A Memorandum of Agreement (MoA) has been signed between POWERGRID & Bharat Heavy Electricals Limited for the development of optical current transformers. The Digital Substation Collaborative R&D Project will work towards the ultimate goal of indigenously created digital substations. The MoA was signed by Shri B. N. De Bhowmick, ED, T&D and Dr. C. N. V. Ramana, GM, Head Corporate R&D, BHEL, Hyderabad in the presence of Shri Avinash M. Pavgi, CGM(IC), SR-I and other senior officials of POWERGRID and BHEL. As part of this MoA, Intelligent Electronic Devices (IEDs) and Optical Current Transformers (OCTs) will be developed which will be validated at POWERGRID Advanced Research & Technology Centre, Manesar and further field trials will be carried out at Bhiwadi 400/220 kV Sub-station of POWERGRID. This will enable the development of indigenous devices for digital Sub-stations.