SUNECO HYDRO TURBINES-Micro Hydro Turbine Single nozzle XJ30-10DCT4-Z

SUNECO HYDRO TURBINES-Micro Hydro Turbine Single nozzle XJ30-10DCT4-Z

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SUNECO HYDRO TURBINES
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About Micro Hydro Power

Micro-hydro schemes extract energy from water flowing downhill, without the need for large dams. A range of turbines can be used, depending on the rate of flow and the head available (i.e. the height the water is falling). In addition to the turbine, civil works are required to divert water from a stream into the turbine, and return it to the stream afterwards.

The power from the turbine is delivered through a rotating shaft, which can be used to drive machinery directly, or can drive a generator to produce electricity. Micro-hydro schemes are often in off-grid areas, so any electricity produced is often used in a ‘mini grid’ for a village or town, selling power to households and businesses. The income is used to pay for operation and maintenance of the scheme, and sometimes to pay back a loan used to fund the construction.

Micro-hydro is cheap to operate, but capital-intensive to install, so a subsidy is often required, unless loans are available of favorable terms.

Micro-hydro brings environmental benefits through avoiding the use of fossil fuels and by not using large dams, with their associated flooding of land. For an off-grid community, the benefits of a reliable electricity supply are significant, including refrigeration, communications, lighting, computers and the ability to run machinery. In many cases the availability of electricity allows new profitable businesses to be started, helping to pay for the micro-hydro scheme.

Micro-hydro schemes are popular in mountainous areas, with the Himalayas and Andes having large numbers of schemes, although they are also present in hilly areas in many countries. Micro-hydro schemes are also present in developed countries, where they are usually grid connected.

Technology background

  • When water flows from a higher to a lower point, potential energy is released. Micro-hydro schemes were developed to extract this energy in the form of mechanical power. The amount of power available depends on the volume of water flowing and the height (head) from which it drops. Micro-hydro technology can only be used in wet mountainous areas, as it depends on adapting existing streams rather than making large dams to manage water flow. A micro-hydro scheme consists of a turbine, civil works and optional equipment for generating electricity.
    Turbines
  • Turbine design varies depending on the head and flow of the available water:
  • Pelton turbines consist of a set of small buckets arranged around a wheel onto which one or more jets of water are directed. These turbines work well with a high head and do not require a large flow.
  • Francis turbines have a spiral casing that directs the water flow through vanes on a rotor and is used with lower heads and higher flows.
  • Cross-flow or Banki turbines are made as a series of curved blades fixed between the perimeters of two disks to make a cylinder. The water flows in at one side of the cylinder and out of the other, driving the blades around. They are used at even lower heads and larger flows, and are much easier to make than most other designs.
  • Propeller turbines are used for very low heads and large flows. The blades can be fixed, similar to a boat propeller, or a more complex version, the Kaplan turbine, has blades that can be adjusted in pitch relative to the flow.
  • River current turbines can be used with a large flow in a river. They are similar to a wind turbine, but immersed in flowing water rather than air.

Benefits

The output from a micro-hydro system is shaft power. This is often harnessed to drive a generator for electricity, but it can also be used to drive machinery directly. Many successful micro-hydro programmes have used shaft power to run food processing equipment, such as grain mills, rice hullers and oil expellers. Most people see the main benefit of electricity as providing lighting, but this is only required in the evening, about four hours a day, while the power is available over 24 hours. Programmes that encourage the use of electricity to run small industries are much more likely to be successful. The main environmental benefit of micro-hydro is the replacement of fossil fuels, such as diesel for driving machinery and generating electricity, or kerosene for lighting. There are positive benefits for remote communities using micro-hydro electric systems, such as refrigeration for health clinics, computers and radio for schools, internet access and mobile phone charging. Young people are drawn back to their rural communities, as they can use their education to run small businesses powered by electricity. A major attraction is the availability of entertainment, such as TV and videos.
Environmental impact of hydro power

Globally, hydro-power is the largest source of renewable electricity, providing about 16% of the world’s electricity (global supply was 3,040 TWh in 2006), but most of this is from large-scale systems. In 1995, the total micro-hydro capacity in the world was estimated at 28 GW, supplying about 115 TWh of electricity. About 40% of the micro-hydro capacity was in developing countries. There are concerns about the environmental impact of large-scale hydro, because it requires large areas to be flooded to provide reservoirs, and can have serious impact on water management. Carefully-designed micro-hydro systems take a limited amount of water from a river or stream, have a small storage volume, and return the water a short distance down stream, and thus have very little environmental impact. Large numbers of small hydro systems have much less environmental impact than a single large hydro scheme supplying the same energy output.

10kw Hydro Turbine

Model No: XJ30-10DCT4-Z
Output/Power: 10000 watt
Rated Head: 30 – 38 Meters
Rated Flow: 40 – 50 (l/s)

 


NO. Name Picture Quantity G.S.
1 Micro-hydro Turbine Generator unit Micro-hydro Turbine Generator unit 1 Set
2 Butterfly Valve Butterfly Valve 1 Set
3 Reducer Pipe Reducer Pipe 1 Set
4 Expansion Bend Expansion Bend 1 Set
5 Load for Constant Voltage Regulator Load for Constant Voltage Regulator 1 Set
6 Asbestos Pad Asbestos Pad 2 Set
7 Foot Screw Foot Screw 4 Set
8 Butterfly Valve Screw Butterfly Valve Screw 8 Set
9 Expansion Bend Screw Expansion Bend Screw 8 Set
10 Grease lubricant Grease lubricant 1 Set
11 Certification Certification 1 Copy
12 English Version User Guide 1 Copy
13 Installation Dimension Chart   1 Copy

 

Main Parameters of 10kw Hydro Turbine
No. Items Parameters Remarks
1 Model XJ30-10DCT4-Z Single  Nozzle

Turgo Turbine

2 Rated Head 30–38 (meters)
3 Rated Flow 40–50 (l/s)
4 Output 10000 (W)
5 Efficiency 70 (%)
6 Pipe Diameter 200-250 (mm)
Generator
No. Items Parameters Remarks
1 Model SF10.0-4  Permanent Magnet Generator
2 Style PMG
3 Output 10000 (W)
4 Voltage 230 or 110 (V)
5 Current 43.47 (A)
6 Frequency 50 or 60 (HZ)
7 Rotary Speed 1500 (RPM)
8 Phase Single (Phase)
9 Power Factor 1.0
10 Altitude ≤3000 (meters)
11 Insulation Grade B / B
12 Protection Grade IP44
13 Temperature -25~+50
14 Relative Humidity ≤90 %
Control Box / Control Panel
No. Items Parameters Remarks
1 Model WY10-1  
2 Safety Protection Short circuit Protection
3 Insulation Protection
4 Over Load Protection
5 Grounding Fault Protection
Packing
No. Items Parameters Remarks
1 Packing Material Fiberboard  
2 Packing Size 85×65×85 (CM)
4 Gross Weight 269 (KGS)

 

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