1、Co-published by Kehua Digital Energy and Energy-Storage.news,with technical verification by TV Rheinland.Enhancing system stability through grid-forming energy storage technologiesWHITE PAPER2Grid-forming technologies have historically enabled microgrids to operate as islanded,self-contained energy
2、systems and to lead the way in integrating very high shares of variable renewable energy(VRE).At Energy-Storage.news,which launched in 2014,we have written about grid-forming for more than 10 years in this context.Recognition that thermal generation could be used primarily for backup,if at all,and n
3、ot to run continuously to actively stabilise the grid,became a reality at megawatt-scale on remote islands and industrial facilities.Gradually,that recognition has spread.Regulators and systems planners are becoming acutely aware that this new paradigm of grid-forming(GFM)versus grid-following(GFL)p
4、lays a significant role in setting the voltage and frequency of electricity networks.GFM has been written into codes and requirements first in regions where the need has been the most urgent and immediate due to renewable energy adoption rates on relatively weak grids,or grids without major intercon
5、nection to other regions,such as Australia or Texas.However,anywhere that thermal generation is retiring,for policy,economic,or technical reasons,we must replace not just the energy it provides,but also the inertia,short-circuit ratio(SCR),voltage control and even black start capabilities that grids
6、 have also relied on the rotating mass of spinning turbines for decades.For instance,in considering the coming decades of power sector modernisation and the rise of inverter-based resources such as solar PV and wind,ENTSO-E,the European transmission system operators network,has already published dra