Comparison of different methods for input/output signal selection for wide area power system control

Almutairi, A. M.; Milanović, Jovica V.

doi:10.1109/pes.2009.5275576

Cited by 8 publications

(5 citation statements)

References 3 publications

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“…The residue method has been used to identify the most appropriate controller location as well as the optimal remote signal [23], [33]. The modal residues for the exciter input and the machine speed output have been calculated.…”

Section: ) Signal Selection and Control Location Of Wadcmentioning

confidence: 99%

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Event‐triggered communication in wide‐area damping control: a limited output feedback‐based approach

Bhadu

Tripathy

Kar

et al. 2016

IET Generation, Transmission & Distribution

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A conceptual design methodology is proposed for event-triggered based power system wide area damping controller. The event-triggering mechanism is adopted to reduce the communication burden between origin of the remote signal and the wide area damping controller (WADC) location. The remote signal is transmitted to the WADC only when an eventtriggering condition based on a predefined system output, is satisfied. The triggering condition is derived from a stability criterion, and is monitored continuously by a separate eventmonitoring unit located at the origin of the remote signal. The stability of the resulting closed loop system is guaranteed via the input-to-state stability (ISS) technique. The proposed event triggered WADC (ET-WADC) is implemented on two typical test power systems -two area four machine and IEEE 39 bus 10 machine. The validation of proposed mechanism is carried out through non-linear simulation studies on MATLAB/Simulink platform. The numerical results show the efficacy of the controller in managing the communication channel usage without compromising the stated system stability objectives.

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Section: ) Signal Selection and Control Location Of Wadcmentioning

confidence: 99%

“…The selection of WADC locations and input signals is carried out on the basis of the established modal residue method [21]- [23]. Time delays are typically associated with PMU to WADC data transmission, due to measurement and distances involved in communication medium as well as network congestion.…”

mentioning

confidence: 99%

Event‐triggered communication in wide‐area damping control: a limited output feedback‐based approach

Bhadu

Tripathy

Kar

et al. 2016

IET Generation, Transmission & Distribution

View full text Add to dashboard Cite

show abstract

“…The residue method is used to identify the controller location and an optimal feedback signal [5,18]. The model residues for the inputs of V ref1 , V ref2 , V ref3 , V ref4 and outputs of dω1, dω2, dω3, dω4 has been calculated.…”

Section: B Signal Selection and Control Locations Of Wadcsmentioning

confidence: 99%

“…For small signal and transient stability enhancement, WADC is an important aspect in power system. Now-a-days robust control techniques are used to design the wide area damping controller to overcome the problem of oscillations in power systems [2]- [5].…”

Section: Introductionmentioning

confidence: 99%

Real time simulation of a robust LQG based wide area damping controller in power system

Bhadu

Senroy

2014

IEEE PES Innovative Smart Grid Technologies, Europe

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This paper presents a wide area damping control system using robust linear quadratic Gaussian (LQG) controller for damping the inter area oscillations in the power systems. The designed robust controller is capable of dealing with the problem of imperfect communication medium, which introduces communication noise, measurement noise and signal latency. The performance of the robust controller is verified by the non-linear time domain simulation in MATLAB/simulink and Software-In-Loop(SIL) validation is performed on real time digital simulator opal RT-lab.

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“…For the selection of controller and measurement locations, assorted methods such as participation factors, modal controllability/observability and residue have been suggested. The residue method was found to be more impressive among all methods because it can effectively identify the controller locations and an optimal feedback signal without knowledge of input and output [16–18].…”

Section: Introductionmentioning

confidence: 99%

Robust linear quadratic Gaussian‐based discrete mode wide area power system damping controller

Bhadu

Senroy

Kar

et al. 2016

IET Generation, Transmission & Distribution

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Comparison of different methods for input/output signal selection for wide area power system control

Cited by 8 publications

References 3 publications

Event‐triggered communication in wide‐area damping control: a limited output feedback‐based approach

Event‐triggered communication in wide‐area damping control: a limited output feedback‐based approach

Real time simulation of a robust LQG based wide area damping controller in power system

Robust linear quadratic Gaussian‐based discrete mode wide area power system damping controller

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