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Weshine Electric To Exhibit At Middle East Energy 2026 In Dubai

Come meet the Weshine Electric team at Booth H2.E42 during Middle East Energy 2026 in Dubai, Sep 0103. View our practical high-voltage test instruments for utilities, substations and renewable energy projects.

Common Problems In Loop Resistance Tester Maintenance And Testing

Learn how to maintain a loop resistance tester and identify common field testing problems, including wiring faults, contact oxidation, electromagnetic interference, and abnormal readings. It presents Weshine GDHL‑200A/100A loop resistance tester, assisting power contractors and purchasers to obtain......

Causes Of Partial Discharge In High Voltage Switchgear

Partial discharge (PD) is a hidden high-voltage switchgear fault that causes insulation degradation, unplanned downtime and costly power system failures. Following IEC 60270 and IEC 62271 standards, this article analyzes common PD causes and professional testing specifications. It introduces the fac......

Measurement Methods Of High Voltage Generator

We lay out practical DC high‑voltage generator measurement methods for power‑equipment insulation tests. We address shielded microammeter use, zinc‑oxide arrester leakage‑current testing, surface‑leakage control and safe discharge steps for different‑capacitance equipment. Citing IEC and OSHA standa......

How Do Environmental Conditions Affect High Voltage Test Results? A Practical Guide For Accurate Electrical Testing

Test results of high voltage equipment are easily disturbed by ambient temperature, humidity, altitude and air pressure. Uncontrolled environmental changes will lead to inaccurate readings and misjudgment of equipment insulation status. Combining years of field testing experience, this article sorts......

Transformer Insulation Resistance Tester Buying Guide: How To Choose The Right Tester For Reliable Transformer Diagnostics

This guide centers on transformer insulation resistance testers, a core tool for evaluating transformer insulation aging and hidden faults. It covers working principles, key functional parameters, field operation steps and application scenarios, helping power industry technicians pick matched testin......

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