نتایج جستجو برای: probabilistic harmonic power flow
تعداد نتایج: 1045274 فیلتر نتایج به سال:
Growth of wind distributed generation (DG) in the active distribution grids can impact on the operation and planning aspects of network. Therefore, this paper presents a probabilistic load flow problem to evaluate the impacts of wind unit uncertainties on the distribution systems. Proposed method is based on the cumulants technique that is a straightforward approach. This analytical method can ...
This paper is devoted to revealing some properties of the probabilistic optimal power flow (POPF) problem. In conjunction with Hermite polynomial model, Nataf transformation introduced map POPF problem independent standard normal space. Firstly, a multivariate model employed represent function relationship between inputs and outputs. Then, moment matching equations are derived characterize unce...
With consideration to importance of power quality in power systems especially in distribution systems and with increasing application of electronic devices which have higher sensitivity to fed powers quality, in this paper voltage profile in distribution systems has been surveyed. Improvement of voltage profile via injection of reactive power has been depicted. Presence of loads which is genera...
In this paper we will give a probabilistic representation for the heat flow of harmonic map with time-dependent Riemannian metric via forward–backward stochastic differential equation on manifolds. Moreover, can provide an alternative method proof existence unique local solution metric.
Increasing use of variable speed drives in industry causes harmonic proliferation in industrial power distribution supply system. Harmonic currents generated by the variable speed drives interact with power system impedance to give rise to harmonic voltage distortion. Thus it is essential to analyze, evaluate and introduce appropriate mitigation techniques for harmonic reduction in the power sy...
In this article, a multi-objective planning is demonstrated for reactive power compensation in radial distribution networks with wind generation via unified power quality conditioner (UPQC). UPQC model, based on phase angle control (PAC), is used. In presented method, optimal locating of UPQC-PAC is done by simultaneous minimizing of objective functions such as: grid power loss, percentage of n...
the useful and efficient method of finite element (fem) has a drawback for dynamic analysis of complex structures, especially in the medium and high frequency range. to overcome this fundamental difficulty, application of statistical energy analysis (sea) and power flow technique has been suggested. as the sea is based on the average response of structure and statistical properties of its reson...
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