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The effective way of energy transmission plays a key factor in improving the overall transmission systems efficiency. Many methods are proposed to control the reactive power flow, voltage fluctuations and power factor improvement, The…

Systems and Control · Electrical Eng. & Systems 2020-10-06 Appalabathula Venkatesh , Shankar Nalinakshan , S S Kiran , Pradeepa H

In order to reduce the energy cost of data centers, recent studies suggest distributing computation workload among multiple geographically dispersed data centers, by exploiting the electricity price difference. However, the impact of data…

Systems and Control · Computer Science 2016-08-23 Hao Wang , Jianwei Huang , Xiaojun Lin , Hamed Mohsenian-Rad

Increasing adoption of smart meters and phasor measurement units (PMUs) in power distribution networks are enabling the adoption of data-driven/model-less control schemes to mitigate grid issues such as over/under voltages and power-flow…

Systems and Control · Electrical Eng. & Systems 2023-04-27 Rahul Gupta , Mario Paolone

Modern power systems increasingly demand converter-driven generation systems that integrate seamlessly with grid infrastructure. Grid-based converters are particularly advantageous, as they operate in harmony with conventional synchronous…

Systems and Control · Electrical Eng. & Systems 2024-09-19 Somayeh Mehri Boroojeni , Ehsan Sharafoddin

For active distribution networks (ADNs) integrated with massive inverter-based energy resources, it is impractical to maintain the accurate model and deploy measurements at all nodes due to the large-scale of ADNs. Thus, current models of…

Systems and Control · Electrical Eng. & Systems 2021-06-18 Tong Xu , Wenchuan Wu , Yiwen Hong , Junjie Yu , Fazhong Zhang

Voltage control generally requires accurate information about the grid's topology in order to guarantee network stability. However, accurate topology identification is a challenging problem for existing methods, especially as the grid is…

Systems and Control · Electrical Eng. & Systems 2022-06-30 Christopher Yeh , Jing Yu , Yuanyuan Shi , Adam Wierman

High-voltage direct current (HVDC) is an increasingly commonly used technology for long-distance electric power transmission, mainly due to its low resistive losses. In this paper the voltage-droop method (VDM) is reviewed, and three novel…

Optimization and Control · Mathematics 2015-12-14 Martin Andreasson , Dimos V. Dimarogonas , Henrik Sandberg , Karl H. Johansson

In this paper, an actuator active fault-tolerant controller (FTC) is proposed for the voltage source converter (VSC) which interfaces a distributed energy resource (DER) to the power grid. The proposed active FTC includes two units:…

Optimization and Control · Mathematics 2019-03-12 Behnam Khaki , Heybet Kiliç , Musa Yilmaz

The growing integration of distributed energy resources into distribution systems poses challenges for voltage regulation. Dynamic VAR Compensators (DVCs) are a new generation of power electronics-based Volt/VAR compensation devices…

Systems and Control · Electrical Eng. & Systems 2023-09-13 Han Pyo Lee , Keith DSouza , Ke Chen , Ning Lu , Mesut Baran

In the past decade, the landscape of energy production has had to shift to accommodate renewables. Which, unlike fossil fuels, are subject to frequent fluctuations; potentially destabilizing grid operators. With the continued demand for…

Optimization and Control · Mathematics 2016-12-06 Ashkan Zeinalzadeh , Reza Ghorbani , James Yee

This paper proposes a tractable distributionally robust chance-constrained conservation voltage reduction (DRCC-CVR) method with enriched data-based ambiguity set in unbalanced three-phase distribution systems. The increasing penetration of…

Systems and Control · Electrical Eng. & Systems 2022-07-08 Qianzhi Zhang , Fankun Bu , Yi Guo , Zhaoyu Wang

Voltage control plays an important role in the operation of electricity distribution networks, especially with high penetration of distributed energy resources. These resources introduce significant and fast varying uncertainties. In this…

Optimization and Control · Mathematics 2018-11-07 Pan Li , Baihong Jin , Dai Wang , Baosen Zhang

The energy landscape for the Low-Voltage (LV) networks are beginning to change; changes resulted from the increase penetration of renewables and/or the predicted increase of electric vehicles charging at home. The previously passive…

Machine Learning · Computer Science 2019-06-21 Maizura Mokhtar , Valentin Robu , David Flynn , Ciaran Higgins , Jim Whyte , Caroline Loughran , Fiona Fulton

In this paper, we address the problem of coordinating a set of distributed energy resources (DERs) to regulate voltage in power distribution systems to desired levels. To this end, we formulate the voltage control problem as an optimization…

Optimization and Control · Mathematics 2020-06-09 Hanchen Xu , Alejandro D. Domínguez-García , Peter W. Sauer

As more distributed energy resources (DERs) are connected to the power grid, it becomes increasingly important to ensure safe and effective coordination between legacy voltage regulation devices and inverter-based DERs. In this work, we…

Systems and Control · Electrical Eng. & Systems 2022-04-05 Jaimie Swartz , Federico Celi , Fabio Pasqualetti , Alexandra von Meier

We present enhancements to the TCP-Friendly Rate Control mechanism (TFRC) designed to better handle the intermittent connectivity occurring in mobility situations. Our aim is to quickly adapt to new network conditions and better support…

Networking and Internet Architecture · Computer Science 2013-10-22 Olivier Mehani , Roksana Boreli , Guillaume Jourjon , Thierry Ernst

Smart inverters have been advocated as a fast-responding mechanism for voltage regulation in distribution grids. Nevertheless, optimal inverter coordination can be computationally demanding, and preset local control rules are known to be…

Optimization and Control · Mathematics 2019-09-26 Mana Jalali , Vassilis Kekatos , Nikolaos Gatsis , Deepjyoti Deka

High-voltage direct current (HVDC) transmission applications and the growth of the dynamic load in large-scale receiving-end grids lead to a higher risk of short-term voltage instability. An effective way to address this problem is to…

Systems and Control · Electrical Eng. & Systems 2022-09-07 Yinhong Lin , Huaichang Ge , Bin Wang , Qinglai Guo , Hongbin Sun

Increasingly stringent throughput and latency requirements in datacenter networks demand fast and accurate congestion control. We observe that the reaction time and accuracy of existing datacenter congestion control schemes are inherently…

Networking and Internet Architecture · Computer Science 2021-12-30 Vamsi Addanki , Oliver Michel , Stefan Schmid

Recent advances in data sensing and processing technologies enable data-driven control of high-voltage direct-current (HVDC) systems for improving the operational stability of interfacing power grids. This paper proposes an optimal…

Systems and Control · Electrical Eng. & Systems 2020-12-15 Young-Jin Kim
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