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 Electrical Engineering  |  Question 20 of 130    Print  
for an 100kw generator, only 50kw of load is connected. will the generator generate only 50kw or 100kw. if it generate 100kw what happens to rest of the 50kw. what happens if we connect more than 100kw of load?

  
Total Answers and Comments: 9 Last Update: April 11, 2008     Asked by: vinesh 
  
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 Best Rated Answer
Submitted by: joe
 
100 kw is the full load rating of the generator..... ..that means it can supply 100 kw without exceeding in specified temperature limits .that doesnt mean that it wont be able to supply a load more than 100 kw,it can but not for a longer period of time.after sometime the generator will burn out.if a load of 50 kw is connected to generator the generator will generate only 50 kw& not more than that.the generator will generate power only according to the requirement.

Above answer was rated as good by the following members:
chris Kwabena adams
December 06, 2006 12:27:20   #1  
Vicken        

RE: for an 100kw generator, only 50kw of load is conne...

The generator provides only what the load requres. Therefore For a 50Kw load, the generator supplies 50KW (plus minor losses) to the load. There is no additional 50kw left over.

When the generator load exceedes its capacity of 100KW, the alternator winding ends up in flames because the wires making up the alternator winding overheat and lose their insulation causing serious short circuit.


 
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December 09, 2006 00:52:10   #2  
suresh        

RE: for an 100kw generator, only 50kw of load is conne...
Generator generathing power is constant, but output is dependig on load that we are connecting. suppose we connect 50kw for 100kw, output voltage is same for any type of load,let that is 250v power =p, resistace=rfor 50kwr=v2/r=250*250/50=1250 ohm, for100kwr=250*250/100=625so i conclude that we increasing load means indirectly we decreasing load resistance because we connecting across the suppply means resistance in parellel,so current will increase power automatically increses and vice-versa.
 
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December 09, 2006 02:06:43   #3  
ashvin        

RE: for an 100kw generator, only 50kw of load is conne...
nerator will generate 100KW because generator should run alway its full load capacity otherwise generator effciency will be reduce.so extra 50KW power will be give to the another load or it may be in form of loos or otherwise give power to the beside state who requier it........ 
 
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December 16, 2006 20:29:22   #4  
Hitesh        

RE: for an 100kw generator, only 50kw of load is conne...

If we have 100KW generator and load is 50Kw, generator generate only 50kw.

If we have 100KW generator and connected more then 100KW, the generator tripped at overload.


 
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December 19, 2006 03:15:46   #5  
dipen k patel        

RE: for an 100kw generator, only 50kw of load is conne...
if the generator is 100kw and the load is 50kw the gen. will operate at 100kw and when more than 150kw load it will operate at 100kw but the line losses increases.
 
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December 23, 2006 02:48:55   #6  
joe        

RE: for an 100kw generator, only 50kw of load is conne...
100 kw is the full load rating of the generator..... ..that means it can supply 100 kw without exceeding in specified temperature limits .that doesnt mean that it wont be able to supply a load more than 100 kw,it can but not for a longer period of time.after sometime the generator will burn out.if a load of 50 kw is connected to generator the generator will generate only 50 kw& not more than that.the generator will generate power only according to the requirement.
 
Is this answer useful? Yes | NoAnswer is useful 1   Answer is not useful 0Overall Rating: +1    
January 31, 2007 11:10:17   #7  
Gourav Kundu        

For an 100kw generator, only 50kw of load is conne...
The Generator will have to run at a particular speed. The power produced will depend on the current produced that is p=vi .The current will say how much the is produced as the voltage is constant. As the current increase the field current increase(Hoping the reader knows the cause).So no extra 50kw is generated
 
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October 05, 2007 06:11:19   #8  
cvk        

RE: for an 100kw generator, only 50kw of load is conne...
The generator is capable of generating 100KW. But since the load requirement is only 50KW, it generates 50KW in addition to the losses.
 
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April 11, 2008 15:26:04   #9  
andyarok Member Since: April 2008   Contribution: 2    

RE: for an 100kw generator, only 50kw of load is connected. will the generator generate only 50kw or 100kw. if it generate 100kw what happens to rest of the 50kw. what happens if we connect more than 100kw of load?
Hello........

                In both cases Generator may pull out of synchronism as running a machine underloaded or overloaded too much for long time is undesirable as machine parameters change & rotor angle  varies  significantly.  Rotor shaft may damage as well
 

 
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