Abstract
PSO-based PID controller design for an energy conversion system using compressed air
Highlights
The substantial increase in electrical energy consumption in corresponding with today's technological developments has tremendously increased the need for the storage of electrical energy
Batteries and ultra-capacitors are used as electrical energy storage systems while pumped hydropower storage (PHPS), compressed air energy storage (CAES) and flywheels are used as mechanical energy storage systems [1÷3]
Because of the fact that a PMDC motor produced by Femsan Company, which can meet the above-mentioned power and speed characteristics, is used as a generator connected to the pneumatski motor (PM)
Summary
The substantial increase in electrical energy consumption in corresponding with today's technological developments has tremendously increased the need for the storage of electrical energy. CAES is an innovative technology with the highest economic feasibility which can make significant contributions to creating a flexible energy system by combining with renewable energy resources [1, 4] It has been used for a long time in some medium- and highpower scale applications such as electrical power generation and transportation. The velocity of PMs is based on the pressure and flow rate of the input air, and they exhibit a highly non-linear characteristic due to the Tehnički vjesnik 24, 3(2017), 671-679 compressibility of air and the frictions of mechanisms [8] Because of this fact, in the systems working with compressed air, the control of PMs by using advanced control algorithms has a vital importance in terms of whole system performance. The effects of the proposed algorithm on the system performance are evaluated
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