A Comprehensive Study of Wide-Area Damping Controller Requirements Through Real-Time Evaluation with Operational Uncertainties in Modern Power Systems

Kumar, A. Ramesh; Bhadu, Mahendra

doi:10.1080/03772063.2022.2043784

Cited by 18 publications

(3 citation statements)

References 214 publications

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“…Wind energy is extracted based on the speed of the wind at a given area and region where the blades are swept. DFIGs in the present investigation are an additional DG (Kumar and Bhadu, 2022a, b), as shown in Figure 5. The stator flux and voltage variables for maintaining the rotor side converter are provided…”

Section: Modeling Of the Ac Mg Connectedwith Dgsmentioning

confidence: 99%

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Simultaneous Damping and Frequency Control in AC Microgrid Using Coordinated Control Considering Time Delay and Noise

Arora,

Bhadu,

Kumar

2024

Transactions of the Institute of Measurement and Control

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The incorporation of converter-based generating sources in utility-scale microgrids causes frequency instability and low-frequency oscillations (LFOs), which is also a reason for degeneration in system stability. Damping frequency control is an essential part of alternating current (AC) microgrid system operation and control. Sudden changes in load, variations in renewable power outputs due to changes in solar insolation or wind speed, and so on factors cause the system frequency to deviate from the nominal value. Therefore, the role of a frequency controller is to maintain the dynamic stability in an AC microgrid by retaining the system frequency at the nominal value. Again, AC microgrids with high renewable power penetration face even more difficulty in maintaining frequency stability because of their poor inertial response. The research presented here proposes a novel approach for grid-connected AC microgrid oscillation damping and frequency control that simultaneously takes into consideration time delay and noise. To improve the frequency response and dampen LFOs by providing the voltage and frequency within the specified range, a coordinated technique-based control approach is adopted. In the developed hybrid control, the frequency controller relies on active power modulation, while the power oscillation damping controller is dependent on reactive power modulation. To improve stability and reduce communication consequences such as noise and signal latency (time delay), the developed power oscillation damping controller and frequency controller are coordinated along with the robust linear quadratic Gaussian controller. The comparative investigation of the effectiveness of the coordinated control technique is employed in the software of MATLAB/Simulink for grid-connected AC microgrid. The outcome of the simulation illustrates the superior effectiveness of the suggested controller over the traditional droop controller for huge power flows under disturbance with various operating conditions, under/overfrequency events, time delay, and noise. This grid encouragement capability for AC microgrids is anticipated to lead to novel possibilities for generating revenue.

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Section: Modeling Of the Ac Mg Connectedwith Dgsmentioning

confidence: 99%

“…The lead-lag-based PODCs are used to dampen the power oscillations of the system and provide stability to the system (Kumar and Bhadu, 2022a, b).…”

Section: Developed Simultaneous Frequency and Podc Schemementioning

confidence: 99%

Simultaneous Damping and Frequency Control in AC Microgrid Using Coordinated Control Considering Time Delay and Noise

Arora,

Bhadu,

Kumar

2024

Transactions of the Institute of Measurement and Control

Self Cite

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“…As consequence, FOPID controllers have been successfully extended to modern electrical power networks [18], [19]. Moreover, wide-area measurement system (WAMS) technology has facilitate the availability of remote generators speed deviations [20] as input for the proposed controller and then enable the application of wide-area damping control to eliminate inter-area LFEOs [21].…”

Section: Introductionmentioning

confidence: 99%

Optimal fractional SSSC auxiliary controller for power system low frequency oscillations damping improvement

Benayad¹,

Zabaiou²,

Bouafassa³

2023

Bulletin EEI

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This work presents a new controller design to improve inter-area low frequency electromechanical oscillations (LFEOs) damping and enhance the overall stability of the electrical network. The control strategy used the static synchronous series compensator (SSSC) based flexible AC transmission systems (FACTS) series-type device mainly performed for power flow and voltage regulation. Then, a fractional order proportional integral derivative (FOPID) is introduced as an auxiliary controller for the SSSC using the difference of rotor speed deviations of generators as input signal to improve the oscillations damping. Moreover, genetic algorithm (GA) is applied to seek for optimum controller gains. The proposed control approach is examined on two-area four-machine (2A4M) test system. The FOPID performance is compared with the integer order proportional integral derivative (PID). Obtained results show that the proposed SSSC-based FOPID controller achieves high performance for enhancement of inter-area low frequency oscillations damping.

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Stability Enhancement of AC Microgrid Using Discrete Mode Controllers with Optimum Sampling Frequency

Arora,

Bhadu,

Kumar

2024

Lecture Notes in Electrical Engineering

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A Comprehensive Study of Wide-Area Damping Controller Requirements Through Real-Time Evaluation with Operational Uncertainties in Modern Power Systems

Cited by 18 publications

References 214 publications

Simultaneous Damping and Frequency Control in AC Microgrid Using Coordinated Control Considering Time Delay and Noise

Simultaneous Damping and Frequency Control in AC Microgrid Using Coordinated Control Considering Time Delay and Noise

Optimal fractional SSSC auxiliary controller for power system low frequency oscillations damping improvement

Stability Enhancement of AC Microgrid Using Discrete Mode Controllers with Optimum Sampling Frequency

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