Impact of the solar photovoltaic (PV) generation on long-term voltage stability of a power network

Munkhchuluun, Enkhtsetseg; Meegahapola, Lasantha

doi:10.1109/isgt-asia.2017.8378456

Cited by 17 publications

(7 citation statements)

References 14 publications

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“…It might have either adverse or advantage impacts on voltage stability. The effect of the partially solar-PV system on longterm voltage stability was investigated in [11,2]. It was observed that the integration of PV power plants might improve the system voltage stability.…”

Section: Monte Carlo Simulationmentioning

confidence: 99%

Probabilistic Static Voltage Stability of Power System with Integration of PV Generators using Monte Carlo Simulations

Krismanto

Khairullah

Sulistiawati

et al. 2021

PPASA

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As a renewable source, the uncertainties and intermittencies of solar irradiance have become the main concern in developing and integrating such power generation into an electricity network. In power system operation, it is important to maintain a stable voltage profile under random power injection from renewable power generations. The effect of photovoltaic (PV) power plants on the static voltage stability of the interconnected power system is presented in this paper. The probabilistic study was conducted through Monte Carlo Simulation (MCS) to investigate the fluctuation of voltage profiles under uncertain power injection from PV power plants. The standard test system of IEEE 14 bus and practical test system of Lombok, West Nusa Tenggara electricity network are investigated. It was noticed that the installation of a photovoltaic power plant affected the voltage profiles. The fluctuated condition of power injection from PV power plant resulted in more fluctuation of voltage profiles as indicated by higher standard deviation values. Moreover, distributed location of the PV power plant also influenced the circumstances of voltage fluctuation, providing less fluctuated condition of voltage profiles. Eventually, it can be observed that the voltage fluctuation would influence the static voltage stability of the interconnected power system.

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Section: Monte Carlo Simulationmentioning

confidence: 99%

Probabilistic Static Voltage Stability of Power System with Integration of PV Generators using Monte Carlo Simulations

Krismanto

Khairullah

Sulistiawati

et al. 2021

PPASA

View full text Add to dashboard Cite

show abstract

“…An improved volt/var control was developed in [30]. In [31], it was demonstrated that the utilization of inverters' reactive power capability is important for maintaining the voltage stability of power systems.…”

Section: Introductionmentioning

confidence: 99%

A Comprehensive Review of Small-Signal Stability and Power Oscillation Damping through Photovoltaic Inverters

2021

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This paper focuses on the methods that ensure the rotor angle stability of electric power systems, which is most frequently analyzed with small-signal models. Over the past several decades, power system stabilizers (PSSs) for conventional excitation systems were the main tools for improving the small-signal stability of electromechanical oscillatory modes. In the last decade, power oscillation damping (POD) control implemented in photovoltaic (PV) inverters has been considered an alternative to PSSs. As PV generation undergoes massive rollout due to policy directions and renewable energy source integration activities, it could potentially be used as a source of damping, which is crucial for sustaining the rotor angle stability of the remaining in-service synchronous generators. Several studies have already been dedicated to the development of different damping strategies. This paper contributes to the existing research in power system stability by providing a comprehensive review of the effects of PV generation on small-signal stability, as well as the recent evolution of POD control through PV inverters. The features and impacts of the various ways to realize POD controllers are assessed and summarized in this paper. Currently, detailed information and discussions on the practical application of PV inverter PODs are not available. This paper is, thus, intended to initiate a relevant discussion and propose possible implementation approaches concerning the topic under study.

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“…Hassan et al [7] conducted a complete dynamic study of voltage stability impact on the IEEE 69-bus and 118-bus distribution grids with SPVGs. In [8], the long-term voltage stability of the network was improved after combining SPVG and Nordic-32 bus network using the time-domain simulation. However, dynamic analysis methods are timeconsuming and are computationally intensive.…”

Section: Introductionmentioning

confidence: 99%

Voltage Stability Assessment of Grid Connected PV Systems With FACTS Devices

Abdullah

Hassan

Moghavvemi

2021

Preprint

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Three static techniques (i.e., Power flow, Continuation Power Flow (CPF), and the Q-V curve) were used to assess the voltage stability of the power grid with a Solar Photovoltaic Generator (SPVG) and FACTS devices under nominal and heavy loading conditions. A static model is proposed for the power system that includes conventional power generation units and SPVGs with FACTS devices. Two models of SPVG were used (i.e., PV model and PQ model) to elucidate the effect of the SPVGs on the voltage stability under various operating conditions. The best location for FACTS devices was obtained under nominal and heavy load conditions using static techniques. The series and shunt FACTS devices under nominal and heavy loading conditions were compared using the abovementioned static techniques. The interaction between SPVGs and FACTS devices is detailed in this paper. The proposed approach was tested on the New England 39-bus standard test system, and the results confirmed the effectiveness of the proposed method under various operating conditions.

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Impact of the solar photovoltaic (PV) generation on long-term voltage stability of a power network

Cited by 17 publications

References 14 publications

Probabilistic Static Voltage Stability of Power System with Integration of PV Generators using Monte Carlo Simulations

Probabilistic Static Voltage Stability of Power System with Integration of PV Generators using Monte Carlo Simulations

A Comprehensive Review of Small-Signal Stability and Power Oscillation Damping through Photovoltaic Inverters

Voltage Stability Assessment of Grid Connected PV Systems With FACTS Devices

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