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This paper proposes a hybrid quadratic programming and compact formulation method (HQPCF) to solve the nonconvex economic dispatch (ED) problem with prohibited operating zones (POZs) and network losses. Firstly, quadratic programming (QP) is utilized to solve the ED problem without POZs. Then a new constraint handling technique is presented to deal with the POZs limits. Based on QP and the proposed...
The rational of incorporating material reuse considerations into modular design has been well recognized. The key technical challenge, however, lies in that such material reuse modularity must be consistent with and conform to the legacy structure of a technical system. This paper is geared towards a total system approach and introduces a game theoretic approach to joint optimization of technical...
In Extra/High-Voltage (EHV/HV) power systems, power cables are chosen instead of over-head lines (OHL) at some places. In the Randstad region in the west of the Netherlands, the cable connection consists of a double circuit where each phase is connected via two parallel cables. The cables are cross-bonded every 0.9 km. A complete model is required to efficiently analyze interaction with the remainder...
Lead-free piezoelectric ceramics 0.96(K0.5Na0.5)(Nb0.96Sb0.04)-0.04LiTaO3 (96KNNS-4LT) have been prepared by using the conventional technique. The effect of the sintering temperature on the piezoelectric properties of 96KNNS-4LT ceramics was studied. The X-ray diffraction (XRD) and scanning electron microscope (SEM) show that all the ceramics possess a pure perovskite phase and dense microstructure...
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