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Stay updated with the latest technical guides, product announcements, and industry insights from EK Instruments.
MOA Surge Arrester Live Testing: Catching Hidden Leakage Current Before Failure
A guide to live testing MOA surge arresters and identifying hidden leakage current to prevent costly power failures.
Read ArticleCT Ratio and Polarity Testing: A One-Person Workflow for Switchgear Acceptance
Streamlining switchgear commissioning with an efficient one-person workflow for CT ratio and polarity verification.
Read ArticleString IV Curve Tracing — Diagnosing Underperforming PV Arrays
Master PV diagnostics with our guide to string IV curve tracing and troubleshooting underperforming solar arrays.
Read ArticleReactive Power Compensation: Capacitor Bank Sizing Guide
Field-data-driven capacitor bank sizing for power factor correction: kVAR calc and resonance avoidance.
Read ArticleInrush Current Measurement for Transformer Energization
Capture transformer inrush current safely: trigger setup, sample rate, and protection coordination guidance.
Read ArticleClass A vs Class S Power Quality Measurement: What IEC 61000-4-30 Requires
Choose Class A or Class S power quality measurement by the decision, evidence and declared IEC 61000-4-30 method—not by a feature list.
Read ArticleVoltage Sag Analysis: Locating Faults in Industrial Networks
Voltage sag analysis using power quality analyzers to locate faults and protect sensitive process equipment.
Read ArticleTHD vs TDD: Harmonic Limits at the Point of Common Coupling
Understand voltage THD, current THD, TDD and the point of common coupling before applying IEEE 519 limits or choosing harmonic mitigation.
Read ArticlePower Quality Logger for Long Term Energy Audits
How to use a power quality logger for long-term energy audits and EN 50160 compliance reports in industrial plants.
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