2015
DOI: 10.1109/tste.2015.2433794
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Stochastic Distribution System Operation Considering Voltage Regulation Risks in the Presence of PV Generation

Abstract: Variable over voltage, excessive tap counts, and voltage regulator (VR) runaway condition are major operational challenges in distribution network while accommodating generation from photovoltaics (PVs). The conventional approach to achieve voltage control based on offline simulation for voltage set point calculation does not consider forecast errors. In this work, a stochastic optimal voltage control strategy is proposed while considering load and irradiance forecast errors. Stochastic operational risks such … Show more

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Cited by 69 publications
(14 citation statements)
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References 28 publications
(31 reference statements)
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“…To differentiate the 4 4 in (11) from the approximated 4 4 in Assumption-2, the assumed 4 4 is denoted as and 4 4 can be computed as in (12) for each sample. Over a few days of observation, an average of the differences can be calculated for future compensation of 4 4 , which is formulated in (13). As shown in Fig.…”
Section: ) Statistical Unbalance Offset For Bus-4 Voltage Calculationmentioning
confidence: 99%
See 2 more Smart Citations
“…To differentiate the 4 4 in (11) from the approximated 4 4 in Assumption-2, the assumed 4 4 is denoted as and 4 4 can be computed as in (12) for each sample. Over a few days of observation, an average of the differences can be calculated for future compensation of 4 4 , which is formulated in (13). As shown in Fig.…”
Section: ) Statistical Unbalance Offset For Bus-4 Voltage Calculationmentioning
confidence: 99%
“…Once the average value of the difference ( ̅ ) is determined in (13), it can be used in future real-time tap position estimation. First, the angle is decided in the triangle ∆ 5 5 as in (14).…”
Section: ) Tap Position Estimation Based On Full Triangle Calculationmentioning
confidence: 99%
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“…The penetration of renewable energy has dramatically increased over the past decade. However, due to its variable and intermittent nature, it poses operational and security challenges to VVO by affecting normal operations of OLTCs and capacitor banks [6][7][8]. Existing literature has considered renewable power uncertainties in designing economic and reliable periodical equipment scheduling plans.…”
Section: Introductionmentioning
confidence: 99%
“…A two-stage V 3 chance-constrained VVO is employed to handle the uncertainties of distributed generation and load demand [6]. Paper [7] proposes a chance-constrained optimization to model the randomness of renewable energy and minimize feeder power losses while avoiding voltage violations, solved by a gradient descent based algorithm. A hierarchical robust optimization (RO) is adopted for coordinating reactive compensators to guarantee voltage magnitudes [8].…”
Section: Introductionmentioning
confidence: 99%