Grid Edge Control: A new approach for volt-var optimization

Moghe, Rohit; Tholomier, D.; Divan, Deepak; Schatz, Joe; Lewis, Dexter

doi:10.1109/tdc.2016.7519895

Cited by 31 publications

(13 citation statements)

References 2 publications

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“…To address these challenges, LV VCs have been developed, which use power electronics-based, fast-acting, decentralized shunt-var technology for voltage regulation. Each device is connected to the secondary-side of a pole-or pad-mounted service transformer to tightly regulate the voltage (±0.5% within a set-point) at local and feeder-wide by injecting or consuming 0 to 10 kvar [109]. When the voltage goes below the set-point, the LV VC will inject incremental capacitive vars to boost the voltage; when the voltage goes higher than the setpoint it will remove the incremental capacitive vars to reduce the voltage, thus tightly regulating the local voltage.…”

Section: E Voltage Control By Low Voltage Var Controllers (Lv Vcs)mentioning

confidence: 99%

Review of Challenges and Research Opportunities for Voltage Control in Smart Grids

Sun

Guo

et al. 2019

IEEE Trans. Power Syst.

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339

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In this paper, we review the emerging challenges and research opportunities for voltage control in smart grids. For transmission grids, the voltage control for accommodating wind and solar power, fault-induced delayed voltage recovery (FIDVR), and measurement-based Thévenin equivalent for voltage stability analysis are reviewed. For distribution grids, the impact of high penetration of distributed energy resources (DER) is analyzed, typical control strategies are reviewed, and the challenges for local inverter Volt-Var control is discussed. In addition, the motivation, state-of-art, and future directions of the coordination of transmission system operators (TSO) and distribution system operators (DSO) are also thoroughly discussed.

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Section: E Voltage Control By Low Voltage Var Controllers (Lv Vcs)mentioning

confidence: 99%

Review of Challenges and Research Opportunities for Voltage Control in Smart Grids

Sun

Guo

et al. 2019

IEEE Trans. Power Syst.

Self Cite

339

View full text Add to dashboard Cite

show abstract

“…VO schemes typically leverage voltage control devices that are operated based on central control schemes to optimize voltage levels on circuit. Previous research has shown that controlling local voltage at the secondary level is paramount to maximizing the benefits of voltage reduction programs [1], [2]. Because of this need to control the secondary voltage, distributed PV paired with smart inverters can be utilized to actively regulate local voltage in order to strengthen a utility CVR program.…”

Section: Overviewmentioning

confidence: 99%

“…Because of this need to control the secondary voltage, distributed PV paired with smart inverters can be utilized to actively regulate local voltage in order to strengthen a utility CVR program. In addition to reducing energy consumption, distributed PV with smart inverters has the ability to improve grid operations and power quality [2], [4].…”

Section: Overviewmentioning

confidence: 99%

Photovoltaic Impact Assessment of Smart Inverter Volt-VAR Control on Distribution System Conservation Voltage Reduction and Power Quality

Ding

Nagarajan

Chakraborty

et al. 2016

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“…Another approach is through the use of fast-acting distributed power electronics devices at the grid edge to achieve volt-var control [44]. The edge-of-network grid optimization (ENGO™) devices are basically low-cost fast acting switched capacitor solution.…”

Section: Grid Edge Volt-var Devicesmentioning

confidence: 99%

Distributed Power Electronics: An Enabler for the Future Grid

Divan¹,

Kandula²

2016

CPSS TPEA

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Rapidly decreasing prices for renewable energy, increasing industrialization and electrification of the global economy, and a worldwide focus on reducing carbon emissions, is causing a reexamination of the power system of the future. A reliance on centralized planning and control, scheduled and dispatched generation, and unidirectional power flows, allowed the design of a robust and scalable power system, that did not require dynamic controls infused into the grid. As a result, the existing grid, the most complex machine built by man, has been the driver of sustained global economic growth for well over a century. Increasing levels of variable and non-dispatchable renewable energy resources mixed into the grid, bidirectional power flows resulting from a dramatic increase in the number of prosumers ('producer + consumer'), are adding complexity, volatility and economic inefficiency to grid operations, making grid control with conventional centralized technologies very challenging. This paper looks at the role that distributed power electronics could play in the grid of the future, allowing a costeffective approach to grid control that can help achieve global objectives of operating with high renewable penetration.

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Grid Edge Control: A new approach for volt-var optimization

Cited by 31 publications

References 2 publications

Review of Challenges and Research Opportunities for Voltage Control in Smart Grids

Review of Challenges and Research Opportunities for Voltage Control in Smart Grids

Photovoltaic Impact Assessment of Smart Inverter Volt-VAR Control on Distribution System Conservation Voltage Reduction and Power Quality

Distributed Power Electronics: An Enabler for the Future Grid

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