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Optimal shunt compensators at nonsinusoidal busbars

Journal Article · · IEEE Transactions on Power Systems
DOI:https://doi.org/10.1109/59.387908· OSTI ID:82667
; ;  [1]
  1. King Fahd Univ. of Petroleum and Minerals, Dhahran (Saudi Arabia)
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A model for determining an optimal shunt capacitor value at nonsinusoidal busbars combining three basic criteria--maximizing the power factor, minimizing the line losses, and maximizing the transmission efficiency is developed. The choice of the capacitor value is constrained by the values that may cause resonance. This model was solved employing the penalty function approach and the golden Section Search algorithm for solving the linear load case. Furthermore nonlinear loads operating under nonsinusoidal conditions were investigated. The model for the nonlinear load is a two variable problem in L (inductor) and C (capacitor). The Direct Search Polytope algorithm is used. The solution of this model yields an optimal shunt LC compensator for the nonlinear load. However, since there are limitations on the practical values of shunt capacitor, a discretizing approach making use of standard shunt capacitor values is employed to guarantee a solution that can be implemented.
OSTI ID:
82667
Report Number(s):
CONF-940702--
Journal Information:
IEEE Transactions on Power Systems, Journal Name: IEEE Transactions on Power Systems Journal Issue: 2 Vol. 10; ISSN ITPSEG; ISSN 0885-8950
Country of Publication:
United States
Language:
English

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Related Subjects

24 POWER TRANSMISSION AND DISTRIBUTION
CAPACITORS
OPTIMIZATION
POWER FACTOR
POWER SYSTEMS
SIZING
STABILIZATION