Smart Grid, Integration of Renewable Sources and Improvement of Power Quality

The paper presents the impact of connecting Renewable sources to the Smart Grid with regard to improving Power Quality aspects. The impact of integrating renewable sources on Power Quality indices in the grid wes analyzed and the measures for avoiding the negative impact are included in the paper. Challenges coming from the integration of renewables – variability and uncertainty and the correlation with smart grid technologies used in the power system are discussed in detail. Aspects related to the exchange of information among different systems used in the Smart Grid–DMS, SCADA, DFR, OMS, MDMS, security of the grid and security of IT networks have been reached in the work. The final part of the paper contains the authors conclusions on issues addressed in it.