Technical Standards for Interconnection Operation of Photovoltaic system shouldn’t cause voltage flicker in Flicker excess of the limits stated in IEC 61000 or other equivalent Indian standards, if any When the Distribution system frequency deviates outside the specified conditions (50.5 Hz on Frequency side and 47.5 Hz on lower side up to 0.2 sec), the Photovoltaic Relevant CEA regulations system shouldn’t energize the grid 2013 and subsequent if and should shift to island mode any, (Technical Standards Photovoltaic system should not for Connectivity of the inject DC power more than 0.5% of distributed generation full rated output at the resource) DC Injection interconnection point. or 1% of rated inverter output current into distribution system under any operating conditions While the output of the inverter is greater than 50%, a lagging power Power Factor factor of greater than 0.9 shall be maintained The Photovoltaic system in the event of voltage or frequency Islanding and variations must island/ disconnect Disconnection itself within IEC standard on stipulated period The inverter should have the facility to automatically switch off in case Overload and of overload or overheating and Overheat should restart when normal conditions are restored
Technical Standards for Interconnection Flicker Operation of Photovoltaic system shouldn’t cause voltage flicker in excess of the limits stated in IEC 61000 or other equivalent Indian standards, if any Relevant CEA regulations 2013 and subsequent if any, (Technical Standards for Connectivity of the distributed generation resource) Frequency When the Distribution system frequency deviates outside the specified conditions (50.5 Hz on side and 47.5 Hz on lower side up to 0.2 sec), the Photovoltaic system shouldn’t energize the grid and should shift to island mode DC Injection Photovoltaic system should not inject DC power more than 0.5% of full rated output at the interconnection point. or 1% of rated inverter output current into distribution system under any operating conditions Power Factor While the output of the inverter is greater than 50%, a lagging power factor of greater than 0.9 shall be maintained Islanding and Disconnection The Photovoltaic system in the event of voltage or frequency variations must island/ disconnect itself within IEC standard on stipulated period Overload and Overheat The inverter should have the facility to automatically switch off in case of overload or overheating and should restart when normal conditions are restored
updated-EOI-inverters-17.4.2015.docx