by Dominique | Aug 5, 2019 | Conducted Immunity Testing
Is my CDN compliant to the latest IEC 61000-4-5 requirement? The latest amendment of IEC 61000-4-5 (2017) raises issues related to the use of surge CDNs for high current and DC applications. In fact there are two separate issues that need to be considered. Issue 1:...
by Dominique | Apr 30, 2019 | Cable Fault Location
Faults in cables can arise due to any defect, inconsistency, weakness, or non-homogeneity that affects the performance of the cable. Typically, faults are classified as: Low Resistive (short circuit): Damaged insulation leads to a low resistive connection, or short...
by Dominique | Apr 12, 2019 | Cable Testing and Diagnostics, Partial Discharge Testing
Partial discharge (PD) is evidence of a degrading insulation system, which could lead to very costly repairs and can predictively lead to an electrical breakdown of high-voltage apparatus. The phenomenon is of great practical interest in the electric power industry,...
by Dominique | Mar 20, 2019 | Instrument Transformer Testing, Transformer Testing
Instrument transformers are electrical devices that isolate and transform currents or voltages from higher magnitudes to lower magnitudes to provide safety of an end user and to protect a measuring device being used, such as a current or voltage measuring bridge,...
by Dominique | Jan 9, 2019 | HVT News, Insulation Testing
There is quite an array of solid insulation materials in the form of tape-bands, pressboards, films, laminates, etc. that can be used in a variety of equipment as electrical insulation. Some of these include generators for the generation of electricity or rotary...
