A Real-Time Out-of-Step Protection Strategy Based on Instantaneous Active Power Deviation

Nasab, Mohammad Rajabi; Yaghobi, Hamid

doi:10.1109/tpwrd.2020.3045276

Cited by 19 publications

(11 citation statements)

References 20 publications

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“…Apart from the methods listed in the comparative table, some recent work on OOS protection based on local measurements include [23], [24] and [25]. These methods, however, can only be applied on generator terminals, since they require direct input from generator measurements.…”

Section: Proposed Approachmentioning

confidence: 99%

Out-of-Step Protection Based on Discrete Angle Derivatives

Tealane

Kilter

Bagleybter³

et al. 2022

IEEE Access

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This paper presents an out-of-step protection algorithm based on angle derivatives, which makes use of wide-area measurements and can be applied on arbitrary tie-lines in electrical power systems. The developed algorithm uses PMU measurements that are taken at both ends of a transmission line. Based on the changes of the electrical quantities in the power system, the algorithm detects unstable system conditions. Thus, the developed solution is settingless and can be easily applied where an outof-step condition is expected. The concept is deployed by using an industrial controller and tested by conducting numerous hardware-in-the-loop simulations. Additionally, recorded data from actual out-of-step events in the Icelandic power system are used to validate the developed algorithm. The performance of the implemented method is compared against the traditional impedance-based out-of-step protection methods. The results confirm that the proposed algorithm detects out-of-step conditions more reliably and faster than the traditional impedance-based solutions.INDEX TERMS Out-of-step protection, power system transient stability, tie-lines, real-time HiL testing.

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Section: Proposed Approachmentioning

confidence: 99%

Out-of-Step Protection Based on Discrete Angle Derivatives

Tealane

Kilter

Bagleybter³

et al. 2022

IEEE Access

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“…y is the modal variable. The damping term has been canceled in (10) by subtracting the equation corresponding to the reference generator from all other equations.…”

Section: Linear Transformationmentioning

confidence: 99%

“…. The auxiliary variable allows (10) to be written in the form of ( 3) and can always be canceled to recover 2nd-order-like oscillator equations. The first difference compared to the traditional NF method is that the 2nd-order system model is expanded by the Taylor series before putting it to first-order.…”

Section: Linear Transformationmentioning

confidence: 99%

“…This method, like the wide-area measurement (WAM) methods in [6,7], depends on the accuracy of the measurement units and the fidelity of wide-area communications to fully use it. Other existing approaches include variation in voltage frequency-based method [8], line differential current-based method [9], instantaneous active power deviation-based method [10], adaptive method [11], decision tree method [12] and turbine generator behavior-based method [13]. The majority of those references use EAC to supplement their approaches (e.g., [1][2][3]11]), so it appears to be the most commonly published.…”

Section: Introductionmentioning

confidence: 99%

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A normal form-based power system out-of-step protection

Ugwuanyi

Kestelyn

Thomas

et al. 2022

Electric Power Systems Research

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“…Fourth, finally the data information will be transmitted to the main power distribution station, and then provide effective basis for the practice service. [10][11][12] In order to ensure the overall system security, reliability and comprehensive control, it is necessary to build a trusted mechanism in the source side. Therefore, as a whole system, node trust has the basic requirement of credibility, network trust is the basis of guaranteeing node communication, and the application of trust can provide effective services and support for each node and network.…”

Section:  mentioning

confidence: 99%

Research on Information Security Protection of Active Distribution Network Based on Trusted Computing

Liu

Jin

Chen

et al. 2021

J. Phys.: Conf. Ser.

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In the continuous innovation and development of smart power grid in China, active distribution network as an important part, the corresponding information security protection work has received the attention of the whole society. On the basis of understanding the current operation of smart grid system, this paper analyzes and discusses the practical application cases by clarifying the safety protection and safe and credible protection schemes of active distribution network.

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A Real-Time Out-of-Step Protection Strategy Based on Instantaneous Active Power Deviation

Cited by 19 publications

References 20 publications

Out-of-Step Protection Based on Discrete Angle Derivatives

Out-of-Step Protection Based on Discrete Angle Derivatives

A normal form-based power system out-of-step protection

Research on Information Security Protection of Active Distribution Network Based on Trusted Computing

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