This contribution describes some specifics of VDSL performance in the presence of bridged taps. It is shown that the effect of a bridged tap depends on both the length and allocation of the bridged tap due to dominating of FEXT. As a result, bridged taps affect the opposite transmission directions differently and usually the upstream performance is degraded much more regardless of the applied V...

The high penetration of renewable energy into distribution networks poses increasing challenges on voltage control. To address this issue, paper presents a double-layer stochastic model predictive control algorithm to regulate profile in active networks. In the proposed algorithm, regulation is achieved by coordination an upper layer controller and lower controller. layer, number operation mech...

In this paper power quality of 3-bus solar-based hybrid system has been presented (where one or more than distribution generator unit is connected to the grid). The injection solar into grid-connected systems creates problems such as current consistency, electrical fluctuations, and inefficient demand. A control strategy based on a real-time self-regulation method for autonomous microgrid opera...

This paper proposes a distributed coordinated voltage control scheme for distribution networks with generation (DG) and on-load tap changer (OLTC). In this scheme, static synchronous compensators (STATCOMs), DG units OLTC are to regulate voltages of all buses be close the nominal value in network, mitigate fluctuations, minimize number operations while considering different temporal characteris...

<span id="docs-internal-guid-a50ef6a8-7fff-b6d7-8e58-d434be6097d4"><span>This paper proposes a novel approach based on the NSCE (elitist non dominated sorting cross entropy), for optimization of location and size flexible AC transmission system device (FACTS) namely: unified power flow controller (UPFC) to achieve optimal reactive (ORPF). In present work, main objective is minimize ...

Small-angle X-ray scattering (SAXS) of macromolecules in solution is in increasing demand by an ever more diverse research community, both academic and industrial. To better serve user needs, and to allow automated and high-throughput operation, a sample changer (BioSAXS Sample Changer) that is able to perform unattended measurements of up to several hundred samples per day has been developed. ...

The bicycle is constantly being updated in order to meet market needs, the developing trend of bicycle shifting gear has changed from manual shifting fashion into automatic shift fashion. In this paper, a systematic approach is proposed to synthesize the design concept of the three-speed automatic speed changer. In this paper, we accord to the design concepts of planetary gear trains with two d...