资讯

IEEE20 小时
Proposals and Analysis of Space Vector-Based Phase-Locked-Loop Techniques for ... - IEEE Xplore
Abstract: Space vector (SV)-based estimation algorithms represent attractive methods for synchronized phasor, frequency, and rate of change of frequency measurements in three-phase ac power systems.
insider.si.edu1 天
National Air and Space Museum - Smithsonian Institution
MetroAccess. To provide an address for MetroAccess Paratransit, please use 600 Independence Ave., SW.. We encourage the use of Metrorail and Metrobus.. Metrorail. Metro Station: L'Enfant Plaza ...