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HpSA Hydraulic Pressure Machines

In the past, water wheels were only available as overshot or undershot designs. Their main disadvantage was low intake and thus low power output.The newly developed hydraulic pressure machine retains the benefits of such water wheels and achieves the performance characteristics of a low-pressure turbine. Due to these advantages, investment costs are kept low and a sophisticated control system is not required.

HpSA hydraulic pressure machines work at low heads and flow rates. Hydro power plants that use conventional technology, such as axial, Kaplan, Francis or Pelton turbines, cannot however cover this operating range economically.

Product Types

SDM3
3 kW
Maximum performance
Flow rates
0.2 - 0.5 m³ / s
Heads
1.0 - 1.5 m
Min. Width
1.7 m
SDM10
10 kW
Maximum performance
Flow rates
0.6 - 1.1 m³ / s
Heads
1.35 - 1.9 m
Min. Width
2.1 m
SDM15
15 kW
Maximum performance
Flow rates
0.7 - 1.5 m³ / s
Heads
1.35 - 1.9 m
Min. Width
2.85 m
SDM23
23 kW
Maximum performance
Flow rates
1.3 - 2.1 m³ / s
Heads
1.35 - 1.9 m
Min. Width
3.6 m
SDM30
30 kW
Maximum performance
Flow rates
0.8 - 1.8 m³ / s
Heads
2.4 - 3.0 m
Min. Width
2.9 m

TURNKEY SOLUTIONS

Channel energy

The hydraulic pressure machines work within the following operating range:

Heads from 0.8 bis 2 m

Flow rates from 0.2 to 2.7 m³/s

Functionality

The hydraulic pressure machine mainly generates power from the head and the resultant potential energy (like a turbine). However, the kinetic energy in the water flow is also used to deliver power (like a water wheel). Power can also be produced at strongly varying water flows.

At no load, the water passes through the machine unutilized. The generator brakes the machine which dams up the channel to achieve the desired head. As soon as the required water level is reached, the machine accelerates and keeps the head constant. Varying flow rates are controlled by reducing or raising the number of revolutions.

These properties mean that a hydraulic pressure machine can not only fully replace a conventional turbine at relatively low heads and high flow rates, but moreover, even operates economically due to its cost-effective design and slim control system.

Outstanding efficiency and passability for aquatic wildlife and debris as well as particularly low investment and operating costs make the hydraulic pressure machine unrivaled both technically and economically compared with turbines and other hydro power solutions.

Furthermore, civil and mechanical engineering costs are way below the costs of turbine installations of comparable sizes.

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