Section 23 in Central Electricity Regulatory Commission (Cross Border Trade of Electricity) Regulations, 2019
23. System Security Aspects.
(1)The interconnection between India and the neighbouring country shall be monitored and controlled by the respective System Operators of the two countries, with proper coordination.(2)No part of the Cross Border Transmission Link shall be isolated from the rest of the system, except,(a)Under an emergency, and conditions in which such isolation would prevent a total grid collapse and/or would enable early restoration of electricity supply; or(b)For safety of human life; or(c)When serious damage to a costly equipment is imminent and such isolation would prevent it; or(d)When such isolation is specifically instructed by the System Operator(s) of either of the two Countries through specific messages exchanged to this effect.(3)Restoration of the cross border interconnection shall be carried out as soon as the conditions permit it. The restoration process shall be supervised by respective country's System Operator.(4)Provision of protection and relay settings shall be coordinated periodically by the Transmission Service Providers of both countries. These settings would be periodically reviewed as and when network configuration changes at either of the ends. If necessary, the respective countries may also put into place System Protection Schemes (SPS) to take care of any contingencies.(5)The Control Centres of the System Operators and the Substation Control Rooms at either ends of the Cross Border Transmission Link shall be manned by adequate and trained manpower at all times to facilitate round the clock operation of the cross border interconnections.(6)Operational planning including outage plan shall be carried out by NLDC and its counterpart in the neighbouring country for secure and reliable operation of the Cross Border Transmission Link.(7)A system of exchanging 'operational codes' shall be evolved and used for exchanging any operating instructions between the System Operators of both the countries.
