Multi-energy Microgrid Ability to Provide Flexibility Services to the System Operator and Security of Supply to End-users

Capuder, Tomislav; Kostelac, Matija; Krpan, Matej; Pavić, Ivan

doi:10.1109/sest48500.2020.9203390

Cited by 5 publications

(4 citation statements)

References 15 publications

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“…The PV dynamic model is presented in Figure 5 where the device-side model is subsumed under the PV array. It is also based on the available model in PowerFactory and described by ( 36)-( 39) [61]:…”

Section: Photovoltaic Unitmentioning

confidence: 99%

Three-Stage Modeling Framework for Analyzing Islanding Capabilities of Decarbonized Energy Communities

et al. 2023

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Contrary to microgrids (MGs) for which grid code or legislative support are lacking in the majority of cases, energy communities (ECs) are one of the cornerstones of the energy transition backed up by the EU’s regulatory framework. The main difference is that, unlike MGs, ECs grow and develop organically through citizen involvement and investments in the existing low-voltage (LV) distribution networks. They are not planned and built from scratch as closed distribution systems that are independent of distribution system operator plans as assumed in the existing literature. An additional benefit of ECs could be the ability to transition into island mode, contributing to the resilience of power networks. To this end, this paper proposes a three-stage framework for analyzing the islanding capabilities of ECs. The framework is utilized to comprehensively assess and compare the islanding capabilities of ECs whose organic development is based upon three potential energy vectors: electricity, gas, and hydrogen. Detailed dynamic simulations clearly show that only fully electrified ECs inherently have adequate islanding capabilities without the need for curtailment or additional investments.

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Section: Photovoltaic Unitmentioning

confidence: 99%

Three-Stage Modeling Framework for Analyzing Islanding Capabilities of Decarbonized Energy Communities

et al. 2023

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“…Since the voltage reference for the voltage controller v * o is equal to the measured voltage v o , the voltage amplitude reference v * * can be expressed by (51):…”

Section: B Initialization From Output To Inputmentioning

confidence: 99%

“…Firstly, the PV array model is introduced. Its model is available in DIgSILENT PowerFactory, and described by equations ( 53) -(56) [51]: Secondly, the DC link is necessary to model, due to decoupling DC power and AC power. It also acts as an energy buffer to ride-through power disturbances.…”

Section: A Dynamic Model Of Rooftop Pv Systemmentioning

confidence: 99%

Modeling and Initialization of a Virtual Synchronous Machine for Power System Fundamental Frequency Simulations

Barać

Krpan²,

Capuder

et al. 2021

IEEE Access

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“…For example, in the literatures (Hou et al, 2015;Mortezaei et al, 2015), the prosumer with multiple photovoltaic inverters is established to realize coordinated operation of high renewables and provide voltage and frequency support for the grid while the types of power supply in the prosumer are still not satisfactory. In the literatures (Qiu et al, 2022) and (Capuder et al, 2020), they establish the prosumer with multi-type power generations and the DGs can operate in parallel stably only in normal grid-connected mode. Therefore, the research on the coordinated operation strategy of the prosumer's multiple generations in different modes still needs further study.…”

Section: Introductionmentioning

confidence: 99%

The coordinated operation strategy of multi-type power generations in different modes in prosumer with high renewables

Meng²,

Su³

2023

Front. Energy Res.

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The renewable energy with distributed generation is widely used because of the cleanliness and sustainability. However, when high renewables connect to the grid, the randomness and intermittent of the renewable energy will deteriorate the performance. As the important interface between distributed generations and power grid, the prosumer can contribute to the improvement of the renewable energy penetration if stable and reliable operation of the power supply is realized. The prosumer has multi-type generations, loads and auxiliary converters, where the characteristics interact each other. Moreover, due to the complicated grid states, the prosumer may operate in different conditions. Therefore, the research on the coordinated operation control strategy of the multiple electrical facilities is necessary in the prosumer with high renewables. In this paper, the AC/DC hybrid prosumer is established with multi-type distributed generations, loads and auxiliary converters. The prosumer can operate in normal grid-connected mode and grid-fluctuation mode. In different modes, the cooperation control of the power converter in the prosumer is proposed, which changes according to the grid demands. When over-limited grid voltage and frequency fluctuation are detected in the point of common coupling, the prosumer can switch from normal grid-connected mode to grid-fluctuation mode to provide voltage and frequency support. Finally, the simulation results based on Matlab/Simulink is employed to verify the effectiveness of the proposed control strategy.

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Multi-energy Microgrid Ability to Provide Flexibility Services to the System Operator and Security of Supply to End-users

Cited by 5 publications

References 15 publications

Three-Stage Modeling Framework for Analyzing Islanding Capabilities of Decarbonized Energy Communities

Three-Stage Modeling Framework for Analyzing Islanding Capabilities of Decarbonized Energy Communities

Modeling and Initialization of a Virtual Synchronous Machine for Power System Fundamental Frequency Simulations

The coordinated operation strategy of multi-type power generations in different modes in prosumer with high renewables

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