Electronics are used extensively in the control of the wind systems, and in general, the controllers contain one or more computer processing units (CPUs) and programmable logic controllers (PLCs), which can be hardwired, for wind turbine control and operation. Control systems run the gamut from simple controls for battery storage to supervisory control and data acquisition (SCADA) for entire wind farms. Electronics for power conversion and control are a major part of any wind turbine system, and solid-state inverters allow variable-frequency output to be connected to the utility grid. Induction generators on constant-rpm units may require a soft start to reduce mechanical stress and to reduce the interaction between the utility grid and the wind turbine during connection.

Renewable Energy 101

Renewable Energy 101

Renewable energy is energy that is generated from sunlight, rain, tides, geothermal heat and wind. These sources are naturally and constantly replenished, which is why they are deemed as renewable. The usage of renewable energy sources is very important when considering the sustainability of the existing energy usage of the world. While there is currently an abundance of non-renewable energy sources, such as nuclear fuels, these energy sources are depleting. In addition to being a non-renewable supply, the non-renewable energy sources release emissions into the air, which has an adverse effect on the environment.

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