1.1 Transformers: The “Heart” of Power Systems
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Case study: Direct economic losses from transformer failure-induced blackouts (data-supported)
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Global grid failure statistics: 70% linked to contaminated insulating oil
1.2 The Stealthy Impact of Contaminants
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Moisture: How 0.1% water content reduces breakdown voltage by 50%
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Particles: Micro-mechanism of >5μm particles triggering partial discharge
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Oxidation products: Chemical corrosion of copper windings from rising acid values
1.3 Technological Breakthroughs in Precision Oil Purifiers
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3D vacuum dehydration vs. traditional filtration (efficiency comparison table)
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Empirical data: Molecular adsorbents removing dissolved gases
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Case study: Substation extending service life by 12 years post-purification