Challenges in integration of renewal energy to grid – a Holistic approach by improving technical requirements as well as Promotion of new technologies for grid stability and reliability Chauhan B.B., Sheth N.M., Patel D.H., Kalsaria D.H. Gujarat Energy Transmission Corporation Limited, Vadodara Online published on 10 May, 2019. Abstract In the initial phase of integration of RE into the power system, the share of this type of generation was relatively small compared to the existing generation, not being compelled the need for specific requirements for both voltage and frequency control as it is not affecting steady state or dynamic stability of the power system. At low levels of penetration, existing resources of voltage and frequency control, as well as the available reserves, were generally adequate to make of little relevance the associated effects of the inherently variable characteristic of RE. However, due to the substantial increase in the levels of penetration of RE power plants, structural changes in operational procedures as well as changes in technical requirements are already initiated by various governing body and power system is being managed with challenges and constraints. Looking to above present scenario and future challenges in Indian context, there is a need to have some mechanisms/processes as holistic multidimensional approach in mitigating them by means of balancing mechanism and to have seamless integration of RE. Following aspects are discussed: (i) Improvement in technical requirement for grid connectivity (ii) Promotion of Grid ancillary services & grid support technologies and (iii) Competence building in the areas of power system study, modelling and simulation with latest tools and techniques. Apart from above, system planning engineering practices should be improved considering above aspects and to build the system only after thorough simulation, modelling and planning of balancing mechanisms is any. This paper discusses various aspects of above approaches envisaging overall system requirement based on review and analysis of various mitigating measures adopted by RE rich countries across the globe. Author proposes that, industry stake holders along with governing body should sit together and to derive a mechanism for RE integration and promotion of new grid support technologies in the benefit of industry and nation as a whole in building stable & reliable grid. Top Keywords LVRT- Low voltage ride through, WTG-Wind turbine generator, EMT –Electromagnetic Transient, TSO-Transmission system operator, WECC- Western Electricity Coordinating Council. Top |