When you’re testing or debugging some mains-powered gear, plugging it directly into the outlet can often be an exciting ...

Single-phase motors, adjustable-speed drives (ASDs), and power factor (PF) correction applications often depend on capacitors to operate properly. This article explains how to test these critical ...

Solid-state ac supplies replace motor-generator and tap-changing transformers to offer the same tests at the push of a button • Solid-state ac-power sources combine the variable-frequency and ...

A 9-V battery or an optional ac wall adapter can power the Model 881 portable in-circuit equivalent-series resistance (ESR) and dc resistance (DCR) capacitor tester ...

In the past five to ten years, there has been a big shakeout in the capacitor industry with at least 15 major manufacturers ceasing production for various reasons. Product lines have also been ...