Integration of France into the International Grid Control Cooperation

Cronenberg, Andreas; Seeger, Nick; Willemsen, Sebastian

doi:10.1109/energycon.2016.7514085

Cited by 4 publications

(2 citation statements)

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“…The Imbalance Netting Process (INP) was implemented with the involvement of four German TSOs in 2008 [16]. The activation of the regulating reserve is thus reduced in addition to the reduced financial costs [17]. Shortly after that, international extensions were made, and the GCC developed into the International GCC (IGCC) [18], [19].…”

Section: T Chimentioning

confidence: 99%

Improving the Cross-Border Activation of the Regulating Reserve to Enhance the Provision of Load-Frequency Control

2020

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This paper presents the Cross-Border activation of the Regulating Reserve (CBRR) between participating Control Areas (CAs), which is being developed to reduce the costs of balancing energy. The main objective of the CBRR is to activate the regulating reserve in participating CAs, to release the regulating reserve and to reduce the balancing energy as part of the safe operation of the power system. However, the classic CBRR includes a frequency term and, therefore, inherently affects the frequency response of the participating CAs, which is not discussed in the literature. In this paper, the impact of the classic CBRR on frequency quality and the provision of Load-Frequency Control (LFC) is thoroughly evaluated with dynamic simulations of a three-CA test system and an eigenvalue analysis of a two-CA system. It is clearly demonstrated that the classic CBRR reduces the damping of the entire power system. Therefore, a modified implementation of the classic CBRR is presented, and a modified CBRR is proposed, which has no impact on the system's eigendynamics. Furthermore, the results of the dynamic simulations confirm that the frequency quality can be improved by the classic CBRR, although there are also cases where it can deteriorate. However, the modified CBRR improves the frequency quality in all cases. The modified CBRR also improves the indicators for the provision of LFC compared to the classic CBRR. Moreover, the modified CBRR reduces the unintended exchange of energy and the demand power, thus increasing the financial effects of the CBRR's activation. INDEX TERMS Balancing energy, Cross-Border activation, eigenvalue analysis, Load-Frequency Control, regulating reserve. NOMENCLATURE N Number of participating CAs. ACE i , ACE i , ACE * i

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Section: T Chimentioning

confidence: 99%

Improving the Cross-Border Activation of the Regulating Reserve to Enhance the Provision of Load-Frequency Control

2020

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“…To avert the activation of the RRs with different signs in the cooperating CAs, and thus reduce the RRs, a grid-control cooperation (GCC) platform was implemented in Germany, where four transmission system operators (TSOs), i.e., 50 Hertz, Amprion, TenneT, and TransnetBW have been collaborating since 2008 [5]. In the following years, many continental European countries joined and the GCC platform developed into the international GCC (IGCC) platform, with the aim to further reduce RRs and increase the reliability of the power system's operation [6][7][8][9]. Hence, the INP was developed and put in operation, where the cooperating CAs with different signs of power variations can exchange the balancing energy and thus compensate the power variations [10,11].…”

Section: Introduction 1motivation and Literature Reviewmentioning

confidence: 99%

Evaluation of the Simultaneous Operation of the Mechanisms for Cross-Border Interchange and Activation of the Regulating Reserves

Topler

Polajžer

2021

Applied Sciences

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This article examines the mechanisms for cross-border interchange of the regulating reserves (RRs), i.e., the imbalance-netting process (INP) and the cross-border activation of the RRs (CBRR). Both mechanisms are an additional service of frequency restoration reserves in the power system and connect different control areas (CAs) via virtual tie-lines to release RRs and reduce balancing energy. The primary objective of the INP is to net the demand for RRs between the cooperating CAs with different signs of interchange power variation. In contrast, the primary objective of the CBRR is to activate the RRs in the cooperating CAs with matching signs of interchange power variation. In this way, the ancillary services market and the European balancing system should be improved. However, both the INP and CBRR include a frequency term and thus impact the frequency response of the cooperating CAs. Therefore, the impact of the simultaneous operation of the INP and CBRR on the load-frequency control (LFC) and performance is comprehensively evaluated with dynamic simulations of a three-CA testing system, which no previous studies investigated before. In addition, a function for correction power adjustment is proposed to prevent the undesirable simultaneous activation of the INP and CBRR. In this way, area control error (ACE) and scheduled control power are decreased since undesired correction is prevented. The dynamic simulations confirmed that the simultaneous operation of the INP and CBRR reduced the balancing energy and decreased the unintended exchange of energy. Consequently, the LFC and performance were improved in this way. However, the impact of the INP and CBRR on the frequency quality has no unambiguous conclusions.

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Impact of Imbalance Netting Cooperation on Frequency Quality and Provision of Load-Frequency Control

Topler

Ritonja

Brezovnik

et al. 2019

2019 IEEE International Conference on Environment and Electrical Engineering and 2019 IEEE Industrial and Commercial Power Syst

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Integration of France into the International Grid Control Cooperation

Cited by 4 publications

References 0 publications

Improving the Cross-Border Activation of the Regulating Reserve to Enhance the Provision of Load-Frequency Control

Improving the Cross-Border Activation of the Regulating Reserve to Enhance the Provision of Load-Frequency Control

Evaluation of the Simultaneous Operation of the Mechanisms for Cross-Border Interchange and Activation of the Regulating Reserves

Impact of Imbalance Netting Cooperation on Frequency Quality and Provision of Load-Frequency Control

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