Determination of Optimum Performance Strategy of Energy Storage in Power System

Subject Areas : Renewable energy

Mohammad Hosein  Ranjbari ¹ (Department of Electrical Engineering, Tafresh University, Tafresh, Iran)
Rezvaneh  Dalili ² (Department of Electrical Engineering, Tafresh University, Tafresh, Iran)
Mojtaba  Pishvaei ³ (دانشکده مهندسی برق- دانشگاه تفرش، تفرش، ایران)

Received: 2015-12-01 Accepted : 2016-05-08 Published : 2016-07-01

Keywords: Energy storage, Second-order non linear programming, Optimal capacity, Reduction of exploitation cost, Reduced peak load,

Abstract :

Determination of optimal capacity for today energy storages has been specially noticed. The delay in increasing storage production capacity is one of the applications for energy storage supplies in which utilization from energy storage supplies along with improvement in the power status at peak hours of consumption may postpone the demand for installation of a new power plant module. In this essay, the optimal capacity of energy storage is determined in order to reduce exploitation costs by second-order non linear programming. This method expresses this problem with a target quadratic function based on the produced power of units and capacity of energy storage supply. The requirements have been modeled as linear equality and inequality equations. The related constraints for produced power and incremental and decremental power ratio in generators have been considered as well.

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