Power system transient stability analysis in the case of high-penetration photovoltaics (part 2)

Yagami, Masaki; Ishikawa, Seiichiro; Ichinohe, Yoshihiro; Misawa, Kenji; Tamura, Junji

doi:10.1109/ptc.2015.7232320

Cited by 8 publications

(4 citation statements)

References 2 publications

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“…ISSN: 2278-0181 http://www.ijert.org regulation, reverse power flow and protection issues [6], and stability enhancement using LVRT scheme is investigated in [9][10].…”

Section: International Journal Of Engineering Research and Technology (mentioning

confidence: 99%

Dynamic Stability Enhancing Control Strategy for Power Oscillation Damping in Power Systems with High-Level PV Penetration

Usman¹,

Thomas²

2017

IJERT

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The deregulated power system has paved the way for a significant number of distributed energy resources (DER). This results in a large installation of renewable sources in the grid. Thus large installations of PV systems are becoming more common. These Centralized PV systems can cause major issues in the existing grid if these are not adequately addressed. The significant contribution of these systems can cause problems with the dynamic stability of the power system. The intermittent and inertia-less nature of PV systems can produce significant power oscillations. At the present condition, the penetration level of PV into the grid is limited by the utilities, to prevent problems of power oscillation. Thus the PV plant capacity cannot be increased beyond the penetration limit. The penetration limit depends on several factors such as the types of loads, stability enhancement devices on the grid. The penetration limit regulated cyclically. This paper proposes a control strategy for power oscillation damping in power systems implemented in Grid-connected converters (GCC) so that the power system stability is enhanced without any additional cost of equipment. This, in turn, helps to provide a penetration margin and thereby to increase the PV capacity of the grid.

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“…ISSN: 2278-0181 http://www.ijert.org regulation, reverse power flow and protection issues [6], and stability enhancement using LVRT scheme is investigated in [9][10].…”

Section: International Journal Of Engineering Research and Technology (mentioning

confidence: 99%

Dynamic Stability Enhancing Control Strategy for Power Oscillation Damping in Power Systems with High-Level PV Penetration

Usman¹,

Thomas²

2017

IJERT

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“…Number of IEEE standards and books [10]- [13] cover modelling issues in depth [13]. High injection of PV generation on the power system may cause negative impacts in the power system operation due to variable voltages [8]- [14]. New research on the smart grids considers voltage balance of the power system of very much importance.…”

Section: Introductionmentioning

confidence: 99%

Review on various voltage stability issues in AC distribution network

Khidrani,

Larik,

Memon

et al. 2024

IJPEDS

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With the rapidly depleting natural energy resources and increasing population worldwide, the calls for more energy demand have risen globally. In this vein, the world is transitioning from traditional to renewable energy sources (RES) to meet the required demands. However, the (RES), due to its variable nature, has voltage stability and power quality issues that need to get minimized to enhance the reliability of the (RES) system. This paper reviews the voltage stability and quality issues in the AC distribution system based on renewable energy sources (RES). Initially the renewable energy sources and problems associated with renewable energy sources are discussed. This article gives an overview of voltage control strategies based on local as well as communication-based phenomenon for distribution networks. In this review a hybrid solar photovoltaic and wind system is used to generate the power of 3-5 kW. A voltage controller topology is suggested using MATLAB/Simulink for enhancing voltage stability of the system. It is suggested that a voltage stability controller can be designed using recommended topology by using Arduino with pulse width modulation technique. Thus, by measuring and correcting real-time voltage instability values of the system, the system can be made more reliably secure, efficient, and stable than the previously proposed renewable AC distribution systems.

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“…Ultimately, a large number of power sources may be disconnected from the grid. In this case, due to the decline of power supply caused by the disconnection of many power sources, the conventional SGs may go out-of-step in the decelerating direction [6][7][8].…”

Section: Introductionmentioning

confidence: 99%

Enhancement of Power System Transient Stability by Active and Reactive Power Control of Variable Speed Wind Generators

2020

Self Cite

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This paper proposes a novel control method for enhancing transient stability by using renewable energy sources (RES). The kinetic energy accumulated in a rotor of variable speed wind generator (VSWG) is proactively used as the active power source, which is controlled according to the frequency measured at the wind farm. In addition, coordinated reactive power control according to the grid voltage is also carried out to more effectively use the kinetic energy of the VSWG. The effects of the proposed control system were evaluated by simulation analyses performed using a modified IEEE nine-bus power system network made up of synchronous generators (SGs), a photovoltaic (PV) system and a VSWG-based wind farm. Furthermore, the coordinated reactive power control between the VSWG and PV system was also demonstrated.

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Power system transient stability analysis in the case of high-penetration photovoltaics (part 2)

Cited by 8 publications

References 2 publications

Dynamic Stability Enhancing Control Strategy for Power Oscillation Damping in Power Systems with High-Level PV Penetration

Dynamic Stability Enhancing Control Strategy for Power Oscillation Damping in Power Systems with High-Level PV Penetration

Review on various voltage stability issues in AC distribution network

Enhancement of Power System Transient Stability by Active and Reactive Power Control of Variable Speed Wind Generators

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