COMPUTER-IMPLEMENTED METHOD OF POWER LINE PROTECTION, INTELLIGENT ELECTRONIC DEVICE AND ELECTRIC POWER SYSTEM
Techniques for distance protection of a transmission line include determining a fault inception time from a voltage and/or current, determining rate of change sample values indicative of a rate of change of the voltage and/or of a rate of change of the current for at least one sample time that is de...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | Techniques for distance protection of a transmission line include determining a fault inception time from a voltage and/or current, determining rate of change sample values indicative of a rate of change of the voltage and/or of a rate of change of the current for at least one sample time that is dependent on the fault inception time, and using the rate of change sample values to generate a phase classifier for fault classification of a zone classifier for faulted zone identification. |
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