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vehicle speed control using microcontroller


Posted by:
Created at: Tuesday 22nd of January 2013 12:28:16 AM
Last Edited Or Replied at :Tuesday 22nd of January 2013 12:28:16 AM
vehicle speed conrol using microcontroller , vehicle speed control using microcontroller, variable frequency drive using microcontroller , automatic speed control of vehicle at school zones using ir sensor, vehicle speed control ,
i want to know the embedded C programming for in..................[:=> Show Contents <=:]



slip energy recovery


Posted by: wrijul
Created at: Saturday 05th of November 2011 08:46:25 AM
Last Edited Or Replied at :Saturday 05th of November 2011 08:46:25 AM
slip energy recovery , slip, slip ring , slip power recovery, electric motors , induction machine, variable speed drives , wound rotor, speed control of induction motor , dc motors, dc motor , variable speed motors, wound rotor induction motor , induction motor, variable frequency drive , variable frequency drives, energy , recovery, slip energy recovery , slip power recovery, slip power recovery ppt , slip energy recovery in slip ring induction motor, slip recovery drives ppt , slip energy recovery project,
Hi this is Wrijul .... can anyone please help me with ..................[:=> Show Contents <=:]



feed control to reduce over speed


Posted by: Sasikumar9019
Created at: Thursday 10th of February 2011 12:48:13 PM
Last Edited Or Replied at :Thursday 10th of February 2011 12:48:13 PM
feed control to reduce over speed , speed drives, boiler feed , generator controller, boiler feed water system , chemical feed system, power plant control system , flow check valve, chemical feed systems , variable frequency, chemical feed , variable frequency drives, frequency drives , boiler feed water, variable speed drives , feed, control , reduce, over , speed, feed control to reduce over speed ,
i need to do a project in feed control during over speed and c..................[:=> Show Contents <=:]



Voltage Swell and Overvoltage Compensation


Posted by: Wifi
Created at: Friday 15th of October 2010 12:30:31 PM
Last Edited Or Replied at :Friday 12th of July 2013 12:20:51 AM
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hod in case of condition of swell or overvoltage, may cause a a rapid rise in dc-link voltage which may ultimately lead to the damage of the storage capacitors and switching devices, and increase the switching loss. The minimum energy injection scheme is unable to solve these problems. Here, a novel unidirectional power flow control algorithm is proposed which also considers the DVR maximum compensation limit . Using this , the problems of continuous rising in dc-link voltage can be solved. Progressive phase rotating method can also be applied. In this case , it reduces compensated load volta..................[:=> Show Contents <=:]



SPEED CONTROL OF SYNCHRONOUS MOTOR BY USING VARIABLE FREQUENCY DRIVES


Posted by: project report helper
Created at: Saturday 25th of September 2010 12:58:36 AM
Last Edited Or Replied at :Saturday 25th of September 2010 12:58:36 AM
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any frequency is presented. The control scheme is based on the popular constant volts per hertz (V/f) method using low-cost open-loop current sensors. Only stator current measure..................[:=> Show Contents <=:]



Variable Voltage And Variable Frequency drives full report


Posted by: seminar presentation
Created at: Tuesday 18th of May 2010 11:43:34 AM
Last Edited Or Replied at :Thursday 04th of October 2012 01:50:25 AM
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em
A variable frequency drive system generally consists of an AC motor, a controller and an operator interface.
VVVFD controller

Just how does a drive provide the frequency and voltage output necessary to change the speed of a motor That's what we'll look at next. Fig. shows a basic PWM drive. All PWM drives contain these main parts, with subtle differences in hardware and software components.
The input section of the drive is the converter. It contains six diodes, arranged in an electrical bridge. These diodes convert AC power to DC power. The next section-the DC bus section-see..................[:=> Show Contents <=:]



variable frequency drive


Posted by: project report tiger
Created at: Monday 01st of March 2010 02:31:26 AM
Last Edited Or Replied at :Thursday 14th of October 2010 08:29:48 PM
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by controlling the frequency of the supply voltage of the motor. ¢ Motor-driven systems are designed to handle peak loads. If the system is r..................[:=> Show Contents <=:]



Traction system Traction drives


Posted by: [email protected]
Created at: Tuesday 16th of February 2010 02:39:22 AM
Last Edited Or Replied at :Saturday 18th of February 2012 04:33:39 AM
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Please give me some project idea on traction system or traction drives . also if possible project d..................[:=> Show Contents <=:]



Integrated Power Electronics Module


Posted by: electronics seminars
Created at: Thursday 31st of December 2009 08:09:35 AM
Last Edited Or Replied at :Wednesday 19th of December 2012 11:56:45 PM
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y computer controlled laser machining.
Figure 4: Process flow chart of embedded power
Steps Description
Ceramic frame Openings in flat Al2O3 or AlN plate by laser cutting
Die mount Dispense dielectric
Dielectric pattern Void free precision dielectric pattern, good adhesion by screen - printing or/and photolithography.
Metalization Adhesion, barrier, low stress, low resistance by sputtering of Ti/Cr-Cu thin film. Thicker (>5mil), low stress, low resistance, solderable, precision pattern by electroplating of Cu, etching
Table1: processing step for embedded power stage.
By assembling the..................[:=> Show Contents <=:]



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