Testing and Certification Procedure for Distributed Power Generating Units According to the New CEA Regulation for Grid Connectivity in India
In this paper, a testing procedure to determine the electrical characteristics of all types of power generating units (including wind turbines and solar inverters) in accordance to the latest CEA requirements (2019) is proposed. As far as possible, this testing procedure follows the latest international standards and guidelines, and mainly IEC 61400- 21-1. However, some additional specifications are imposed by CEA that need to be sufficiently addressed through dedicated tests. This paper also specifies the type and number of field tests and measurements to be performed, the measurement and evaluation specifications (duration of measurements, statistical evaluation process, etc.) as well as reporting requirements. In some cases, further discussion on the interpretation of certain CEA requirements is included. In addition, this paper contains proposals for the efficient assessment and interpretation of the results to ensure that the final decision is according to CEA requirements. The proposed procedure should replace the one used up to now for more than 5 years that was based on the previous CEA regulation (2013) and is expected to contribute to the fast adoption of the new CEA requirements by all involved parties, speeding up the grid compliance evaluation process followed by the public authorities in India.
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