Symmetrical Short Circuit Parameter Differences of Double Fed Induction Generator and Synchronous Generator Based Wind Turbine

Nazir, Muhammad Shahzad; Li, Mengshi; Zhang, Luliang

doi:10.11591/ijeecs.v6.i2.pp268-277

Cited by 13 publications

(14 citation statements)

References 16 publications

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“…Simulation is performed after all the parameters are set. (12) where (P/A, i, n) is the present value of the annuity, and the coefficient can be obtained from the aforementioned equation.…”

Section: Resultsmentioning

confidence: 99%

“…In terms of nuclear energy, China's natural uranium resources are in short supply and can only support 50 standard nuclear power plants for the next 40 years [11]. In the current era, the optimal use of wind energy has been widely researched [12]. Moreover, the output characteristics of wind power and its impact on grid power flow nodes after grid connection have been analyzed [13].…”

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confidence: 99%

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Comparison of Small-Scale Wind Energy Conversion Systems: Economic Indexes

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Wind energy is considered as one of the most prominent sources of energy for sustainable development. This technology is of interest owing to its capability to produce clean, eco-friendly, and cost-effective energy for small-scale users and rural areas where grid power availability is insufficient. Wind power generation has developed rapidly in the past decade and is expected to play a vital role in the economic development of countries. Therefore, studying dominant economic factors is crucial to properly approach public and private financing for this emerging technology, as industrial growth and energy demands may outpace further economic studies earlier than expected. In this study, a strategy-focused method for performing economic analysis on wind energy based on financial net present value, levelized cost of energy, internal rate of return, and investment recovery period is presented. Numerical and simulation results depict the most optimal and economical system from a 3 and a 10 kW wind energy conversion system (WECS). Moreover, the aforementioned criteria are used to determine which WECS range is the most suitable investment with the shortest payback period. Finally, an economically viable and profitable wind energy system is recommended.

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“…Simulation is performed after all the parameters are set. (12) where (P/A, i, n) is the present value of the annuity, and the coefficient can be obtained from the aforementioned equation.…”

Section: Resultsmentioning

confidence: 99%

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confidence: 99%

Comparison of Small-Scale Wind Energy Conversion Systems: Economic Indexes

et al. 2020

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“…The FTC scheme not only deals with wind perturb conditions, but reduces the short-circuit overshoots disorder and applies the MPPT strategy to ensure the healthy operation of the DFIG-WT-based power system. In addition, the FTC scheme has been applied to ensure the smooth healthy operation of DFIG and grid connectivity under various wind speeds and short-circuit faults [20,25,35].…”

Section: Fault Tolerant Control (Ftc)mentioning

confidence: 99%

“…Furthermore, in order to support the grid voltage, the grid codes required that wind turbines must be able to penetrate reactive power to the power network under the voltage dip condition [15]. The wind turbine units under grid disturbances are considered as the fault ride-through (FRT), and the ability to overcome these undesirable conditions is referred to as the FRT capability of the power grid [13].The short-circuit faults (balanced and unbalanced) [12,16], speed sensors faults [17], DC voltage overshoot faults [10,18], and grid faults and actuator faults [9,[19][20][21][22] are subjected to the DFIG. Multiple kinds of techniques [9,23,24] are applied and analyzed to overcome these thresholds and voltage overshoot faults [25,26].…”

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Improving the Performance of Doubly Fed Induction Generator Using Fault Tolerant Control—A Hierarchical Approach

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The growth of using wind energy on a large scale increases the demand for wind energy conversion machines (WECMs), among these converters, the doubly-fed induction generator (DFIG) is the favorite choice. However, DFIG is very sensitive to wind speed variations and grid faults during operation. In order to overcome these undesirable characteristics, this paper proposes a hierarchical fault tolerant control (FTC) to improve the performance of DFIG. The hierarchical fault tolerant control (FTC) approach consists of pitch angle control (PAC) and maximum power point tracking (MPPT). This hierarchical approach demonstrates the robust response under various (low, rated, and high) wind speed ranges and reduces the undesirable DC voltage overshoots during short-circuit disorder. The simulation results are summarized in a logical table, which depicts the order of controlling scheme and operation for a sustainable energy generation system. The proposed control scheme achieved the healthy and the robust dynamic response without deteriorating the grid power quality or stressing the converters, and approved the effectiveness to suppress the DC voltage overshoots and tolerate the lower down short-circuit disorder to its rated range.

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“…Global warming, fossil fuel based political issues, economic competitions, and rapid human population increase demand for energy and numerous problems of energy resources can be alleviated by reducing constantly rising atmospheric carbon dioxide concentrations and adopting large natural energy producing resources (renewable) such as wind, solar, hydro and tidal [1]. Scientifically, wind power has proved to be eco-friendly, with the least environmental impact and the most promising source of electrical power generation [2][3].…”

Section: Introductionmentioning

confidence: 99%

Symmetrical Short-Circuit Parameters Comparison of DFIG–WT

Nazir

2017

Int. j. electr. comput. eng. syst. (Online)

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Renewable energy with new resources is depleting the fossil fuel-based energy resources. Renewable energy sources (such as wind energy) based power generators are important energy conversion machines and have widely industrial and commercial applications due to their superior performance, and the fact that they endure faults well and are environmentally friendly. The study of the transient behavior of such generators under fault condition has drawn much attention. This study presents Doubly-Fed Induction Generator (DFIG) perturbation during a symmetrical (three-phase) short circuit (SSC) at different points. Simulation results reveal that after a fault occurs, there is decay of SC parameters (transient time, maximum current, steady-state and voltage dip) at the point of common coupling (PCC) and the grid-side converter (GSC) of DFIG. Simulation results depict a more sensitive and robust point during a SSC of DFIG. Current findings present the main difference between the PCC and the GSC during SSC faults. These comparisons provide a more precise understanding of fault diagnosis reliability with reduced complexity, stability, and optimization of the system. This study verified by the simulation results helps us understand and improve the performance of sensor sensibility (measurements), develop control schemes, protection strategy and select a more accurate and proficient system among other wind energy conversion systems (WECS).

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Symmetrical Short Circuit Parameter Differences of Double Fed Induction Generator and Synchronous Generator Based Wind Turbine

Cited by 13 publications

References 16 publications

Comparison of Small-Scale Wind Energy Conversion Systems: Economic Indexes

Comparison of Small-Scale Wind Energy Conversion Systems: Economic Indexes

Improving the Performance of Doubly Fed Induction Generator Using Fault Tolerant Control—A Hierarchical Approach

Symmetrical Short-Circuit Parameters Comparison of DFIG–WT

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