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if you again feel trouble on single phasing monitoring and prevention of three phase system for industrial loads please reply in that page and ask specific fields in single phasing monitoring and prevention of three phase system for industrial loads ....etc

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Sir/Madam,myself studying in final year B.E.in jnnce .Now I have to do seminar on the topic self phasing antenna array .So will you please send me the ready report .. ....etc

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remote motor star delta starter with dry run and single phasing preventer cct diagram

The Star/Delta starter is generally manufactured from three contactors; and electromechanical timer and a thermal overload for operating a 3 phase motor at 440 volt at ac mains supply 50 Hz. The interlocking arrangement of all the contactor coils is traditionally wired in 440 volt AC.

This project uses a system to start a 3 phase motor at 440 volt AC mains supply 50 Hz with a set of 12 volt DC relays in star mode first and then to delta mode by an electronic ....etc

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NAVSYS has developed a new Digital Antenna Element design for integration with a Controlled Reception Pattern Antenna (CRPA) which offers significant advantages over conventional Digital Antenna Electronics for high integrity GPS applications such as the Joint Precision Approach and Landing System (JPALS). Instead of performing spatial processing within the Digital Antenna Electronics, the Digital Antenna Elements each output the raw sampled digital data from each of the CRPA antenna raw sampled digital data from each of the CRPA antenna eleme ....etc

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microcontroller based single phasing preventer circuit diagram

Abstract

The rise in temperature level of a motor during its operation beyond a permissible limit is known as overheating. The causes of motor overheating are motor overloading, distortion in the supply voltage, impaired cooling capability, unbalanced supply voltages etc. Because of overheating, we can face the problems such as Electrical fire, Insulation failure, Decrease in life time of motor due to earlier wear and tear of the motor windings etc.Hence, for three phase induction ....etc

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Planar Array Antenna Implementation


Structure Of planar array antenna

The fabrication and assembly of the antenna array with separated feed network using the air gap technique is described here.

The basic structure of the proposed antenna is constructed using multiple 2x2 sub-array modules with its H shape printed feed line

The antenna is fed by a 50Ohm coaxial probe. The size of each patch is 16mm x 11.15mm and their inter-element spacing is approximately /2.

I ....etc

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Application of Self-Phased Array Antennas to Mobile Communications
A self-phased array antenna which employs a pilot signal can be used as a method for reduction of upto 1-2 orders of power of base station and mobile unit transmitters in mobile communication systems. talk time increase and the reduction of battery weight are other advantages of this method. electromagnetic and ecological compatibility problems are a major concern as many number of towers are being setup for mobiles. base stations output power can
reach upto 5-10 ....etc

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Design and analysis with low side lobes of Fractal Linear Array Antenna
Abstract
In this paper, the fractal concept is used in the linear array antenna design to obtain multiband operation and reduced size. MATLAB programming language version 7.0.1 is used to simulate the fractal linear array antenna and their radiation pattern. Fractal Cantor linear array antenna of array pattern of 101 has been designed at a frequency of 2700 MHz with uniform and non uniform amplitude distribution. The performance of this array has been s ....etc

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Abstract

The rapidly increasing demand for PCS has provided the impetus to design adaptive antenna arrays to improve spectral efficiency and enhance system capacity. With increasing data rate in some PCS application like DECT( Digital European Cordless Telecommunications), higher BER would degrade the system performance further. An adaptive antenna array testbed using 12 elements was built to evaluate its performance on high data rate mobile communications in an indoor environment for DECT applications. The simultaneous data sampling rate ....etc

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if any one have the hfss tutorial for implementing antenna array please send it to my mail [email protected]. please its urgent. i need to implement and submit that project urgently ....etc

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