Cost and reliability oriented design of the converter for small wind power plant

The paper presents methodology of designing the converter for energy transfer from small wind power plant to common grid. The design considers the opposed requirements of minimum power loss, maximum operation reliability and minimum capital cost of the system. The solution consists in suitable aggregating the separate requirements in one generalised optimisation criterion as well as in using twoexponential desirability function for reliability evaluation and the effective optimisation method in order to decrease the simulation number.