Influence of system protection to estonian power system security

In this paper the current system protection influence to Estonian power system security is observed and future needs are discussed and analysed. Due to the changes in Baltic region power generation together with increasing demand and changes in the directions of the power flows, but also due to the planning and building of new interconnections new solutions that consider different limitations must be developed and thoroughly analysed in order to secure the Estonian power system security. This topic is extremely important and in this paper first steps in this field from the perspective of Estonian power system are covered.