In a water flow with a height of 200 m, the installed capacity is set at 400 kilowatts. How many hou

Introduction In a water flow with a height of 200 m, the installed capacity is set at 400 kilowatts. How many hours can a 20,000 cubic meter water tank produce electricity continuously? Traffic cannot be calculated. power

In a water flow with a height of 200 m, the installed capacity is set at 400 kilowatts. How many hou

Traffic cannot be calculated. Power P=9.8QHη

Q is the flow rate (cubic meters per second); H is the effective head (meters), eta is the efficiency (turbine efficiency × generator efficiency), and 9.8 is the acceleration. of gravity.

Such a small power plant is usually an impact turbine. Once the flow rate and effective head have been determined, a power can be estimated, then the model can be selected by consulting the table (hydraulic turbine generator). sets contain complete sets of equipment for small power plants). Therefore, you must first conduct a preliminary survey to understand the traffic flow. (The simplest method is to collect the water together and use the triangular weir method to simply estimate. The cost is low, but the accuracy is average.)

It is difficult and uneconomical to make a small generator yourselfhydroelectric generator. .

To obtain high efficiency from a small 1000W hydroelectric generator, an impact hydroelectric generator set can be selected.

The impulse hydraulic generator set is also called horizontal hydraulic generator set. Like the oblique impact hydraulic generator, it is a hydraulic generator with high water head and low flow. The required water height range is: 7-40. meters. It is suitable for use in high mountain areas. Its working principle is as follows: in the hydraulic turbine, the jet coming out of the nozzle is not in the tangential direction, but in the direction forming a certain angle with the plane of rotation of the It enters the bucket from one side of the slide, then exits through the leaf of the bucket on the other side. The main features of the impact hydroelectric generator set are:

1. Dn normal water conditions, water resources can be reasonably used to produce electricity.

2. If there is a rainy and dry period and there is no water, the diesel engine can be used to generate electricity.

For a small hydroelectric generator of about 1 kW, the market price is about 1,000 yuan. It is much cheaper and faster to buy it directly than to make your own.

For small hydroelectric generators of around 1 kW, more attention is generally given to their operational stability and reliability. It is recommended not to think too much about efficiency. After all, for a unit with a power of 1 kW, the difference between the power of 70% and 60% is 100 W. There is no need to invest more for 100 W.

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