Clear answer
Clear answer, explained.
However, in facilities with large motor loads, variable frequency drives, or existing correction equipment, adding a large solar system can change overall electrical characteristics. Utilities may require verification that power factor remains within acceptable limits, and control settings or capacitor banks may need adjustment.
Key points
What this means in practice.
- Solar inverters operate close to unity power factor
- Existing capacitor banks usually remain adequate
- Large systems may alter overall site power factor profile
- Utility interconnection studies may include power factor review
- Inverter settings can be adjusted for reactive power support
- Compliance with utility power factor limits is required
When this applies
Best-fit environments.
- Industrial facilities with large motor or process loads
- Sites with existing power factor correction equipment
- Large rooftop solar installations subject to utility studies
- Projects requiring grid code and interconnection compliance
Q·01
