Small, medium and large hydropower generation problems

Introduction The problem of small, medium and large hydropower generation is too big. It is better to add detailed information or investment status of the project. A power plant with a total installed capacity of more than 250,000 kilowatts is called a large power pla

Small, medium and large hydropower generation problems

This question is too broad. It is better to add specific information or the investment status of the project.

A power plant with a total installed capacity of more than 250,000 kilowatts is called a large hydroelectric plant; a power plant with a total installed capacity of 25,000 to 250,000 kilowatts is called a medium-sized hydroelectric plant; A power plant with a total installed capacity of less than 25,000 kilowatts is called a medium-sized hydroelectric power plant. Small power plants, those between 0,500 and 250,000 kilowatts are called Type I small plants, and those less than 0.05 million kilowatts are called Type II small plants. The size of each unit is fully selected based on nominal head, flow rate, water inlet and other conditions. A reasonable and economical model is generally selected for power plants.small and medium-sized electric s. The total number of units is selected in several units. .

The current cost of a hydropower plant is about 12,000-16,000 yuan/KW. You can make your own estimate based on location. As for the amount to invest, it depends on the guarantee rate of water quantity and water height, etc. for profit analysis. You can roughly estimate the investment based on: designed installed capacity = water height

Average electricity production is calculated based on the water supply guarantee rate and the size of the investment unit. The design unit will publish an analysis of economic and technical indicators.

Pure, non-professional physical calculation.

Based on 2.5 kilowatts of cabinet air conditioner:

mgh=2500

mg=2500/50=50kg/s

< p>Also In other words, if all the gravitational potential energyit water is converted into 220 volts of electrical energy, the flow rate must be 50 liters/second.

In fact, the efficiency of this type of micro-hydraulic power generation unit may not reach 40%, and the undervoltage operation of the air conditioner can easily burn the compressor, the input power must therefore have a margin, then:

The required flow rate is at least (50/0.4)/0.8=156 liters/second

The above only provides ideas, the data cannot be used! This can be tried as a hobby and makes little business sense.

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