نتایج جستجو برای: voltage stability vs
تعداد نتایج: 630779 فیلتر نتایج به سال:
Abstract This paper presents a solution for the transmission congestion management considering voltage stability issues using optimal generation rescheduling. While practicing optimization techniques, control variables remain under their upper or lower limits but it may lead to lowered level of security after optimization. To counterbalance this adverse effect, modified objective function has b...
As an alternative to traditional fossil fuel extracted energy, wind energy has been acknowledged as one of the most important sources of renewable energies in the world. This clean and natural source of energy could be a key to solving the worldwide energy crisis with low environmental impact. The increased penetration of wind power into the power grids mean the impact of the wind turbines on t...
Most action potentials are produced by the sequential activation of voltage-gated sodium (Nav) and potassium (Kv) channels. This is mainly achieved by the rapid conformational rearrangement of voltage-sensor (VS) modules in Nav channels, with activation kinetics up to 6-fold faster than Shaker-type Kv channels. Here, using mutagenesis and gating current measurements, we show that a 3-fold accel...
چکیده ندارد.
Due to the continuous increment of the load demand, identification of weaker buses, improvement of voltage profile and power losses in the context of the voltage stability problems has become one of the major concerns for the larger, complex, interconnected power systems. The objective of this paper is to review the impact of Flexible AC Transmission System (FACTS) controller in Wind generators...
_______________________________________________________________________________ Abstract— This paper proposes a rigorous stability criterion for the 2 order digital phase locked loop (DPLL), with a charge pump phase frequency detector (CP-PFD) component. The Stability boundary is determined using piecewise linear methods to model the non-linear nature of the CP-PFD component block. It calculate...
Voltage stability has recently become a challenging issue in many power systems. The distribution systems are reconfigured with a view to reduce the system losses and offer a better voltage profile for the utilities. This paper presents a new fuzzy based reconfiguration algorithm that enhances voltage stability and improves the voltage profile besides minimising losses, without incurring any ad...
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