The flexible algorithm for identifying a disturbance and transient duration in power systems

Kovalenko, Pavel; Berdin, Alexander; Bliznyuk, Dmitry; Plesnyaev, Evgeny A.

doi:10.1109/indel.2016.7797787

Cited by 3 publications

(1 citation statement)

References 7 publications

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“…We also have to keep in mind that limiting the error by instrument transformer class 0.5 is quite optimistic since the actual errors may excess the rated values [17,18]; in case the error is not limited in that way the accuracy of defining the equivalent circuit parameters reaches 10 %, which indicates the result may be treated as the reference parameters refinement.…”

Section: Parameter (Reference Value)mentioning

confidence: 99%

Defining the parameters of a power transmission line equivalent circuit on the basis of phasor measurements

Kovalenko

Berdin

2017

J. Phys.: Conf. Ser.

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Although considered to be constant, these parameters depend upon the element actual load, weather conditions and other factors. Consequently, the results of the outlined problems may be subject to significant bias due to the difference between the reference and the actual elements parameters. Hence the task of identifying the actual equivalent circuit parameters is of paramount importance. In terms of power system control the actual measurements are to be used in order to provide the relevant information on the considered power system component state. As for the transmission lines, the state measurements must include the currents and voltages at both ends of the line regarding the Π-shaped equivalent circuit. That said, at present time the equivalent circuit parameters might be defined involving modern systems of phasor measurements (WAMS) on a real-time basis. The method of defining the equivalent circuit parameters based on phasor measurements along with general relations between power system state parameters is proposed. It should be noted as well that while dealing with the actual WAMS data obtained from power system the measurement errors influence the results quite substantially.

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Section: Parameter (Reference Value)mentioning

confidence: 99%

Defining the parameters of a power transmission line equivalent circuit on the basis of phasor measurements

Kovalenko

Berdin

2017

J. Phys.: Conf. Ser.

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Comparing the approaches to the measurements-based express-analysis of low-frequency oscillations in power systems

Kovalenko

2017

2017 IEEE 58th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON)

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Comparing the Linear and Square Models for Defining the Power System Frequency Static Response Slope based on Transient Synchrophasor Data

Berdin

Kovalenko

2019

2019 IEEE 60th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON)

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The flexible algorithm for identifying a disturbance and transient duration in power systems

Cited by 3 publications

References 7 publications

Defining the parameters of a power transmission line equivalent circuit on the basis of phasor measurements

Defining the parameters of a power transmission line equivalent circuit on the basis of phasor measurements

Comparing the approaches to the measurements-based express-analysis of low-frequency oscillations in power systems

Comparing the Linear and Square Models for Defining the Power System Frequency Static Response Slope based on Transient Synchrophasor Data

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