Guest Editorial: Challenges and New Solutions for Enhancing Ancillary Services and Grid Resiliency in Low Inertia Power Systems.

The article discusses incentivised by environmental concerns and energy security risks, converter-interfaced generation and a fleet of renewable energy sources have extensively penetrated for the world. Topics include maintaining rate-of-change of-frequency and voltage angle within satisfactory boundaries has critical to prevent unnecessary operation of protective relays; and the proposed control scheme adjusts the droop factors dynamically for the transient events.