The report provides engineering details covering possible wind farm electrical layouts, equipment ratings, system grounding, transformer connections and characteristics, harmonics and sub-harmonics analysis, voltage and frequency ride-through requirements, and protective relay. The report provides engineering details covering possible wind farm electrical layouts, equipment ratings, system grounding, transformer connections and characteristics, harmonics and sub-harmonics analysis, voltage and frequency ride-through requirements, and protective relay. Write a report to provide guidance on present relay protection and coordination practices at Wind-powered Electricity generating Plants (WEP). This report covers the engineering considerations for the design of the protection systems intended to protect all the elements that form WEPs. First, the amplitude and attenuation characteristics of short circuit current in different types of wind turbines are analyzed, as well as the contributing factors to. Abstract—A wind electric plant (WEP) is made of many wind turbine generators spread over a large area and includes many subsystems that need to be protected. It is important to ensure that all the subsystems are well protected and coordinated to maximize the reliability (security and dependability). Abstract - The integration of wind farms with the grid is of paramount importance in the quest for harnessing renewable energy sources. These clean energy sources, connected through inverters and flexible transmission systems, are transforming traditional grids based on synchronous generators into more flexibl cant challenges to system stability. Nowhere is that clearer than in the challenge to.