Analyzing Impact of Network Constraints on Feasible Operation Region of the Radial Distribution Networks

Akhtar Hussain Javed; Bart van der Holst; Phuong H. Nguyen; Johan Morren; J.G. (Han) Slootweg

doi:10.1016/j.epsr.2024.110799

Analyzing Impact of Network Constraints on Feasible Operation Region of the Radial Distribution Networks

Akhtar Hussain Javed (Corresponding author), Bart van der Holst, Phuong H. Nguyen, Johan Morren, J.G. (Han) Slootweg

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Abstract

Recently, there has been lot of research on finding the feasible operating region (FOR) of the active distribution network (ADN) to provide ancillary services to the transmission grid. The current focus of research is on finding methods that can accurately determine the shape of the FOR and have fast computation time. However, there is little focus on analyzing how network constraints impact the shape of the FOR. This paper attempts to address this issue and provides a mathematical derivation of how network constraints, such as cable loading and voltage limits, would influence FOR. The approach is based on a linear distflow mathematical analysis. The relations derived in the analysis are verified with numerical simulation on radial low-voltage (LV) and medium-voltage (MV) networks. The results show that cable loading constraints cut the FOR in a circular way and voltage constraints cut the FOR with a straight line of slope −ε, which is the ratio Rn/Xn of the path from root node to the node under analysis of the radial distribution network.

Original language	English
Article number	110799
Number of pages	8
Journal	Electric Power Systems Research
Volume	234
DOIs	https://doi.org/10.1016/j.epsr.2024.110799
Publication status	Published - Sept 2024

Funding

This research work is done under the FAIRPLAY project at Eindhoven University of Technology (TU/e). The funding agency for the project is TKI Urban Energy, The Netherlands. The author acknowledges the financial support from the Fair Open Real-Time Distributed Power Quality Control Project for Low-Voltage Grids (Fair Play), The Netherlands (TEUE419004). This research work is done under the FAIRPLAY project at Eindhoven University of Technology (TU/e). The funding agency for the project is TKI Urban Energy, The Netherlands. The author acknowledges the financial support from the Fair Open Real-Time Distributed Power Quality Control Project for Low-Voltage Grids (Fair Play) ( TEUE419004 ).

Funders	Funder number
Eindhoven University of Technology	TEUE419004

Keywords

TSO-DSO coordination
distribution system
flexibility
ancillary services
power system planning
active distribution network

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title = "Analyzing Impact of Network Constraints on Feasible Operation Region of the Radial Distribution Networks",

abstract = "Recently, there has been lot of research on finding the feasible operating region (FOR) of the active distribution network (ADN) to provide ancillary services to the transmission grid. The current focus of research is on finding methods that can accurately determine the shape of the FOR and have fast computation time. However, there is little focus on analyzing how network constraints impact the shape of the FOR. This paper attempts to address this issue and provides a mathematical derivation of how network constraints, such as cable loading and voltage limits, would influence FOR. The approach is based on a linear distflow mathematical analysis. The relations derived in the analysis are verified with numerical simulation on radial low-voltage (LV) and medium-voltage (MV) networks. The results show that cable loading constraints cut the FOR in a circular way and voltage constraints cut the FOR with a straight line of slope −ε, which is the ratio Rn/Xn of the path from root node to the node under analysis of the radial distribution network.",

keywords = "TSO-DSO coordination, distribution system, flexibility, ancillary services, power system planning, active distribution network",

author = "Javed, {Akhtar Hussain} and {van der Holst}, Bart and Nguyen, {Phuong H.} and Johan Morren and Slootweg, {J.G. (Han)}",

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doi = "10.1016/j.epsr.2024.110799",

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AU - Javed, Akhtar Hussain

AU - van der Holst, Bart

AU - Nguyen, Phuong H.

AU - Morren, Johan

AU - Slootweg, J.G. (Han)

PY - 2024/9

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Analyzing Impact of Network Constraints on Feasible Operation Region of the Radial Distribution Networks

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