Sökning: "Lidong Zhang"

Hittade 2 avhandlingar innehållade orden Lidong Zhang.

1. 1. Three-phase unbalance of voltage dips

   Författare :Lidong Zhang; Chalmers tekniska högskola; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; equipment immunity test; power quality; characterisation; power systems; field measurement; voltage dips sags ; symmetrical components;

   Sammanfattning : .... LÄS MER

3. 2. Modeling and Control of VSC-HVDC Links Connected to Weak AC Systems

   Författare :Lidong Zhang; Hans-Peter Nee; Alan Wood; KTH; []
   Nyckelord :Control; modeling; multivariable feedback control; HVDC; power systems; stability; subsynchronous torsional interaction; voltage-source converter; weak ac systems;

   Sammanfattning : For high-voltage direct-current (HVDC) transmission, the strength of the ac system is important for normal operation. An ac system can be considered as weak either because its impedance is high or its inertia is low. LÄS MER