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  5. ESD - Model LH1000 - Low Head Stream ...

ESD - Model LH1000 - Low Head Stream Engine

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The LH1000 is specifically designed machine to operate efficiently in low-head sites. It takes advantage of the same generator as the Stream Engine, however the water turbine component uses a low head propeller design. The LH1000, is designed to operate in conjunction with battery based power systems, storing electrical power for use at times when consumption exceeds generation.

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The LH1000 is designed specifically for sites with low head and high flow. The LH will operate best at heads between 1 metre (3 feet) and 3 metres (10 feet) but requires flow of at least 1000 gallons per minute. The design to the left shows how a low head machine is set-up. The water passes through a guide vane assembly and turns the propeller which is connected to the generator. The water then exits through a draft tube that is immersed in the water source.

Technical jargon broken down to help you understand how it all works.

Head

Total Vertical drop of the water source from intake to turbine.

High Head

The vertical drop of the water source is greater than 3 meters or 10 feet

Low Head

The vertical drop of the water source is between 1 meter or 3 feet and 3 meters or 10 feet

Head Water

The Head Water is the source of the stream leading to the generator.

Tail Water

The tail water is the water that leaves the generator and is returned to the stream

There are two basic modelswhich fit two different needs. The stream engine is designed to take advantage of sites with higher head while the LH1000 is designed for sites with low head and high flow. Both models are designed for battery-based power systems, with electricity generated at a steady rate and stored in batteries for later use. When AC power is desired an inverter is used to convert the stored energy. In grid tie applications, the machines are usually used to generate high voltage DC that is compatible with grid tie inverters. Our machines can also feed the utility grid.

Our machines are designed to make use of a natural source of running water. Water from the stream is channelled into a pipeline to gain enough head (vertical drop the water falls) to power the system. The water passes through a nozzle, where it accelerates, strikes the turbine wheel and turns the generator shaft. The amount of power produced will depend on the head and flow from the water source.

  • LH1000 Propeller: $325
  • LH1000 Shaft: $200
  • LH1000 Main Frame: $400
  • LH1000 6″ Rubber Coupler: $60
  • LH1000 Guide Vane Assembly: $375
  • LH1000 Draft Tube: $180
  • LH1000 Cutlass Bearing: $60
  • LH1000 Bearing Carrier: $30
  • LH1000 Spinner: $15

Shipping Not Included. Pre-Payment Required On All Orders.

  • LH1000 with Draft Tube: $4250
  • High Voltage Option: $400
  • High Current Option: $300