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Automatic Micro Horizontal Tubular Hydro-generating Unit

 

This kind of units is applicable to the ones with head of 5-30m, flow of 0.1-0.9m3/s and output of 10-75kw. Especially considering the lacking of technique and the difficulty in purchase of fitting and in maintenance for the remote mountainous areas, this type of units is designed and manufactured for long lifespan. And the structure is simple and reasonable, with fewer parts, and it has properties of low cavitation noise, good performance, easy and convenient operation and maintenance. The generator can be automatically controlled, and the voltage and frequency is automatically stable. And 24-hour watch is unnecessary. This kind of units is widely used and is exported to other countries. And good reputation has gained.

2.Structural Description:

The unit consists of turbine (with butterfly valve), generator and control cabinet.

Turbine: shaft-extension, horizontal turbine is adopted. For each plant, separate hydraulic design will be done to guarantee that each turbine operates under optimal working conditions and with low cavitation, high efficiency, low vibration and stable operation, thus damage due to cavitation and maintenance for parts can be reduced to a great extent, and the lifespan of unit can be greatly prolonged. Via the stay vane water flow is introduced into the runner. The turbine guide bearing is made of anti-wear material. Filtering device is designed to filter. The structure of the whole set is simple and reliable. Elastic coupling is used to connect the generator directly. And all-purpose pulley can be used to directly drive agricultural machinery.

Butterfly valve: used to control the switching of the turbine. Before the valve, diversion by steel pipe is adopted.

Generator: Using 3-phase AC synchronous generator.

Overall control cabinet: See JX-G Product Description.

Type of turbine GD - WZ - 20, 25, 30, 40

Runner Diameter: 20, 25, 30, 40cm

Rated capacity of the unit: 8, 10, 12, 15, 20, 30, 40, 50, 55, 64, 75, 90, 100kw

Rated voltage: 3-phase 400V

Frequency: 50Hz/60HZ

Rated speed: 1500rpm.

Power factor: 0.8

Variation range of frequency: 49-51/59-61

Variation range of voltage: <5%

For the selection the units, the customers only need to provide the design head (net head) of plant, flow at dry season, design flow, planned installed capacity, elevation and power utilization of the plant, and we can select the units, provide the layout of the power house equipment and provide the whole set of equipment.

In the following table, you can find out the different flows ( m 3 /s ) (interpolation method is applicable) corresponding to different heads and installed capacities.

 

  8kw 10kw 12kw 15kw 20kw 24kw 30kw 40kw 50kw 75kw
5m 0.29 0.32 0.38 0.47 0.6 0.74 1.1 - - -
6m 0.24 0.28 0.32 0.42 0.54 0.6 0.75 - - -
7m 0.18 0.22 0.27 0.33 0.43 0.52 0.62 0.84 - -
8m 0.17 0.20 0.24 0.30 0.39 0.46 0.59 0.75 0.89 -
10m 0.13 0.16 0.20 0.24 0.32 0.38 0.45 0.6 0.74
-
12m 0.11 0.13 0.16 0.19 0.25 0.32 0.36 0.48 0.6 0.88
14m 0.1 0.12 0.14 0.17 0.22 0.27 0.32 0.42 0.53 0.76
16m - 0.11 0.13 0.15 0.2 0.23 0.29 0.37 0.45 0.68
18m - - - 0.13 0.17 0.21 0.25 0.33 0.42 0.6
20m - - - 0.12 0.16 0.19 0.22 0.3 0.37 0.55
22m - - - - 0.14 0.16 0.21 0.27 0.32 0.48
25m - - - - - 0.15 0.18 0.24 0.29 0.43
28m - - - - - - 0.16 0.21 0.27 0.38
30m - - - - - - - 0.19 0.26 0.36

 

Contact:Yang Guangping Telephone: (86-833)5544996 13990613689 Fax: (0833)5544996 Email:[email protected]

Address: No. 28, 43 Hongchun Road, Emeishan, Sichuan Province. Zip Code: 614200