Can a 16 kW generator drive a 7.5 kW water pump and a 5.5 kW mining machine?

Introduction Can a 16 kW generator drive a 7.5 kW water pump and a 5.5 kW mining machine? Can a 16 kW generator drive a 7.5 kW water pump and 5?

Can a 16 kW generator drive a 7.5 kW water pump and a 5.5 kW mining machine?

A 16 kW generator cannot drive a 7.5 kW water pump and a 5.5 kW mining machine. If used, the total power is 13 kW and the normal current is already 26 A, which corresponds to overload operation. Using reduced voltage starting, the starting current of 7.5 kW reaches about 30 A. If the 7.5 kW is started first, the operating current is already 15 A, then the 5.5 kW is started, the starting current is again 20 A and the total current is reached. 35A.

Generators are mechanical devices that convert other forms of energy into electrical energy. They are driven by water turbines, steam turbines, diesel engines or other electrical machines to convert water flow, air flow. , combustion of fuel or atomic nuclei The energy produced by fission is converted into mechanical energy and transmitted to the generatorur, which is then converted into electrical energy. Generators are widely used in industrial and agricultural production, national defense, science and technology and daily life.

Generators come in many forms, but their operating principles are all based on the law of electromagnetic induction and the law of electromagnetic force. Therefore, the general principle of its construction is: using suitable magnetic and conductive materials to form magnetic circuits and circuits that conduct electromagnetic induction among themselves to generate electromagnetic energy and achieve the conversion goal of energy.

Efficiency and selection of the hydraulic generator

1. Generator: DC generator, alternator, synchronous generator, asynchronous generator (rarely used),

Alternator can also be divided into single-phase generatorase and three-phase generator.

2. Types of Generators:

Due to the different forms of primary energy, different generators can be manufactured.

Diesel Generator Gasoline Generator

Hydraulic generator can be made by using water conservation resources and water turbine due to different capacity of tank and from the height of the water head, capacity and speed can be created; Various hydroelectric generators.

Using coal, oil and other resources, combined with boilers and steam turbines, turbogenerators can be made. Most of these generators are high speed motors (3000 rpm).

Also, there are different types of generators that use wind energy, atomic energy, geothermal energy, tides and other energies.

In addition, due to different operating principles, the generalGenerators are divided into DC generators, asynchronous generators and synchronous generators. The large generators currently widely used are synchronous generators.

What are the minimum speed and power required for a 500 kW hydroelectric generator to produce electricity? Please give expert advice, thank you

~~~~~~~~~~P=9.8gQH

P is the output power in kilowatts;

9.8, which is the acceleration of gravity;

g is the efficiency, which can be simply taken as 0.8~0.9 for general power plants;

Q is the flow rate, unit: cubic meter/second;

< p> H is the height of water, also called drop,

P=9.8*0, 85*0.4*100=27.2KW.

It is recommended to purchase a hydroelectric generator with a production power of 30KW. Electricity production is 27 kilowatt hours per hour~~~~~~~~~~

The above formula is correct, but the answer is toodifferent

P=9.8GQH= 9.8*0.8*0.6*100=470KW. I don't know how to calculate 27.2kw per 100 meters of water height. Even a flow rate of 0.4 is not that small in terms of efficiency, small unit generators usually take 0.8, and turbines. also take 0.9. Full Take 0.8. If it is an impact type, the return is 2 points lower, so take 0.8. For mixed flow, take 0.82. For the positive solution, I choose impact 400KW or 500KW. 500 for this station. 500 degrees in one hour

1 wattage is 735 watts, 500 Kw/0.735 Kw=680. Without taking losses into account, 680 horsepower is required. Therefore, full load power should be over 680 horsepower.

The generator output frequency is directly related to the rotation speed. The required rotation speed depends on the power frequency you need.

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