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3-Phase Power Factor Correction Using Vienna Rectifier Approach


Posted by: seminar class
Created at: Wednesday 04th of May 2011 05:16:41 AM
Last Edited Or Replied at :Sunday 15th of May 2011 03:05:16 PM
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or modules, embodying MOSFETS+
FREDS to make a stand alone Direct Copper Bonded Power Circuit, make it quite
convenient and user-friendly. Powerful, yet inexpensive, microcomputers and DSPs make
it attractive to design compact controllers for the Vienna Rectifiers.
A new approach of employing Fuzzy Logic for building embedded controller for Vienna
rectifier for 3-Phase AC to DC power conversion is proposed here.
3.0 Applications
A large number of industrial, telecom and computing equipments now use 3-Phase mains
power. Salient amongst them are:
1. A.C. and D.C Drives
2. Teleco..................[:=> Show Contents <=:]



Fuzzy Logic based fault detection in induction machines using Lab view


Posted by: computer science technology
Created at: Tuesday 19th of January 2010 10:29:00 PM
Last Edited Or Replied at :Tuesday 19th of January 2010 10:29:00 PM
Fuzzy Logic based fault detection in induction machines using Lab view, view , using, machines , induction, detection , fault, based , Logic, Fuzzy , three phase fault detector, a project on fault in induction motor , project reports for the topic fault detection of induction motor, online condition monitoring of 3 phase induction motor ,
ork in this paper was divided into two phases. The phase one was concerned with the modeling of three-phase induction motor in three phase reference frame using Matlab/Simulink and designing an intelligent system for condition monitoring of the..................[:=> Show Contents <=:]



electronic projects for engineering students


Posted by: electronics seminars
Created at: Friday 15th of January 2010 12:51:22 PM
Last Edited Or Replied at :Wednesday 12th of December 2012 01:17:39 AM
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factor correction -
g. Analysis and implementation of a zero voltage switching bi-forward converter -IEEE
h. Analysis and Implementation of Switched-Capacitor/Switched-Inductor Structures for Getting Transformer less Hybrid DC“DC PWM Converters “ IEEE “
¢ Design and control methodology of Shunt Active Power Filter for Harmonic Mitigation “
i. Designs and Analysis of Zero-Voltage-Switching DC“DC Converters with Synchronous Rectifiers -
j. Dynamic Modeling and Control of a Zeta Converter IEEE
k. loads ¢ ¢ ¢ Harmonic distortion and reduction t..................[:=> Show Contents <=:]



electrical engineering projects ideas


Posted by: electronics seminars
Created at: Friday 15th of January 2010 06:35:32 AM
Last Edited Or Replied at :Saturday 26th of March 2011 10:28:37 AM
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s. DIGITAL CONTROL OF A TWO PHASE MOTOR
t. DESIGNING COMPUTER INTERFACE FOR PHYSICALLY CHALLENGED PERSONS
u. DESIGN AND IMPLEMENTATION OF A MICROCONTROLLER-BASED HIGH POWER FACTOR ELECTRONIC BALLAST TO SUPPLY METAL HALIDE LAMPS
v. MICROCONTROLLER PERFORMANCE FOR DC MOTOR SPEED CONTROL SYSTEM
w. A TESTBED FOR SECURE AND ROBUST SCADA SYSTEMS
x. ONLINE SPEED CONTROL OF DC MOTOR WITH HIGH SPEED NETWORK
y. SMS BASED INDUCTION MOTOR CONTROLLER
z. SMS BASED DC MOTOR SPEED CONTROLLER
aa. TRANSFORMER INDUSTRIAL PARAMETERS MANAGEMENT CONTROL SYSTEM AND INTIMATION TO ELECTRICITY BOARD
bb. AUTOM..................[:=> Show Contents <=:]



Micro controller based automated irrigation system


Posted by: Electrical Fan
Created at: Monday 14th of December 2009 07:55:48 AM
Last Edited Or Replied at :Wednesday 11th of April 2012 10:15:32 PM
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Power has been one of the primary source of man.. Ele..................[:=> Show Contents <=:]



electrical engineering projects for final year


Posted by: computer science crazy
Created at: Tuesday 10th of November 2009 05:25:09 AM
Last Edited Or Replied at :Saturday 11th of February 2012 12:31:30 AM
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- Phase to 1- Phase
35. 8085 based Protective Relay
36. Speed Control of Separately excited D.C motor using µP
37. Microcontroller based Digital Energy Meter
38. Speed control of 3 - Phase Induction Motor by V / F method using PWM Technique
39. Digital Filter Design & itâ„¢s Application
40. Electrical Bicycle
41. Survey of Industries in surat
42. Electronic Power Generator using Transistor
43. Solar Tracking System
44. Working Model of Solar Power Plant
45. Speed Control of D.C Motor using D.C Drives
46. Prepaid Card Energy Meter
47. Vector Controlled AC Drive
4..................[:=> Show Contents <=:]



Design of Voltage Regulator


Posted by: Computer Science Clay
Created at: Sunday 25th of January 2009 02:24:07 AM
Last Edited Or Replied at :Sunday 25th of January 2009 02:24:07 AM
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mainly Iron Loss take place. These losses are independent of load current, these are of two tapes.
(1) Hysterisis Loss
(2) Eddy current loss.

(1) Hysterisis Loss :- When alternating current flows through, primary winding, cyclic magnetization and demagntisation of Xmer Core take place. So Heat is produced. Hysterisis loss is proportional to valve of Flux-density and frequency.
Ph ? F. B Max1.6
To minimize hysterisis was CRCTO ? cold Rolled grain oriented steel or silicon steel is used. The permability of (RGO is very high more than 10.000.

II) EDDY CURRENT LOSSES :-
In X..................[:=> Show Contents <=:]



Solar power satellite


Posted by: computer science crazy
Created at: Saturday 20th of September 2008 11:09:26 PM
Last Edited Or Replied at :Tuesday 31st of January 2012 11:18:59 PM
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In common with other types of renewable energy such a system could have advantages to the world in terms of energy security via reduction in levels of conflict, military spending, loss of life, and avoiding future conflict over dwindling energy sources.
History
An artist's concept of a solar power satellite, 1976. (NASA)
An artist's concept of a solar power satellite, 1976. (NASA)

The SPS concept was first described in November 1968 . At first it was regarded as impractical due to the lack of a workable method of sending power collected down to the Earth's surface. This changed in 19..................[:=> Show Contents <=:]



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