When a German hospital's MRI machines failed during a 2023 grid fluctuation, administrators discovered their 15KVA UPS lacked galvanic isolation. This incident spotlights a pressing dilemma: How can mission-critical systems achieve true power immunity? The integration of isolation transformers in UPS systems isn't just an upgrade—it's becoming an operational necessity.
When was the last time you audited your BESS isolation transformer's harmonic distortion levels? Recent data from Wood Mackenzie shows 23% of battery energy storage systems (BESS) experience unexpected downtime due to transformer-related issues. The real question isn't whether you need isolation transformers, but rather how to optimize their interaction with modern power electronics.
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