Netzplanung und Netzberechnung

Crastan, Valentin; Westermann, Dirk

doi:10.1007/978-3-642-20100-4_6

Cited by 2 publications

(4 citation statements)

References 1 publication

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“…The short-term security of energy supply includes operational aspects that ensure the quality of supply. The long-term security of energy supply includes the strategic aspects of the grid infrastructure, primary energy, load and generator structure and the energy policy framework [7] (pp. 205-206).…”

Section: Security Of Energy Supplymentioning

confidence: 99%

“…Reliability of energy supply describes the demand-based supply under specified conditions over a specific time. Planned (e.g., maintenance, servicing) and unplanned (e.g., operational and weather-related faults) interruptions affect the reliability of energy supply [7] (pp. 207-208), [9] (pp.…”

Section: Security Of Energy Supplymentioning

confidence: 99%

“…The commercial quality of the tradable product describes the quality of all transactions (e.g., the establishment of contractual relationships) between an energy supply company (ESC) and a customer in an existing market. Elementary subject areas of commercial quality are data protection and IT security [7] (p. 202).…”

Section: Security Of Energy Supplymentioning

confidence: 99%

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Assessment of Grid and System Supportability Based on Spatio-Temporal Conditions—Novel Key Performance Indicators for Energy System Evaluation

Waurisch,

Bargen,

Ploczicki

et al. 2024

Energies

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The energy transition introduces new technical standards, laws and regulations regarding the stability and reliability of energy grids and systems. Due to the non-existence of a measuring standard, key performance indicators (KPIs) were developed to enable the measurement and comparison of individual energy grid (namely electricity, heat and gas grid) and system supportabilities while also promoting well-founded decision-making and optimization efforts. Inconsistencies in definitions concerning fundamental energy terms and the correlations between them inhibit the effective usage of the KPIs. Therefore, the overarching issue of the security of energy supply and its related subjects were also approached. The primary subject of this paper is the development of two new KPIs to measure and compare the energy grid and system supportability. These KPIs are based on spatio-temporal conditions in their respective grids. The usage and benefits of the developed KPIs are exemplarily highlighted by analyzing the impact of a scenario with the integration of a large-scale heat pump into the electricity and heat grid. The energy grid supportability is determined for each grid, whereas the energy system supportability takes the interactions of the electricity and heat grid into account. The developed KPIs are intended to enable stakeholders to identify areas with optimization potential in energy grids and systems. Moreover, the KPIs can be used to create a standardized evaluation method for regulatory requirements.

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Section: Security Of Energy Supplymentioning

confidence: 99%

Section: Security Of Energy Supplymentioning

confidence: 99%

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Assessment of Grid and System Supportability Based on Spatio-Temporal Conditions—Novel Key Performance Indicators for Energy System Evaluation

Waurisch,

Bargen,

Ploczicki

et al. 2024

Energies

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show abstract

“…Thus, the investigated grid is transferred from grid parallel operation to island grid operation. According to [6] and [7], this setup corresponds to a typical microgrid.…”

Section: Trial Grid Setupmentioning

confidence: 99%

Verification of the uninterrupted transition from grid parallel to island grid operation of the Virtual Synchronous Machine in a microgrid

Reineke¹,

Turschner²,

Hauer³

et al. 2023

RE&PQJ

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The classic energy supply system is mainly based on the stabilising properties of electromechanical synchronous generators. The structural change of the electrical energy supply system towards a decentralised grid structure means that ancillary services must now also be provided at the distribution grid level. The Virtual Synchronous Machine (VISMA) was developed at the Institute of Electrical Power Engineering at the Clausthal University of Technology with the aim of making a decentralised generation unit in the grid behave like a real synchronous machine and thus actively provide relevant ancillary services. The VISMA is based on a three-phase inverter that can comply with grid requirements by adding an energy storage device in the DC link and using a special control algorithm. The focus of the investigations shown here is on the uninterrupted transition from grid-parallel operation of the VISMA to island grid operation and the subsequent stable continued operation of this island grid. A controller changeover, as most feed-in inverters would require in order to change the operating mode, is not necessary here. It is shown that the transients have subsided after 5 ms, which means that the VISMA has completely taken over the

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Netzplanung und Netzberechnung

Cited by 2 publications

References 1 publication

Assessment of Grid and System Supportability Based on Spatio-Temporal Conditions—Novel Key Performance Indicators for Energy System Evaluation

Assessment of Grid and System Supportability Based on Spatio-Temporal Conditions—Novel Key Performance Indicators for Energy System Evaluation

Verification of the uninterrupted transition from grid parallel to island grid operation of the Virtual Synchronous Machine in a microgrid

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