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SA Power Outage 2016

Aqua Power Generation

This page is for information only, we do not sell this equipment !

There are many types of water generators, below are just a few residential types for general knowledge.

A small 300w+ Pelton Aqua generators when set-up in a permanent water flow, will provide 7.2kW of electricity in a 24 hour period, enough for a small to medium home.

The rest of the Aqua generator information on this page is just for general knowledge, and for those that are handy they might want to build and manufacture there own design from the information shown below, it will take a lot of time to get the flow correct on a Aqua Vortex ponds, the upside is it will produce vastly more power with large volumes of running water.

NB: There's also Aqua Solar, for land that would normally be un-used.

Below are small Aqua Generators that work on smaller Volumes of Water Drainage.

Aqua Impeller Generators:

There are several types of Impeller or propeller driven generators scaled from a single or an arrays of several small home made generators (shown below), up to commercial sized power plants.  These are one of the simplest and cheapest ways to produce power 24/7 if you have a suitable water supply, the only issue is with these designs is periodical changing of the bearings and making sure the pipes diverting the water are UV stable or you must paint or buried to protect them from becoming brittle over time.

A business associates manufacture these small unique Aqua generators that can easily be self installed, by simply joining PVC plumbers pipe or better still Agg-pipe from upstream water supply.  Unless you know what you are doing you will need an electrician to cable the power into your multi input hybrid inverter to charge your battery bank.

Below link is one of the most common and simple Water Turbines built from an old Fisher & Paykel Washing Machine Motors.

The above are manufactured out of 80% recycled materials, and also use Fisher & Paykel generator.

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Technical Specifications © 2014 EcoInnovation Ltd (NZ);

  • PowerSpout LH Runner 150mm stainless steel propeller (Reaction turbine)
  • Casing LDPE plastic case 3mm thick Bearings 6005 OD47mm ID25mm
  • Static head range 3 – 16 feet (1 to 5m)
  • Maximum flow/turbine 55 l/s (880 gpm)
  • Minimum flow/turbine 25 l/s (400 gpm)
  • Rectification 100 amp air cooled rectifier
  • Dimensions Diameter 300mm x length 1050mm (12 inches x 42 inches)
  • Weight LH 23 kg (51 pounds), LH Pro 30 kg (66 pounds) packed weight.
  • Packed weight. LH Pro 30 kg (66 pounds) packed weight.
  • Warrantee 2 years extendable to 7 years, Stainless propeller has a 3 year durability warrante.

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Below are Pelton Wheel Driven Generators

Above home made stainless steel impeller box, fitted with a converted Fisher & Paykel 300watt motor/generator.

Aqua Turbine Generators: Below are simple hand built water turbine reservoirs, that use all or part of a small stream flow, larger reservoirs use part of a rivers flow that's diverted from upstream, the vortexes only require a 1mt drop and can be duplicated along the course of the river.

These flowing reservoirs are simply made from bricks, stones & cement, and you can see how the water is utilised by simply directing part of the water flow to one side, and returning it back downstream, there is basically a vertical drain pipe in the bottom of the reservoir where the water flows through and keeps the turbine operating, by simply stopping the flow of water into the side channel, you stop the power generation, be it for maintenance or purposely.

The larger the volume of diverted water, the more power you can produce by installing multiple turbines, as it is the water dropping into a single or multiple turbines that generate the power.

Aqua Vortex Generators:

The use of a "Vortex" is not new, in 1835 the force was identified and called "Coriolis", named after French engineer Gaspard Coriolis.

A vortex can boost the energy output of a body of water by tapping into the energy that comes from the spin of the earth, it is the general belief that if you introduce a vortex you decrease the kinetic energy flow, this has been proven to work in several applications.

River or Stream diverted water used in this way is an alternative to a dam turbine and has the advantage of being simpler to construct while providing a good degree of stream flow control. Suitable for incised streams with soil banks, or purpose build with basic materials of Bricks & motor for smaller operations, or can be built with structural concrete form work as shown below click here.

So, by simply digging a trench along the bank parallel to the stream, starting at the upstream end where water can enter.  The trench should follow the contour, i.e. be almost horizontal. Make the trench long enough so that when you have finished, it is around 110cm or more above the water surface in the stream below, the higher the better for flood prone areas, if you know the maximum height the stream reaches, build it a little higher, this will avoid washing your equipment away!

The excavation of this area is so that the water can enter the trench, flow along it and exit back into the stream below the Vortex flow dam.  Some modifications may be required to achieve the required flow rate. Try inclining the trench floor in a downstream direction, or lining the trench with smooth material such as a plastic tarpaulin or cement render the channel to reduce friction. Simpler than a dam, it is most suitable for small villages or isolated houses.

As the channel is way above the stream, it also avoids the worst of flooding as most of the stream flow will follow the main stream channel, whilst water run-off keeps the Vortex working 24/7, if correctly built the whole volume of water should be slowly turning in the vortex, it is the weight of this mass of water that in turn turns the propeller that directly or indirectly turns the generator via simple V belt pulleys or gearing.

Above is a small volume stream diverted water run-off Turbine with 1.1mt Low Head pressure.

River Vortex

Medium volume, small hand made river diverted vortex.

NB: The moulded underwater wing/wall, this assists the water volume to rotate.

River Vortex

Several Vortex structures can be built along a stream or river, next to each home,

as long as there is a minimum 1.1mt head pressure/drop.

River Vortex

4mt wide River diverted water run-off into Vortex dam with 1.1mt low head pressure drop,

the steel cage is to keep stop children from getting drowned.

River Vortex

Home made up-stream pipe diverted water Vortex with bottom drain hole & upper overflow pipe.

River VortexRiver VortexRiver Vortex

Large 5mt wide Up-stream diverted river Vortex with side spillway, 5kW, minimum 700cm water drop.

This installation reported generated 50'000kWh in 12 months, and cost (€50'000) $80'000.

River Vortex

The large slow turning spiral Turbine Blade used in the above 5mt diameter, river vortex generator.

Page last updated: 16 May, 2024


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