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B.JEYACHANDRAN
Associate

Join Date: Apr 2009
Location: Muscat Oman
Posts: 27

Synchronizing-Reg

12/26/2011 2:52 AM

Dear sir,

we have 30MW power plant, the generation is 11kv, then we step up it to 110kv for due to grid.normally we synchronizing alternator with grid at 11kv bus.due to our home load condition we want synchronizing grid at 110kv side. switch yard is 500meter away from the synchronizing panel. is any problem come?, any distance limit is requird?guide me,

thank you,

B.JEYACHANDRAN.
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ajoycr4
Member

Join Date: Dec 2011
Posts: 7
#1

Re: synchronizing-Reg

12/26/2011 3:48 AM

Sir I think you cant do this because your genration is 11kv ....and for synchronization the voltage levels of of bus and incoming machine must be same ....and here your bus is at 110kv

and for synchronization distance does not play any role...
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vijaymail_electrical
Commentator

Join Date: Jan 2011
Location: India
Posts: 98
Good Answers: 2
#2

Re: Synchronizing-Reg

12/28/2011 5:37 AM

Hi,

I dont see any problems in sync. operation done at 110kV side. As far as I understood from your question, you step up to 110kV Side through GSU T/F, and synchronize with 110kV bus through a 110kV CB which acts as a synchronizing breaker. So make sure you have all the sync commands goes to this CB as per normal procedure.

-Vijay

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ajoycr4
Member

Join Date: Dec 2011
Posts: 7
#3
In reply to #2

Re: Synchronizing-Reg

12/28/2011 6:54 AM

Sir,

Thank you for this information .

Actually I am a student(3rd yr B-Tech) now so i have not much idea about working

field.I just saw your post and i answer with my little knowldge.

Again many many thanks to you

Ajoy
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electricalexpert65
Guru

Join Date: Oct 2009
Posts: 2061
Good Answers: 169
#4

Re: Synchronizing-Reg

12/29/2011 5:13 AM

I too do not foresee any problem in synchronising either at the 11kV bus or at the 110kV bus. Also, 500 m distance between the panel & the yard is no problem. Current travels much faster that it crosses this 500m in a fraction of a micro second.
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Previous in Forum: Surge Arrester Selection for System Design   Next in Forum: Static Excitation System n-1 Critrion.

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