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SATCHHIKARA
Active Contributor

Join Date: Jan 2010
Posts: 19

Voltage and Reactive Power Hunting Show in My Power Plant. What Reason Behind It

11/13/2011 7:51 AM

I'm working in 16 MW ,11 kv, three STG power plant. All three are running parallel. suddenly voltage and reactive power hunting started,all three machine, I also search if AVR or any motor ya other equipment responsible for this hunting, but no result found till date, please suggestion me.
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muditmah
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Join Date: May 2011
Posts: 84
Good Answers: 1
#1

Re: voltage and reactive power hunting show in my power plant.what reason behind it

11/13/2011 7:54 AM

is your power plant connected to grid?
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SATCHHIKARA
Active Contributor

Join Date: Jan 2010
Posts: 19
#4
In reply to #1

Re: voltage and reactive power hunting show in my power plant.what reason behind it

11/19/2011 8:31 AM

r/sir,

not connected with grid.only three STG ,identicaly.
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rilengr
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Join Date: Dec 2010
Posts: 5
#2

Re: Voltage and Reactive Power Hunting Show in My Power Plant. What Reason Behind It

11/13/2011 11:20 AM

There a is possibility of droop (Delta Power P/Delta speed N) characteristics of one of the steam turbines is not identical to other two machines. Under such circumstances when a load fluctuation takes place , the load sharing of these machines changes & lead to hunting.
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Tornado
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Technical Fields - Technical Writing - New Member Engineering Fields - Piping Design Engineering - New Member

Join Date: May 2009
Location: Richland, WA, USA
Posts: 21017
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#3
In reply to #2

Re: Voltage and Reactive Power Hunting Show in My Power Plant. What Reason Behind It

11/14/2011 2:27 AM

I was thinking of a similar reply, but you said it better. GA.

__________________
 In vino veritas; in cervisia carmen; in aqua E. coli.
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SATCHHIKARA
Active Contributor

Join Date: Jan 2010
Posts: 19
#5
In reply to #2

Re: Voltage and Reactive Power Hunting Show in My Power Plant. What Reason Behind It

11/19/2011 8:38 AM

r/sir,

all three m/c are identically characteristic .
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Previous in Forum: Dehumidifier Problem   Next in Forum: Is it Possible to Joint 3 Cores With Steel Wire Armour to 3 nos. of 1 Core

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