1. Wind Turbine Installation:
- Wind turbines are installed at suitable locations with sufficient wind resources, considering factors such as wind speed, terrain, and environmental impact.
2. Electrical Connection:
- Each wind turbine is equipped with an electrical generator that converts the mechanical energy from the turbine's rotation into electrical energy.
- The electrical output from the generator is typically in the form of alternating current (AC) at a variable voltage and frequency.
3. Voltage Regulation:
- To ensure compatibility with the main grid, the electrical output from the wind turbine must be regulated to match the voltage and frequency standards of the grid.
- This is achieved using power electronic devices such as transformers, voltage regulators, and inverters.
4. Power Collection and Distribution:
- The regulated electrical power from individual wind turbines is collected through underground or overhead power lines.
- These power lines are connected to a central electrical substation within the wind farm.
5. Substation:
- The substation serves as a central point for monitoring, controlling, and protecting the wind farm's electrical infrastructure.
- It includes transformers to adjust voltage levels, switchgear for electrical protection, and metering equipment to measure power generation.
6. Connection to Main Grid:
- From the substation, a transmission line is constructed to connect the wind farm to the nearest electrical substation of the main power grid.
- The transmission line carries the generated wind power at a high voltage suitable for long-distance transmission.
7. Grid Integration:
- The electrical output from the wind farm is synchronized with the main grid to ensure stable and reliable operation.
- Advanced control systems and grid codes are used to manage the variability of wind power and optimize its integration into the grid.
8. Monitoring and Control:
- The wind farm and its connection to the main grid are continuously monitored and controlled remotely.
- This includes monitoring power generation, voltage, frequency, and any potential faults or disturbances.
By following these steps, wind turbines are safely and efficiently connected to the main power grid, enabling the delivery of clean and renewable wind energy to consumers.
