What Makes Transformer Overhauls Different from Routine Repairs

A quick repair can help restore output, but it rarely shows the full picture. If the issue keeps returning (or if several faults are stacking up), your unit might be showing deeper signs of fatigue.
One failed bushing or terminal crack may trace back to stress built up across insulation, clamping, or core alignment. These are not surface-level faults, and they often require something more complete.

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Why Power Factor Correction Matters for Transformer Health

Some transformer problems look like load issues. Others look like insulation fatigue. But underneath both, the real cause may sit quietly in the background: poor power factor.
Many industrial units run well below nameplate load yet show signs of heating. The mismatch often comes from reactive power inflating the current draw.

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How Oil Leaks Start in Industrial Transformers (And Why They’re Easy to Miss)

Transformer oil doesn’t just cool. It insulates. It preserves internal paper. It signals problems.
So when oil leaks (even slowly), it changes how the unit performs and how much risk it carries. The issue is that most leaks don’t announce themselves.

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What to Check in a Transformer Before Restarting After a Plant Shutdown

Restarting a transformer after shutdown requires more than energizing the breaker. Oil condition, breather systems, connections, and protection settings must align with current load realities. These checks reduce inrush risks and hidden faults. Makpower supports safe transformer reactivation through detailed inspections and recommissioning expertise.

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What Causes a Transformer’s Efficiency to Drop Over Time

Not every efficiency drop shows up on a meter. You usually sense it first in small shifts (more load for the same output, longer cooling cycles, subtle temperature hikes).
These shifts often go unnoticed until energy costs start rising or system capacity feels tighter than before. That’s when the conversation around refurbishing or replacing the unit begins.

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