Base station wind power supply voltage is unstable

4 FAQs about Base station wind power supply voltage is unstable

How is voltage stability assessed in a wind farm?

The voltage, reactive power and active power of each bus in the system are collected for voltage stability assessment. The capacity of the wind farm is 200 MW and the power factor is set as 0.99. The power flow analysis results and voltage diatribution of the test can be demonstrated in Fig. 4, Fig. 5, respectively. Fig. 3.

Why do wind turbines cause voltage instability?

Wind turbines might not be able to provide sufficient reactive power support owing to the technology employed and the limited capacity of the grid to transmit power, leading to voltage instability. In addition, the intermittent nature of wind power and the limited fault response also contribute to voltage and system instability.

What causes voltage instability in wind-integrated power systems?

In wind-integrated power systems, one of the major reasons for voltage instability is the reduction in system inertia due to the reliance on energy conversion from wind, unlike the rotational inertia of the conventional synchronous generators. Therefore, during faults, the power grid is more susceptible to voltage and frequency fluctuations.

How does wind speed affect voltage stability?

The wind speed is the critical factor that influenced the stability assessments. As the wind speed increases 8 m/s to 15 m/s, the output active power and reactive power of the wind farm changes, which influences the voltage stability margin of the test system.