Constant Power Control of DFIG Wind Turbines With Supercapacitor Energy Storage

Qu, Liyan; Wang, Qiao

doi:10.1109/tia.2010.2090932

Cited by 306 publications

(141 citation statements)

References 12 publications

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“…The Doubly-Fed Induction Generator (DFIG) is one of the most frequently deployed large grid-connected wind turbines. Indeed, when compared with the full-scale power converter WT concept, the DFIG offers some advantages, such as reduced inverter and output filter costs due to low rotor-and grid-side power conversion ratings (25%-30%) [1]. However, DFIG-based WTs are very sensitive to grid disturbances, especially to voltage dips.…”

Section: 1generalmentioning

confidence: 99%

Operation and Review of Double Feed Induction Generator (Dfig) for Constant Power Control in Wind Power Plant

2017

IJAERD

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Wind turbine generators (WTGs) are usually controlled to generate maximum electrical power from wind under normal wind conditions. With the increasing penetration of wind power into electric power grids, energy storage devices will be required to dynamically match the intermittency of wind energy. To meet the requirements of frequency and active power regulation, energy storage devices will be required to dynamically match the intermittency of wind energy. A novel two-layer constantpower control scheme for a wind farm equipped with doubly-fed induction generator (DFIG) wind turbines. It is connected to the power grid at both stator and rotor terminals. The stator is directly connected to the grid while the rotor is fed through a variable-frequency dc-linkvoltage converter, which consists of a rotor-side converter (RSC) and a grid-side .converter .Each DFIG wind turbine is equipped with a super capacitor energy storage system (ESS) and is controlled by the low-layer WTG controllers and coordinated by a high-layer wind-farm supervisory controller (WFSC). The proposed system and control scheme provides a promising solution to help achieve high levels of penetration of wind power into electric power grids.

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Section: 1generalmentioning

confidence: 99%

Operation and Review of Double Feed Induction Generator (Dfig) for Constant Power Control in Wind Power Plant

2017

IJAERD

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“…Supercapacitors for Doubly-fed Induction Generator (DFIG) and Permanent Magnet Synchronous Generator (PMSG) wind turbine applications are discussed in [23,24] and [25] respectively. References [26,27] and [39] only use battery as the ESS, the main objection is to balance the difference between the turbine-produced power and the load (or grid) required power.…”

Section: Supercapacitor Technologiesmentioning

confidence: 99%

A review of energy storage technologies for marine current energy systems

Zhou

Benbouzid

Charpentier

et al. 2013

Renewable and Sustainable Energy Reviews

225

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Increasing concerns about the depletion of fossil resources and the issue of environment lead to a global need for producing more clean energy from renewable sources. Ocean is appreciated as a vast source of renewable energies. Considering marine renewable energies, it can be noticed that significant electrical power can be extracted from marine tidal currents. However, the power harnessed from marine tidal currents is highly fluctuant due to the swell effect and the periodicity of the tidal phenomenon. To improve the power quality and make the marine generation system more reliable, energy storage systems can play a crucial role. In this paper, an overview and the state of art of energy storage technologies are presented. Characteristics of various energy storage technologies are analyzed and compared for this particular application. The comparison shows that high-energy batteries like sodium-sulphur battery and flow battery are favorable for smoothing the long-period power fluctuation due to the tide phenomenon while supercapacitor and flywheel are more suitable for eliminating short-period power disturbances due to swell or turbulence phenomena.This means that hybrid storage technologies are needed for achieving optimal results in tidal marine current energy applications.

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“…To help to control this power, a power conditioning con guration can be used as shown in Figure 2.3; this uses wind as a source and consists of a synchronous generator, a diode recti er and a dc-dc converter. For the wind turbine generator, it is most likely that the wind energy can be converted to electrical energy by using the Doubly Fed Induction Generator (DFIG), the synchronous generator and the permanent magnet synchronous generator that have been applied in [13,14,15]. The voltages generated from the generator are connected to the diode recti er and the dc-dc converter in order to control the maximum power generated by the wind source as has been discussed in [13,16,17,18,19,20].…”

Section: Energy Conversionmentioning

confidence: 99%

Energy recovery from landing aircraft

Zulkifli¹

2012

2012 3rd IEEE International Symposium on Power Electronics for Distributed Generation Systems (PEDG)

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Currently, renewable energy sources are the main driver for future electricity generation. This trend is growing faster in the developed countries in order to reduce the green house e ect and also in response to the limited supply of oil, gas and coal which are currently the major sources for electric generation. For example, the main renewable energy sources are from wind energy and solar energy but these energies are only available to those countries that are exposed to these resources. In this thesis an alternative energy source is investigated where it can be generated from the moving objects or in form of kinetic energy. The idea is to convert the kinetic energy during landing aircraft into electrical energy which it can also be stored and transferred to the existing electrical network. To convert this kinetic energy to electrical energy, the linear generator (LG) and uncontrolled recti er have been used for energy conversion. The LG have been modelled in 3-phase model or in dq model and combined with the diode recti er that is used to generate the dc signal outputs. Due to the uncontrolled recti er the electrical outputs will have decaying amplitude along the landing time. This condition also happen to the LG outputs such as the force and the power output. In order to control these outputs the cascaded buck-boost converter has been used. This converter is responsible to control the output current at the recti er and also the LG output power during landing to more controllable power output. Here, the H ∞ current control strategy has been used as it o ers a very good performance for current tracking and to increase the robustness of the controller. During landing huge power is produced at the beginning and when the landing time is increased, the generated input power from LG is reduced to zero. Due to this, the energy storage that consits of ultracapacitor, bidirectional converter and boost converter are usedin order to store and to release the energy depends on the input power source and load grid power. The voltage proportional-integral (PI) control strategy has been used for both the converters. The last part is to transfer the energy from the source and at the ultracapacitor to the load by using the inverter as the processing device. The power controller and current controller are used at the inverter in order to control the power ow between the inverter and the grid. This is when the reference power is determined from the load power in order to generate the reference current by using the voltage oriented controller (VOC), while the H ∞ current controller is used to regulate the inverter current in order to inject the suitable amount of current that refer to the load power. Finally, a complete energy recovery system for landing aircraft with the grid connection have been put together to make the whole system to be as a new renewable energy source for the future electricity generation.

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Constant Power Control of DFIG Wind Turbines With Supercapacitor Energy Storage

Cited by 306 publications

References 12 publications

Operation and Review of Double Feed Induction Generator (Dfig) for Constant Power Control in Wind Power Plant

Operation and Review of Double Feed Induction Generator (Dfig) for Constant Power Control in Wind Power Plant

A review of energy storage technologies for marine current energy systems

Energy recovery from landing aircraft

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