Abstract
Nowadays, due to the increasing number of disasters, improving distribution system resiliency is a new challenging issue for researchers. One of the main methods for improving the resiliency in distribution systems is to supply critical loads after disasters during the power outage and before system restorations. In this paper, a “Sustainable and resilient smart house” is introduced for the first time by using plug-in hybrid electric vehicles (PHEVs). PHEVs have the ability to use their fuel for generating electricity in emergency situations as the Vehicle to Grid (V2G) scheme. This ability, besides smart house control management, provides an opportunity for distribution system operators to use their extra energy for supplying a critical load in the system. The proposed control strategy in this paper is dedicated to a short duration power outage, which includes a large percent of the events. Then, improvement of the resiliency of distribution systems is investigated through supplying smart residential customers and injecting extra power to the main grid. A novel formulation is proposed for increasing the injected power of the smart house to the main grid using PHEVs. The effectiveness of the proposed method in increasing power injection during power outages is shown in simulation results.
Highlights
Disasters are inevitable and have become more frequent and intense because of recent climate changes
Since the main goal in this paper is to study the house control center treatment after the occurrence of the disaster and before power system restoration, it is assumed that plug-in hybrid electric vehicles (PHEVs) do not charge and discharge before disasters and after power system restoration
It can be observed that PHEV has the ability to supply house appliances and inject the extra power to the main grid
Summary
Disasters are inevitable and have become more frequent and intense because of recent climate changes. PHEVs were used for supplying the energy of houses in emergency conditions, assuming that houses were isolated from the main grid In these papers, authors tried to increase the backup duration by smart management and tried to model the accurate consumption of gasoline. It is to be noted that it is assumed that the houses may be able to deliver the extra energy to the main grid This situation occurs in an area that disasters destroy a part of distribution systems and other parts can work, and the main problem is providing energy for the house without power. The power supply in the smart house is assumed to be carried out with a photovoltaic panel (PV), main grid, energy storage system (ESS) discharging, and PHEVs (see Figure 2). Where EPCUHB−ESS is the upper bound of ESS charge rate; EPDUCBH−ESS is the upper bound of ESS discharge rate, and EEEUSBS is the upper bound of ESS energy
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