Changes

Wind Energy Background

246 bytes added, 05:25, 18 March 2011
/* Electrical Generating Systems */
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| align = "center" bgcolor = "#83caff4F81BD"| | align = "center" bgcolor = "#83caff4F81BD"|<font color="#FFFFFF">'''Fixed speed generating systems'''</font>| align = "center" bgcolor = "#83caff4F81BD"|<font color="#FFFFFF">'''Variable speed generating systems'''</font>| align = "center" bgcolor = "#83caff4F81BD"|<font color="#FFFFFF">'''Doubly fed induction generator'''</font>
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|bgcolor = "#DCE6F1"| Machines|bgcolor = "#DCE6F1"| SQIG|bgcolor = "#DCE6F1"| PMSG/WRSG/WRIG|bgcolor = "#DCE6F1"| DFIG
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|bgcolor = "#DCE6F1"| Drawbacks|bgcolor = "#DCE6F1"| <nowiki>* </nowiki>No control on real and reactive power
<nowiki>* Less optimum power extraction capability</nowiki>
<nowiki>* High mechanical stress on turbine mechanical components</nowiki>
|bgcolor = "#DCE6F1"| <nowiki>* Additional cost of power electronics</nowiki>
<nowiki>* Limited fault ride through capability</nowiki>
|bgcolor = "#DCE6F1"| <nowiki>* Regular maintenance of slip ring and gearbox</nowiki>
<nowiki>* Limited fault ride-through capability</nowiki>
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