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Renewable energy electric power generation technologies engineering and application

The basic principles and implementation methods of renewable energy engineering using various renewable energy technologies for electric power generation are described

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Renewable energy electric power generation technologies engineering and application

The basic principles and implementation methods of renewable energy engineering using various renewable energy technologies for electric power generation are described

  • Home
Renewable energy electric power generation technologies engineering and application

The basic principles and implementation methods of renewable energy engineering using various renewable energy technologies for electric power generation are described

Solar resource distribution and application

Solar resource distribution and application

  • admin
  • July 19, 2022
  • Solar Although the energy radiated by the sun to the earth’s atmosphere is only 1/2.2 billion of its total radiant energy (about 3.75 X 1026W), it has reached 173,000TW, which is equivalent to the energy released by the complete combustion of 5 million tons of coal. Figure 1 shows the energy flow diagram on Earth. […]

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    Sun and solar radiation

    Sun and solar radiation

  • admin
  • April 25, 2022
  • The sun is the closest star to Earth, and it’s a fiery sphere of gas. Its diameter is about 1.4×106km, its mass is about 1.99×1030kg, and its average density is 1.4×103kg/m³. The main components are gaseous hydrogen and helium, of which hydrogen accounts for about 80%, helium accounts for about 19%, and other elements account […]

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    Future prospects for wind power

    Future prospects for wind power

  • admin
  • April 13, 2022
  • In the past 20 years, the global wind electric power generation has maintained a steady growth momentum. Figure 1 shows the statistics of the cumulative installed capacity of wind power in the world from 1997 to 2014. As shown in Figure 2, it is a statistical graph of the newly installed wind power generation capacity in […]

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    Problems encountered in the application of wind power engineering

    Problems encountered in the application of wind power engineering

  • admin
  • March 17, 2022
  • As far as the current development situation is concerned, the main problems in the application of wind power engineering are as follows: (1) The regional and seasonal nature of wind power is very strong. Not all wind farms can be built in all places, but wind energy-rich areas with high wind speeds and long durations are […]

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    The impact of wind farms on the environment

    The impact of wind farms on the environment

  • admin
  • March 8, 2022
  • The development of wind energy has both positive and negative impacts on the environment. During the operation of wind electric power generation, it does not consume any fossil fuels, does not emit any harmful gases, and does not consume water resources, thereby reducing the emission of inhalable particulate matter such as soot and CO2, SO2, […]

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    Site selection and construction of wind farms

    Site selection and construction of wind farms

  • admin
  • February 25, 2022
  • The primary problem in building a wind farm is site selection. The site selection requirements for wind farms are very strict. Usually, the following points need to be considered: (1) Choose a place with abundant wind resources, the annual average wind speed is above 6m/s, and the wind direction is stable, and measure data such as […]

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    Concept and development of wind farms

    Concept and development of wind farms

  • admin
  • February 17, 2022
  • The concept of wind farms was proposed in the United States in the 1970s and quickly spread around the world. Today, wind farms have become one of the effective ways to utilize wind energy on a large scale. Due to the low density of wind energy, it is not easy for a single wind turbine […]

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    Low voltage ride through technology for doubly-fed asynchronous wind turbines

    Low voltage ride through technology for doubly-fed asynchronous wind turbines

  • admin
  • February 10, 2022
  • In a doubly-fed asynchronous wind turbine, transient rotor overcurrent and overvoltage caused by voltage sag will damage power electronic devices, and the attenuation of electromagnetic torque will also lead to an increase in rotational speed. As shown in Figure 1, it is the structure of a doubly-fed asynchronous wind turbine with a rotor Crowbar(the Crowbar switch […]

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    Low voltage ride through technology of permanent magnet synchronous wind turbine

    Low voltage ride through technology of permanent magnet synchronous wind turbine

  • admin
  • January 22, 2022
  • The concept of low voltage ride through and related specifications The so-called low voltage ride-through (LVRT) specifically refers to the voltage drop at the grid connection point of the wind farm due to grid failure or disturbance, within a certain range of voltage drop, wind turbines can be connected to the grid uninterruptedly and provide a […]

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    Influence of low voltage on wind turbines

    Influence of low voltage on wind turbines

  • admin
  • January 17, 2022
  • Practice has proved that a sudden drop in the voltage of the grid connection point will reduce the output power of the wind turbine, which in turn will cause an imbalance between the input power and the output power, resulting in adverse effects. For different types of wind turbines, the ability to resist low voltage […]

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    • Solar resource distribution and application
    • Sun and solar radiation
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    • Problems encountered in the application of wind power engineering
    • The impact of wind farms on the environment

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    Acid rain Advantages of offshore wind farms Bottleneck restricting the increase in system capacity Classification of electrical equipment for wind farms Comprehensive performance evaluation of wind turbines Conditions for direct grid-connected asynchronous wind turbines Designed Wind speed Determinants of the best tip speed ratio Efficient way to harness wind energy at scale Factors that determine the torque experienced by a wind turbine Features of brushless doubly-fed generator Four working states of wind turbine General composition of wind power generation system Generator rotor Grid-connected asynchronous wind turbine system Grid-connected synchronous wind turbine system Interference from wind turbines Internal reaction of the sun Low voltage ride through of wind turbines low voltage ride through technology Main features of early fixed pitch wind turbines Main function of the yaw system Main goal of the wind turbine control system Multi-objective optimal control Primary issue in building wind farms Realization of sustainable development of wind power Relationship between air pressure and flow rate Selection of resistance value in Crowbar Source of wind turbine noise Stall phenomenon Stator winding Structure of the sun's atmosphere The most common type of wind turbine The most prominent advantages of vertical axis wind turbines The most promising emerging energy industry Three intervals of ideal power curve Three ways to start wind turbines Traditional wind generator Two main types of airfoil Type of pitch system Various models of horizontal axis wind turbines Ways to solve the problem of wind power grid integration Wind energy capture efficiency Working principle of wind turbines Yaw control system composition

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