Blog

Onboard power supplies in industrial equipment, energy systems, automation devices, and vehicle-related electronics often depend on compact high frequency transformers. BaoHui Tech reviews these designs by looking at input range, output rails, isolation requirement, switching topology, thermal environment, EMI target, and mechanical limits. Compact Design Raises Magnetic Stress An onboard supply usually has limited space […]

Power transformer efficiency is determined by how much input energy is lost as heat in the core, windings, and mechanical structure. BaoHui Tech reviews efficiency together with voltage regulation, thermal rise, size, cost, and operating duty because the best design depends on the real load profile. Core Loss and Copper Loss Core loss is present

Custom inductors exposed to high ripple current need more than a nominal inductance value. BaoHui Tech reviews ripple waveform, DC bias, switching frequency, peak current, thermal environment, and mechanical constraints because these factors determine saturation margin, core loss, copper loss, and temperature rise. Ripple Current Changes the Loss Model An inductor carrying DC current plus

Shield windings are used in some high frequency transformer and power transformer designs to reduce capacitive coupling and common mode noise. BaoHui Tech reviews shield placement, insulation, termination, and production control because a shield only works when it is integrated with the full grounding and EMI strategy. What a Shield Winding Actually Does A shield

Long-life industrial products often use the same transformer design for years, so manufacturing change control is essential. BaoHui Tech treats material substitutions, tooling updates, winding process changes, and test-limit revisions as controlled engineering changes, not informal factory adjustments. Small Changes Can Affect Electrical Behavior A transformer may look the same mechanically while behaving differently electrically.

Engineering guide to custom transformers, inductors, and filters for renewable energy inverters, energy storage systems, EV chargers, and power conversion equipment.

Technical overview of EMI filters, common mode chokes, inductors, and transformer coordination for communication equipment and power electronics.

Guide to selecting transformers, inductors, and filters for consumer electronics power supplies, covering efficiency, size, EMI, heat, safety, and custom manufacturing.

Explore transformer manufacturing quality control for power electronics, including material review, winding process, insulation, testing, samples, and production repeatability.

Design considerations for gate drive transformers in power electronics, including isolation, pulse fidelity, leakage inductance, insulation, common-mode noise, and production testing.