The phase-to-ground admittance in distribution networks is asymmetric. This asymmetry is aggravated by the arc suppression coil, resulting in zero-sequence overvoltage. The magnitude of zero-sequence ...

Multi-terminal hybrid flexible DC power transmission is an important development direction of DC power transmission in China. Firstly, the structure of the threeterminal HVDC system, the structure of ...

Scientists detected a slow-motion earthquake off Japan, offering rare insight into hidden faults and tsunami risks beneath the seafloor.