1. What is a Wind Turbine Capacity Factor Calculator?

Definition: This calculator determines the capacity factor of a wind turbine, which measures its actual energy output compared to its maximum possible output.

Purpose: It helps energy professionals and enthusiasts evaluate turbine performance and efficiency over a specific period.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( CF \) — Capacity factor (dimensionless ratio)
• \( E_{actual} \) — Actual energy output (kWh)
• \( P \) — Rated power (kW)
• \( H \) — Total hours in period (h)

Explanation: The actual energy produced is divided by the maximum possible energy the turbine could produce if operating at full capacity continuously.

3. Importance of Capacity Factor Calculation

Details: Capacity factor indicates how effectively a turbine converts wind resources into electricity. Higher factors mean better utilization of the turbine's capacity.

4. Using the Calculator

Tips: Enter the actual energy produced in kWh, the turbine's rated power in kW, and the total hours in the evaluation period. All values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: What is a good capacity factor for wind turbines?
A: Typical onshore wind turbines achieve 25-40% capacity factors, while offshore turbines often reach 40-50%.

Q2: Why is capacity factor important?
A: It helps compare turbine performance across different locations and sizes, and evaluates economic viability.

Q3: How does capacity factor relate to efficiency?
A: While related, capacity factor measures utilization of rated capacity, not conversion efficiency of wind to electricity.

Q4: Can capacity factor exceed 100%?
A: No, since it's actual output divided by maximum possible output, it cannot exceed 1 (100%).

Q5: What factors affect capacity factor?
A: Wind resource quality, turbine technology, maintenance, and downtime all impact capacity factor.