SG11202012112XA - A method and a system of detecting winding fault under online operation of an electrical machine - Google Patents

A method and a system of detecting winding fault under online operation of an electrical machine

Info

Publication number
SG11202012112XA
SG11202012112XA SG11202012112XA SG11202012112XA SG11202012112XA SG 11202012112X A SG11202012112X A SG 11202012112XA SG 11202012112X A SG11202012112X A SG 11202012112XA SG 11202012112X A SG11202012112X A SG 11202012112XA SG 11202012112X A SG11202012112X A SG 11202012112XA
Authority
SG
Singapore
Prior art keywords
electrical machine
online operation
fault under
winding fault
detecting winding
Prior art date
Application number
SG11202012112XA
Inventor
Subash Chandar Athikessavan
Shiva Shankaranarayanan Muthuraj
Sanjib Kumar Panda
Elango Jeyasankar
Sai Srinivas Manohar
Original Assignee
Sembcorp Ind Ltd
Nat Univ Singapore
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 Sembcorp Ind Ltd, Nat Univ Singapore filed Critical Sembcorp Ind Ltd
Publication of SG11202012112XA publication Critical patent/SG11202012112XA/en

Links

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
    • G01R31/72—Testing of electric 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
    • G01R31/34—Testing dynamo-electric machines
    • G01R31/343—Testing dynamo-electric machines in operation
    • 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
    • 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
    • G01R31/62—Testing of transformers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
    • H02P29/02—Providing protection against overload without automatic interruption of supply
    • H02P29/024—Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
SG11202012112XA 2019-08-05 2019-08-05 A method and a system of detecting winding fault under online operation of an electrical machine SG11202012112XA (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SG2019/050389 WO2021025612A1 (en) 2019-08-05 2019-08-05 A method and a system of detecting winding fault under online operation of an electrical machine

Publications (1)

Publication Number Publication Date
SG11202012112XA true SG11202012112XA (en) 2021-03-30

Family

ID=74503630

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202012112XA SG11202012112XA (en) 2019-08-05 2019-08-05 A method and a system of detecting winding fault under online operation of an electrical machine

Country Status (5)

Country Link
US (2) US11500037B2 (en)
EP (2) EP3811094A4 (en)
CN (2) CN113439217A (en)
SG (1) SG11202012112XA (en)
WO (2) WO2021025612A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115248906B (en) * 2022-09-22 2023-01-06 武汉格蓝若智能技术有限公司 State error identification method and system for double current transformers on outgoing line of generator

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CN106772037B (en) * 2016-12-15 2019-07-09 华北电力大学（保定） Synchronous generator rotor winding interturn short-circuit diagnostic method based on twin coil
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Also Published As

Publication number Publication date
CN113439217A (en) 2021-09-24
US11959978B2 (en) 2024-04-16
WO2021025612A1 (en) 2021-02-11
US11500037B2 (en) 2022-11-15
US20220155386A1 (en) 2022-05-19
WO2021025620A1 (en) 2021-02-11
EP3811094A1 (en) 2021-04-28
EP3811094A4 (en) 2022-03-16
EP4010716A4 (en) 2023-08-30
CN114364998A (en) 2022-04-15
US20220276307A1 (en) 2022-09-01
EP4010716A1 (en) 2022-06-15

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