Do you have a need to find faulty capacitors? High ESR can lead to problems. Back in 2002, Elektor published an article about a DIY in-circuit capacitor tester, and the Elektor Lab team designed the ...

In circuit capacitor tester Measure capacitors without removing them from a circuit. The method yields proper values even if ssignificant effects by parallel resistance is present. Estimates of ...

Many single-phase motors used on refrigeration systems will incorporate some type of capacitor. They will either use a start capacitor to aid in its starting or a run capacitor to improve its running ...

We’re big fans of surface mount parts. SMD components are cheaper, take less board space, and don’t require drilling; all the coolest new parts are only available in SMD packages. Smart Tweezers are a ...

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 ...

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 ...

Abstract: This paper studies the design of a capacitor-based 12 kV test circuit for evaluating the performance of DC Circuit Breakers (DCCB) in Medium Voltage DC (MVDC) applications. The proposed ...

Abstract: In order to mitigate the severe prospective transient recovery voltages to values they can cope with, SF 6 generator circuit-breakers are usually equipped with capacitors. If these ...