Why a Solar Plant Needs Active Compensation A Static Var Generator (SVG) is an active, IGBT-based power-electronics compensator that stabilises voltage, supplies or absorbs reactive power and filters harmonic current at the point of common coupling (PCC) of a solar plant. It turns unstable PV output into grid-compliant power for EPC contractors, electrical engineers, procurement teams and power-qu...
When a PV plant reaches MW scale, inverter control stops being the same thing as grid code compliance. Compliance is judged at the point of common coupling (PCC), where the utility measures voltage and current quality — not at the inverter terminals. A plant with well-behaved inverters can still fail its connection test for that reason, and a medium-voltage STATCOM is usually the device that...
SVG sizing for power factor correction cannot be estimated from transformer capacity or a motor nameplate alone. Those figures describe how much load a site could connect, not how much reactive power the load actually exchanges with the supply at the point of common coupling (PCC). A Static Var Generator chosen from nameplate data will either leave the power factor short of target or spend on capa...
Solar Farm Power Factor Penalties: How SVG Stops Grid Fees Utility-scale and distributed solar photovoltaic (PV) plant operators worldwide face escalating monthly utility penalties for power factor (PF) non-compliance at the Point of Common Coupling (PCC). While solar farm developers engineer their systems for maximum active power generation during peak irradiance, grid codes such as IEEE 1547, IE...