Abstract: The stage division and state recognition during ac contactor degradation process is an important prerequisite for realizing its self-perception. In the recognition of its degradation state, ...

Abstract: For three-phase alternating current (ac) contactors, the degradation of switching performance is affected by the accumulated arc erosion on contacts seriously. The direct consequence is the ...

What are the conditions in democratic governance that make information and communication technology (ICT)-mediated citizen engagement transformative? While substantial scholarship exists on the role ...