Blog

Practical transformer shielding techniques for reducing common-mode noise, including electrostatic shields, winding layout, grounding, insulation, capacitance, and EMI filter coordination.

Design factors for high current inductors in industrial power supplies, including saturation, ripple current, DCR, core material, temperature rise, acoustic noise, and production testing.

A practical guide to power transformer inrush current, including core remanence, switching point, load conditions, protection nuisance trips, and mitigation methods.

How material selection affects custom transformer manufacturing, including core material, bobbin, wire, tape, varnish, sleeving, potting, thermal rating, and quality control.

Design considerations for auxiliary power supply transformers in industrial equipment, including isolation, standby load, thermal rise, EMI, safety, and production validation.

A practical explanation of winding capacitance in high frequency transformers, including EMI, common-mode noise, insulation tradeoffs, winding layout, shielding, and testing.

Design and selection considerations for three-phase transformers in industrial control panels, including voltage, load balance, insulation, thermal rise, mounting, noise, and testing.

Design considerations for transformers in wide input voltage power supplies, including turns ratio, duty cycle, saturation margin, insulation, thermal rise, and startup behavior.

How transformer manufacturers control batch consistency through drawings, BOM control, winding instructions, material approval, production testing, inspection, and change control.

LLC resonant converters rely on the high frequency transformer as both an isolation device and a key part of the resonant power stage. For BaoHui Tech, this type of project usually starts with the converter operating window, not only with a target wattage. Input voltage range, output voltage, resonant tank design, switching frequency, cooling method,