[go: up one dir, main page]

Jha, 2024 - Google Patents

Troubleshooting of Transformers and Shunt Reactors

Jha, 2024

Document ID
7068685335941102060
Author
Jha D
Publication year
Publication venue
Transformer and Reactor Life Management

External Links

Snippet

A power transformer is usually defined as: According to this definition, a power transformer is essentially a non-mechanical device which can be used to change the voltage, but not the frequency, of an alternating current supply. A transformer comprises two or more electrical …
Continue reading at link.springer.com (other versions)

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00—Testing or monitoring of control systems or parts thereof
    • G05B23/02—Electric testing or monitoring
    • G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
    • G05B23/0259—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the response to fault detection
    • G05B23/0283—Predictive maintenance, e.g. involving the monitoring of a system and, based on the monitoring results, taking decisions on the maintenance schedule of the monitored system; Estimating remaining useful life [RUL]
    • 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
    • G01R31/12—Testing dielectric strength or breakdown voltage; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
    • G01R31/1227—Testing dielectric strength or breakdown voltage; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
    • G01R31/1236—Testing dielectric strength or breakdown voltage; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of surge arresters
    • 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
    • G01R31/02—Testing of electric apparatus, lines or components, for short-circuits, discontinuities, leakage of current, or incorrect line connection
    • G01R31/027—Testing of transformers
    • 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
    • G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
    • G01R31/3271—Testing of circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices
    • G01R31/3272—Apparatus, systems or circuits therefor
    • G01R31/3274—Details related to measuring, e.g. sensing, displaying or computing; Measuring of variables related to the contact pieces, e.g. wear, position or resistance
    • 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
    • G01R31/02—Testing of electric apparatus, lines or components, for short-circuits, discontinuities, leakage of current, or incorrect line connection
    • G01R31/024—Arrangements for indicating continuity or short-circuits in electric apparatus or lines, leakage 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
    • G01R31/28—Testing of electronic circuits, e.g. by signal tracer
    • G01R31/2832—Specific tests of electronic circuits not provided for elsewhere

Similar Documents

Publication Publication Date Title
US6446027B1 (en) Intelligent analysis system and method for fluid-filled electrical equipment
Murugan et al. Failure analysis of power transformer for effective maintenance planning in electric utilities
EP1085635A2 (en) Fluid-filled electrical equipment intelligent analysis system and method
Martinez-Monseco An approach to a practical optimization of reliability centered maintenance. Case study: power transformer in hydro power plant
Saad On-line gas monitoring for increased transformer protection
Jha Troubleshooting of Transformers and Shunt Reactors
Guy et al. Transformer asset life extension–When, why and how to apply continuous condition monitoring systems
Tippannavar et al. Smart transformer-An analysis of recent technologies for monitoring transformer
Morais et al. Reliability centered maintenance for capacitor voltage transformers
Krieg et al. Techniques and experience in on-line transformer condition monitoring and fault diagnosis in ElectraNet SA
Berg et al. Reliability of main transformers
CN115792461A (en) Transformer state maintenance method and device with reliability as center
Costa et al. Large Power Transformers: Time Now for Addressing their monitoring and failure investigation techniques. Energies 2022, 15, 4697
Soliman Industrial Power Transformers: Selection, Installation, Advanced Maintenance and Reliability
Mendler et al. Electrical equipment maintenance 101
Motau Optimisation Of Online Condition Monitoring To Predict Power Transformer Failures In Distribution Networks
Rajotte Maintenance of Transformers and Reactors
Mamillapalli et al. Optimizing Transmission System Performance through Predictive Maintenance Strategies
MacArthur Condition Assessment Techniques for Transformers and Reactors
Lapworth Transformer and Reactor Pre-Commissioning
Wetzer Transformer lifecycle: The diagnostic power of oil analysis for power transformers
Sparling On-line monitoring of HV substation equipment: Myths and truths
Lapworth Trial Operation for Transformers and Reactors
FĂGĂRĂŞAN et al. Monitoring and diagnosis methods for high voltage power transformers
Matar et al. Implementation of Transformers On-line Condition Monitoring Systems