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INDUCTION GENERATOR FOR WIND POWER GENERATION


Posted by: projectsofme
Created at: Friday 01st of October 2010 03:33:16 AM
Last Edited Or Replied at :Monday 21st of March 2011 06:13:24 AM
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scale wind power projects are an attractive alternative to conventional capacity expansion.
In the present scenario , most wind turbine manufacturers now equip power generating units by induction generators.
They are operated either at fixed speed or variable speed.
Generators driven by fixed speed turbines can directly be connected to grid.
Variable speed generators need a power electronic converter interface for interconnection with the grid.
Variable speed generation is preferred over fixed speed generation.


HISTORY


In 200 B.C., in ancient ..................[:=> Show Contents <=:]



doubly fed induction motor full report


Posted by: project report tiger
Created at: Saturday 20th of February 2010 09:40:13 PM
Last Edited Or Replied at :Saturday 20th of February 2010 09:40:13 PM
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IND MILL
Used as Wind Generators
DFIG can work in variable speed range around synchronous speed.
DFIG kept synchronized with grid..................[:=> Show Contents <=:]



Control Dynamics of a Doubly Fed Induction Generator Under Sub- and Super-Synchronous


Posted by: project report helper
Created at: Thursday 30th of September 2010 07:48:26 AM
Last Edited Or Replied at :Thursday 30th of September 2010 07:48:26 AM
Super Synchronous, Under , Generator, Induction , Doubly, Dynamics , Control, doubly fed induction generator using back to back pwm converters , double fed induction generation, operation modes of a double fed induction generator , wind turbine speed control, download control dfig seminar , modes of dfig,
needs to be controlled, resulting in the reduction of the power losses and the cost of the converters, filters and EMI filters. Generally, the stator of the DFIG is connected to the grid directly, and the rotor is fed through bi-directional back-to- back PWM converters. These converters are used for exchanging the slip power to and from the grid for variable speed operation . It is possible to control rotor current injection using fully controlled electronic converters to ensure effective operation in both sub- and super-synchronous modes.
In sub-synchronous mode, the RSC works as an invert..................[:=> Show Contents <=:]



enhaced performance of doubly fed wind power induction generator


Posted by: [email protected]
Created at: Thursday 26th of August 2010 01:01:07 PM
Last Edited Or Replied at :Thursday 26th of August 2010 01:01:07 PM
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hello,

please provide me the abstract and the full article..................[:=> Show Contents <=:]



On-Line Detection Of Shorts In Fields Of Turbine Generator Rotor


Posted by: radhikarg
Created at: Wednesday 10th of March 2010 09:33:04 PM
Last Edited Or Replied at :Monday 27th of September 2010 04:29:41 AM
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doubly fed induction motor full report


Posted by: project report tiger
Created at: Saturday 20th of February 2010 09:40:13 PM
Last Edited Or Replied at :Saturday 20th of February 2010 09:40:13 PM
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NE
TWO windings participate in ENERGY conversion Process.
Can work in DOUBLE synchronous speed for constant torque.
Similar to Synchronous Machine but in synchronous machine only one winding participate in energy conversion
DFIM is to operate in Narrow SPEED ranges

CONSTRUCTION

Two types-
1. Wound Rotor DFIM.
2. BRUSHLESS wound rotor.
a. Brushless DF Induction electric machine.
b. Brushless wound rotor DF electric machine.

WOUND ROTOR DFIM

Uses the TWO windings of same POWER Rating.
One winding on STATOR & other on ROTOR.
Stator supply is Normal 3F s..................[:=> Show Contents <=:]



On-Line Detection Of Shorts In Fields Of Turbine Generator Rotor


Posted by: ajetivar
Created at: Monday 14th of December 2009 09:14:20 AM
Last Edited Or Replied at :Saturday 09th of October 2010 05:18:28 AM
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hi.....plz post more information regarding..................[:=> Show Contents <=:]



ENHANCED PERFORMANCE OF A DOUBLY FED WIND-POWER INDUCTION GENERATOR AT WIND-


Posted by: Electrical Fan
Created at: Wednesday 02nd of September 2009 06:23:44 PM
Last Edited Or Replied at :Wednesday 02nd of September 2009 06:23:44 PM
WIND , GENERATOR, INDUCTION , WIND POWER, DOUBLY , PERFORMANCE, ENHANCED ,
examined. For higher wind speeds, the strategy of reactive
power flow and the converter ratings are the most significant factors affecting the
performance of the DFIG system. Different strategies for reactive power flow are
discussed and different converters ratings are considered. An optimum technique
for reactive power control is proposed to capture maximum wind power with
minimum losses. Moreover, this methodology ensures a unity power factor flow at
the generator terminals. Reasonable values for the dc link voltage and converter
ratings are investigated. A comprehensive time-domain ..................[:=> Show Contents <=:]



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