What is the potential risk of not addressing ferro-resonance in transformer systems?

Ferro-resonance can create significant voltage fluctuations in transformer systems, leading to serious consequences if not addressed. This phenomenon occurs when the inductance and capacitance in the system create an oscillation, often resulting in extremely high voltage spikes that can exceed the transformer's rated limits.

If these voltage levels are not managed, they can lead to insulation breakdown, overheating, and ultimately, catastrophic failure of the transformer or associated electrical equipment. Components that could sustain damage include circuit breakers, switches, and even connected loads, leading to costly repairs and extended downtime. Therefore, recognizing and mitigating the risk of ferro-resonance is imperative for maintaining the reliability and longevity of transformer systems.

In contrast, the other options would imply improvements or benefits resulting from ferro-resonance, which is misleading and not representative of the actual risks involved.