Title :
Preventing voltage collapse by large SVCs at power system faults
Author :
Al-Mubarak, Ahmed H. ; Bamsak, Saleh M. ; Thorvaldsson, Bjorn ; Halonen, Mikael ; Grünbaum, Rolf
Author_Institution :
SEC, Dammam
Abstract :
This paper shows how the performance of a power grid in Saudi Arabia is improved by using SVCs to reduce the risk for voltage collapse at short circuits. Full SVCs capacity is needed during faults and for a short time following fault clearing for system recovery. It is shown that SVCs can handle the phase jumps at fault inception and clearing. The paper also deals with control stability for large SVCs in weak networks.
Keywords :
power system control; power system dynamic stability; power system faults; SVC; Saudi Arabia; control stability; fault clearing; fault inception; power grid; power system faults; short circuits; voltage collapse prevention; Circuit faults; Ground support; Induction motors; Inductors; Phase locked loops; Power system faults; Reactive power; Static VAr compensators; Substations; Voltage control; Control design; Motor stalling; Operational experience; PLL; Reactive Power; SVC; Speed of response; Temporary overvoltage; Voltage recovery;
Conference_Titel :
Power Systems Conference and Exposition, 2009. PSCE '09. IEEE/PES
Conference_Location :
Seattle, WA
Print_ISBN :
978-1-4244-3810-5
Electronic_ISBN :
978-1-4244-3811-2
DOI :
10.1109/PSCE.2009.4840189
