式会社 回転電機の検査方法及びその検査装置
US20090219030A1 (en) 2008-02-29 2009-09-03 General Electric Company Methods and Systems for Detecting Rotor Field Ground Faults In Rotating Machinery
US8781765B2 (en) 2011-04-11 2014-07-15 General Electric Company Online monitoring system and method to identify shorted turns in a field winding of a rotor
JP7330006B2 (ja) * 2019-07-29 2023-08-21 株式会社東芝 界磁巻線層間短絡検知装置および界磁巻線層間短絡検知方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015219229A (ja) 2014-05-13 2015-12-07 株式会社トーエネック 巻線短絡箇所の診断システム
JP2019060728A (ja) 2017-09-27 2019-04-18 株式会社トーエネック 巻線短絡診断装置および巻線短絡診断方法

Also Published As

Publication number Publication date
US20220390519A1 (en) 2022-12-08
DE112019008006T5 (de) 2022-10-06
WO2021130987A1 (ja) 2021-07-01
JPWO2021130987A1 (https=) 2021-07-01
CN114830512A (zh) 2022-07-29

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