An overview of the present grid codes for integration of distributed generation

Preda, T.; Uhlen, Kjetil; Nordgård, Dag Eirik

doi:10.1049/cp.2012.0716

Cited by 31 publications

(17 citation statements)

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“…Most of existing practices, especially in North America, require disconnection of DGs when faults happen to avoid islanding [33]. This practice differs significantly for European DNOs which allow islanding operations [34].…”

Section: Disconnection Of Dg When Fault Happenmentioning

confidence: 99%

Progress on Protection Strategies to Mitigate the Impact of Renewable Distributed Generation on Distribution Systems

et al. 2017

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Abstract:The benefits of distributed generation (DG) based on renewable energy sources leads to its high integration in the distribution network (DN). Despite its well-known benefits, mainly in improving the distribution system reliability and security, there are challenges encountered from a protection system perspective. Traditionally, the design and operation of the protection system are based on a unidirectional power flow in the distribution network. However, the integration of distributed generation causes multidirectional power flows in the system. Therefore, the existing protection systems require some improvement or modification to address this new feature. Various protection strategies for distribution system have been proposed so that the benefits of distributed generation can be fully utilized. This paper reviews the current progress in protection strategies to mitigate the impact of distributed generation in the distribution network. In general, the reviewed strategies in this paper are divided into: (1) conventional protection systems and (2) modifications of the protection systems. A comparative study is presented in terms of the respective benefits, shortcomings and implementation cost. Future directions for research in this area are also presented.

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Section: Disconnection Of Dg When Fault Happenmentioning

confidence: 99%

Progress on Protection Strategies to Mitigate the Impact of Renewable Distributed Generation on Distribution Systems

et al. 2017

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“…The technical requirements for DG depend upon the state in which the distribution system is, and can be summarized as in the following [5]: a) Requirements for steady state operation:…”

Section: Dg Regulationmentioning

confidence: 99%

“…A recent survey on the rules for integrating DG identified many differences in the national network codes [5]. This is because the codes are adapted to the country's specifics, e.g.…”

Section: Dg Regulationmentioning

confidence: 99%

“…The network code in Norway called "Funksjonskrav i kraftsystemet" (FIKS) [4] has been reviewed in 2012 to formally include DG smaller than 10 MW [5] and it will be further developed according the new ENTSO-E code. The FIKS is the official Norwegian regulation document applicable to all the intervenient in the Norwegian power system (generation, network operators and customers).…”

Section: Dg Regulationmentioning

confidence: 99%

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Possible impacts of the new ENTSO-E network code on distribution power systems in Norway

Aleixo

Catrinu

Nordgård

et al. 2013

2013 IEEE Grenoble Conference

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The number of small scale generation units (or Distributed Generation (DG)) worldwide is increasing rapidly. Norway has a large potential for hydropower which leads to expectations that the number of small scale hydro generation units to be connected to the MV distribution system will increase in the years to come. However, as more DG connects, more challenges are induced into the distribution system. In order to ensure stable and secure system operation, several rules and regulations are necessary. This paper focuses on the network code proposed by the European Network of Transmission System Operators for Electricity (ENTSO-E) in June 2012, which, when applied in Norway, will introduce new requirements both to the DG owners and distribution system operators (DSOs). The paper discusses some of the changes the new network code will likely impose on the distribution network operators and on the existing and future DG units in the distribution system.

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“…Wind turbine manufacturers and power utilities are looking for innovation in technology development in this area. High penetration of wind turbines in power system has made it necessary to review the existing grid codes requirements [1]- [7]. Grid codes in Europe and most other countries require wind turbines to stay connected to utility systems during fault conditions for a stipulated period of time.…”

Section: Introductionmentioning

confidence: 99%

Improving fault ride-through capability of DFIG based wind generators by using bridge-type superconducting fault current limiter

Hagh

Muttaqi

Sutanto

et al. 2015

2015 50th International Universities Power Engineering Conference (UPEC)

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. (2015). Improving fault ride-through capability of DFIG based wind generators by using bridge-type superconducting fault current limiter. Power Engineering Conference (UPEC), 2015 50th International Universities (pp. 1-6). United States: Institute of Electrical and Electronics Engineers.Improving fault ride-through capability of DFIG based wind generators by using bridge-type superconducting fault current limiter AbstractThis paper proposes series connection of a diode bridge-type superconducting fault current limiter (SFCL) with rotor side converter (RSC) of a double fed induction generator (DFIG) based wind turbine. The proposed SFCL improves the fault ride through (FRT) capability of DFIG and prevents the RSC from damaging fault currents. Because of using superconductor DC coil, there is not any power loss during fault or normal operation of system. The proposed SFCL does not have any considerable affect in wind turbine's operation during normal condition. It is not necessary to use any measurement and control systems, too. The SFCL returns to its normal operation after fault clearing in a very short time without any switching device. The modeling of proposed SFCL is presented based on analytical analysis. Simulation of a 2 MW 690 V DFIG with and without using the proposed SFCL is carried out by PSCAD/EMTDC software. The results show the excellent operation of proposed SFCL in improving the FRT of DFIG based wind turbine. mehrdadh@uow.edu.au, kashem@uow.edu.au, soetanto@uow.edu.au, shahriar@uow.edu.au, ahaidar@uow.edu

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An overview of the present grid codes for integration of distributed generation

Cited by 31 publications

References 0 publications

Progress on Protection Strategies to Mitigate the Impact of Renewable Distributed Generation on Distribution Systems

Progress on Protection Strategies to Mitigate the Impact of Renewable Distributed Generation on Distribution Systems

Possible impacts of the new ENTSO-E network code on distribution power systems in Norway

Improving fault ride-through capability of DFIG based wind generators by using bridge-type superconducting fault current limiter

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