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Dry Type Transformer Manufacturer Evaluation: 10 Checks on Vacuum Casting, Windings and PD Test Bays
2026-08-21
A 10-check factory audit separates cast-resin dry type suppliers from cast-iron marketing — the 10 checks cover vacuum casting, windings, and PD test bay.
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Oil Immersed Transformer Supplier Audit: A 12-Point Factory Checklist for EPC Procurement Teams
2026-08-20
A 12-point factory audit covers certifications, equipment, processes, and quality systems — skipping any of the four categories produces audit gaps that surface during load testing.
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Switchgear OEM from China: Drawing Sets, Type Tests and Branding Points Distributors Should Lock Down
2026-08-19
The three OEM lock-down items are drawing sets, type tests, and branding points — none of the three can be informal.
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12kV vs 24kV vs 40.5kV Switchgear: A Voltage-Class Selection Guide with BIL and Clearance Benchmarks
2026-08-18
A 12kV panel and a 24kV panel look almost identical from the aisle, but the BIL numbers, clearance gaps, and creepage distances under the cover tell the real story.
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