Trends in wind power technology and grid code requirements

Atputharajah, A.; Ramtharan, G.; Jenkins, Nicholas; Ramachandaramurthy, Vigna K.; Ekanayake, Janaka; Štrbac, Goran

doi:10.1109/iciinfs.2007.4579161

Cited by 25 publications

(7 citation statements)

References 28 publications

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“…At that time, wind turbines were allowed to trip when grid faults occurred [29]. As the integration level of wind energy increases, the premature tripping of WTs may result in voltage collapse [30]. Therefore, the requirements of low voltage ride through, which demand that wind turbines should stay online rather than trip immediately when voltage sags, has been reinforced by TSOs [29].…”

Section: Requirements Of Lvrtmentioning

confidence: 99%

Recent advancement on technical requirements for grid integration of wind power

Liu

Wong

2013

J. Mod. Power Syst. Clean Energy

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The installation of wind energy has experienced rapid development during recent years. As a result, the operation of power system can be greatly affected. Therefore, the operators of different countries have formulated the grid codes which reinforce technical requirements for wind power plants. In this paper, recent grid codes published in different countries have been carefully reviewed. The basic requirements of active power control and reactive power compensation, both of which have particular influence on wind power plants operation, are focused on. Based on this review, it is understood that with the increasing integration of wind energy, there is a worldwide trend to regulate the performance of wind power plants so that they can contribute to the stability and reliability of power system.

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Section: Requirements Of Lvrtmentioning

confidence: 99%

Recent advancement on technical requirements for grid integration of wind power

Liu

Wong

2013

J. Mod. Power Syst. Clean Energy

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“…These issues lead to the necessity of a set of comprehensive grid codes. The Electricity grid codes [5][6][7] are the regulatory standards made by the International Electrotechanical Commission (IEC) to develop, maintain, and operate the power system grid in the most secured, reliable, economical and efficient manner. The grid codes define the operational boundary of a wind turbine connected to the network in terms of frequency, voltage tolerance, power factor and fault ride through (FRT).…”

Section: Introductionmentioning

confidence: 99%

Fault Ride-Through Capability of DSTATCOM for Distributed Wind Generation System

Aggarwal

Singh²,

Gupta³

2015

IJPEDS

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In this paper, fault ride through analysis of a low voltage distribution system augmented with distributed wind generation using squirrel cage induction generator and distribution static compensator (DSTATCOM) is carried out through modeling and simulation study in MATLAB. The impact of unbalanced (single line to ground) fault in a low voltage distribution system in normal and severe conditions is studied and analyzed in details. Analysis on system instability is also shown in case of sever fault condition. A distribution Static Compensator (DSTATCOM) is used to improve fault ride through (FRT) capability of wind generation system by compensating positive sequence voltage. A comparison of dynamic response of the system with and without DSTATCOM and effects of DSTATCOM on voltage and generator speed are presented. The simulation results shows that DSTATCOM is capable of reducing the voltage dips and improving the voltage profiles by providing reactive power support to distributed wind generation system under unbalanced fault condition and enhances the fault ride through capability of the wind generator.

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“…For this purpose, wind turbines connected to the grid should be equipped with FRT capability (Marques, 2006), (Sudrià, 2005), (Arulampalam, 2007). According to the Portuguese grid code proposal, the new wind power plants must fulfil the following minimum technical requirements (Estanqueiro, 2007):…”

Section: Grid Code Requirements For Wind Farm Connectionmentioning

confidence: 99%

Evaluating the performance of external fault ride-through solutions used in wind farms with fixed speed induction generators when facing unbalanced faults

Resende

Lopes

2009

2009 IEEE Bucharest PowerTech

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Resumo: Na sequência da integração da energia eólica em larga escala foram estabelecidos códigos de rede pelos vários operadores de sistema, exigindo que os parques eólicos permaneçam em serviço durante e após a ocorrência de defeitos na rede a montante. Nos parques eólicos equipados com sistemas de velocidade constante este requisito pode ser assegurado pela instalação, no ponto de interligação à rede, de equipamento de compensação dinâmica de potência reactiva, controlado como fonte de tensão, sendo as funções de controlo baseadas em medidas efectuadas no ponto de interligação relativamente às componentes directas da tensão e da corrente. Como a adopção deste tipo de soluções externas é adequada ao funcionamento do sistema em regime equilibrado, este artigo foca a avaliação do desempenho da solução no caso da ocorrência de defeitos assimétricos.Os resultados obtidos através das simulações dinâmicas evidenciam o aparecimento de sobre tensões nas fases não afectadas pelo defeito que poderão colocar o parque eólico fora de serviço. Abstract:The continuous growth of wind energy integration on electrical networks has led many utilities to impose fault ride-through capability to wind farms. This means that wind turbines must remain connected to the system during severe fault occurrence. Regarding the existing wind farms equipped with fixed speed induction generators directly connected to the grid, fault ride-through capability is commonly assisted with dynamic compensation devices, such as DSTATCOM units.These power electronic devices are controlled for voltage regulation purposes and behave like a balanced three-phase voltage source converter since commonly used control techniques are based only on the positive sequence of both voltage and current measured at its connection point. These control techniques are suitable only when compensation devices are operated under balanced conditions and therefore its performance when facing unbalanced faults needs to be evaluated. This paper tackles with this subject and the results obtained through numerical simulations demonstrate that over voltages can arise on non faulty phases leading to the wind farm disconnection. Palavras

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Trends in wind power technology and grid code requirements

Cited by 25 publications

References 28 publications

Recent advancement on technical requirements for grid integration of wind power

Recent advancement on technical requirements for grid integration of wind power

Fault Ride-Through Capability of DSTATCOM for Distributed Wind Generation System

Evaluating the performance of external fault ride-through solutions used in wind farms with fixed speed induction generators when facing unbalanced faults

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