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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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Wind turbines convert the kinetic energy present in the wind into mechanical energy by means of producing torque.
Large 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 ..................[:=> 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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ess 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 supply.
Rotor supply is from power frequency converter.
Slip ring assembly used to transfer Power to rotor winding.

Brushless DFIM

Two windings adjacent to each other on the STATOR .
Windings are excited separately.

Brushless wound rotor DFIM

Similar to wound rotor DFIM but slip ring assembly is not used.
Large efficiency and less cost but instability is more.

WORKING

Fi..................[:=> 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
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matically into the power system for last two decades. A variable speed generator based wind turbine can extract more power from the wind than a fixed speed wind turbine. Doubly fed induction generator (DFIG) is a popular choice for variable speed wind turbine application, as it is able to generate power at constant voltage and frequency while the rotor speed varies. A decoupled control of the real and reactive power is possible.
Moreover, a fraction of total system power needs to be controlled, resulting in the reduction of the power losses and the cost of the converters, filters and EMI fi..................[:=> 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..................[:=> 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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[size=medi..................[:=> 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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chronous 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 supply.
Rotor supply is from power frequency converter.
Slip ring assembly used to transfer Power to rotor winding.

Brushless DFIM

Two windings adjacen..................[:=> 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 the above mentioned topic........

..................[:=> 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 ,
ty of rated wind speed) is investigated. For low wind speed region, the
causes of decreased efficiency of the DFIG-based wind turbines are discussed in
details. A modified control to extend the concept of maximum wind power tracking
to cover the low wind speed region is presented. The associated effects of the ex-
panding technique are 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 convert..................[:=> Show Contents <=:]



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