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class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2409.19995">arXiv:2409.19995</a> <span> [<a href="https://arxiv.org/pdf/2409.19995">pdf</a>, <a href="https://arxiv.org/format/2409.19995">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Systems and Control">eess.SY</span> </div> </div> <p class="title is-5 mathjax"> A Screening Method for Power System Inertia Zones Identification </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/?searchtype=author&query=Prasad%2C+%7B">{Rashmi Prasad</a>, <a href="/search/?searchtype=author&query=Vergara%2C+P+P">Pedro P. Vergara</a>, <a href="/search/?searchtype=author&query=Padhy%2C+N+P">Narayana Prasad Padhy</a>, <a href="/search/?searchtype=author&query=Dimitrovski%2C+R">Robert Dimitrovski</a>, <a href="/search/?searchtype=author&query=Leki%C4%87%2C+A">Aleksandra Leki膰</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2409.19995v1-abstract-short" style="display: inline;"> The heterogeneous distribution of frequency support from dispersed renewable generation sources results in varying inertia within the system. The effects of disturbances exhibit non-uniform variations contingent upon the disturbance's location and the affected region's topology and inertia. A screening method for inertia-zone identification is proposed considering the combination of network struct… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2409.19995v1-abstract-full').style.display = 'inline'; document.getElementById('2409.19995v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2409.19995v1-abstract-full" style="display: none;"> The heterogeneous distribution of frequency support from dispersed renewable generation sources results in varying inertia within the system. The effects of disturbances exhibit non-uniform variations contingent upon the disturbance's location and the affected region's topology and inertia. A screening method for inertia-zone identification is proposed considering the combination of network structure and generator inertia distribution that will aid in comprehending the response of nodes to disturbances. The nodes' dynamic nodal weight (DNW) is defined using maximal entropy random walk that defines each node's spreading power dynamics. Further, a modified weighted kmeans++ clustering technique is proposed using DNW to obtain the equivalent spatial points of each zone and the system to parameterize the inertia status of each zone. The impact of the proposed scheme is justified by simulating a modified IEEE 39 bus system with doubly-fed induction generator (DFIG) integration in the real-time digital simulator. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2409.19995v1-abstract-full').style.display = 'none'; document.getElementById('2409.19995v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 30 September, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> PESGM 2024 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2207.11700">arXiv:2207.11700</a> <span> [<a href="https://arxiv.org/pdf/2207.11700">pdf</a>, <a href="https://arxiv.org/format/2207.11700">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Systems and Control">eess.SY</span> </div> </div> <p class="title is-5 mathjax"> A Novel Decentralized Inverter Control Algorithm for Loss Minimization and LVRT Improvement </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/?searchtype=author&query=Murzakhanov%2C+I">Ilgiz Murzakhanov</a>, <a href="/search/?searchtype=author&query=Vishwanath%2C+G+M">Gururaj Mirle Vishwanath</a>, <a href="/search/?searchtype=author&query=Kasi%2C+V">Vemalaiah Kasi</a>, <a href="/search/?searchtype=author&query=Prashal%2C+G">Garima Prashal</a>, <a href="/search/?searchtype=author&query=Chatzivasileiadis%2C+S">Spyros Chatzivasileiadis</a>, <a href="/search/?searchtype=author&query=Padhy%2C+N+P">Narayana Prasad Padhy</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2207.11700v3-abstract-short" style="display: inline;"> Algorithms that adjust the reactive power injection of converter-connected RES to minimize losses may compromise the converters' fault-ride-through capability. This can become crucial for the reliable operation of the distribution grids, as they could lose valuable resources to support grid voltage at the time they need them the most. This paper explores how two novel loss-minimizing algorithms ca… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2207.11700v3-abstract-full').style.display = 'inline'; document.getElementById('2207.11700v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2207.11700v3-abstract-full" style="display: none;"> Algorithms that adjust the reactive power injection of converter-connected RES to minimize losses may compromise the converters' fault-ride-through capability. This can become crucial for the reliable operation of the distribution grids, as they could lose valuable resources to support grid voltage at the time they need them the most. This paper explores how two novel loss-minimizing algorithms can both achieve high reduction of the system losses during normal operation and remain connected to support the voltage during faults. The algorithms we propose are decentralized and model-free: they require no communication and no knowledge of the grid topology or the grid location of the converters. Using local information, they control the reactive power injection to minimize the system losses. In this paper, we extend these algorithms to ensure the low voltage ride through (LVRT) capability of the converters, and we integrate them with state-of-the-art Wavelet-CNN-LSTM RES forecasting methods that enhance their performance. We perform extensive simulations on the real-time digital simulation (RTDS) platform, where we demonstrate that the algorithms we propose can achieve a substantial decrease in power losses while remaining compliant with the grid codes for LVRT makes them suitable for the implementation across the distribution system. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2207.11700v3-abstract-full').style.display = 'none'; document.getElementById('2207.11700v3-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 5 March, 2023; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 24 July, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2022. </p> </li> </ol> <div class="is-hidden-tablet">  <span class="help" style="display: inline-block;"><a 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