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Associate

Join Date: May 2008
Posts: 50

Captive Power Plant (CPP) Capacity

11/30/2009 2:58 PM

Dear Sir.

We are having two plants. Plant No1 having capacity 1750 KVA and MD 990 KVA

Plant No.2 having 1500 KVA and MD 900 KVA.

Both the plants are running at .99 Power Factor.

With the help of surplus steam of 5 Tons we want to run both the above plants with the Captive Power Plant.

So please suggest us the costing to provide a suitable CPP with the size of CPP in Megawatts.

Regards,

Ulhas Pradhan

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Power-User

Join Date: Feb 2009
Location: India
Posts: 155
#1

Re: Captive Power Plant (CPP) Capacity

12/01/2009 2:07 AM

What is MD?

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Associate

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#3
In reply to #1

Re: Captive Power Plant (CPP) Capacity

12/01/2009 5:52 AM

Sir,

MD stands for Maximum Demand in KVA. Normally in industrial 3 phase trivectormeter or in LTP-3 tariff meter MD is recorded as kick in KVA. And on the 1st of every month the electric utility sets the indicator to Zero.

Regards,

Ulhas Pradhan

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Power-User

Join Date: Feb 2009
Location: India
Posts: 155
#2

Re: Captive Power Plant (CPP) Capacity

12/01/2009 2:17 AM

Your question is unclear. Probably you are telling that you have surplus steam capacity of 5T/hr in steam generator after feeding the two steam turbines. If so, pl check with the turbine supplier regarding uprating the turbines for higher steam flows.

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Associate

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Posts: 50
#4
In reply to #2

Re: Captive Power Plant (CPP) Capacity

12/01/2009 6:02 AM

Dear Sir,

In fact two plants are at two different places and can be electrically coupled together.

And on suplus steam output we are planning to install a Captive Power Plant of a suitable Capacity.

CPP will be run on steam turbine and its dynamic enegy will be converted to electrical energy by coupling the Turbine with a suitable size of Alternator, which in turn will be able to manage to cater adequate electricity to both the plants . No energy will be catered to outside electrical grid system as it is bit unmanageable to a small company.

Regards,

Ulhas Pradhan

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Participant

Join Date: Dec 2009
Location: Lahore , Pakistan
Posts: 4
#5

Re: Captive Power Plant (CPP) Capacity

12/02/2009 12:39 AM

for the capacitive power , i think few of the conditions are suitable when undermining the diff. plants to merge 1 called as SM (Sum Measure) or AG (Average Gauiving).

and what do you mean by Steam... cannot understand your question... Can you please clear it up... waht you are askin ?

Thanks & Regards

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Associate

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Posts: 50
#6
In reply to #5

Re: Captive Power Plant (CPP) Capacity

12/02/2009 1:37 PM

Dear Sir,

As desired by you the detailed clarification related to the concept of running both the plants on a steam turbo alternator of a suitable capacity i.e. utilising 5 MT steam as surplus byproduct and with its help to run a turbo generator of a suitable capacity.

More details are as

Dear Sir,

In fact two plants are at two different places and can be electrically coupled together.

And on suplus steam output we are planning to install a Captive Power Plant of a suitable Capacity.

CPP will be run on steam turbine and its dynamic enegy will be converted to electrical energy by coupling the Turbine with a suitable size of Alternator, which in turn will be able to manage to cater adequate electricity to both the plants . No energy will be catered to outside electrical grid system as it is bit unmanageable to a small company.

Regards,

Ulhas Pradhan

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Commentator

Join Date: Nov 2009
Location: PA
Posts: 83
Good Answers: 1
#7
In reply to #6

Re: Captive Power Plant (CPP) Capacity

12/03/2009 3:29 PM

what is the difference between a captive power plant and a thermal power plant?

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Associate

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Posts: 50
#9
In reply to #7

Re: Captive Power Plant (CPP) Capacity

12/05/2009 6:31 AM
what is the difference between a captive power plant and a thermal power plant?
Your Message:

Dear Sir,

The difference is as under:

Captive Power Plant (CPP) is particularly designed to cope up with the in house demand and in case of surplus power , the said surplus can be injected into the electrical power grid if the system permits.

While the Thermal Power Plant is designed to generate electricity for the grid system and the entire generation from that plant gets absorbed by the grid which is controlled by Load Despatch Centre.

In fact CPP can also be a steam based turbo generator i.e. say a thermal power plant whose power generation depends upon the system load of the in house plant.

Thus CPP can be steam based , oil based or gas based turbo alternator.

Regards,

Ulhas Pradhan

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Active Contributor

Join Date: Jul 2010
Posts: 10
#17
In reply to #9

Re: Captive Power Plant (CPP) Capacity

09/04/2010 1:04 AM

Hi,

Thermal power plant is a power plant which generates power
with coal and water whereas captive power plant is the
status of power plant. Power generated by any type of fuel
such as coal,naptha,furnace oil but if 51% of the generated
power is consumed by the generator itself( captive used)
then that is a captive power plant. There are much more
requirements for a plant tobe said as Captive Power plant

but this much is suffcient to know the difference

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Participant

Join Date: Dec 2009
Location: Lahore , Pakistan
Posts: 4
#10
In reply to #7

Re: Captive Power Plant (CPP) Capacity

12/07/2009 1:48 AM

bro...

i think that you have do your Engineering again to find out this question :P

man i will sujjest that you have to get some study by book and then you have to answer the questions...

I think that you dont mind about ma words ...

Thanks

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#12
In reply to #10

Re: Captive Power Plant (CPP) Capacity

12/10/2009 1:51 AM

Dear Sir,

I always appreciate if some body brings to my notice my set backs or my limitations. As it helps me to improve myself or in this case to up date myself.

Candidly one wants solutions , if you have please give the same to the interested one.

Regards,

Ulhas Pradhan

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Power-User

Join Date: Feb 2009
Location: India
Posts: 155
#8
In reply to #6

Re: Captive Power Plant (CPP) Capacity

12/04/2009 12:36 AM

Steam pressure and temp data are required for fixing turbine capacity and cost

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Anonymous Poster
#11

Re: Captive Power Plant (CPP) Capacity

12/07/2009 2:02 AM

5T of steam may generate only about another 600-800KW.

As previous post said is it not possible to uprate youe existing plants and utilise the steam?

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Associate

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Posts: 50
#13
In reply to #11

Re: Captive Power Plant (CPP) Capacity

12/10/2009 1:58 AM

Dear Sir,

Thanks for the candid feed back to my querries.

At least the existing plant can reduce the expenditure on the electricity consumption to that extent by utilising the surplus steam to run a CPP.

Existing plants are running smoothly and uprating of the said plants have not been envisaged at this stage.

Regards,

Ulhas Pradhan

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Power-User

Join Date: Feb 2009
Location: India
Posts: 155
#14
In reply to #13

Re: Captive Power Plant (CPP) Capacity

12/13/2009 8:19 AM

uprating does not mean replacement necessarily ! By proper simple adjustment of various items such as governor valve, generator winding etc turbine can be uprated.

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Associate

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#15
In reply to #14

Re: Captive Power Plant (CPP) Capacity

12/18/2009 1:46 AM

Dear Sir,

Thanks for your candid suggestions on plant uprating.

Regards,

Ulhas Pradhan

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Anonymous Poster
#16

Re: Captive Power Plant (CPP) Capacity

02/10/2010 5:56 AM

i would like to sugest you to go for CDM benifits while implementing the CCP project. It would be an added advantage.

regards,

nayan

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