Stefan

See how transformer manufacturers qualify crimped winding connections through material control, crimp geometry, pull testing, resistance, thermal cycling, and process monitoring.

Learn how to design an auxiliary high frequency transformer for totem-pole PFC gate drivers, controllers, relays, and housekeeping rails across startup and fault modes.

Understand power transformer bushing voltage class, current, insulation medium, creepage, capacitance, partial discharge, thermal limits, and field inspection.

Learn how current-probe bandwidth, droop, saturation, insertion inductance, loop area, deskew, and operating mode affect power inductor ripple measurements.

Understand X and Y safety capacitor classes, voltage derating, surge duty, humidity, temperature, leakage current, capacitance tolerance, and filter resonance.

See how transformer manufacturers validate laser stripping of magnet wire using wavelength, focus, energy, residue checks, conductor damage limits, resistance, and pull tests.

Compare litz wire termination methods for high frequency transformers, including soldering, crimping, welding, strand preparation, resistance, wicking, and qualification.

Understand tap changer contact wear, transition resistance, arcing, oil condition, motor drive, timing, diagnostics, and maintenance for power transformers.

Learn the difference between incremental and large-signal inductance, how DC bias and ripple change measurements, and which value matters for converter design.

Learn how chassis bonding, Y capacitors, common-mode chokes, cable placement, parasitic capacitance, and PCB layout determine real EMI filter performance.