Register to reply 
Synchronous Generator Ratings 
Share this thread: 
#1
Dec113, 07:02 PM

P: 778

Hey all,
If we are given a synchronous generator with the following nameplate values 10MVA, 13.8kV, 2 pole, 60 Hz why is it not sufficient to go [tex]S_{RATED}=I_{RATED}V_{RATED}[/tex] as we did for transformers? My reason for asking is because I am trying to determine the voltage regulation of a particular generator. However, if I determine the full load current using the above formula, I get an absurd result. 


#2
Dec113, 08:56 PM

Sci Advisor
PF Gold
P: 2,732

Is the generator a 3 phase machine? If so, the apparent power = √3 Voltage_{line} ⋅ Current_{line}.
13.8kv is a line voltage. 


#3
Dec113, 09:09 PM

P: 778

How silly of me. Honestly, this entire time my issue was that I did not divide S by three. Thanks!



Register to reply 
Related Discussions  
Synchronous Generator ( again )  Electrical Engineering  14  
Synchronous Generator in Isolated Mode  Electrical Engineering  21  
Connecting a synchronous generator to the grid  Engineering, Comp Sci, & Technology Homework  4  
Synchronous generator  Electrical Engineering  18  
Synchronous Generator Power factor  Electrical Engineering  3 