Fuzzy Logic Based Determination of Battery Charging Efficiency Applied to Hybrid Power System
نویسندگان
چکیده
Battery storage system is emerging as an essential component of hybrid power system based on renewable energy resources such as solar and wind in order to make these sources dispatchable. Accurate modeling of battery storage system is essential in order to ensure optimal planning of hybrid power systems incorporating battery storage. Majority of the system planning studies involving battery storage assume battery charging efficiency to be constant. However a strong correlation exists between battery charging efficiency and battery state of charge. In this work a Fuzzy logic based model has been presented for determining battery charging efficiency relative to a particular SOC. In order to demonstrate the efficacy of proposed approach, reliability evaluation studies are carried out for a hypothetical autonomous hybrid power system located in Jaisalmer, Rajasthan, India. The impact of considering battery charging efficiency as a function of state of charge is compared against the assumption of fixed battery charging efficiency for three different configurations comprising of wind-storage, solar-storage and wind-solar-storage. Keywords—Battery Storage, Charging efficiency, Fuzzy Logic, Hybrid Power System, Reliability
منابع مشابه
A Fuzzy Logic Based Energy Management System for a Microgrid
This paper proposes an approach for the hybrid solar photovoltaic and wind power system in Battery management for stand-alone applications. Battery charging process is non-linear, time-varying with a considerable time delay so it is difficult to achieve the best energy management performance by using traditional control approaches. A fuzzy control strategy for battery charging or discharging us...
متن کاملOptimal power management of fuel cell hybrid vehicles
This paper presents a control strategy developed for optimizing the power flow in a Fuel Cell Hybrid Vehicle structure. This method implements an on-line power management based on the optimal fuzzy controller between dual power sources that consist of a battery bank and a Fuel Cell (FC). The power management strategy in the hybrid control structure is crucial for balancing between efficiency an...
متن کاملMPPT Based Photovoltaic High Intensity Discharge Street Lighting System Using Fuzzy Logic Controller
Photovoltaic (PV) systems are increasingly used to generate electric energy from the solar irradiation incident on PV modules. The single ended primary inductance converter (SEPIC) is studied for maximum power point tracking and battery charging. High MPPT accuracy and high conversion efficiency can be achieved for different atmospheric conditions. A pulse-current-charging scheme with adaptive ...
متن کاملA novel fuzzy-logic based control strategy for a semi-active battery/super-capacitor hybrid energy storage system in vehicular applications
A hybrid energy storage system (HESS) composed of a battery and super-capacitor (SC) can make full use of advantages in energy and power density, which can further improve the performance of hybrid electric vehicles (HEV). Most studies have been limited to configuration and control to reduce the burden and prolong the life cycle of the battery, seldom focusing on the redesign of energy manageme...
متن کاملFuzzy-Logic Based Frequency Controller for Wind Farms Augmented With Energy Storage and PV Systems
To improve the primary frequency response in future low-inertia hybrid power system a fuzzylogic based frequency controller (FFC) for wind farms augmented with energy storage systems(wind-storage system) and intelligent PV farms for the frequency stabilization is proposed inthis paper. Using system frequency deviations the proposed controller provides bidirectionalreal p...
متن کامل