scholarly journals Application of the Base Transceiver Station with Smart Antennas in the Power Distribution Sector

2021 ◽  
Vol 2021 ◽  
pp. 1-12
Author(s):  
B. A. Kleinau ◽  
D. L. de Melo ◽  
M. T. de Melo ◽  
D. C. P. Barbosa ◽  
A. J. B. Oliveira ◽  
...  
Keyword(s):  
Antenna Array ◽  
Fiber Optics ◽  
Power Distribution ◽  
Optimization Method ◽  
Antenna System ◽  
Distribution Automation ◽  
Mathematical Concepts ◽  
Automation Systems ◽  
Base Transceiver Station ◽  
System Controller

The use of distribution automation systems has grown significantly in electricity companies in recent years. The main reason for this is the need to have a smarter network, in order to reduce the time of power interruption. For such applications, communication using radio frequency is preferred because this solution is more reliable than 3G/4G and cheaper than fiber optics. In this context, it is of utmost importance to have a more efficient base transceiver station (BTS) that can cover the communication of a larger area. In this paper, the mathematical concepts of an intelligent antenna array, as well as the logical operation of an intelligent radiation system controller, are presented. Such system receives as inputs the geographic coordinates of network elements and automatically feeds an intelligent Yagi–Uda antenna array with the appropriate parameters, in order to optimize the radiation pattern into the desired directions. The presented model uses a stochastic optimization method to automatically achieve a set of optimal electrical parameters to excite the array and efficiently direct its beams in a fully controlled way. Thus, the results obtained indicate that the proposed intelligent scheme allows the energy optimization of the antenna system, reducing in 61% the number of BTS needed to cover the same area, when compared to traditional collinear antenna systems.

scholarly journals Recent trends in SCADA Power Distribution Automation Systems

2010 ◽  
Vol 45 (3) ◽  
pp. 205-218 ◽  
Author(s):  
Hari Kumar Naidu ◽  
K Thanushkodi
Keyword(s):  
Embedded System ◽  
Power Supply ◽  
Power Distribution ◽  
Distribution Automation ◽  
Distribution Management ◽  
Software Model ◽  
Automation Systems ◽  
Reliable Performance ◽  
Recent Trends ◽  
Distribution Management System

The objective of the study in this paper is to evaluate the advances in telecommunication, Information Technology and networking which offer SCADA Power supply Distribution automation as a solution to improve power distribution efficiencies. This paper also discusses the result of the indigenously developed prototype hardware and software model utilising the latest embedded technology innovation for SCADA Power Distribution Automation Systems for reliable performance of power system. Keywords: SCADA; Distribution management system; GIS, Distribution automation; Embedded system. DOI: 10.3329/bjsir.v45i3.1531Bangladesh J. Sci. Ind. Res. 45(3), 205-218, 2010

scholarly journals Research on the Architecture and Key Technology of Data Two-way Interactive Distribution Automation System

2021 ◽  
Vol 2121 (1) ◽  
pp. 012027
Author(s):  
Yinghua Song ◽  
Gang Wang
Keyword(s):  
System Architecture ◽  
Power Distribution ◽  
Distribution System ◽  
Distribution Network ◽  
Distribution Automation ◽  
Automation System ◽  
Power Distribution System ◽  
Self Recognition ◽  
Automation Systems ◽  
Network Equipment

Abstract On the basis of analyzing and summarizing the current situation of the construction and use of distribution automation systems at home and abroad, according to the requirements of the use of distribution automation systems, a data two-way interactive distribution automation system architecture design is proposed. In response to the requirements for multi-source data collection in the distribution network, a distribution automation system architecture with partitioned collection and bidirectional data flow is proposed to improve the perception of distribution network equipment. Propose the self-recognition technology of power distribution system and terminal based on IEC61968 and IEC61850 model mapping to realize the fast access of power distribution terminal. Propose a grid integration modeling and global decision analysis method based on model splicing technology to realize multi-dimensional data fusion and analysis applications.

scholarly journals A Graphene-Assembled Film Based MIMO Antenna Array with High Isolation for 5G Wireless Communication

2021 ◽  
Vol 11 (5) ◽  
pp. 2382
Author(s):  
Rongguo Song ◽  
Xiaoxiao Chen ◽  
Shaoqiu Jiang ◽  
Zelong Hu ◽  
Tianye Liu ◽  
...  
Keyword(s):  
Antenna Array ◽  
Antenna Arrays ◽  
Multiple Input Multiple Output ◽  
Frequency Selective Surface ◽  
Antenna System ◽  
Antenna Element ◽  
Mimo Antenna ◽  
High Isolation ◽  
Input Multiple Output ◽  
Alternative Material

With the development of 5G, Internet of Things, and smart home technologies, miniaturized and compact multi-antenna systems and multiple-input multiple-output (MIMO) antenna arrays have attracted increasing attention. Reducing the coupling between antenna elements is essential to improving the performance of such MIMO antenna system. In this work, we proposed a graphene-assembled, as an alternative material rather than metal, film-based MIMO antenna array with high isolation for 5G application. The isolation of the antenna element is improved by a graphene assembly film (GAF) frequency selective surface and isolation strip. It is shown that the GAF antenna element operated at 3.5 GHz has the realized gain of 2.87 dBi. The addition of the decoupling structure improves the isolation of the MIMO antenna array to more than 10 dB and corrects the antenna radiation pattern and operating frequency. The isolation between antenna elements with an interval of 0.4λ is above 25 dB. All experimental results show that the GAF antenna and decoupling structure are efficient devices for 5G mobile communication.

NETWORK ADMINISTRATION PROTOCOLS IN DISTRIBUTION AUTOMATION SYSTEMS

2021 ◽  
Author(s):  
I. García ◽  
D. Camarero ◽  
E. Jauregui ◽  
M. Echevarría ◽  
M. Morillo ◽  
...  
Keyword(s):  
Distribution Automation ◽  
Automation Systems ◽  
Network Administration

SYNTHESIS OF UNIFORM LINEAR ANTENNA ARRAY USING GENETIC ALGORITHM WITH COST BASED ROULETTE TO MAXIMIZE SIDELOBE LEVEL REDUCTION

2011 ◽  
Vol 08 (02) ◽  
pp. 171-179
Author(s):  
T. S. JEYALI LASEETHA ◽  
R. SUKANESH
Keyword(s):  
Genetic Algorithm ◽  
Antenna Array ◽  
Radiation Pattern ◽  
Optimization Method ◽  
Adaptive Beamforming ◽  
Linear Antenna ◽  
Algorithm Optimization ◽  
Sidelobe Level ◽  
Linear Antenna Array ◽  
Sidelobe Level Reduction

This paper discusses the deployment of Genetic Algorithm optimization method for the synthesis of antenna array radiation pattern in adaptive beamforming. The synthesis problem discussed is to find the weights of the Uniform Linear Antenna array elements that are optimum to provide the radiation pattern with maximum reduction in the sidelobe level. This technique proved its effectiveness in improving the performance of the antenna array.

scholarly journals A Compact Ku-Band Active Electronically Steerable Antenna with Low-Cost 3D T/R Module

2019 ◽  
Vol 2019 ◽  
pp. 1-8
Author(s):  
Zheng Xu ◽  
Chengxiang Hao ◽  
Kuiwen Xu ◽  
Shichang Chen
Keyword(s):  
Antenna Array ◽  
System Integration ◽  
Low Cost ◽  
Axial Ratio ◽  
Antenna System ◽  
Measurement Results ◽  
Steerable Antenna ◽  
Vertical Interconnection ◽  
Electronic Steering ◽  
Ku Band

This paper presents a novel compact Ku-band active electronically steerable antenna array design with a low-cost and integrated T/R 3D module employed for airborne synthetic aperture radar (SAR) systems. The entire system adopts 3D multilayer technology with vertical interconnection to construct the hermetically packaging RF modules. By assembling different multifunctional modules into a whole multilayer board, the 3D T/R technique greatly improves the system integration and reduces implementation cost and size. Besides, a wideband circular polarized antenna array was designed in LTCC and connected to the proposed T/R modules to form a complete AESA. The whole proposed antenna system has been fabricated and experimentally investigated. Measurement results showed very good phased array performances in terms of gain, axial ratio, and radiating patterns. The low-cost, lightweight, and low-power features exhibited by the proposed design validate its applicability for weight and power constrained platforms with great electronic steering ability.

scholarly journals Beam-Reconfigurable Multi-Antenna System with Beam-Combining Technology for UAV-to-Everything Communications

Electronics ◽  
2020 ◽  
Vol 9 (6) ◽  
pp. 980
Author(s):  
Yu-Seong Choi ◽  
Jeong-Su Park ◽  
Wang-Sang Lee
Keyword(s):  
Power Distribution ◽  
Patch Antenna ◽  
Coplanar Waveguide ◽  
Antenna System ◽  
Monopole Antenna ◽  
Total Efficiency ◽  
Beam Combining ◽  
Low Profile ◽  
Side Beam ◽  
Half Power

This paper proposes a beam-reconfigurable antenna for unmanned aerial vehicles (UAVs) with wide beam coverage by applying beam-combining technology to multiple antennas with different beam patterns. The proposed multi-antenna system consists of a circular patch antenna and a low-profile printed meandered monopole antenna. For beam combining, a coplanar waveguide with ground (CPW-G) structure feeding network is proposed, and it consists of two input ports, a 90° hybrid coupler, a microstrip 90° phase delay line, and a single-pole double-throw (SPDT) switch. It performs the role of power distribution and phase adjustment, and synthesizes the broad-side beam of the monopole antenna and the end-fire beam of the patch antenna to form the directive broadside beams in four different directions. The proposed antenna system operates at 5–5.5 GHz which covers both UAV ground control frequencies (5.03–5.09 GHz) and UAV mission frequencies (5.091–5.150 GHz). The peak gain, total efficiency, and half-power beamwidth (HPBW) of the antenna system are approximately 5.8 dBi, 76%, 145° in the elevation plane, and 360° in the azimuth plane respectively. Its electrical size and weight are λ 0 × λ 0 × 0.21 λ 0 at 5.09 GHz and 19.2 g, respectively.

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