Analysis of power quality problems in grid connected wind power plant

Sugirtha, M. G.; Latha, P.

doi:10.1109/iconraeece.2011.6129727

Cited by 21 publications

(16 citation statements)

References 6 publications

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“…From the results of various techniques that are mentioned above it can be concluded that System transients are significantly mitigated by adapting DVR method in [38], since both the amplitude and duration of the fluctuation has been decreased. This method has better improvement on voltage stability and fluctuation mitigation.…”

Section: Voltage Stabilitymentioning

confidence: 91%

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Overview of grid connected doubly fed induction generator power quality

Ghorbanian

Ahmadian

Shams

et al. 2013

2013 IEEE Conference on Clean Energy and Technology (CEAT)

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With growing electricity demand and environmental concerns, renewable energy especially wind energy has been moved into the center of concentration recently. The wind energy conversion (WECS) system has connected to the power grid to provide the consumer electricity demand. The various area where researchers have underwritten could be classified in various methods. The main unease of many previous researches related to power quality improvement for instance reactive power compensation, voltage regulation, total harmonic distortion reduction and stability of the system. Various proposed control schemes and techniques are reviewed in this paper which focused on grid integration of large wind turbines to preserve the power quality in acceptable limit.

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Section: Voltage Stabilitymentioning

confidence: 91%

“…Sugirtha and P. Latha [38] have presented the study of power quality issues of grid connected power plant and propose dynamic voltage restorer (DVR). DVR injects voltage into the system to improve the power factor, reduce the system losses and stabilize the voltage.…”

Section: Voltage Stabilitymentioning

confidence: 99%

Overview of grid connected doubly fed induction generator power quality

Ghorbanian

Ahmadian

Shams

et al. 2013

2013 IEEE Conference on Clean Energy and Technology (CEAT)

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“…The db (4) Wavelet was used based on reference [17] which determined that it presents a good performance for real-time fault detection in the electrical grid. The RDWT block diagram for db(4) is presented in Fig.…”

Section: A Redundant Discrete Wavelet Transformmentioning

confidence: 99%

“…Some renewable energy sources, such as wind farms, may present problems when connected to the power grid, such as power balancing and load and frequency regulation. Sags may affect the operation of the wind generator causing their disconnection of the power grid and even its destruction [4], [1]. In this work we compare the detection of sags, based on a wavelet transform technique, both using FPGAs and DSPs devices.…”

Section: Introductionmentioning

confidence: 99%

“…When a disturbance occurs the voltage wave is not more a near-perfect sinewave. Disturbances, depending on their intensity and shape can cause economic impacts on the electrical system and directly on many industries, affecting electrical machines, power electronic devices and electronic equipment [3], [4]. Some renewable energy sources, such as wind farms, may present problems when connected to the power grid, such as power balancing and load and frequency regulation.…”

Section: Introductionmentioning

confidence: 99%

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FPGA versus DSP for Wavelet transform based Voltage Sags detection

Arrais

Roda

Neto

et al. 2014

2014 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) Proceedings

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The detection of disturbances in electrical power systems must be as fast as possible to avoid serious consequences. The occurrence of sags, particularly in Wind Electrical Synchronous Generators, may cause failures or even the destruction of the generator. This paper presents a comparison between a FPGA and a DSP system for Voltage Sags detection. The use of Field Programmable Gate Arrays (FPGAs) and Digital Signal Processor (DSP) to monitor the quality of Electrical Power Systems allows the fast detection of sags and other related electric power disturbances. The developed system used a version of the Wavelet transform, the Redundant Discrete Wavelet Transform (RDWT), for the detection of the sags. For a fast Sag detection, the current and voltage wavelet coefficient energies were used. The results obtained show that both implementations, with FPGA and with DSP are efficient alternatives for the fast SAGs detection and can also be used to other power quality related disturbances monitoring.

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Limitations, challenges, and solution approaches in grid‐connected renewable energy systems

et al. 2020

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Summary In the modern world, only conventional energy resources cannot fulfil the growing energy demand. Electricity is a fundamental building block of a technological revolution. Today, most of the electricity demand is met by the burning of fossil fuels but at the cost of adverse environmental impact. In order to bridge the gap between electricity demand and supply, nonconventional and eco‐friendly means of energy generation are considered. Renewable energy systems (RESs) offer an adequate solution to mitigate the challenges originated due to greenhouse gasses (GHG). However, they have an unpredictable power generation with specific site requirements. Grid integration of RESs may lead to new challenges related to power quality, reliability, power system stability, harmonics, subsynchronous oscillations (SSOs), power quality, and reactive power compensation. The integration with energy storage systems (ESSs) can reduce these complexities that arise due to the intermittent nature of RESs. In this paper, a comprehensive review of renewable energy sources has been presented. Application of ESSs in RESs and their development phase has been discussed. Role of ESSs in increasing lifetime, efficiency, and energy density of power system having RESs has been reviewed. Moreover, different techniques to solve the critical issues like low efficiency, harmonics, and inertia reduction in photovoltaic (PV) systems have been presented. Unlike most of the available review papers, this article also investigates the impact of FACTS technology in RESs‐based power system using multitype flexible AC transmission system (FACTS) controllers. Three simulation models have been developed in MATLAB/Simulink. The results show that FACTS devices help to maintain the stability of RESs integrated power system. This review paper is believed to be of potential benefit for researchers from both the industry and academia to develop better understanding of challenges and solution techniques for REs‐based power systems and future research dimensions in this area.

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Analysis of power quality problems in grid connected wind power plant

Cited by 21 publications

References 6 publications

Overview of grid connected doubly fed induction generator power quality

Overview of grid connected doubly fed induction generator power quality

FPGA versus DSP for Wavelet transform based Voltage Sags detection

Limitations, challenges, and solution approaches in grid‐connected renewable energy systems

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