Hydro Turbine ED 1500 Watts vs. Turgo PowerPal

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jamTarga
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Hydro Turbine ED 1500 Watts vs. Turgo PowerPal




by jamTarga » 26/08/10, 12:20

Hello,

New to the site, I am about to revive a hydraulic installation in the Alps.

Formerly equipped to run a hydraulic saw, the waterfall (potential of about 3 kw, but 1,5 kw would be more than enough for my consumption) would be used to generate electricity for a workshop.

I hesitate between a 1500 W Pelton hydro turbine and a Turgo Powerpal T1 or T2.

Who would have feedback on these two products (performance, reliability, commissioning etc ...) in order to help me in my choice?

Thank you in advance.

cordially

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bernardd
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by bernardd » 26/08/10, 13:14

Hello and welcome.

Unfortunately, I have no direct experience with these materials.

On the other hand, I am sure that great progress has been made recently with the permanent magnets, and the corresponding generators.

On the other hand, I am very interested in your context, and I would like to know more:

do you have links to the materials you want?

do you have a technical description of your hydraulic installation? flow, height, pressure, .. what is sizing?

have you encountered administrative problems? water side and electricity side?

do you have orders of magnitude for price and production?

Is the water storable, or is it lost if you don't turbinate it?

As you can see, I'm curious :-)
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by Alain G » 26/08/10, 13:15

jamTarga

Welcome to econology!

A little more info would help us such as the fall height and the flow.

Photos from the site would be welcome!
:D
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turbines




by tromeur » 26/08/10, 13:19

Hello
I use a 1.5kw Chinese turbine purchased from soft energy
(much cheaper than powerpal). Around 2000 euros.
Of course check Ht and flow
Good turbination and more info if necessary.
MT
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jamTarga
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by jamTarga » 26/08/10, 14:02

Thank you, and well done, it's super responsive here!

The current drop height (on existing equipment - a 90 cm diameter pelton supplied by a 380 mm diameter conduit, all unused for more than 50 years) is 13 meters (with easily one meter, 1,5, XNUMX m more, by moving the position of the new turbine).

The minimum flow, in low water and on a provisional intake that is very leaky, measured this summer, is 12,5 liters per second. What should not correspond to the tenth of what the fall produces, and that an average of thirty liters, over the water, should be without any problem reached.

The mill is on Cassini plans and my water right is specified on the notarial deed.

Everything is therefore brought together to remake the existing system identically (well almost, since it would be a question of restoring the duct - with a new tube with a smaller diameter - and placing a compact turbine at the end.).

It remains therefore not to be mistaken on the micro turbine.

Hence the great value of your testimonies.

Thank you again for all that you can deliver to me on both types of turbines or on any other system.

I post photos as soon as possible.

cordially

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For Tromeur, I send you a MP.
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bernardd
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by bernardd » 26/08/10, 14:33

Thanks for the details.

From the names given, I saw the following links:

energiedouce.com/hydro-turbine.html

avenir-energies.com/hydrau.html

powerpal.com/t1andt2.html

It seems that we are around 1 € / Wp for the equipment.

Do you have a catchment reservoir that allows you to conserve water if you don't need power?

Are you going to resell electricity to your electrical distributor? I don't say EDF because there are quite a few local boards in the Alps.
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by Christophe » 26/08/10, 14:57

Well I think that if there is a potential of 3kW you have to make 3kW with resale (compulsory) to EDF ... even if it is 10 times less interesting than the PV ...

In a few years you will be happy to have a surplus of energy and income ...

+1 for photos ...
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jamTarga
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by jamTarga » 26/08/10, 15:11

Thank you Bernardd,

Thanks for the links.

No, I do not intend to store water, the site, a waterfall at 1400 m above sea level does not lend itself to it.

The flow rate is in any case sufficient to turn the type of turbine necessary for the envisaged consumption.

The low production envisaged, and the absence of connection with the network, make me give up any idea of ​​resale ...

Voili, here ...

cordially


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jamTarga
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by jamTarga » 26/08/10, 15:14

For Christophe,

No, no resale, the distance from the network is too important to consider an economically viable connection.

In addition, the equipment to produce 3 kW is significantly more expensive than that to produce 1,5 ...

cordially
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bernardd
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by bernardd » 26/08/10, 16:33

Okay, the context is clearer.

What were the characteristics of the turbine that you already have, in power and speed?

Because not sure that the progress on the turbines themselves has been so great. It would be possible to adapt a recent generator with permanent magnets, which produces an alternating current at variable frequency.

Transported thus to the useful building, with behind a rectifier and an electronic inverter, quite efficient at this low power, it might be a cheaper solution?

Should we just change the turbine bearings?

An example of a recent, efficient and not very expensive wind generator:
http://www.missouriwindandsolar.com/Sup ... 2_PMA.html

Their disadvantage is the need for a fairly high speed, but maybe it can be done on the turbine?

There are also these racing beasts:
http://www.alxion.com/bin/alternateur_kit_stk.html

Otherwise I just saw this Canadian site:
http://www.micro-energies.qc.ca/micro_t ... dex_1.html

It seems important to have a sufficient penstock diameter to limit pressure losses: why do you want to reduce the diameter?

For another reflection, I found these tubes that may interest you:
http://www.infra-tech.be/rubrique.php3?id_rubrique=22

If you take the right length, no welding so no flaws for a long time.

I do not know if it is more interesting to have 2 small turbines in parallel or a bigger one? 2 small turbines, this can allow redundancy, and also a progressive investment?

It's an interesting subject: but it must be even more beautiful to see :-)
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