Nothing Special   »   [go: up one dir, main page]

Zheng et al., 2013 - Google Patents

Effects of Geomagnetically Induced Currents on current transformer and differential protection

Zheng et al., 2013

Document ID
1457223547235355921
Author
Zheng T
Chen P
Lu T
Jin Y
Liu L
Publication year
Publication venue
2013 IEEE Power & Energy Society General Meeting

External Links

Snippet

Geomagnetically Induced Current (GIC) has long been recognized to influence current transformer (CT). Treated as quasi-DC, the effects of GIC haven't been discriminated from DC bias caused by High Voltage Direct Current transmission (HVDC). However, the nature …
Continue reading at ieeexplore.ieee.org (other versions)

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
    • G01R31/08—Locating faults in cables, transmission lines, or networks
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection integrated protection
    • H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/32—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
    • H02H3/33—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current 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
    • G01R31/02—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
    • G01R31/12—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
    • 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

Similar Documents

Publication Publication Date Title
Meliopoulos et al. Power system harmonic analysis under geomagnetic disturbances
Zheng et al. Effects of Geomagnetically Induced Currents on current transformer and differential protection
Liang et al. A single-phase-to-ground fault detection method based on the ratio fluctuation coefficient of the zero-sequence current and voltage differential in a distribution network
Bessolitsyn et al. Experimental study of current error of up to 50 hz current-measuring transformer
Koen et al. Disturbances in the Southern African power network due to geomagnetically induced currents
Mattei et al. Response of power system protective relays to solar and HEMP MHD-E3 GIC
Patel et al. An analytic review of geomagnetically induced current effects in power system
Lu et al. The effects of the current transformer saturation on mal-operation under the DC magnetic bias caused by HVDC
Spoljaric et al. Measurement system for transformer inrush current higher harmonics determination
Sui et al. A method to assess GIC impact on zero sequence overcurrent protection of transmission lines
Li et al. Research on effects of transformer DC bias on negative sequence protection
Zawawi et al. Analysis of a geomagnetic induced current on a three-phase power transformer and power system
Wang et al. Study on modeling and simulation of AC/DC sensitive residual current transformer
Li et al. The characteristics of electromagnetic current transformers with DC bias
Zhou et al. Research on DC magnetic bias of power transformer
Tao et al. A survey on single-phase faulty line selection techniques for small current grounding system in medium-voltage grid
Jin et al. Effects of DC magnetic bias on differential protection of transformer
Gao et al. Making VSC-HVDC control robust to geomagnetically induced current
Wang et al. Research and analysis on suppression and influence of transformer direct current bias
Lu et al. Detection and location approach to incipient grounding defect in transformer winding based on sequence voltage ratios at PV inverter switching frequency
Guoxin et al. Risk analysis of CT saturation caused by aperiodic components
Pirmani et al. Detection of Faulty Feeders and Phases in Resonant Grounded Power Distribution Networks for Bushfire Prone Areas using Measurements from Existing Field Devices
Liu et al. Study on Reactive Power and Voltage Fluctuations Characteristics of Power Transformer Models Under Simulated Extreme Geomagnetic Disturbances Induced Current
Deng et al. Mechanism analysis of DC bias increasing risk of commutation failure
Anjana et al. Analysis of Geomagnetically Induced Current in Power Grid During Geomagnetic Storm