More than a century after the discovery of superconductors (SCs), numerous studies have
been accomplished to take advantage of SCs in physics, power engineering, quantum …

The active distribution networks have a tendency to develop toward hybrid ac–dc systems
constructed by power electronics, the magnitude and direction of power may change …

Power electronic transformer (PET) has received extensive attention and research for its
flexible control and diverse applications. However, it is difficult to achieve real-time …

Power electronic transformer (PET) should have a satisfying low‐voltage ride‐through
(LVRT) ability to cope with different kinds and severities of voltage sags. To solve the LVRT …

Resistive-type superconducting fault current limiters (r-SFCLs) have generated great interest
for research and technical applications. This is attributed to their superior features, which …

The virtual synchronous generator (VSG) technology equips power inverters with virtual
inertia and damping to access generation and storage more friendly. However, the VSG's …

The increasing penetration of renewable energy sources (RESs) into electrical networks
offers several interesting opportunities and challenges. One such opportunity is the …

Cascaded H‐bridge power electronic transformers (CHB‐PET) can efficiently connect
AC/DC distribution networks, realizing power transmission and electric energy conversion …

A succession of converter transformer rupture and explosion accidents originating from
internal short-circuit faults have aroused wide concern. In these cases, limited by the …

When an oil-immersed transformer experiences an external short-circuit fault, the current
flowing through the windings increases abruptly. The large electromagnetic forces …