Knowledge
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30
Jun
Is your surge arrester failing from internal moisture or surface pollution?Lightning and surge arresters can fail either from internal moisture (broken sea
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30
Jun
Is 3rd harmonic leakage current the key to predicting thermal runaway in MOA arresters?Monitoring the 3rd harmonic component of MOA leakage current is one of the most
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30
Jun
Tan Delta Test Kit / Power Factor Tester: How To Improve Transformer Insulation Diagnostics (June 20A practical guide to Tan Delta Test Kit / Power Factor Tester selection and use,
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30
Jun
DC High Voltage Generator: Safer, Smarter DC Hipot Testing for Modern Grids (June 2026)A DC high voltage generator is essential for DC hipot and leakage tests on cable
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30
Jun
How can you safely connect test leads to a 110kV arrester?To safely connect test leads to the top of a 110kV arrester, work from a detaile
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30
Jun
How do you understand arrester nameplate ratings and test them?Lightning arrester nameplates look complex, but once you decode Uc, Ur and disch
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30
Jun
Why is 1 mA Used Worldwide as the Standard Arrester Reference Voltage Test PointIn surge arrester testing, 1 mA DC (or equivalent AC resistive current) is widel
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30
Jun
Dielectric Withstand Test Equipment: How To Raise Safety And Efficiency In 2026Dielectric withstand test equipment is critical to verify insulation safety and
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30
Jun
Online PD Monitoring System: Turning Invisible Cable Faults Into Actionable Insights (June 2026)Online PD Monitoring System helps utilities detect insulation defects in real ti
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30
Jun
How do pollution level classes and creepage distance affect arrester testing in coastal or desert grIn coastal, desert, and heavy industrial grids, pollution level classes directly
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30
Jun
How often should you verify your lightning protection?A legally compliant lightning protection verification schedule combines annual v
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30
Jun
Why is thermal imaging with leakage current testing the ultimate diagnostic?Combining thermal imaging with leakage current testing delivers faster fault loc
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30
Jun
Why does a $1,000 arrester test prevent a $1,000,000 transformer disaster?A routine $1,000 lightning arrester test can identify degraded MOV blocks and po
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30
Jun
Capacitance and Dissipation Factor Tester Buying Guide for Power Utilities (June 2026)Capacitance and Dissipation Factor Tester buying guide for power utilities and i
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30
Jun
VLF Tan Delta Tester for Medium‑Voltage Cable Diagnostics (June 2026)VLF Tan Delta Tester guide for cable diagnostics: how very low frequency tan del
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