How many degrees a day can small-scale solar and wind hybrid power generate?

Introduction How many kilowatt-hours of small-scale solar and wind hybrid power generation can be generated per day? Each 1KW solar power generation system can generate an average of about 20 kilowatt-hours of electricity per day. Wind hybrid power generation can gene

How many degrees a day can small-scale solar and wind hybrid power generate?

Each 1KW solar power generation system can generate an average of about 20 kilowatt hours of electricity per day. Wind hybrid power generation can generate about 24 kilowatt hours of electricity a day.

The power of this solar power generation system is 2KW per hour, but considering that the sunshine hours in some places vary from region to region, based on ten hours, it can generate about 20 kilowatt hours of electricity a day.

Small wind hybrid generator refers to a wind turbine with a generator capacity of 0.1~1kw. 1 kilowatt hour of electricity = 1KW/h. According to this calculation, a 1KW wind turbine can generate 1*24=24KW per day. This is the theoretical value. It also depends on wind conditions, power transmission and transformation losses, etc.

1. Wind turbines

Wind turbines can be divided into DC generators and AC generators.

1. DC generator: A DC generator is mainly composed of a generator shell, a magnetic pole core, a magnetic field coil, an armature and a carbon brush (as shown in Figure 1). Working principle of power generation: When the wind drives the armature of the generator to rotate, due to the residual magnetism in the magnetic pole core of the generator, the armature coil cuts the magnetic lines of force in the magnetic field. According to the principle of electromagnetic induction, the current is generated by the magnetic induction and the current is output through the carbon brush.

2. Alternator: The alternator is mainly made of magnetic materials with multiple permanent magnets (called rotors) arranged alternately between north and south poles and an armature coil made of silicon cast iron and wound with multiple sets of series coils. (called stator). Working principle of power generation: The rotor is driven by the wind to axially cut the magnetic lines of force. The alternately arranged magnetic poles in the stator form an alternating magnetic field in the coil core. When the rotor rotates once, the direction and size of the magnetic flux change many times. Due to the transformation of the magnetic field, An induced current varying in magnitude and direction will be generated in the coil and delivered by the stator coil. ?

2. Solar power generation

Solar power generation methods There are two ways of solar power generation, one is the light-heat-electricity conversion method, and the other is the light-electricity direct conversion method. . ?

1. The light-heat-electricity conversion method uses the thermal energy generated by solar radiation to generate electricity. Generally, a solar collector converts the absorbed thermal energy into steam as a working fluid, and then drives a steam turbine to generate electricity. At present, it can only be used on a small scale in special occasions, and large-scale utilization is economically uneconomical and cannot compete with ordinary thermal power plants or nuclear power plants. ?

2. Light-to-electricity direct conversion method This method uses the photoelectric effect to directly convert solar radiation energy into electrical energy. The basic device for light-to-electricity conversion is the solar cell. Sunlight shines on the p-n junction of the semiconductor, forming new hole-electron pairs. Under the action of the electric field of the p-n junction, holes flow from the n region to the p region, and electrons flow from the p region to the n region. After the circuit is turned on, a current is formed. This is how photovoltaic effect solar cells work. Solar cells are a promising new power source with the three major advantages of permanence, cleanliness and flexibility.

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