首页|An Optimization Model for Reliability Improvement and Cost Reduction Through EV Smart Charging
An Optimization Model for Reliability Improvement and Cost Reduction Through EV Smart Charging
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There is a general concern that the increasing pene-tration of electric vehicles(EVs)will result in higher aging fail-ure probability of equipment and reduced network reliability.The electricity costs may also increase,due to the exacerbation of peak load led by uncontrolled EV charging.This paper pro-poses a linear optimization model for the assessment of the ben-efits of EV smart charging on both network reliability improve-ment and electricity cost reduction.The objective of the pro-posed model is the cost minimization,including the loss of load,repair costs due to aging failures,and EV charging expenses.The proposed model incorporates a piecewise linear model rep-resentation for the failure probability distributions and utilizes a machine learning approach to represent the EV charging load.Considering two different test systems(a 5-bus network and the IEEE 33-bus network),this paper compares aging fail-ure probabilities,service unavailability,expected energy not supplied,and total costs in various scenarios with and without the implementation of EV smart charging.
Aging failureelectric vehicle(EV)EV charg-ingpower system reliabilityexpected energy not supplieddis-tribution network
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