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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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es not manifest itself in short circuit of output or
PFC front end.
7. Sinusoidal input currents with Power Factor = 0.997, THD<5% and overall
efficiency > 97% are obtainable with current designs.
As can be seen, Vienna Rectifier is the 3-Phase PFC solution that needs to be fully
exploited. Readymade Vienna Power Semiconductor 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.
..................[:=> 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 ,
lure identification techniques applied for condition monit..................[:=> 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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duced Switch High Power Factor Buck-Type Converter
e. Active filter design and specification for control of harmonics in industrial and commercial facilities -
f. Analysis and Design of a Three-Phase Reduced Switch Buck-Type Rectifier for power 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 Harmo..................[:=> 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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ST-PAID TAB SYSTEM FOR EB DEPARTMENT THROUGH RF COMMUNICATION
ss. 3 PHASE MAINS SCANNER WITH HIGH CURRENT TRIPPING (M)
tt. AUTO IRRIGATION SYSTEM (M)
uu. CELL PHONE OPERATED LAND ROVER (M)
vv. ENERGY SAVING BY OBJECT COUNTING (M)
ww. LIVE BODY DETECTION BASED PROTECTION SYSTEM FOR (M)
xx. SENSITIVE AREA (M)
yy. PAPER MOUSE FOR UNIVERSAL MOTOR SPEED CONTROL (M)
zz. HIGH “ TECH PROTECTION FOR CARS WITH CO & LPGSENSOR USING PLC (M)
aaa. SEMICONDUCTOR ELEMENT BASED VERSATILE POT (M)
bbb. TALKING ENERGY METER (M)
ccc. TWO IN ONE CELL PHONE (M)
ddd. ADVANCED BOILER CONTROLLER SYSTE..................[:=> 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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m is process to control of industrial machinery and processes, thereby replacing human operators.AC power transmission is the transmission of electric power by alternating current. Usually transmission lines use three phase AC current or Single phase AC current..................[:=> 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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TRONIC EYE BASED

82. ELECTRONIC EYE BASED WITH EVENT LOGGING ON PC

83. Hotel Power Management Through PC

84. µc Based PT- Temperature Controller

85. Microcontroller Based Code Lock With Security Telephone Dialer

86. REAL TIME CHANNEL DATA LOGGER

87. CH DATA LOGGER THROUGH RADIO LINK

88. Load Shedder

89. Home automation Through P.C.

90. inductance , capacitance and frequency meter.

91. PC TO PC LASER COMMUNICATION

92. PC TO PC FIBER- OPTIC COMMUNICATION

93. BILGE OIL WATER SEPARATOR

94. AUTOMATIC TOLL TAX

95. AUTOMATIC CONTROL OF UNMANNED RAIL..................[:=> 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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type (distrib)
Three phase core type (Power) 1.0 to 1.2
0.75 to 0.85
1.3
0.45
0.6 to 0.7

Ratio of iron loss to copper loss
Copper loss per m3 = p. ?2
? Pc = 2.1 x 10-3 ?2 = 2.36 x10-3. ?2 W/kg
8.9 x 103
Pi = Pi.Gi
Ratio of iron to copper loss
Pi = Pi. Gi
Pc Pc. Gc

Optimum Design
Transformer may designed to make one of the following quantities minimum.
i) Total Volume ii) Total weight iii) Total cost iv) Total losses
In general these requirements are contact directly and it is normally to satisfied to only one of them. All ..................[:=> 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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he unobstructed view of the Sun, unaffected by the day/night cycle, weather, or seasons. It is a renewable energy source, zero emission after putting the solar cells in orbit, and only generates waste as a product of manufacture and maintenance. However, the costs of construction are very high, and SPS will not be able to compete with conventional sources (at current energy prices) unless at least one of the following conditions is met:
* Sufficiently low launch costs can be achieved
* A determination (by governments, industry, ...) is made that the disadvantages of fossil fuel us..................[:=> Show Contents <=:]



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